diff options
697 files changed, 12813 insertions, 8418 deletions
@@ -2808,8 +2808,7 @@ S: Ottawa, Ontario S: Canada K2P 0X8 N: Mikael Pettersson -E: mikpe@it.uu.se -W: http://user.it.uu.se/~mikpe/linux/ +E: mikpelinux@gmail.com D: Miscellaneous fixes N: Reed H. Petty diff --git a/Documentation/arm/Marvell/README b/Documentation/arm/Marvell/README index 8f08a86e03b..da0151db996 100644 --- a/Documentation/arm/Marvell/README +++ b/Documentation/arm/Marvell/README @@ -88,6 +88,7 @@ EBU Armada family MV78230 MV78260 MV78460 + NOTE: not to be confused with the non-SMP 78xx0 SoCs Product Brief: http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf No public datasheet available. diff --git a/Documentation/arm/sunxi/README b/Documentation/arm/sunxi/README index e3f93fb9224..7945238453e 100644 --- a/Documentation/arm/sunxi/README +++ b/Documentation/arm/sunxi/README @@ -10,6 +10,10 @@ SunXi family Linux kernel mach directory: arch/arm/mach-sunxi Flavors: + * ARM926 based SoCs + - Allwinner F20 (sun3i) + + Not Supported + * ARM Cortex-A8 based SoCs - Allwinner A10 (sun4i) + Datasheet @@ -25,4 +29,24 @@ SunXi family + Datasheet http://dl.linux-sunxi.org/A13/A13%20Datasheet%20-%20v1.12%20%282012-03-29%29.pdf + User Manual - http://dl.linux-sunxi.org/A13/A13%20User%20Manual%20-%20v1.2%20%282013-08-08%29.pdf + http://dl.linux-sunxi.org/A13/A13%20User%20Manual%20-%20v1.2%20%282013-01-08%29.pdf + + * Dual ARM Cortex-A7 based SoCs + - Allwinner A20 (sun7i) + + User Manual + http://dl.linux-sunxi.org/A20/A20%20User%20Manual%202013-03-22.pdf + + - Allwinner A23 + + Not Supported + + * Quad ARM Cortex-A7 based SoCs + - Allwinner A31 (sun6i) + + Datasheet + http://dl.linux-sunxi.org/A31/A31%20Datasheet%20-%20v1.00%20(2012-12-24).pdf + + - Allwinner A31s (sun6i) + + Not Supported + + * Quad ARM Cortex-A15, Quad ARM Cortex-A7 based SoCs + - Allwinner A80 + + Not Supported
\ No newline at end of file diff --git a/Documentation/block/00-INDEX b/Documentation/block/00-INDEX index d18ecd827c4..929d9904f74 100644 --- a/Documentation/block/00-INDEX +++ b/Documentation/block/00-INDEX @@ -6,6 +6,8 @@ capability.txt - Generic Block Device Capability (/sys/block/<device>/capability) cfq-iosched.txt - CFQ IO scheduler tunables +cmdline-partition.txt + - how to specify block device partitions on kernel command line data-integrity.txt - Block data integrity deadline-iosched.txt diff --git a/Documentation/block/cmdline-partition.txt b/Documentation/block/cmdline-partition.txt index 2bbf4cc40c3..525b9f6d7fb 100644 --- a/Documentation/block/cmdline-partition.txt +++ b/Documentation/block/cmdline-partition.txt @@ -1,9 +1,9 @@ -Embedded device command line partition +Embedded device command line partition parsing ===================================================================== -Read block device partition table from command line. -The partition used for fixed block device (eMMC) embedded device. -It is no MBR, save storage space. Bootloader can be easily accessed +Support for reading the block device partition table from the command line. +It is typically used for fixed block (eMMC) embedded devices. +It has no MBR, so saves storage space. Bootloader can be easily accessed by absolute address of data on the block device. Users can easily change the partition. diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards index db5858e32d3..5fac246a953 100644 --- a/Documentation/devicetree/bindings/arm/arm-boards +++ b/Documentation/devicetree/bindings/arm/arm-boards @@ -9,9 +9,53 @@ Required properties (in root node): FPGA type interrupt controllers, see the versatile-fpga-irq binding doc. -In the root node the Integrator/CP must have a /cpcon node pointing -to the CP control registers, and the Integrator/AP must have a -/syscon node pointing to the Integrator/AP system controller. +Required nodes: + +- core-module: the root node to the Integrator platforms must have + a core-module with regs and the compatible string + "arm,core-module-integrator" + + Required properties for the core module: + - regs: the location and size of the core module registers, one + range of 0x200 bytes. + +- syscon: the root node of the Integrator platforms must have a + system controller node pointong to the control registers, + with the compatible string + "arm,integrator-ap-syscon" + "arm,integrator-cp-syscon" + respectively. + + Required properties for the system controller: + - regs: the location and size of the system controller registers, + one range of 0x100 bytes. + + Required properties for the AP system controller: + - interrupts: the AP syscon node must include the logical module + interrupts, stated in order of module instance <module 0>, + <module 1>, <module 2> ... for the CP system controller this + is not required not of any use. + +/dts-v1/; +/include/ "integrator.dtsi" + +/ { + model = "ARM Integrator/AP"; + compatible = "arm,integrator-ap"; + + core-module@10000000 { + compatible = "arm,core-module-integrator"; + reg = <0x10000000 0x200>; + }; + + syscon { + compatible = "arm,integrator-ap-syscon"; + reg = <0x11000000 0x100>; + interrupt-parent = <&pic>; + /* These are the logic module IRQs */ + interrupts = <9>, <10>, <11>, <12>; + }; +}; ARM Versatile Application and Platform Baseboards diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index 00a5c26454e..91a748fed13 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -45,8 +45,8 @@ Additionally, "allwinner,*-gates-clk" clocks require: Clock consumers should specify the desired clocks they use with a "clocks" phandle cell. Consumers that are using a gated clock should -provide an additional ID in their clock property. The values of this -ID are documented in sunxi/<soc>-gates.txt. +provide an additional ID in their clock property. This ID is the +offset of the bit controlling this particular gate in the register. For example: diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt deleted file mode 100644 index 6a03475bbfe..00000000000 --- a/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt +++ /dev/null @@ -1,93 +0,0 @@ -Gate clock outputs ------------------- - - * AXI gates ("allwinner,sun4i-axi-gates-clk") - - DRAM 0 - - * AHB gates ("allwinner,sun4i-ahb-gates-clk") - - USB0 0 - EHCI0 1 - OHCI0 2* - EHCI1 3 - OHCI1 4* - SS 5 - DMA 6 - BIST 7 - MMC0 8 - MMC1 9 - MMC2 10 - MMC3 11 - MS 12** - NAND 13 - SDRAM 14 - - ACE 16 - EMAC 17 - TS 18 - - SPI0 20 - SPI1 21 - SPI2 22 - SPI3 23 - PATA 24 - SATA 25** - GPS 26* - - VE 32 - TVD 33 - TVE0 34 - TVE1 35 - LCD0 36 - LCD1 37 - - CSI0 40 - CSI1 41 - - HDMI 43 - DE_BE0 44 - DE_BE1 45 - DE_FE1 46 - DE_FE1 47 - - MP 50 - - MALI400 52 - - * APB0 gates ("allwinner,sun4i-apb0-gates-clk") - - CODEC 0 - SPDIF 1* - AC97 2 - IIS 3 - - PIO 5 - IR0 6 - IR1 7 - - KEYPAD 10 - - * APB1 gates ("allwinner,sun4i-apb1-gates-clk") - - I2C0 0 - I2C1 1 - I2C2 2 - - CAN 4 - SCR 5 - PS20 6 - PS21 7 - - UART0 16 - UART1 17 - UART2 18 - UART3 19 - UART4 20 - UART5 21 - UART6 22 - UART7 23 - -Notation: - [*]: The datasheet didn't mention these, but they are present on AW code - [**]: The datasheet had this marked as "NC" but they are used on AW code diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt deleted file mode 100644 index d24279fe142..00000000000 --- a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a10s-gates.txt +++ /dev/null @@ -1,75 +0,0 @@ -Gate clock outputs ------------------- - - * AXI gates ("allwinner,sun4i-axi-gates-clk") - - DRAM 0 - - * AHB gates ("allwinner,sun5i-a10s-ahb-gates-clk") - - USB0 0 - EHCI0 1 - OHCI0 2 - - SS 5 - DMA 6 - BIST 7 - MMC0 8 - MMC1 9 - MMC2 10 - - NAND 13 - SDRAM 14 - - EMAC 17 - TS 18 - - SPI0 20 - SPI1 21 - SPI2 22 - - GPS 26 - - HSTIMER 28 - - VE 32 - - TVE 34 - - LCD 36 - - CSI 40 - - HDMI 43 - DE_BE 44 - - DE_FE 46 - - IEP 51 - MALI400 52 - - * APB0 gates ("allwinner,sun5i-a10s-apb0-gates-clk") - - CODEC 0 - - IIS 3 - - PIO 5 - IR 6 - - KEYPAD 10 - - * APB1 gates ("allwinner,sun5i-a10s-apb1-gates-clk") - - I2C0 0 - I2C1 1 - I2C2 2 - - UART0 16 - UART1 17 - UART2 18 - UART3 19 - -Notation: - [*]: The datasheet didn't mention these, but they are present on AW code - [**]: The datasheet had this marked as "NC" but they are used on AW code diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt deleted file mode 100644 index 006b6dfc470..00000000000 --- a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt +++ /dev/null @@ -1,58 +0,0 @@ -Gate clock outputs ------------------- - - * AXI gates ("allwinner,sun4i-axi-gates-clk") - - DRAM 0 - - * AHB gates ("allwinner,sun5i-a13-ahb-gates-clk") - - USBOTG 0 - EHCI 1 - OHCI 2 - - SS 5 - DMA 6 - BIST 7 - MMC0 8 - MMC1 9 - MMC2 10 - - NAND 13 - SDRAM 14 - - SPI0 20 - SPI1 21 - SPI2 22 - - STIMER 28 - - VE 32 - - LCD 36 - - CSI 40 - - DE_BE 44 - - DE_FE 46 - - IEP 51 - MALI400 52 - - * APB0 gates ("allwinner,sun5i-a13-apb0-gates-clk") - - CODEC 0 - - PIO 5 - IR 6 - - * APB1 gates ("allwinner,sun5i-a13-apb1-gates-clk") - - I2C0 0 - I2C1 1 - I2C2 2 - - UART1 17 - - UART3 19 diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun6i-a31-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun6i-a31-gates.txt deleted file mode 100644 index fe44932b5c6..00000000000 --- a/Documentation/devicetree/bindings/clock/sunxi/sun6i-a31-gates.txt +++ /dev/null @@ -1,83 +0,0 @@ -Gate clock outputs ------------------- - - * AHB1 gates ("allwinner,sun6i-a31-ahb1-gates-clk") - - MIPI DSI 1 - - SS 5 - DMA 6 - - MMC0 8 - MMC1 9 - MMC2 10 - MMC3 11 - - NAND1 12 - NAND0 13 - SDRAM 14 - - GMAC 17 - TS 18 - HSTIMER 19 - SPI0 20 - SPI1 21 - SPI2 22 - SPI3 23 - USB_OTG 24 - - EHCI0 26 - EHCI1 27 - - OHCI0 29 - OHCI1 30 - OHCI2 31 - VE 32 - - LCD0 36 - LCD1 37 - - CSI 40 - - HDMI 43 - DE_BE0 44 - DE_BE1 45 - DE_FE1 46 - DE_FE1 47 - - MP 50 - - GPU 52 - - DEU0 55 - DEU1 56 - DRC0 57 - DRC1 58 - - * APB1 gates ("allwinner,sun6i-a31-apb1-gates-clk") - - CODEC 0 - - DIGITAL MIC 4 - PIO 5 - - DAUDIO0 12 - DAUDIO1 13 - - * APB2 gates ("allwinner,sun6i-a31-apb2-gates-clk") - - I2C0 0 - I2C1 1 - I2C2 2 - I2C3 3 - - UART0 16 - UART1 17 - UART2 18 - UART3 19 - UART4 20 - UART5 21 - -Notation: - [*]: The datasheet didn't mention these, but they are present on AW code - [**]: The datasheet had this marked as "NC" but they are used on AW code diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt deleted file mode 100644 index 357f4fdc02e..00000000000 --- a/Documentation/devicetree/bindings/clock/sunxi/sun7i-a20-gates.txt +++ /dev/null @@ -1,98 +0,0 @@ -Gate clock outputs ------------------- - - * AXI gates ("allwinner,sun4i-axi-gates-clk") - - DRAM 0 - - * AHB gates ("allwinner,sun7i-a20-ahb-gates-clk") - - USB0 0 - EHCI0 1 - OHCI0 2 - EHCI1 3 - OHCI1 4 - SS 5 - DMA 6 - BIST 7 - MMC0 8 - MMC1 9 - MMC2 10 - MMC3 11 - MS 12 - NAND 13 - SDRAM 14 - - ACE 16 - EMAC 17 - TS 18 - - SPI0 20 - SPI1 21 - SPI2 22 - SPI3 23 - - SATA 25 - - HSTIMER 28 - - VE 32 - TVD 33 - TVE0 34 - TVE1 35 - LCD0 36 - LCD1 37 - - CSI0 40 - CSI1 41 - - HDMI1 42 - HDMI0 43 - DE_BE0 44 - DE_BE1 45 - DE_FE1 46 - DE_FE1 47 - - GMAC 49 - MP 50 - - MALI400 52 - - * APB0 gates ("allwinner,sun7i-a20-apb0-gates-clk") - - CODEC 0 - SPDIF 1 - AC97 2 - IIS0 3 - IIS1 4 - PIO 5 - IR0 6 - IR1 7 - IIS2 8 - - KEYPAD 10 - - * APB1 gates ("allwinner,sun7i-a20-apb1-gates-clk") - - I2C0 0 - I2C1 1 - I2C2 2 - I2C3 3 - CAN 4 - SCR 5 - PS20 6 - PS21 7 - - I2C4 15 - UART0 16 - UART1 17 - UART2 18 - UART3 19 - UART4 20 - UART5 21 - UART6 22 - UART7 23 - -Notation: - [*]: The datasheet didn't mention these, but they are present on AW code - [**]: The datasheet had this marked as "NC" but they are used on AW code diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt index 57edb30dbbc..3d3b2b91e33 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt @@ -8,9 +8,6 @@ Required properties: - #interrupt-cells : Specifies the number of cells needed to encode an interrupt source. The value shall be 1. -For the valid interrupt sources for your SoC, see the documentation in -sunxi/<soc>.txt - Example: intc: interrupt-controller { diff --git a/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun4i-a10.txt b/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun4i-a10.txt deleted file mode 100644 index 76b98c83449..00000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun4i-a10.txt +++ /dev/null @@ -1,89 +0,0 @@ -Allwinner A10 (sun4i) interrupt sources ---------------------------------------- - -The interrupt sources available for the Allwinner A10 SoC are the -following one: - -0: ENMI -1: UART0 -2: UART1 -3: UART2 -4: UART3 -5: IR0 -6: IR1 -7: I2C0 -8: I2C1 -9: I2C2 -10: SPI0 -11: SPI1 -12: SPI2 -13: SPDIF -14: AC97 -15: TS -16: I2S -17: UART4 -18: UART5 -19: UART6 -20: UART7 -21: KEYPAD -22: TIMER0 -23: TIMER1 -24: TIMER2 -25: TIMER3 -26: CAN -27: DMA -28: PIO -29: TOUCH_PANEL -30: AUDIO_CODEC -31: LRADC -32: MMC0 -33: MMC1 -34: MMC2 -35: MMC3 -36: MEMSTICK -37: NAND -38: USB0 -39: USB1 -40: USB2 -41: SCR -42: CSI0 -43: CSI1 -44: LCDCTRL0 -45: LCDCTRL1 -46: MP -47: DEFEBE0 -48: DEFEBE1 -49: PMU -50: SPI3 -51: TZASC -52: PATA -53: VE -54: SS -55: EMAC -56: SATA -57: GPS -58: HDMI -59: TVE -60: ACE -61: TVD -62: PS2_0 -63: PS2_1 -64: USB3 -65: USB4 -66: PLE_PFM -67: TIMER4 -68: TIMER5 -69: GPU_GP -70: GPU_GPMMU -71: GPU_PP0 -72: GPU_PPMMU0 -73: GPU_PMU -74: GPU_RSV0 -75: GPU_RSV1 -76: GPU_RSV2 -77: GPU_RSV3 -78: GPU_RSV4 -79: GPU_RSV5 -80: GPU_RSV6 -82: SYNC_TIMER0 -83: SYNC_TIMER1 diff --git a/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun5i-a13.txt b/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun5i-a13.txt deleted file mode 100644 index 2ec3b5ce1a0..00000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/sunxi/sun5i-a13.txt +++ /dev/null @@ -1,55 +0,0 @@ -Allwinner A13 (sun5i) interrupt sources ---------------------------------------- - -The interrupt sources available for the Allwinner A13 SoC are the -following one: - -0: ENMI -2: UART1 -4: UART3 -5: IR -7: I2C0 -8: I2C1 -9: I2C2 -10: SPI0 -11: SPI1 -12: SPI2 -22: TIMER0 -23: TIMER1 -24: TIMER2 -25: TIMER3 -27: DMA -28: PIO -29: TOUCH_PANEL -30: AUDIO_CODEC -31: LRADC -32: MMC0 -33: MMC1 -34: MMC2 -37: NAND -38: USB OTG -39: USB EHCI -40: USB OHCI -42: CSI -44: LCDCTRL -47: DEFEBE -49: PMU -53: VE -54: SS -66: PLE_PFM -67: TIMER4 -68: TIMER5 -69: GPU_GP -70: GPU_GPMMU -71: GPU_PP0 -72: GPU_PPMMU0 -73: GPU_PMU -74: GPU_RSV0 -75: GPU_RSV1 -76: GPU_RSV2 -77: GPU_RSV3 -78: GPU_RSV4 -79: GPU_RSV5 -80: GPU_RSV6 -82: SYNC_TIMER0 -83: SYNC_TIMER1 diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt index 6d1c0988cfc..c67b975c890 100644 --- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt @@ -1,11 +1,11 @@ -* Samsung Exynos specific extensions to the Synopsis Designware Mobile +* Samsung Exynos specific extensions to the Synopsys Designware Mobile Storage Host Controller -The Synopsis designware mobile storage host controller is used to interface +The Synopsys designware mobile storage host controller is used to interface a SoC with storage medium such as eMMC or SD/MMC cards. This file documents -differences between the core Synopsis dw mshc controller properties described -by synopsis-dw-mshc.txt and the properties used by the Samsung Exynos specific -extensions to the Synopsis Designware Mobile Storage Host Controller. +differences between the core Synopsys dw mshc controller properties described +by synopsys-dw-mshc.txt and the properties used by the Samsung Exynos specific +extensions to the Synopsys Designware Mobile Storage Host Controller. Required Properties: diff --git a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt index 8a3d91d47b6..c559f3f3630 100644 --- a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt @@ -1,11 +1,11 @@ -* Rockchip specific extensions to the Synopsis Designware Mobile +* Rockchip specific extensions to the Synopsys Designware Mobile Storage Host Controller -The Synopsis designware mobile storage host controller is used to interface +The Synopsys designware mobile storage host controller is used to interface a SoC with storage medium such as eMMC or SD/MMC cards. This file documents -differences between the core Synopsis dw mshc controller properties described -by synopsis-dw-mshc.txt and the properties used by the Rockchip specific -extensions to the Synopsis Designware Mobile Storage Host Controller. +differences between the core Synopsys dw mshc controller properties described +by synopsys-dw-mshc.txt and the properties used by the Rockchip specific +extensions to the Synopsys Designware Mobile Storage Host Controller. Required Properties: diff --git a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index cdcebea9c6f..066a78b034c 100644 --- a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -1,14 +1,14 @@ -* Synopsis Designware Mobile Storage Host Controller +* Synopsys Designware Mobile Storage Host Controller -The Synopsis designware mobile storage host controller is used to interface +The Synopsys designware mobile storage host controller is used to interface a SoC with storage medium such as eMMC or SD/MMC cards. This file documents differences between the core mmc properties described by mmc.txt and the -properties used by the Synopsis Designware Mobile Storage Host Controller. +properties used by the Synopsys Designware Mobile Storage Host Controller. Required Properties: * compatible: should be - - snps,dw-mshc: for controllers compliant with synopsis dw-mshc. + - snps,dw-mshc: for controllers compliant with synopsys dw-mshc. * #address-cells: should be 1. * #size-cells: should be 0. diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt index df204e18e03..6a2a1160a70 100644 --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt @@ -9,12 +9,15 @@ compulsory and any optional properties, common to all SD/MMC drivers, as described in mmc.txt, can be used. Additionally the following tmio_mmc-specific optional bindings can be used. +Required properties: +- compatible: "renesas,sdhi-shmobile" - a generic sh-mobile SDHI unit + "renesas,sdhi-sh7372" - SDHI IP on SH7372 SoC + "renesas,sdhi-sh73a0" - SDHI IP on SH73A0 SoC + "renesas,sdhi-r8a73a4" - SDHI IP on R8A73A4 SoC + "renesas,sdhi-r8a7740" - SDHI IP on R8A7740 SoC + "renesas,sdhi-r8a7778" - SDHI IP on R8A7778 SoC + "renesas,sdhi-r8a7779" - SDHI IP on R8A7779 SoC + "renesas,sdhi-r8a7790" - SDHI IP on R8A7790 SoC + Optional properties: - toshiba,mmc-wrprotect-disable: write-protect detection is unavailable - -When used with Renesas SDHI hardware, the following compatibility strings -configure various model-specific properties: - -"renesas,sh7372-sdhi": (default) compatible with SH7372 -"renesas,r8a7740-sdhi": compatible with R8A7740: certain MMC/SD commands have to - wait for the interface to become idle. diff --git a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt index 2c6be0377f5..d2ea4605d07 100644 --- a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt +++ b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt @@ -86,6 +86,7 @@ General Properties: Clock Properties: + - fsl,cksel Timer reference clock source. - fsl,tclk-period Timer reference clock period in nanoseconds. - fsl,tmr-prsc Prescaler, divides the output clock. - fsl,tmr-add Frequency compensation value. @@ -97,7 +98,7 @@ Clock Properties: clock. You must choose these carefully for the clock to work right. Here is how to figure good values: - TimerOsc = system clock MHz + TimerOsc = selected reference clock MHz tclk_period = desired clock period nanoseconds NominalFreq = 1000 / tclk_period MHz FreqDivRatio = TimerOsc / NominalFreq (must be greater that 1.0) @@ -114,6 +115,20 @@ Clock Properties: Pulse Per Second (PPS) signal, since this will be offered to the PPS subsystem to synchronize the Linux clock. + Reference clock source is determined by the value, which is holded + in CKSEL bits in TMR_CTRL register. "fsl,cksel" property keeps the + value, which will be directly written in those bits, that is why, + according to reference manual, the next clock sources can be used: + + <0> - external high precision timer reference clock (TSEC_TMR_CLK + input is used for this purpose); + <1> - eTSEC system clock; + <2> - eTSEC1 transmit clock; + <3> - RTC clock input. + + When this attribute is not used, eTSEC system clock will serve as + IEEE 1588 timer reference clock. + Example: ptp_clock@24E00 { @@ -121,6 +136,7 @@ Example: reg = <0x24E00 0xB0>; interrupts = <12 0x8 13 0x8>; interrupt-parent = < &ipic >; + fsl,cksel = <1>; fsl,tclk-period = <10>; fsl,tmr-prsc = <100>; fsl,tmr-add = <0x999999A4>; diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index eabcb4b5db6..e216af35684 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -1,4 +1,4 @@ -* Synopsis Designware PCIe interface +* Synopsys Designware PCIe interface Required properties: - compatible: should contain "snps,dw-pcie" to identify the diff --git a/Documentation/devicetree/bindings/tty/serial/qca,ar9330-uart.txt b/Documentation/devicetree/bindings/serial/qca,ar9330-uart.txt index c5e032c85bf..c5e032c85bf 100644 --- a/Documentation/devicetree/bindings/tty/serial/qca,ar9330-uart.txt +++ b/Documentation/devicetree/bindings/serial/qca,ar9330-uart.txt diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1a036cd972f..fcbb736d55f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -480,6 +480,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. + blkdevparts= Manual partition parsing of block device(s) for + embedded devices based on command line input. + See Documentation/block/cmdline-partition.txt + boot_delay= Milliseconds to delay each printk during boot. Values larger than 10 seconds (10000) are changed to no delay (0). @@ -1357,7 +1361,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. pages. In the event, a node is too small to have both kernelcore and Movable pages, kernelcore pages will take priority and other nodes will have a larger number - of kernelcore pages. The Movable zone is used for the + of Movable pages. The Movable zone is used for the allocation of pages that may be reclaimed or moved by the page migration subsystem. This means that HugeTLB pages may not be allocated from this zone. @@ -3485,6 +3489,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. the unplug protocol never -- do not unplug even if version check succeeds + xen_nopvspin [X86,XEN] + Disables the ticketlock slowpath using Xen PV + optimizations. + xirc2ps_cs= [NET,PCMCIA] Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index a46ddb85e83..f911e365620 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -296,6 +296,12 @@ Cirrus Logic CS4206/4207 imac27 IMac 27 Inch auto BIOS setup (default) +Cirrus Logic CS4208 +=================== + mba6 MacBook Air 6,1 and 6,2 + gpio0 Enable GPIO 0 amp + auto BIOS setup (default) + VIA VT17xx/VT18xx/VT20xx ======================== auto BIOS setup (default) diff --git a/MAINTAINERS b/MAINTAINERS index e61c2e83fc2..8a0cbf3cf2c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -824,15 +824,21 @@ S: Maintained F: arch/arm/mach-gemini/ ARM/CSR SIRFPRIMA2 MACHINE SUPPORT -M: Barry Song <baohua.song@csr.com> +M: Barry Song <baohua@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux.git S: Maintained F: arch/arm/mach-prima2/ +F: drivers/clk/clk-prima2.c +F: drivers/clocksource/timer-prima2.c +F: drivers/clocksource/timer-marco.c F: drivers/dma/sirf-dma.c F: drivers/i2c/busses/i2c-sirf.c +F: drivers/input/misc/sirfsoc-onkey.c +F: drivers/irqchip/irq-sirfsoc.c F: drivers/mmc/host/sdhci-sirf.c F: drivers/pinctrl/sirf/ +F: drivers/rtc/rtc-sirfsoc.c F: drivers/spi/spi-sirf.c ARM/EBSA110 MACHINE SUPPORT @@ -1812,7 +1818,8 @@ S: Supported F: drivers/net/ethernet/broadcom/bnx2x/ BROADCOM BCM281XX/BCM11XXX ARM ARCHITECTURE -M: Christian Daudt <csd@broadcom.com> +M: Christian Daudt <bcm@fixthebug.org> +L: bcm-kernel-feedback-list@broadcom.com T: git git://git.github.com/broadcom/bcm11351 S: Maintained F: arch/arm/mach-bcm/ @@ -2639,6 +2646,18 @@ F: include/linux/device-mapper.h F: include/linux/dm-*.h F: include/uapi/linux/dm-*.h +DIGI NEO AND CLASSIC PCI PRODUCTS +M: Lidza Louina <lidza.louina@gmail.com> +L: driverdev-devel@linuxdriverproject.org +S: Maintained +F: drivers/staging/dgnc/ + +DIGI EPCA PCI PRODUCTS +M: Lidza Louina <lidza.louina@gmail.com> +L: driverdev-devel@linuxdriverproject.org +S: Maintained +F: drivers/staging/dgap/ + DIOLAN U2C-12 I2C DRIVER M: Guenter Roeck <linux@roeck-us.net> L: linux-i2c@vger.kernel.org @@ -4457,6 +4476,13 @@ L: linux-serial@vger.kernel.org S: Maintained F: drivers/tty/serial/ioc3_serial.c +IOMMU DRIVERS +M: Joerg Roedel <joro@8bytes.org> +L: iommu@lists.linux-foundation.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git +S: Maintained +F: drivers/iommu/ + IP MASQUERADING M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar> S: Maintained @@ -6595,7 +6621,7 @@ S: Obsolete F: drivers/net/wireless/prism54/ PROMISE SATA TX2/TX4 CONTROLLER LIBATA DRIVER -M: Mikael Pettersson <mikpe@it.uu.se> +M: Mikael Pettersson <mikpelinux@gmail.com> L: linux-ide@vger.kernel.org S: Maintained F: drivers/ata/sata_promise.* @@ -7258,9 +7284,9 @@ F: include/linux/sched.h F: include/uapi/linux/sched.h SCORE ARCHITECTURE -M: Chen Liqin <liqin.chen@sunplusct.com> +M: Chen Liqin <liqin.linux@gmail.com> M: Lennox Wu <lennox.wu@gmail.com> -W: http://www.sunplusct.com +W: http://www.sunplus.com S: Supported F: arch/score/ @@ -8724,9 +8750,8 @@ F: Documentation/hid/hiddev.txt F: drivers/hid/usbhid/ USB/IP DRIVERS -M: Matt Mooney <mfm@muteddisk.com> L: linux-usb@vger.kernel.org -S: Maintained +S: Orphan F: drivers/staging/usbip/ USB ISP116X DRIVER @@ -9366,6 +9391,7 @@ F: arch/arm64/include/asm/xen/ XEN NETWORK BACKEND DRIVER M: Ian Campbell <ian.campbell@citrix.com> +M: Wei Liu <wei.liu2@citrix.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) L: netdev@vger.kernel.org S: Supported @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc4 NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/Kconfig b/arch/Kconfig index 1feb169274f..af2cc6eabcc 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -286,9 +286,6 @@ config HAVE_PERF_USER_STACK_DUMP config HAVE_ARCH_JUMP_LABEL bool -config HAVE_ARCH_MUTEX_CPU_RELAX - bool - config HAVE_RCU_TABLE_FREE bool diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index f158197ac5b..b6a8c2dfbe6 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -45,7 +45,14 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) static inline void arch_spin_unlock(arch_spinlock_t *lock) { - lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__; + + __asm__ __volatile__( + " ex %0, [%1] \n" + : "+r" (tmp) + : "r"(&(lock->slock)) + : "memory"); + smp_mb(); } diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h index 32420824375..30c9baffa96 100644 --- a/arch/arc/include/asm/uaccess.h +++ b/arch/arc/include/asm/uaccess.h @@ -43,7 +43,7 @@ * Because it essentially checks if buffer end is within limit and @len is * non-ngeative, which implies that buffer start will be within limit too. * - * The reason for rewriting being, for majorit yof cases, @len is generally + * The reason for rewriting being, for majority of cases, @len is generally * compile time constant, causing first sub-expression to be compile time * subsumed. * @@ -53,7 +53,7 @@ * */ #define __user_ok(addr, sz) (((sz) <= TASK_SIZE) && \ - (((addr)+(sz)) <= get_fs())) + ((addr) <= (get_fs() - (sz)))) #define __access_ok(addr, sz) (unlikely(__kernel_ok) || \ likely(__user_ok((addr), (sz)))) diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index ee6ef2f60a2..7e95e1a8651 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -101,7 +101,6 @@ SYSCALL_DEFINE0(rt_sigreturn) { struct rt_sigframe __user *sf; unsigned int magic; - int err; struct pt_regs *regs = current_pt_regs(); /* Always make any pending restarted system calls return -EINTR */ @@ -119,15 +118,16 @@ SYSCALL_DEFINE0(rt_sigreturn) if (!access_ok(VERIFY_READ, sf, sizeof(*sf))) goto badframe; - err = restore_usr_regs(regs, sf); - err |= __get_user(magic, &sf->sigret_magic); - if (err) + if (__get_user(magic, &sf->sigret_magic)) goto badframe; if (unlikely(is_do_ss_needed(magic))) if (restore_altstack(&sf->uc.uc_stack)) goto badframe; + if (restore_usr_regs(regs, sf)) + goto badframe; + /* Don't restart from sigreturn */ syscall_wont_restart(regs); @@ -191,6 +191,15 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info, return 1; /* + * w/o SA_SIGINFO, struct ucontext is partially populated (only + * uc_mcontext/uc_sigmask) for kernel's normal user state preservation + * during signal handler execution. This works for SA_SIGINFO as well + * although the semantics are now overloaded (the same reg state can be + * inspected by userland: but are they allowed to fiddle with it ? + */ + err |= stash_usr_regs(sf, regs, set); + + /* * SA_SIGINFO requires 3 args to signal handler: * #1: sig-no (common to any handler) * #2: struct siginfo @@ -213,14 +222,6 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info, magic = MAGIC_SIGALTSTK; } - /* - * w/o SA_SIGINFO, struct ucontext is partially populated (only - * uc_mcontext/uc_sigmask) for kernel's normal user state preservation - * during signal handler execution. This works for SA_SIGINFO as well - * although the semantics are now overloaded (the same reg state can be - * inspected by userland: but are they allowed to fiddle with it ? - */ - err |= stash_usr_regs(sf, regs, set); err |= __put_user(magic, &sf->sigret_magic); if (err) return err; diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 0e51e69cf30..3fde7de3ea6 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -227,12 +227,9 @@ void __attribute__((weak)) arc_local_timer_setup(unsigned int cpu) { struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu); - clockevents_calc_mult_shift(clk, arc_get_core_freq(), 5); - - clk->max_delta_ns = clockevent_delta2ns(ARC_TIMER_MAX, clk); clk->cpumask = cpumask_of(cpu); - - clockevents_register_device(clk); + clockevents_config_and_register(clk, arc_get_core_freq(), + 0, ARC_TIMER_MAX); /* * setup the per-cpu timer IRQ handler - for all cpus diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c index 28d17006074..7ff5b5c183b 100644 --- a/arch/arc/kernel/unaligned.c +++ b/arch/arc/kernel/unaligned.c @@ -245,6 +245,12 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs, regs->status32 &= ~STATUS_DE_MASK; } else { regs->ret += state.instr_len; + + /* handle zero-overhead-loop */ + if ((regs->ret == regs->lp_end) && (regs->lp_count)) { + regs->ret = regs->lp_start; + regs->lp_count--; + } } return 0; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3f7714d8d2d..bca9f94d272 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -317,6 +317,7 @@ config ARCH_INTEGRATOR select NEED_MACH_MEMORY_H select PLAT_VERSATILE select SPARSE_IRQ + select USE_OF select VERSATILE_FPGA_IRQ help Support for ARM's Integrator platform. @@ -727,6 +728,7 @@ config ARCH_S3C64XX select ARM_VIC select CLKDEV_LOOKUP select CLKSRC_SAMSUNG_PWM + select COMMON_CLK select CPU_V6 select GENERIC_CLOCKEVENTS select GPIO_SAMSUNG @@ -740,7 +742,6 @@ config ARCH_S3C64XX select S3C_DEV_NAND select S3C_GPIO_TRACK select SAMSUNG_ATAGS - select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI @@ -2217,8 +2218,7 @@ config NEON config KERNEL_MODE_NEON bool "Support for NEON in kernel mode" - default n - depends on NEON + depends on NEON && AEABI help Say Y to include support for NEON in kernel mode. diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e95af3f5433..802720e3e8f 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -41,6 +41,8 @@ dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb dtb-$(CONFIG_ARCH_AT91) += sama5d35ek.dtb +dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb + dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \ bcm28155-ap.dtb diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts index 05e4485a822..8ac2ac1f69c 100644 --- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts +++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts @@ -27,6 +27,25 @@ }; soc { + ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000 + MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>; + + pcie-controller { + status = "okay"; + + /* Connected to Marvell SATA controller */ + pcie@1,0 { + /* Port 0, Lane 0 */ + status = "okay"; + }; + + /* Connected to FL1009 USB 3.0 controller */ + pcie@2,0 { + /* Port 1, Lane 0 */ + status = "okay"; + }; + }; + internal-regs { serial@12000 { clock-frequency = <200000000>; @@ -57,6 +76,11 @@ marvell,pins = "mpp56"; marvell,function = "gpio"; }; + + poweroff: poweroff { + marvell,pins = "mpp8"; + marvell,function = "gpio"; + }; }; mdio { @@ -89,22 +113,6 @@ pwm_polarity = <0>; }; }; - - pcie-controller { - status = "okay"; - - /* Connected to Marvell SATA controller */ - pcie@1,0 { - /* Port 0, Lane 0 */ - status = "okay"; - }; - - /* Connected to FL1009 USB 3.0 controller */ - pcie@2,0 { - /* Port 1, Lane 0 */ - status = "okay"; - }; - }; }; }; @@ -160,7 +168,7 @@ button@1 { label = "Power Button"; linux,code = <116>; /* KEY_POWER */ - gpios = <&gpio1 30 1>; + gpios = <&gpio1 30 0>; }; button@2 { @@ -176,4 +184,11 @@ }; }; + gpio_poweroff { + compatible = "gpio-poweroff"; + pinctrl-0 = <&poweroff>; + pinctrl-names = "default"; + gpios = <&gpio0 8 1>; + }; + }; diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index def125c0eea..3058522f5aa 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -70,6 +70,8 @@ timer@20300 { compatible = "marvell,armada-xp-timer"; + clocks = <&coreclk 2>, <&refclk>; + clock-names = "nbclk", "fixed"; }; coreclk: mvebu-sar@18230 { @@ -169,4 +171,13 @@ }; }; }; + + clocks { + /* 25 MHz reference crystal */ + refclk: oscillator { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + }; }; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index cf78ac0b04b..e74dc15efa9 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -190,12 +190,12 @@ AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA8 periph A */ }; - pinctrl_uart2_rts: uart2_rts-0 { + pinctrl_usart2_rts: usart2_rts-0 { atmel,pins = <AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */ }; - pinctrl_uart2_cts: uart2_cts-0 { + pinctrl_usart2_cts: usart2_cts-0 { atmel,pins = <AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */ }; @@ -556,6 +556,7 @@ interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>; dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>; dma-names = "rxtx"; + pinctrl-names = "default"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -567,6 +568,7 @@ interrupts = <26 IRQ_TYPE_LEVEL_HIGH 0>; dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>; dma-names = "rxtx"; + pinctrl-names = "default"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi index 8678e0c1111..6db4f81d479 100644 --- a/arch/arm/boot/dts/atlas6.dtsi +++ b/arch/arm/boot/dts/atlas6.dtsi @@ -181,6 +181,8 @@ interrupts = <17>; fifosize = <128>; clocks = <&clks 13>; + sirf,uart-dma-rx-channel = <21>; + sirf,uart-dma-tx-channel = <2>; }; uart1: uart@b0060000 { @@ -199,6 +201,8 @@ interrupts = <19>; fifosize = <128>; clocks = <&clks 15>; + sirf,uart-dma-rx-channel = <6>; + sirf,uart-dma-tx-channel = <7>; }; usp0: usp@b0080000 { @@ -206,7 +210,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0080000 0x10000>; interrupts = <20>; + fifosize = <128>; clocks = <&clks 28>; + sirf,usp-dma-rx-channel = <17>; + sirf,usp-dma-tx-channel = <18>; }; usp1: usp@b0090000 { @@ -214,7 +221,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0090000 0x10000>; interrupts = <21>; + fifosize = <128>; clocks = <&clks 29>; + sirf,usp-dma-rx-channel = <14>; + sirf,usp-dma-tx-channel = <15>; }; dmac0: dma-controller@b00b0000 { @@ -237,6 +247,8 @@ compatible = "sirf,prima2-vip"; reg = <0xb00C0000 0x10000>; clocks = <&clks 31>; + interrupts = <14>; + sirf,vip-dma-rx-channel = <16>; }; spi0: spi@b00d0000 { diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi index e8559b753c9..bc22557d7a6 100644 --- a/arch/arm/boot/dts/ecx-common.dtsi +++ b/arch/arm/boot/dts/ecx-common.dtsi @@ -19,6 +19,14 @@ bootargs = "console=ttyAMA0"; }; + psci { + compatible = "arm,psci"; + method = "smc"; + cpu_suspend = <0x84000002>; + cpu_off = <0x84000004>; + cpu_on = <0x84000006>; + }; + soc { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi index 813b91d7bea..0f06f8687b0 100644 --- a/arch/arm/boot/dts/integrator.dtsi +++ b/arch/arm/boot/dts/integrator.dtsi @@ -5,6 +5,11 @@ /include/ "skeleton.dtsi" / { + core-module@10000000 { + compatible = "arm,core-module-integrator"; + reg = <0x10000000 0x200>; + }; + timer@13000000 { reg = <0x13000000 0x100>; interrupt-parent = <&pic>; diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts index b6b82eca8d1..e6be9315ff0 100644 --- a/arch/arm/boot/dts/integratorap.dts +++ b/arch/arm/boot/dts/integratorap.dts @@ -19,8 +19,11 @@ }; syscon { - /* AP system controller registers */ + compatible = "arm,integrator-ap-syscon"; reg = <0x11000000 0x100>; + interrupt-parent = <&pic>; + /* These are the logical module IRQs */ + interrupts = <9>, <10>, <11>, <12>; }; timer0: timer@13000000 { diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index ff1aea0ee04..a3a06b89323 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -18,8 +18,8 @@ bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk"; }; - cpcon { - /* CP controller registers */ + syscon { + compatible = "arm,integrator-cp-syscon"; reg = <0xcb000000 0x100>; }; diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi new file mode 100644 index 00000000000..d6713b11325 --- /dev/null +++ b/arch/arm/boot/dts/keystone-clocks.dtsi @@ -0,0 +1,821 @@ +/* + * Device Tree Source for Keystone 2 clock tree + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + refclkmain: refclkmain { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <122880000>; + clock-output-names = "refclk-main"; + }; + + mainpllclk: mainpllclk@2310110 { + #clock-cells = <0>; + compatible = "ti,keystone,main-pll-clock"; + clocks = <&refclkmain>; + reg = <0x02620350 4>, <0x02310110 4>; + reg-names = "control", "multiplier"; + fixed-postdiv = <2>; + }; + + papllclk: papllclk@2620358 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "pa-pll-clk"; + reg = <0x02620358 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3allclk: ddr3apllclk@2620360 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3a-pll-clk"; + reg = <0x02620360 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3bllclk: ddr3bpllclk@2620368 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3b-pll-clk"; + reg = <0x02620368 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + armpllclk: armpllclk@2620370 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "arm-pll-clk"; + reg = <0x02620370 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + mainmuxclk: mainmuxclk@2310108 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-mux-clock"; + clocks = <&mainpllclk>, <&refclkmain>; + reg = <0x02310108 4>; + bit-shift = <23>; + bit-mask = <1>; + clock-output-names = "mainmuxclk"; + }; + + chipclk1: chipclk1 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1"; + }; + + chipclk1rstiso: chipclk1rstiso { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso"; + }; + + gemtraceclk: gemtraceclk@2310120 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310120 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "gemtraceclk"; + }; + + chipstmxptclk: chipstmxptclk { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310164 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "chipstmxptclk"; + }; + + chipclk12: chipclk12 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <2>; + clock-mult = <1>; + clock-output-names = "chipclk12"; + }; + + chipclk13: chipclk13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk13"; + }; + + chipclk14: chipclk14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk14"; + }; + + chipclk16: chipclk16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk16"; + }; + + chipclk112: chipclk112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk112"; + }; + + chipclk124: chipclk124 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <24>; + clock-mult = <1>; + clock-output-names = "chipclk114"; + }; + + chipclk1rstiso13: chipclk1rstiso13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso13"; + }; + + chipclk1rstiso14: chipclk1rstiso14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso14"; + }; + + chipclk1rstiso16: chipclk1rstiso16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso16"; + }; + + chipclk1rstiso112: chipclk1rstiso112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso112"; + }; + + clkmodrst0: clkmodrst0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "modrst0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkusb: clkusb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "usb"; + reg = <0x02350008 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemifspi: clkaemifspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "aemif-spi"; + reg = <0x0235000c 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkdebugsstrc: clkdebugsstrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "debugss-trc"; + reg = <0x02350014 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clktetbtrc: clktetbtrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tetb-trc"; + reg = <0x02350018 0xb00>, <0x02350004 0x400>; + reg-names = "control", "domain"; + domain-id = <1>; + }; + + clkpa: clkpa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "pa"; + reg = <0x0235001c 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkcpgmac: clkcpgmac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "cpgmac"; + reg = <0x02350020 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clksa: clksa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "sa"; + reg = <0x02350024 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkpcie: clkpcie { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "pcie"; + reg = <0x02350028 0xb00>, <0x0235000c 0x400>; + reg-names = "control", "domain"; + domain-id = <3>; + }; + + clksrio: clksrio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso13>; + clock-output-names = "srio"; + reg = <0x0235002c 0xb00>, <0x02350010 0x400>; + reg-names = "control", "domain"; + domain-id = <4>; + }; + + clkhyperlink0: clkhyperlink0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-0"; + reg = <0x02350030 0xb00>, <0x02350014 0x400>; + reg-names = "control", "domain"; + domain-id = <5>; + }; + + clksr: clksr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso112>; + clock-output-names = "sr"; + reg = <0x02350034 0xb00>, <0x02350018 0x400>; + reg-names = "control", "domain"; + domain-id = <6>; + }; + + clkmsmcsram: clkmsmcsram { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "msmcsram"; + reg = <0x02350038 0xb00>, <0x0235001c 0x400>; + reg-names = "control", "domain"; + domain-id = <7>; + }; + + clkgem0: clkgem0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem0"; + reg = <0x0235003c 0xb00>, <0x02350020 0x400>; + reg-names = "control", "domain"; + domain-id = <8>; + }; + + clkgem1: clkgem1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem1"; + reg = <0x02350040 0xb00>, <0x02350024 0x400>; + reg-names = "control", "domain"; + domain-id = <9>; + }; + + clkgem2: clkgem2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem2"; + reg = <0x02350044 0xb00>, <0x02350028 0x400>; + reg-names = "control", "domain"; + domain-id = <10>; + }; + + clkgem3: clkgem3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem3"; + reg = <0x02350048 0xb00>, <0x0235002c 0x400>; + reg-names = "control", "domain"; + domain-id = <11>; + }; + + clkgem4: clkgem4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem4"; + reg = <0x0235004c 0xb00>, <0x02350030 0x400>; + reg-names = "control", "domain"; + domain-id = <12>; + }; + + clkgem5: clkgem5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem5"; + reg = <0x02350050 0xb00>, <0x02350034 0x400>; + reg-names = "control", "domain"; + domain-id = <13>; + }; + + clkgem6: clkgem6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem6"; + reg = <0x02350054 0xb00>, <0x02350038 0x400>; + reg-names = "control", "domain"; + domain-id = <14>; + }; + + clkgem7: clkgem7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem7"; + reg = <0x02350058 0xb00>, <0x0235003c 0x400>; + reg-names = "control", "domain"; + domain-id = <15>; + }; + + clkddr30: clkddr30 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "ddr3-0"; + reg = <0x0235005c 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clkddr31: clkddr31 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "ddr3-1"; + reg = <0x02350060 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clktac: clktac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tac"; + reg = <0x02350064 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac01: clktac01 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-01"; + reg = <0x02350068 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac23: clktac23 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-23"; + reg = <0x0235006c 0xb00>, <0x02350048 0x400>; + reg-names = "control", "domain"; + domain-id = <18>; + }; + + clkfftc0: clkfftc0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-0"; + reg = <0x02350070 0xb00>, <0x0235004c 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc1: clkfftc1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-1"; + reg = <0x02350074 0xb00>, <0x023504c0 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc2: clkfftc2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-2"; + reg = <0x02350078 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc3: clkfftc3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-3"; + reg = <0x0235007c 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc4: clkfftc4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-4"; + reg = <0x02350080 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc5: clkfftc5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-5"; + reg = <0x02350084 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkaif: clkaif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "aif"; + reg = <0x02350088 0xb00>, <0x02350054 0x400>; + reg-names = "control", "domain"; + domain-id = <21>; + }; + + clktcp3d0: clktcp3d0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-0"; + reg = <0x0235008c 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d1: clktcp3d1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-1"; + reg = <0x02350090 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d2: clktcp3d2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-2"; + reg = <0x02350094 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clktcp3d3: clktcp3d3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-3"; + reg = <0x02350098 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clkvcp0: clkvcp0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-0"; + reg = <0x0235009c 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp1: clkvcp1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-1"; + reg = <0x023500a0 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp2: clkvcp2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-2"; + reg = <0x023500a4 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp3: clkvcp3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-3"; + reg = <0x0235000a8 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp4: clkvcp4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-4"; + reg = <0x023500ac 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp5: clkvcp5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-5"; + reg = <0x023500b0 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp6: clkvcp6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-6"; + reg = <0x023500b4 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp7: clkvcp7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-7"; + reg = <0x023500b8 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkbcp: clkbcp { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "bcp"; + reg = <0x023500bc 0xb00>, <0x02350068 0x400>; + reg-names = "control", "domain"; + domain-id = <26>; + }; + + clkdxb: clkdxb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "dxb"; + reg = <0x023500c0 0xb00>, <0x0235006c 0x400>; + reg-names = "control", "domain"; + domain-id = <27>; + }; + + clkhyperlink1: clkhyperlink1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-1"; + reg = <0x023500c4 0xb00>, <0x02350070 0x400>; + reg-names = "control", "domain"; + domain-id = <28>; + }; + + clkxge: clkxge { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "xge"; + reg = <0x023500c8 0xb00>, <0x02350074 0x400>; + reg-names = "control", "domain"; + domain-id = <29>; + }; + + clkwdtimer0: clkwdtimer0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer1: clkwdtimer1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer2: clkwdtimer2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer2"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer3: clkwdtimer3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer3"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart0: clkuart0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart1: clkuart1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemif: clkaemif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "aemif"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkusim: clkusim { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "usim"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clki2c: clki2c { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "i2c"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkspi: clkspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "spi"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkgpio: clkgpio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "gpio"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkkeymgr: clkkeymgr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "keymgr"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; +}; diff --git a/arch/arm/boot/dts/keystone.dts b/arch/arm/boot/dts/keystone.dts index a68e34bbecb..100bdf52b84 100644 --- a/arch/arm/boot/dts/keystone.dts +++ b/arch/arm/boot/dts/keystone.dts @@ -100,13 +100,15 @@ reg = <0x023100e8 4>; /* pll reset control reg */ }; + /include/ "keystone-clocks.dtsi" + uart0: serial@02530c00 { compatible = "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; reg = <0x02530c00 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart0>; interrupts = <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>; }; @@ -116,9 +118,66 @@ reg-shift = <2>; reg-io-width = <4>; reg = <0x02531000 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart1>; interrupts = <GIC_SPI 280 IRQ_TYPE_EDGE_RISING>; }; + i2c0: i2c@2530000 { + compatible = "ti,davinci-i2c"; + reg = <0x02530000 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 283 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + + dtt@50 { + compatible = "at,24c1024"; + reg = <0x50>; + }; + }; + + i2c1: i2c@2530400 { + compatible = "ti,davinci-i2c"; + reg = <0x02530400 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 286 IRQ_TYPE_EDGE_RISING>; + }; + + i2c2: i2c@2530800 { + compatible = "ti,davinci-i2c"; + reg = <0x02530800 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 289 IRQ_TYPE_EDGE_RISING>; + }; + + spi0: spi@21000400 { + compatible = "ti,dm6441-spi"; + reg = <0x21000400 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 292 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi1: spi@21000600 { + compatible = "ti,dm6441-spi"; + reg = <0x21000600 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi2: spi@21000800 { + compatible = "ti,dm6441-spi"; + reg = <0x21000800 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index cf7aeaf89e9..1335b2e1bed 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -13,6 +13,7 @@ cpu@0 { device_type = "cpu"; compatible = "marvell,feroceon"; + reg = <0>; clocks = <&core_clk 1>, <&core_clk 3>, <&gate_clk 11>; clock-names = "cpu_clk", "ddrclk", "powersave"; }; @@ -167,7 +168,7 @@ xor@60900 { compatible = "marvell,orion-xor"; reg = <0x60900 0x100 - 0xd0B00 0x100>; + 0x60B00 0x100>; status = "okay"; clocks = <&gate_clk 16>; diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi index bbeb623fc2c..27ed9f5144b 100644 --- a/arch/arm/boot/dts/prima2.dtsi +++ b/arch/arm/boot/dts/prima2.dtsi @@ -171,7 +171,8 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges = <0xb0000000 0xb0000000 0x180000>; + ranges = <0xb0000000 0xb0000000 0x180000>, + <0x56000000 0x56000000 0x1b00000>; timer@b0020000 { compatible = "sirf,prima2-tick"; @@ -196,25 +197,32 @@ uart0: uart@b0050000 { cell-index = <0>; compatible = "sirf,prima2-uart"; - reg = <0xb0050000 0x10000>; + reg = <0xb0050000 0x1000>; interrupts = <17>; + fifosize = <128>; clocks = <&clks 13>; + sirf,uart-dma-rx-channel = <21>; + sirf,uart-dma-tx-channel = <2>; }; uart1: uart@b0060000 { cell-index = <1>; compatible = "sirf,prima2-uart"; - reg = <0xb0060000 0x10000>; + reg = <0xb0060000 0x1000>; interrupts = <18>; + fifosize = <32>; clocks = <&clks 14>; }; uart2: uart@b0070000 { cell-index = <2>; compatible = "sirf,prima2-uart"; - reg = <0xb0070000 0x10000>; + reg = <0xb0070000 0x1000>; interrupts = <19>; + fifosize = <128>; clocks = <&clks 15>; + sirf,uart-dma-rx-channel = <6>; + sirf,uart-dma-tx-channel = <7>; }; usp0: usp@b0080000 { @@ -222,7 +230,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0080000 0x10000>; interrupts = <20>; + fifosize = <128>; clocks = <&clks 28>; + sirf,usp-dma-rx-channel = <17>; + sirf,usp-dma-tx-channel = <18>; }; usp1: usp@b0090000 { @@ -230,7 +241,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0090000 0x10000>; interrupts = <21>; + fifosize = <128>; clocks = <&clks 29>; + sirf,usp-dma-rx-channel = <14>; + sirf,usp-dma-tx-channel = <15>; }; usp2: usp@b00a0000 { @@ -238,7 +252,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb00a0000 0x10000>; interrupts = <22>; + fifosize = <128>; clocks = <&clks 30>; + sirf,usp-dma-rx-channel = <10>; + sirf,usp-dma-tx-channel = <11>; }; dmac0: dma-controller@b00b0000 { @@ -261,6 +278,8 @@ compatible = "sirf,prima2-vip"; reg = <0xb00C0000 0x10000>; clocks = <&clks 31>; + interrupts = <14>; + sirf,vip-dma-rx-channel = <16>; }; spi0: spi@b00d0000 { diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi new file mode 100644 index 00000000000..46b82aa7dc4 --- /dev/null +++ b/arch/arm/boot/dts/r7s72100.dtsi @@ -0,0 +1,36 @@ +/* + * Device Tree Source for the r7s72100 SoC + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r7s72100"; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0>; + }; + }; + + gic: interrupt-controller@e8201000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0xe8201000 0x1000>, + <0xe8202000 0x1000>; + }; +}; diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi index 6c26caa880f..658fcc53757 100644 --- a/arch/arm/boot/dts/r8a73a4.dtsi +++ b/arch/arm/boot/dts/r8a73a4.dtsi @@ -193,7 +193,7 @@ }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee100000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 165 4>; @@ -202,7 +202,7 @@ }; sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee120000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 166 4>; @@ -211,7 +211,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee140000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 167 4>; diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index 45ac404ab6d..3577aba8258 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -96,6 +96,5 @@ pfc: pfc@fffc0000 { compatible = "renesas,pfc-r8a7778"; reg = <0xfffc000 0x118>; - #gpio-range-cells = <3>; }; }; diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi index 23a62447359..ebbe507fcbf 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -188,7 +188,6 @@ pfc: pfc@fffc0000 { compatible = "renesas,pfc-r8a7779"; reg = <0xfffc0000 0x23c>; - #gpio-range-cells = <3>; }; thermal@ffc48000 { diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 3b879e7c697..413b4c29e78 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -148,11 +148,10 @@ pfc: pfc@e6060000 { compatible = "renesas,pfc-r8a7790"; reg = <0 0xe6060000 0 0x250>; - #gpio-range-cells = <3>; }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee100000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 165 4>; @@ -161,7 +160,7 @@ }; sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee120000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 166 4>; @@ -170,7 +169,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee140000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 167 4>; @@ -179,7 +178,7 @@ }; sdhi3: sdhi@ee160000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee160000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 168 4>; diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi new file mode 100644 index 00000000000..bbed43bd9be --- /dev/null +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -0,0 +1,41 @@ +/* + * Device Tree Source for the r8a7791 SoC + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r8a7791"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0>; + clock-frequency = <1300000000>; + }; + }; + + gic: interrupt-controller@f1001000 { + compatible = "arm,cortex-a15-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0 0xf1001000 0 0x1000>, + <0 0xf1002000 0 0x1000>, + <0 0xf1004000 0 0x2000>, + <0 0xf1006000 0 0x2000>; + interrupts = <1 9 0xf04>; + }; +}; diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index ba59a5875a1..3955c7606a6 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -196,7 +196,7 @@ }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee100000 0x100>; interrupt-parent = <&gic>; interrupts = <0 83 4 @@ -208,7 +208,7 @@ /* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */ sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee120000 0x100>; interrupt-parent = <&gic>; interrupts = <0 88 4 @@ -219,7 +219,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee140000 0x100>; interrupt-parent = <&gic>; interrupts = <0 104 4 diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 117f955a2a0..8e1a0245907 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -269,6 +269,11 @@ static const struct edmacc_param dummy_paramset = { .ccnt = 1, }; +static const struct of_device_id edma_of_ids[] = { + { .compatible = "ti,edma3", }, + {} +}; + /*****************************************************************************/ static void map_dmach_queue(unsigned ctlr, unsigned ch_no, @@ -560,14 +565,38 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id, static int prepare_unused_channel_list(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev); - int i, ctlr; + int i, count, ctlr; + struct of_phandle_args dma_spec; + if (dev->of_node) { + count = of_property_count_strings(dev->of_node, "dma-names"); + if (count < 0) + return 0; + for (i = 0; i < count; i++) { + if (of_parse_phandle_with_args(dev->of_node, "dmas", + "#dma-cells", i, + &dma_spec)) + continue; + + if (!of_match_node(edma_of_ids, dma_spec.np)) { + of_node_put(dma_spec.np); + continue; + } + + clear_bit(EDMA_CHAN_SLOT(dma_spec.args[0]), + edma_cc[0]->edma_unused); + of_node_put(dma_spec.np); + } + return 0; + } + + /* For non-OF case */ for (i = 0; i < pdev->num_resources; i++) { if ((pdev->resource[i].flags & IORESOURCE_DMA) && (int)pdev->resource[i].start >= 0) { ctlr = EDMA_CTLR(pdev->resource[i].start); clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start), - edma_cc[ctlr]->edma_unused); + edma_cc[ctlr]->edma_unused); } } @@ -1762,11 +1791,6 @@ static int edma_probe(struct platform_device *pdev) return 0; } -static const struct of_device_id edma_of_ids[] = { - { .compatible = "ti,edma3", }, - {} -}; - static struct platform_driver edma_driver = { .driver = { .name = "edma", diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index a8314c3ee84..5bae1955759 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -1,15 +1,17 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y -CONFIG_TINY_RCU=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y +CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_AP=y CONFIG_ARCH_INTEGRATOR_CP=y +CONFIG_INTEGRATOR_IMPD1=y CONFIG_CPU_ARM720T=y CONFIG_CPU_ARM920T=y CONFIG_CPU_ARM922T=y @@ -18,12 +20,9 @@ CONFIG_CPU_ARM1020=y CONFIG_CPU_ARM1022=y CONFIG_CPU_ARM1026=y CONFIG_PCI=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT=y CONFIG_AEABI=y -CONFIG_LEDS=y -CONFIG_LEDS_CPU=y +# CONFIG_ATAGS is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp" @@ -44,24 +43,20 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_PHYSMAP=y +CONFIG_PROC_DEVICETREE=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -CONFIG_NET_PCI=y CONFIG_E100=y CONFIG_SMC91X=y # CONFIG_KEYBOARD_ATKBD is not set # CONFIG_SERIO_SERPORT is not set -CONFIG_SERIAL_AMBA_PL010=y -CONFIG_SERIAL_AMBA_PL010_CONSOLE=y CONFIG_FB=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_ARMCLCD=y @@ -71,19 +66,23 @@ CONFIG_FB_MATROX_MYSTIQUE=y # CONFIG_VGA_CONSOLE is not set CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PL030=y +CONFIG_COMMON_CLK_DEBUG=y CONFIG_EXT2_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y CONFIG_CRAMFS=y CONFIG_NFS_FS=y -CONFIG_NFS_V3=y CONFIG_ROOT_NFS=y CONFIG_NFSD=y CONFIG_NFSD_V3=y -CONFIG_PARTITION_ADVANCED=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig index 1f36b823905..9943e5da74f 100644 --- a/arch/arm/configs/keystone_defconfig +++ b/arch/arm/configs/keystone_defconfig @@ -123,7 +123,9 @@ CONFIG_SERIAL_OF_PLATFORM=y CONFIG_I2C=y # CONFIG_I2C_COMPAT is not set CONFIG_I2C_CHARDEV=y +CONFIG_I2C_DAVINCI=y CONFIG_SPI=y +CONFIG_SPI_DAVINCI=y CONFIG_SPI_SPIDEV=y # CONFIG_HWMON is not set CONFIG_WATCHDOG=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index f3935b46df2..119fc378fc5 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -135,6 +135,7 @@ CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SDHCI_ESDHC_IMX=y CONFIG_MMC_SDHCI_TEGRA=y CONFIG_MMC_SDHCI_SPEAR=y CONFIG_MMC_OMAP=y diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig new file mode 100644 index 00000000000..d57a85badb5 --- /dev/null +++ b/arch/arm/configs/sunxi_defconfig @@ -0,0 +1,61 @@ +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_SUNXI=y +CONFIG_SMP=y +CONFIG_AEABI=y +CONFIG_HIGHMEM=y +CONFIG_HIGHPTE=y +CONFIG_VFP=y +CONFIG_NEON=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_IPV6 is not set +# CONFIG_WIRELESS is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_NETDEVICES=y +CONFIG_SUN4I_EMAC=y +# CONFIG_NET_CADENCE is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CIRRUS is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SMSC is not set +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_WIZNET is not set +# CONFIG_WLAN is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=8 +CONFIG_SERIAL_8250_RUNTIME_UARTS=8 +CONFIG_SERIAL_8250_DW=y +CONFIG_I2C=y +# CONFIG_I2C_COMPAT is not set +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_MV64XXX=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_SUNXI_WATCHDOG=y +# CONFIG_USB_SUPPORT is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y +CONFIG_COMMON_CLK_DEBUG=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_NLS=y diff --git a/arch/arm/crypto/aes-armv4.S b/arch/arm/crypto/aes-armv4.S index 19d6cd6f29f..3a14ea8fe97 100644 --- a/arch/arm/crypto/aes-armv4.S +++ b/arch/arm/crypto/aes-armv4.S @@ -148,7 +148,7 @@ AES_Te: @ const AES_KEY *key) { .align 5 ENTRY(AES_encrypt) - sub r3,pc,#8 @ AES_encrypt + adr r3,AES_encrypt stmdb sp!,{r1,r4-r12,lr} mov r12,r0 @ inp mov r11,r2 @@ -381,7 +381,7 @@ _armv4_AES_encrypt: .align 5 ENTRY(private_AES_set_encrypt_key) _armv4_AES_set_encrypt_key: - sub r3,pc,#8 @ AES_set_encrypt_key + adr r3,_armv4_AES_set_encrypt_key teq r0,#0 moveq r0,#-1 beq .Labrt @@ -843,7 +843,7 @@ AES_Td: @ const AES_KEY *key) { .align 5 ENTRY(AES_decrypt) - sub r3,pc,#8 @ AES_decrypt + adr r3,AES_decrypt stmdb sp!,{r1,r4-r12,lr} mov r12,r0 @ inp mov r11,r2 diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 7e1f76027f6..72abdc541f3 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -19,6 +19,13 @@ #include <asm/unified.h> #include <asm/compiler.h> +#if __LINUX_ARM_ARCH__ < 6 +#include <asm-generic/uaccess-unaligned.h> +#else +#define __get_user_unaligned __get_user +#define __put_user_unaligned __put_user +#endif + #define VERIFY_READ 0 #define VERIFY_WRITE 1 diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 74ad15d1a06..bc6bd9683ba 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -442,10 +442,10 @@ local_restart: ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine add r1, sp, #S_OFF - cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE) +2: cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE) eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back bcs arm_syscall -2: mov why, #0 @ no longer a real syscall + mov why, #0 @ no longer a real syscall b sys_ni_syscall @ not private func #if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI) diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index de23a9beed1..39f89fbd511 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -329,10 +329,10 @@ #ifdef CONFIG_CONTEXT_TRACKING .if \save stmdb sp!, {r0-r3, ip, lr} - bl user_exit + bl context_tracking_user_exit ldmia sp!, {r0-r3, ip, lr} .else - bl user_exit + bl context_tracking_user_exit .endif #endif .endm @@ -341,10 +341,10 @@ #ifdef CONFIG_CONTEXT_TRACKING .if \save stmdb sp!, {r0-r3, ip, lr} - bl user_enter + bl context_tracking_user_enter ldmia sp!, {r0-r3, ip, lr} .else - bl user_enter + bl context_tracking_user_enter .endif #endif .endm diff --git a/arch/arm/kernel/psci_smp.c b/arch/arm/kernel/psci_smp.c index 70ded3fb42d..570a48cc3d6 100644 --- a/arch/arm/kernel/psci_smp.c +++ b/arch/arm/kernel/psci_smp.c @@ -14,7 +14,6 @@ */ #include <linux/init.h> -#include <linux/irqchip/arm-gic.h> #include <linux/smp.h> #include <linux/of.h> diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c index 71e08baee20..c02ba4af599 100644 --- a/arch/arm/kvm/reset.c +++ b/arch/arm/kvm/reset.c @@ -58,14 +58,14 @@ static const struct kvm_irq_level a15_vtimer_irq = { */ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) { - struct kvm_regs *cpu_reset; + struct kvm_regs *reset_regs; const struct kvm_irq_level *cpu_vtimer_irq; switch (vcpu->arch.target) { case KVM_ARM_TARGET_CORTEX_A15: if (vcpu->vcpu_id > a15_max_cpu_idx) return -EINVAL; - cpu_reset = &a15_regs_reset; + reset_regs = &a15_regs_reset; vcpu->arch.midr = read_cpuid_id(); cpu_vtimer_irq = &a15_vtimer_irq; break; @@ -74,7 +74,7 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) } /* Reset core registers */ - memcpy(&vcpu->arch.regs, cpu_reset, sizeof(vcpu->arch.regs)); + memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs)); /* Reset CP15 registers */ kvm_reset_coprocs(vcpu); diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 180b3024bec..f607deb40f4 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -93,7 +93,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id) static struct irqaction at91rm9200_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91rm9200_timer_interrupt, .irq = NR_IRQS_LEGACY + AT91_ID_SYS, }; diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 3a4bc2e1a65..bb392320a0d 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -171,7 +171,7 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id) static struct irqaction at91sam926x_pit_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91sam926x_pit_interrupt, .irq = NR_IRQS_LEGACY + AT91_ID_SYS, }; diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S index 721a1a34dd1..c40c1e2ef80 100644 --- a/arch/arm/mach-at91/at91sam9g45_reset.S +++ b/arch/arm/mach-at91/at91sam9g45_reset.S @@ -16,11 +16,17 @@ #include "at91_rstc.h" .arm +/* + * at91_ramc_base is an array void* + * init at NULL if only one DDR controler is present in or DT + */ .globl at91sam9g45_restart at91sam9g45_restart: ldr r5, =at91_ramc_base @ preload constants ldr r0, [r5] + ldr r5, [r5, #4] @ ddr1 + cmp r5, #0 ldr r4, =at91_rstc_base ldr r1, [r4] @@ -30,6 +36,8 @@ at91sam9g45_restart: .balign 32 @ align to cache line + strne r2, [r5, #AT91_DDRSDRC_RTR] @ disable DDR1 access + strne r3, [r5, #AT91_DDRSDRC_LPR] @ power down DDR1 str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0 str r4, [r1, #AT91_RSTC_CR] @ reset processor diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c index 2919eba41ff..c0e637adf65 100644 --- a/arch/arm/mach-at91/at91x40_time.c +++ b/arch/arm/mach-at91/at91x40_time.c @@ -57,7 +57,7 @@ static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id) static struct irqaction at91x40_timer_irq = { .name = "at91_tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = at91x40_timer_interrupt }; diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index c4bdc0a1c36..30a44e2df47 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -74,7 +74,7 @@ static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) if (handler != NULL) { da830_evm_usb_ocic_handler = handler; - error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | + error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 92b7f770615..4078ba93776 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -176,7 +176,7 @@ static struct at24_platform_data eeprom_info = { .context = (void *)0x7f00, }; -static struct snd_platform_data dm365_evm_snd_data = { +static struct snd_platform_data dm365_evm_snd_data __maybe_unused = { .asp_chan_q = EVENTQ_3, }; diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index ab98c75cabb..e0de2da41b5 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -211,7 +211,7 @@ static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler) hawk_usb_ocic_handler = handler; error = request_irq(irq, omapl138_hawk_usb_ocic_irq, - IRQF_DISABLED | IRQF_TRIGGER_RISING | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index 52b8571b2e7..ce402cd21fa 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -15,8 +15,6 @@ #include <mach/hardware.h> -#include <linux/platform_device.h> - #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) @@ -39,6 +37,8 @@ #define UART_DM646X_SCR_TX_WATERMARK 0x08 #ifndef __ASSEMBLY__ +#include <linux/platform_device.h> + extern int davinci_serial_init(struct platform_device *); #endif diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 7a55b5c9597..56c6eb5266a 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -181,7 +181,7 @@ static struct timer_s timers[] = { .name = "clockevent", .opts = TIMER_OPTS_DISABLED, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = timer_interrupt, } }, @@ -190,7 +190,7 @@ static struct timer_s timers[] = { .period = ~0, .opts = TIMER_OPTS_PERIODIC, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = freerun_interrupt, } }, @@ -331,7 +331,6 @@ static void davinci_set_mode(enum clock_event_mode mode, static struct clock_event_device clockevent_davinci = { .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .shift = 32, .set_next_event = davinci_set_next_event, .set_mode = davinci_set_mode, }; @@ -397,14 +396,10 @@ void __init davinci_timer_init(void) /* setup clockevent */ clockevent_davinci.name = id_to_name[timers[TID_CLOCKEVENT].id]; - clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC, - clockevent_davinci.shift); - clockevent_davinci.max_delta_ns = - clockevent_delta2ns(0xfffffffe, &clockevent_davinci); - clockevent_davinci.min_delta_ns = 50000; /* 50 usec */ clockevent_davinci.cpumask = cpumask_of(0); - clockevents_register_device(&clockevent_davinci); + clockevents_config_and_register(&clockevent_davinci, + davinci_clock_tick_rate, 1, 0xfffffffe); for (i=0; i< ARRAY_SIZE(timers); i++) timer32_config(&timers[i]); diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index 8e8437dea3c..965623de354 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -10,6 +10,7 @@ config ARCH_HIGHBANK select ARM_ERRATA_775420 select ARM_ERRATA_798181 select ARM_GIC + select ARM_PSCI select ARM_TIMER_SP804 select CACHE_L2X0 select CLKDEV_LOOKUP diff --git a/arch/arm/mach-highbank/Makefile b/arch/arm/mach-highbank/Makefile index 8a1ef576d79..55840f414d3 100644 --- a/arch/arm/mach-highbank/Makefile +++ b/arch/arm/mach-highbank/Makefile @@ -3,6 +3,4 @@ obj-y := highbank.o system.o smc.o plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) -obj-$(CONFIG_SMP) += platsmp.o -obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_PM_SLEEP) += pm.o diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h index aea1ec5ab6f..7ec5edcd133 100644 --- a/arch/arm/mach-highbank/core.h +++ b/arch/arm/mach-highbank/core.h @@ -3,7 +3,6 @@ #include <linux/reboot.h> -extern void highbank_set_cpu_jump(int cpu, void *jump_addr); extern void highbank_restart(enum reboot_mode, const char *); extern void __iomem *scu_base_addr; @@ -14,8 +13,5 @@ static inline void highbank_pm_init(void) {} #endif extern void highbank_smc1(int fn, int arg); -extern void highbank_cpu_die(unsigned int cpu); - -extern struct smp_operations highbank_smp_ops; #endif diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index e6d6eacea9d..b3d7e5634b8 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -24,10 +24,9 @@ #include <linux/of_platform.h> #include <linux/of_address.h> #include <linux/amba/bus.h> +#include <linux/platform_device.h> -#include <asm/cacheflush.h> -#include <asm/cputype.h> -#include <asm/smp_plat.h> +#include <asm/psci.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -48,17 +47,6 @@ static void __init highbank_scu_map_io(void) scu_base_addr = ioremap(base, SZ_4K); } -#define HB_JUMP_TABLE_PHYS(cpu) (0x40 + (0x10 * (cpu))) -#define HB_JUMP_TABLE_VIRT(cpu) phys_to_virt(HB_JUMP_TABLE_PHYS(cpu)) - -void highbank_set_cpu_jump(int cpu, void *jump_addr) -{ - cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0); - writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu)); - __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16); - outer_clean_range(HB_JUMP_TABLE_PHYS(cpu), - HB_JUMP_TABLE_PHYS(cpu) + 15); -} static void highbank_l2x0_disable(void) { @@ -138,6 +126,10 @@ static struct notifier_block highbank_platform_nb = { .notifier_call = highbank_platform_notifier, }; +static struct platform_device highbank_cpuidle_device = { + .name = "cpuidle-calxeda", +}; + static void __init highbank_init(void) { struct device_node *np; @@ -154,6 +146,9 @@ static void __init highbank_init(void) bus_register_notifier(&amba_bustype, &highbank_amba_nb); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + if (psci_ops.cpu_suspend) + platform_device_register(&highbank_cpuidle_device); } static const char *highbank_match[] __initconst = { @@ -166,7 +161,6 @@ DT_MACHINE_START(HIGHBANK, "Highbank") #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) .dma_zone_size = (4ULL * SZ_1G), #endif - .smp = smp_ops(highbank_smp_ops), .init_irq = highbank_init_irq, .init_machine = highbank_init, .dt_compat = highbank_match, diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c deleted file mode 100644 index a019e4e86e5..00000000000 --- a/arch/arm/mach-highbank/hotplug.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright 2011 Calxeda, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/kernel.h> -#include <asm/cacheflush.h> - -#include "core.h" -#include "sysregs.h" - -extern void secondary_startup(void); - -/* - * platform-specific code to shutdown a CPU - * - */ -void __ref highbank_cpu_die(unsigned int cpu) -{ - highbank_set_cpu_jump(cpu, phys_to_virt(0)); - - flush_cache_louis(); - highbank_set_core_pwr(); - - while (1) - cpu_do_idle(); -} diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c deleted file mode 100644 index 32d75cf55cb..00000000000 --- a/arch/arm/mach-highbank/platsmp.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2010-2011 Calxeda, Inc. - * Based on platsmp.c, Copyright (C) 2002 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/io.h> - -#include <asm/smp_scu.h> - -#include "core.h" - -extern void secondary_startup(void); - -static int highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - highbank_set_cpu_jump(cpu, secondary_startup); - arch_send_wakeup_ipi_mask(cpumask_of(cpu)); - return 0; -} - -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ -static void __init highbank_smp_init_cpus(void) -{ - unsigned int i, ncores = 4; - - /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "highbank: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - -static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) -{ - if (scu_base_addr) - scu_enable(scu_base_addr); -} - -struct smp_operations highbank_smp_ops __initdata = { - .smp_init_cpus = highbank_smp_init_cpus, - .smp_prepare_cpus = highbank_smp_prepare_cpus, - .smp_boot_secondary = highbank_boot_secondary, -#ifdef CONFIG_HOTPLUG_CPU - .cpu_die = highbank_cpu_die, -#endif -}; diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index 04eddb4f438..7f2bd85eb93 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c @@ -16,27 +16,19 @@ #include <linux/cpu_pm.h> #include <linux/init.h> -#include <linux/io.h> #include <linux/suspend.h> -#include <asm/cacheflush.h> -#include <asm/proc-fns.h> #include <asm/suspend.h> - -#include "core.h" -#include "sysregs.h" +#include <asm/psci.h> static int highbank_suspend_finish(unsigned long val) { - outer_flush_all(); - outer_disable(); - - highbank_set_pwr_suspend(); - - cpu_do_idle(); + const struct psci_power_state ps = { + .type = PSCI_POWER_STATE_TYPE_POWER_DOWN, + .affinity_level = 1, + }; - highbank_clear_pwr_request(); - return 0; + return psci_ops.cpu_suspend(ps, __pa(cpu_resume)); } static int highbank_pm_enter(suspend_state_t state) @@ -44,15 +36,11 @@ static int highbank_pm_enter(suspend_state_t state) cpu_pm_enter(); cpu_cluster_pm_enter(); - highbank_set_cpu_jump(0, cpu_resume); cpu_suspend(0, highbank_suspend_finish); cpu_cluster_pm_exit(); cpu_pm_exit(); - highbank_smc1(0x102, 0x1); - if (scu_base_addr) - scu_enable(scu_base_addr); return 0; } @@ -63,5 +51,8 @@ static const struct platform_suspend_ops highbank_pm_ops = { void __init highbank_pm_init(void) { + if (!psci_ops.cpu_suspend) + return; + suspend_set_ops(&highbank_pm_ops); } diff --git a/arch/arm/mach-integrator/include/mach/cm.h b/arch/arm/mach-integrator/cm.h index 202e6a57f10..4ecff7bff48 100644 --- a/arch/arm/mach-integrator/include/mach/cm.h +++ b/arch/arm/mach-integrator/cm.h @@ -1,9 +1,12 @@ /* - * update the core module control register. + * access the core module control register. */ +u32 cm_get(void); void cm_control(u32, u32); -#define CM_CTRL __io_address(INTEGRATOR_HDR_CTRL) +struct device_node; +void cm_init(void); +void cm_clear_irqs(void); #define CM_CTRL_LED (1 << 0) #define CM_CTRL_nMBDET (1 << 1) diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 4cdfd736592..00ddf20ed91 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -22,77 +22,30 @@ #include <linux/amba/serial.h> #include <linux/io.h> #include <linux/stat.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/cm.h> -#include <mach/irqs.h> #include <asm/mach-types.h> #include <asm/mach/time.h> #include <asm/pgtable.h> +#include "cm.h" #include "common.h" -#ifdef CONFIG_ATAGS - -#define INTEGRATOR_RTC_IRQ { IRQ_RTCINT } -#define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 } -#define INTEGRATOR_UART1_IRQ { IRQ_UARTINT1 } -#define KMI0_IRQ { IRQ_KMIINT0 } -#define KMI1_IRQ { IRQ_KMIINT1 } - -static AMBA_APB_DEVICE(rtc, "rtc", 0, - INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL); - -static AMBA_APB_DEVICE(uart0, "uart0", 0, - INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, NULL); - -static AMBA_APB_DEVICE(uart1, "uart1", 0, - INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, NULL); - -static AMBA_APB_DEVICE(kmi0, "kmi0", 0, KMI0_BASE, KMI0_IRQ, NULL); -static AMBA_APB_DEVICE(kmi1, "kmi1", 0, KMI1_BASE, KMI1_IRQ, NULL); - -static struct amba_device *amba_devs[] __initdata = { - &rtc_device, - &uart0_device, - &uart1_device, - &kmi0_device, - &kmi1_device, -}; +static DEFINE_RAW_SPINLOCK(cm_lock); +static void __iomem *cm_base; -int __init integrator_init(bool is_cp) +/** + * cm_get - get the value from the CM_CTRL register + */ +u32 cm_get(void) { - int i; - - /* - * The Integrator/AP lacks necessary AMBA PrimeCell IDs, so we need to - * hard-code them. The Integator/CP and forward have proper cell IDs. - * Else we leave them undefined to the bus driver can autoprobe them. - */ - if (!is_cp && IS_ENABLED(CONFIG_ARCH_INTEGRATOR_AP)) { - rtc_device.periphid = 0x00041030; - uart0_device.periphid = 0x00041010; - uart1_device.periphid = 0x00041010; - kmi0_device.periphid = 0x00041050; - kmi1_device.periphid = 0x00041050; - uart0_device.dev.platform_data = &ap_uart_data; - uart1_device.dev.platform_data = &ap_uart_data; - } - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - - return 0; + return readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET); } -#endif - -static DEFINE_RAW_SPINLOCK(cm_lock); - /** * cm_control - update the CM_CTRL register. * @mask: bits to change @@ -104,12 +57,80 @@ void cm_control(u32 mask, u32 set) u32 val; raw_spin_lock_irqsave(&cm_lock, flags); - val = readl(CM_CTRL) & ~mask; - writel(val | set, CM_CTRL); + val = readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET) & ~mask; + writel(val | set, cm_base + INTEGRATOR_HDR_CTRL_OFFSET); raw_spin_unlock_irqrestore(&cm_lock, flags); } -EXPORT_SYMBOL(cm_control); +static const char *integrator_arch_str(u32 id) +{ + switch ((id >> 16) & 0xff) { + case 0x00: + return "ASB little-endian"; + case 0x01: + return "AHB little-endian"; + case 0x03: + return "AHB-Lite system bus, bi-endian"; + case 0x04: + return "AHB"; + case 0x08: + return "AHB system bus, ASB processor bus"; + default: + return "Unknown"; + } +} + +static const char *integrator_fpga_str(u32 id) +{ + switch ((id >> 12) & 0xf) { + case 0x01: + return "XC4062"; + case 0x02: + return "XC4085"; + case 0x03: + return "XVC600"; + case 0x04: + return "EPM7256AE (Altera PLD)"; + default: + return "Unknown"; + } +} + +void cm_clear_irqs(void) +{ + /* disable core module IRQs */ + writel(0xffffffffU, cm_base + INTEGRATOR_HDR_IC_OFFSET + + IRQ_ENABLE_CLEAR); +} + +static const struct of_device_id cm_match[] = { + { .compatible = "arm,core-module-integrator"}, + { }, +}; + +void cm_init(void) +{ + struct device_node *cm = of_find_matching_node(NULL, cm_match); + u32 val; + + if (!cm) { + pr_crit("no core module node found in device tree\n"); + return; + } + cm_base = of_iomap(cm, 0); + if (!cm_base) { + pr_crit("could not remap core module\n"); + return; + } + cm_clear_irqs(); + val = readl(cm_base + INTEGRATOR_HDR_ID_OFFSET); + pr_info("Detected ARM core module:\n"); + pr_info(" Manufacturer: %02x\n", (val >> 24)); + pr_info(" Architecture: %s\n", integrator_arch_str(val)); + pr_info(" FPGA: %s\n", integrator_fpga_str(val)); + pr_info(" Build: %02x\n", (val >> 4) & 0xFF); + pr_info(" Rev: %c\n", ('A' + (val & 0x03))); +} /* * We need to stop things allocating the low memory; ideally we need a @@ -145,27 +166,7 @@ static ssize_t intcp_get_arch(struct device *dev, struct device_attribute *attr, char *buf) { - const char *arch; - - switch ((integrator_id >> 16) & 0xff) { - case 0x00: - arch = "ASB little-endian"; - break; - case 0x01: - arch = "AHB little-endian"; - break; - case 0x03: - arch = "AHB-Lite system bus, bi-endian"; - break; - case 0x04: - arch = "AHB"; - break; - default: - arch = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", arch); + return sprintf(buf, "%s\n", integrator_arch_str(integrator_id)); } static struct device_attribute intcp_arch_attr = @@ -175,24 +176,7 @@ static ssize_t intcp_get_fpga(struct device *dev, struct device_attribute *attr, char *buf) { - const char *fpga; - - switch ((integrator_id >> 12) & 0xf) { - case 0x01: - fpga = "XC4062"; - break; - case 0x02: - fpga = "XC4085"; - break; - case 0x04: - fpga = "EPM7256AE (Altera PLD)"; - break; - default: - fpga = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", fpga); + return sprintf(buf, "%s\n", integrator_fpga_str(integrator_id)); } static struct device_attribute intcp_fpga_attr = diff --git a/arch/arm/mach-integrator/include/mach/irqs.h b/arch/arm/mach-integrator/include/mach/irqs.h deleted file mode 100644 index eff0adad9ae..00000000000 --- a/arch/arm/mach-integrator/include/mach/irqs.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * arch/arm/mach-integrator/include/mach/irqs.h - * - * Copyright (C) 1999 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * Interrupt numbers, all of the above are just static reservations - * used so they can be encoded into device resources. They will finally - * be done away with when switching to device tree. - */ -#define IRQ_PIC_START 64 -#define IRQ_SOFTINT (IRQ_PIC_START+0) -#define IRQ_UARTINT0 (IRQ_PIC_START+1) -#define IRQ_UARTINT1 (IRQ_PIC_START+2) -#define IRQ_KMIINT0 (IRQ_PIC_START+3) -#define IRQ_KMIINT1 (IRQ_PIC_START+4) -#define IRQ_TIMERINT0 (IRQ_PIC_START+5) -#define IRQ_TIMERINT1 (IRQ_PIC_START+6) -#define IRQ_TIMERINT2 (IRQ_PIC_START+7) -#define IRQ_RTCINT (IRQ_PIC_START+8) -#define IRQ_AP_EXPINT0 (IRQ_PIC_START+9) -#define IRQ_AP_EXPINT1 (IRQ_PIC_START+10) -#define IRQ_AP_EXPINT2 (IRQ_PIC_START+11) -#define IRQ_AP_EXPINT3 (IRQ_PIC_START+12) -#define IRQ_AP_PCIINT0 (IRQ_PIC_START+13) -#define IRQ_AP_PCIINT1 (IRQ_PIC_START+14) -#define IRQ_AP_PCIINT2 (IRQ_PIC_START+15) -#define IRQ_AP_PCIINT3 (IRQ_PIC_START+16) -#define IRQ_AP_V3INT (IRQ_PIC_START+17) -#define IRQ_AP_CPINT0 (IRQ_PIC_START+18) -#define IRQ_AP_CPINT1 (IRQ_PIC_START+19) -#define IRQ_AP_LBUSTIMEOUT (IRQ_PIC_START+20) -#define IRQ_AP_APCINT (IRQ_PIC_START+21) -#define IRQ_CP_CLCDCINT (IRQ_PIC_START+22) -#define IRQ_CP_MMCIINT0 (IRQ_PIC_START+23) -#define IRQ_CP_MMCIINT1 (IRQ_PIC_START+24) -#define IRQ_CP_AACIINT (IRQ_PIC_START+25) -#define IRQ_CP_CPPLDINT (IRQ_PIC_START+26) -#define IRQ_CP_ETHINT (IRQ_PIC_START+27) -#define IRQ_CP_TSPENINT (IRQ_PIC_START+28) -#define IRQ_PIC_END (IRQ_PIC_START+28) - -#define IRQ_CIC_START (IRQ_PIC_END+1) -#define IRQ_CM_SOFTINT (IRQ_CIC_START+0) -#define IRQ_CM_COMMRX (IRQ_CIC_START+1) -#define IRQ_CM_COMMTX (IRQ_CIC_START+2) -#define IRQ_CIC_END (IRQ_CIC_START+2) - -/* - * IntegratorCP only - */ -#define IRQ_SIC_START (IRQ_CIC_END+1) -#define IRQ_SIC_CP_SOFTINT (IRQ_SIC_START+0) -#define IRQ_SIC_CP_RI0 (IRQ_SIC_START+1) -#define IRQ_SIC_CP_RI1 (IRQ_SIC_START+2) -#define IRQ_SIC_CP_CARDIN (IRQ_SIC_START+3) -#define IRQ_SIC_CP_LMINT0 (IRQ_SIC_START+4) -#define IRQ_SIC_CP_LMINT1 (IRQ_SIC_START+5) -#define IRQ_SIC_CP_LMINT2 (IRQ_SIC_START+6) -#define IRQ_SIC_CP_LMINT3 (IRQ_SIC_START+7) -#define IRQ_SIC_CP_LMINT4 (IRQ_SIC_START+8) -#define IRQ_SIC_CP_LMINT5 (IRQ_SIC_START+9) -#define IRQ_SIC_CP_LMINT6 (IRQ_SIC_START+10) -#define IRQ_SIC_CP_LMINT7 (IRQ_SIC_START+11) -#define IRQ_SIC_END (IRQ_SIC_START+11) diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index d9e95e612fc..d50dc2dbfd8 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -51,13 +51,13 @@ #include <asm/mach-types.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> #include <asm/mach/map.h> #include <asm/mach/time.h> +#include "cm.h" #include "common.h" #include "pci_v3.h" @@ -146,7 +146,7 @@ static int irq_suspend(void) static void irq_resume(void) { /* disable all irq sources */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_clear_irqs(); writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); @@ -402,8 +402,6 @@ void __init ap_init_early(void) { } -#ifdef CONFIG_OF - static void __init ap_of_timer_init(void) { struct device_node *node; @@ -450,8 +448,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init ap_init_irq_of(void) { - /* disable core module IRQs */ - writel(0xffffffffU, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(false); } @@ -473,6 +470,11 @@ static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id ap_syscon_match[] = { + { .compatible = "arm,integrator-ap-syscon"}, + { }, +}; + static void __init ap_init_of(void) { unsigned long sc_dec; @@ -489,7 +491,8 @@ static void __init ap_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - syscon = of_find_node_by_path("/syscon"); + + syscon = of_find_matching_node(root, ap_syscon_match); if (!syscon) return; @@ -541,7 +544,7 @@ static void __init ap_init_of(void) lmdev->resource.start = 0xc0000000 + 0x10000000 * i; lmdev->resource.end = lmdev->resource.start + 0x0fffffff; lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; + lmdev->irq = irq_of_parse_and_map(syscon, i); lmdev->id = i; lm_device_register(lmdev); @@ -564,136 +567,3 @@ DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)") .restart = integrator_restart, .dt_compat = ap_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc ap_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_SC_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_SC_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init ap_map_io_atag(void) -{ - iotable_init(ap_io_desc_atag, ARRAY_SIZE(ap_io_desc_atag)); - ap_map_io(); -} - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -static struct platform_device pci_v3_device = { - .name = "pci-v3", - .id = 0, -}; - -static struct resource cfi_flash_resource = { - .start = INTEGRATOR_FLASH_BASE, - .end = INTEGRATOR_FLASH_BASE + INTEGRATOR_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device cfi_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &ap_flash_data, - }, - .num_resources = 1, - .resource = &cfi_flash_resource, -}; - -static void __init ap_timer_init(void) -{ - struct clk *clk; - unsigned long rate; - - clk = clk_get_sys("ap_timer", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - rate = clk_get_rate(clk); - - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - integrator_clocksource_init(rate, (void __iomem *)TIMER2_VA_BASE); - integrator_clockevent_init(rate, (void __iomem *)TIMER1_VA_BASE, - IRQ_TIMERINT1); -} - -#define INTEGRATOR_SC_VALID_INT 0x003fffff - -static void __init ap_init_irq(void) -{ - /* Disable all interrupts initially. */ - /* Do the core module ones */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); - - /* do the header card stuff next */ - writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); - writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, - -1, INTEGRATOR_SC_VALID_INT, NULL); - integrator_clk_init(false); -} - -static void __init ap_init(void) -{ - unsigned long sc_dec; - int i; - - platform_device_register(&pci_v3_device); - platform_device_register(&cfi_flash_device); - - ap_syscon_base = __io_address(INTEGRATOR_SC_BASE); - sc_dec = readl(ap_syscon_base + INTEGRATOR_SC_DEC_OFFSET); - for (i = 0; i < 4; i++) { - struct lm_device *lmdev; - - if ((sc_dec & (16 << i)) == 0) - continue; - - lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); - if (!lmdev) - continue; - - lmdev->resource.start = 0xc0000000 + 0x10000000 * i; - lmdev->resource.end = lmdev->resource.start + 0x0fffffff; - lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; - lmdev->id = i; - - lm_device_register(lmdev); - } - - integrator_init(false); -} - -MACHINE_START(INTEGRATOR, "ARM-Integrator") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = ap_map_io_atag, - .init_early = ap_init_early, - .init_irq = ap_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = ap_timer_init, - .init_machine = ap_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 8c60fcb08a9..1df6e7602ca 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -36,9 +36,7 @@ #include <asm/hardware/arm_timer.h> #include <asm/hardware/icst.h> -#include <mach/cm.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> @@ -50,6 +48,7 @@ #include <plat/clcd.h> #include <plat/sched_clock.h> +#include "cm.h" #include "common.h" /* Base address to the CP controller */ @@ -249,7 +248,6 @@ static void __init intcp_init_early(void) #endif } -#ifdef CONFIG_OF static const struct of_device_id fpga_irq_of_match[] __initconst = { { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, { /* Sentinel */ } @@ -257,6 +255,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init intcp_init_irq_of(void) { + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(true); } @@ -287,6 +286,11 @@ static struct of_dev_auxdata intcp_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id intcp_syscon_match[] = { + { .compatible = "arm,integrator-cp-syscon"}, + { }, +}; + static void __init intcp_init_of(void) { struct device_node *root; @@ -301,7 +305,8 @@ static void __init intcp_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - cpcon = of_find_node_by_path("/cpcon"); + + cpcon = of_find_matching_node(root, intcp_syscon_match); if (!cpcon) return; @@ -354,175 +359,3 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") .restart = integrator_restart, .dt_compat = intcp_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc intcp_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_CP_CTL_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_CP_CTL_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init intcp_map_io_atag(void) -{ - iotable_init(intcp_io_desc_atag, ARRAY_SIZE(intcp_io_desc_atag)); - intcp_con_base = __io_address(INTEGRATOR_CP_CTL_BASE); - intcp_map_io(); -} - - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -#define INTCP_FLASH_SIZE SZ_32M - -static struct resource intcp_flash_resource = { - .start = INTCP_PA_FLASH_BASE, - .end = INTCP_PA_FLASH_BASE + INTCP_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device intcp_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &intcp_flash_data, - }, - .num_resources = 1, - .resource = &intcp_flash_resource, -}; - -#define INTCP_ETH_SIZE 0x10 - -static struct resource smc91x_resources[] = { - [0] = { - .start = INTEGRATOR_CP_ETH_BASE, - .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CP_ETHINT, - .end = IRQ_CP_ETHINT, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct platform_device *intcp_devs[] __initdata = { - &intcp_flash_device, - &smc91x_device, -}; - -#define INTCP_VA_CIC_BASE __io_address(INTEGRATOR_HDR_BASE + 0x40) -#define INTCP_VA_PIC_BASE __io_address(INTEGRATOR_IC_BASE) -#define INTCP_VA_SIC_BASE __io_address(INTEGRATOR_CP_SIC_BASE) - -static void __init intcp_init_irq(void) -{ - u32 pic_mask, cic_mask, sic_mask; - - /* These masks are for the HW IRQ registers */ - pic_mask = ~((~0u) << (11 - 0)); - pic_mask |= (~((~0u) << (29 - 22))) << 22; - cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); - sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); - - /* - * Disable all interrupt sources - */ - writel(0xffffffff, INTCP_VA_PIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_PIC_BASE + FIQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + FIQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, - -1, pic_mask, NULL); - - fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, - -1, cic_mask, NULL); - - fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, - IRQ_CP_CPPLDINT, sic_mask, NULL); - - integrator_clk_init(true); -} - -#define TIMER0_VA_BASE __io_address(INTEGRATOR_TIMER0_BASE) -#define TIMER1_VA_BASE __io_address(INTEGRATOR_TIMER1_BASE) -#define TIMER2_VA_BASE __io_address(INTEGRATOR_TIMER2_BASE) - -static void __init cp_timer_init(void) -{ - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - sp804_clocksource_init(TIMER2_VA_BASE, "timer2"); - sp804_clockevents_init(TIMER1_VA_BASE, IRQ_TIMERINT1, "timer1"); -} - -#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 } -#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT } - -static AMBA_APB_DEVICE(mmc, "mmci", 0, INTEGRATOR_CP_MMC_BASE, - INTEGRATOR_CP_MMC_IRQS, &mmc_data); - -static AMBA_APB_DEVICE(aaci, "aaci", 0, INTEGRATOR_CP_AACI_BASE, - INTEGRATOR_CP_AACI_IRQS, NULL); - -static AMBA_AHB_DEVICE(clcd, "clcd", 0, INTCP_PA_CLCD_BASE, - { IRQ_CP_CLCDCINT }, &clcd_data); - -static struct amba_device *amba_devs[] __initdata = { - &mmc_device, - &aaci_device, - &clcd_device, -}; - -static void __init intcp_init(void) -{ - int i; - - platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - integrator_init(true); -} - -MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = intcp_map_io_atag, - .init_early = intcp_init_early, - .init_irq = intcp_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = cp_timer_init, - .init_machine = intcp_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/leds.c b/arch/arm/mach-integrator/leds.c index 7a7f6d3273b..cb6ac58f5e0 100644 --- a/arch/arm/mach-integrator/leds.c +++ b/arch/arm/mach-integrator/leds.c @@ -11,10 +11,11 @@ #include <linux/slab.h> #include <linux/leds.h> -#include <mach/cm.h> #include <mach/hardware.h> #include <mach/platform.h> +#include "cm.h" + #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) #define ALPHA_REG __io_address(INTEGRATOR_DBG_BASE) @@ -78,7 +79,7 @@ static void cm_led_set(struct led_classdev *cdev, static enum led_brightness cm_led_get(struct led_classdev *cdev) { - u32 reg = readl(CM_CTRL); + u32 reg = cm_get(); return (reg & CM_CTRL_LED) ? LED_FULL : LED_OFF; } diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index bef100527c4..c9c5a33bc80 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -36,7 +36,6 @@ #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/irqs.h> #include <asm/mach/map.h> #include <asm/signal.h> @@ -605,7 +604,7 @@ v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) return 1; } -static irqreturn_t v3_irq(int dummy, void *devid) +static irqreturn_t v3_irq(int irq, void *devid) { #ifdef CONFIG_DEBUG_LL struct pt_regs *regs = get_irq_regs(); @@ -615,7 +614,7 @@ static irqreturn_t v3_irq(int dummy, void *devid) extern void printascii(const char *); sprintf(buf, "V3 int %d: pc=0x%08lx [%08lx] LBFADDR=%08x LBFCODE=%02x " - "ISTAT=%02x\n", IRQ_AP_V3INT, pc, instr, + "ISTAT=%02x\n", irq, pc, instr, __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFADDR_OFFSET), __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFCODE_OFFSET) & 255, v3_readb(V3_LB_ISTAT)); @@ -809,32 +808,6 @@ static u8 __init pci_v3_swizzle(struct pci_dev *dev, u8 *pinp) return pci_common_swizzle(dev, pinp); } -static int irq_tab[4] __initdata = { - IRQ_AP_PCIINT0, IRQ_AP_PCIINT1, IRQ_AP_PCIINT2, IRQ_AP_PCIINT3 -}; - -/* - * map the specified device/slot/pin to an IRQ. This works out such - * that slot 9 pin 1 is INT0, pin 2 is INT1, and slot 10 pin 1 is INT1. - */ -static int __init pci_v3_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int intnr = ((slot - 9) + (pin - 1)) & 3; - - return irq_tab[intnr]; -} - -static struct hw_pci pci_v3 __initdata = { - .swizzle = pci_v3_swizzle, - .setup = pci_v3_setup, - .nr_controllers = 1, - .ops = &pci_v3_ops, - .preinit = pci_v3_preinit, - .postinit = pci_v3_postinit, -}; - -#ifdef CONFIG_OF - static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) { struct of_irq oirq; @@ -851,14 +824,36 @@ static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) oirq.size); } -static int __init pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) +static struct hw_pci pci_v3 __initdata = { + .swizzle = pci_v3_swizzle, + .setup = pci_v3_setup, + .nr_controllers = 1, + .ops = &pci_v3_ops, + .preinit = pci_v3_preinit, + .postinit = pci_v3_postinit, +}; + +static int __init pci_v3_probe(struct platform_device *pdev) { + struct device_node *np = pdev->dev.of_node; struct of_pci_range_parser parser; struct of_pci_range range; struct resource *res; int irq, ret; + /* Remap the Integrator system controller */ + ap_syscon_base = devm_ioremap(&pdev->dev, INTEGRATOR_SC_BASE, 0x100); + if (!ap_syscon_base) { + dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); + return -ENODEV; + } + + /* Device tree probe path */ + if (!np) { + dev_err(&pdev->dev, "no device tree node for PCIv3\n"); + return -ENODEV; + } + if (of_pci_range_parser_init(&parser, np)) return -EINVAL; @@ -925,76 +920,6 @@ static int __init pci_v3_dtprobe(struct platform_device *pdev, return 0; } -#else - -static inline int pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) -{ - return -EINVAL; -} - -#endif - -static int __init pci_v3_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - int ret; - - /* Remap the Integrator system controller */ - ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); - if (!ap_syscon_base) { - dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); - return -ENODEV; - } - - /* Device tree probe path */ - if (np) - return pci_v3_dtprobe(pdev, np); - - pci_v3_base = devm_ioremap(&pdev->dev, PHYS_PCI_V3_BASE, SZ_64K); - if (!pci_v3_base) { - dev_err(&pdev->dev, "unable to remap PCIv3 base\n"); - return -ENODEV; - } - - ret = devm_request_irq(&pdev->dev, IRQ_AP_V3INT, v3_irq, 0, "V3", NULL); - if (ret) { - dev_err(&pdev->dev, "unable to grab PCI error interrupt: %d\n", - ret); - return -ENODEV; - } - - conf_mem.name = "PCIv3 config"; - conf_mem.start = PHYS_PCI_CONFIG_BASE; - conf_mem.end = PHYS_PCI_CONFIG_BASE + SZ_16M - 1; - conf_mem.flags = IORESOURCE_MEM; - - io_mem.name = "PCIv3 I/O"; - io_mem.start = PHYS_PCI_IO_BASE; - io_mem.end = PHYS_PCI_IO_BASE + SZ_16M - 1; - io_mem.flags = IORESOURCE_MEM; - - non_mem_pci = 0x00000000; - non_mem_pci_sz = SZ_256M; - non_mem.name = "PCIv3 non-prefetched mem"; - non_mem.start = PHYS_PCI_MEM_BASE; - non_mem.end = PHYS_PCI_MEM_BASE + SZ_256M - 1; - non_mem.flags = IORESOURCE_MEM; - - pre_mem_pci = 0x10000000; - pre_mem_pci_sz = SZ_256M; - pre_mem.name = "PCIv3 prefetched mem"; - pre_mem.start = PHYS_PCI_PRE_BASE + SZ_256M; - pre_mem.end = PHYS_PCI_PRE_BASE + SZ_256M - 1; - pre_mem.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; - - pci_v3.map_irq = pci_v3_map_irq; - - pci_common_init_dev(&pdev->dev, &pci_v3); - - return 0; -} - static const struct of_device_id pci_ids[] = { { .compatible = "v3,v360epc-pci", }, {}, diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h index 755fd29fed4..06a9e2e7d00 100644 --- a/arch/arm/mach-integrator/pci_v3.h +++ b/arch/arm/mach-integrator/pci_v3.h @@ -1,2 +1,9 @@ /* Simple oneliner include to the PCIv3 early init */ +#ifdef CONFIG_PCI extern int pci_v3_early_init(void); +#else +static inline int pci_v3_early_init(void) +{ + return 0; +} +#endif diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig index 366d1a3b418..f20c53e75ed 100644 --- a/arch/arm/mach-keystone/Kconfig +++ b/arch/arm/mach-keystone/Kconfig @@ -9,6 +9,8 @@ config ARCH_KEYSTONE select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_ERRATA_798181 if SMP + select COMMON_CLK_KEYSTONE + select TI_EDMA help Support for boards based on the Texas Instruments Keystone family of SoCs. diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile index ddc52b05dc8..25d92396fbf 100644 --- a/arch/arm/mach-keystone/Makefile +++ b/arch/arm/mach-keystone/Makefile @@ -4,3 +4,6 @@ plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) obj-$(CONFIG_SMP) += platsmp.o + +# PM domain driver for Keystone SOCs +obj-$(CONFIG_ARCH_KEYSTONE) += pm_domain.o diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c new file mode 100644 index 00000000000..29625232e95 --- /dev/null +++ b/arch/arm/mach-keystone/pm_domain.c @@ -0,0 +1,82 @@ +/* + * PM domain driver for Keystone2 devices + * + * Copyright 2013 Texas Instruments, Inc. + * Santosh Shilimkar <santosh.shillimkar@ti.com> + * + * Based on Kevins work on DAVINCI SOCs + * Kevin Hilman <khilman@linaro.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/pm_runtime.h> +#include <linux/pm_clock.h> +#include <linux/platform_device.h> +#include <linux/clk-provider.h> +#include <linux/of.h> + +#ifdef CONFIG_PM_RUNTIME +static int keystone_pm_runtime_suspend(struct device *dev) +{ + int ret; + + dev_dbg(dev, "%s\n", __func__); + + ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; + + ret = pm_clk_suspend(dev); + if (ret) { + pm_generic_runtime_resume(dev); + return ret; + } + + return 0; +} + +static int keystone_pm_runtime_resume(struct device *dev) +{ + dev_dbg(dev, "%s\n", __func__); + + pm_clk_resume(dev); + + return pm_generic_runtime_resume(dev); +} +#endif + +static struct dev_pm_domain keystone_pm_domain = { + .ops = { + SET_RUNTIME_PM_OPS(keystone_pm_runtime_suspend, + keystone_pm_runtime_resume, NULL) + USE_PLATFORM_PM_SLEEP_OPS + }, +}; + +static struct pm_clk_notifier_block platform_domain_notifier = { + .pm_domain = &keystone_pm_domain, +}; + +static struct of_device_id of_keystone_table[] = { + {.compatible = "ti,keystone"}, + { /* end of list */ }, +}; + +int __init keystone_pm_runtime_init(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, of_keystone_table); + if (!np) + return 0; + + of_clk_init(NULL); + pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); + + return 0; +} +subsys_initcall(keystone_pm_runtime_init); diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index d1f8e3d0793..144b5110293 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -1,5 +1,7 @@ obj-y += common.o pcie.o obj-$(CONFIG_KIRKWOOD_LEGACY) += irq.o mpp.o +obj-$(CONFIG_PM) += pm.o + obj-$(CONFIG_MACH_D2NET_V2) += d2net_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET2BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET5BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index a32a3e507a9..c9f6fd2d90f 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -13,6 +13,8 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_net.h> #include <linux/of_platform.h> #include <linux/clk-provider.h> #include <linux/dma-mapping.h> @@ -43,14 +45,6 @@ static void __init kirkwood_legacy_clk_init(void) clkspec.np = np; clkspec.args_count = 1; - clkspec.args[0] = CGC_BIT_PEX0; - orion_clkdev_add("0", "pcie", - of_clk_get_from_provider(&clkspec)); - - clkspec.args[0] = CGC_BIT_PEX1; - orion_clkdev_add("1", "pcie", - of_clk_get_from_provider(&clkspec)); - /* * The ethernet interfaces forget the MAC address assigned by * u-boot if the clocks are turned off. Until proper DT support @@ -65,11 +59,83 @@ static void __init kirkwood_legacy_clk_init(void) clk_prepare_enable(clk); } -static void __init kirkwood_dt_init_early(void) +#define MV643XX_ETH_MAC_ADDR_LOW 0x0414 +#define MV643XX_ETH_MAC_ADDR_HIGH 0x0418 + +static void __init kirkwood_dt_eth_fixup(void) { - mvebu_mbus_init("marvell,kirkwood-mbus", - BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, - DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ); + struct device_node *np; + + /* + * The ethernet interfaces forget the MAC address assigned by u-boot + * if the clocks are turned off. Usually, u-boot on kirkwood boards + * has no DT support to properly set local-mac-address property. + * As a workaround, we get the MAC address from mv643xx_eth registers + * and update the port device node if no valid MAC address is set. + */ + for_each_compatible_node(np, NULL, "marvell,kirkwood-eth-port") { + struct device_node *pnp = of_get_parent(np); + struct clk *clk; + struct property *pmac; + void __iomem *io; + u8 *macaddr; + u32 reg; + + if (!pnp) + continue; + + /* skip disabled nodes or nodes with valid MAC address*/ + if (!of_device_is_available(pnp) || of_get_mac_address(np)) + goto eth_fixup_skip; + + clk = of_clk_get(pnp, 0); + if (IS_ERR(clk)) + goto eth_fixup_skip; + + io = of_iomap(pnp, 0); + if (!io) + goto eth_fixup_no_map; + + /* ensure port clock is not gated to not hang CPU */ + clk_prepare_enable(clk); + + /* store MAC address register contents in local-mac-address */ + pr_err(FW_INFO "%s: local-mac-address is not set\n", + np->full_name); + + pmac = kzalloc(sizeof(*pmac) + 6, GFP_KERNEL); + if (!pmac) + goto eth_fixup_no_mem; + + pmac->value = pmac + 1; + pmac->length = 6; + pmac->name = kstrdup("local-mac-address", GFP_KERNEL); + if (!pmac->name) { + kfree(pmac); + goto eth_fixup_no_mem; + } + + macaddr = pmac->value; + reg = readl(io + MV643XX_ETH_MAC_ADDR_HIGH); + macaddr[0] = (reg >> 24) & 0xff; + macaddr[1] = (reg >> 16) & 0xff; + macaddr[2] = (reg >> 8) & 0xff; + macaddr[3] = reg & 0xff; + + reg = readl(io + MV643XX_ETH_MAC_ADDR_LOW); + macaddr[4] = (reg >> 8) & 0xff; + macaddr[5] = reg & 0xff; + + of_update_property(np, pmac); + +eth_fixup_no_mem: + iounmap(io); + clk_disable_unprepare(clk); +eth_fixup_no_map: + clk_put(clk); +eth_fixup_skip: + of_node_put(pnp); + } } static void __init kirkwood_dt_init(void) @@ -90,11 +156,12 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); kirkwood_cpufreq_init(); - + kirkwood_cpuidle_init(); /* Setup clocks for legacy devices */ kirkwood_legacy_clk_init(); - kirkwood_cpuidle_init(); + kirkwood_pm_init(); + kirkwood_dt_eth_fixup(); #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; @@ -114,7 +181,6 @@ static const char * const kirkwood_dt_board_compat[] = { DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)") /* Maintainer: Jason Cooper <jason@lakedaemon.net> */ .map_io = kirkwood_map_io, - .init_early = kirkwood_dt_init_early, .init_machine = kirkwood_dt_init, .restart = kirkwood_restart, .dt_compat = kirkwood_dt_board_compat, diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 176761134a6..f3407a5db21 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -721,6 +721,7 @@ void __init kirkwood_init(void) kirkwood_xor1_init(); kirkwood_crypto_init(); + kirkwood_pm_init(); kirkwood_cpuidle_init(); #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 1296de94feb..05fd648df54 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -58,6 +58,12 @@ void kirkwood_cpufreq_init(void); void kirkwood_restart(enum reboot_mode, const char *); void kirkwood_clk_init(void); +#ifdef CONFIG_PM +void kirkwood_pm_init(void); +#else +static inline void kirkwood_pm_init(void) {}; +#endif + /* board init functions for boards not fully converted to fdt */ #ifdef CONFIG_MACH_MV88F6281GTW_GE_DT void mv88f6281gtw_ge_init(void); diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 91242c944d7..8b9d1c9ff19 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -78,4 +78,6 @@ #define CGC_TDM (1 << 20) #define CGC_RESERVED (0x6 << 21) +#define MEMORY_PM_CTRL (BRIDGE_VIRT_BASE + 0x118) + #endif diff --git a/arch/arm/mach-kirkwood/pm.c b/arch/arm/mach-kirkwood/pm.c new file mode 100644 index 00000000000..8783a7184e7 --- /dev/null +++ b/arch/arm/mach-kirkwood/pm.c @@ -0,0 +1,73 @@ +/* + * Power Management driver for Marvell Kirkwood SoCs + * + * Copyright (C) 2013 Ezequiel Garcia <ezequiel@free-electrons.com> + * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, + * version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/suspend.h> +#include <linux/io.h> +#include <mach/bridge-regs.h> + +static void __iomem *ddr_operation_base; + +static void kirkwood_low_power(void) +{ + u32 mem_pm_ctrl; + + mem_pm_ctrl = readl(MEMORY_PM_CTRL); + + /* Set peripherals to low-power mode */ + writel_relaxed(~0, MEMORY_PM_CTRL); + + /* Set DDR in self-refresh */ + writel_relaxed(0x7, ddr_operation_base); + + /* + * Set CPU in wait-for-interrupt state. + * This disables the CPU core clocks, + * the array clocks, and also the L2 controller. + */ + cpu_do_idle(); + + writel_relaxed(mem_pm_ctrl, MEMORY_PM_CTRL); +} + +static int kirkwood_suspend_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_STANDBY: + kirkwood_low_power(); + break; + default: + return -EINVAL; + } + return 0; +} + +static int kirkwood_pm_valid_standby(suspend_state_t state) +{ + return state == PM_SUSPEND_STANDBY; +} + +static const struct platform_suspend_ops kirkwood_suspend_ops = { + .enter = kirkwood_suspend_enter, + .valid = kirkwood_pm_valid_standby, +}; + +int __init kirkwood_pm_init(void) +{ + ddr_operation_base = ioremap(DDR_OPERATION_BASE, 4); + suspend_set_ops(&kirkwood_suspend_ops); + return 0; +} diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c index 4c24303ec48..58adf2fd9cf 100644 --- a/arch/arm/mach-mvebu/coherency.c +++ b/arch/arm/mach-mvebu/coherency.c @@ -140,6 +140,7 @@ int __init coherency_init(void) coherency_base = of_iomap(np, 0); coherency_cpu_base = of_iomap(np, 1); set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0); + of_node_put(np); } return 0; @@ -147,9 +148,14 @@ int __init coherency_init(void) static int __init coherency_late_init(void) { - if (of_find_matching_node(NULL, of_coherency_table)) + struct device_node *np; + + np = of_find_matching_node(NULL, of_coherency_table); + if (np) { bus_register_notifier(&platform_bus_type, &mvebu_hwcc_platform_nb); + of_node_put(np); + } return 0; } diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 3cc4bef6401..27fc4f04947 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void) pr_info("Initializing Power Management Service Unit\n"); pmsu_mp_base = of_iomap(np, 0); pmsu_reset_base = of_iomap(np, 1); + of_node_put(np); } return 0; diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c index f875124ff4f..5175083cdb3 100644 --- a/arch/arm/mach-mvebu/system-controller.c +++ b/arch/arm/mach-mvebu/system-controller.c @@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void) BUG_ON(!match); system_controller_base = of_iomap(np, 0); mvebu_sc = (struct mvebu_system_controller *)match->data; + of_node_put(np); } return 0; diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index afb457c3135..cb7b527d61b 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -112,13 +112,13 @@ obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o -obj-$(CONFIG_SOC_AM43XX) += prm33xx.o cm33xx.o omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \ prcm_mpu44xx.o prminst44xx.o \ vc44xx_data.o vp44xx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common) obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common) obj-$(CONFIG_SOC_DRA7XX) += $(omap-prcm-4-5-common) +obj-$(CONFIG_SOC_AM43XX) += $(omap-prcm-4-5-common) # OMAP voltage domains voltagedomain-common := voltage.o vc.o vp.o @@ -146,6 +146,7 @@ obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o obj-$(CONFIG_SOC_AM33XX) += $(powerdomain-common) obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o obj-$(CONFIG_SOC_AM43XX) += $(powerdomain-common) +obj-$(CONFIG_SOC_AM43XX) += powerdomains43xx_data.o obj-$(CONFIG_SOC_OMAP5) += $(powerdomain-common) obj-$(CONFIG_SOC_OMAP5) += powerdomains54xx_data.o obj-$(CONFIG_SOC_DRA7XX) += $(powerdomain-common) @@ -165,6 +166,7 @@ obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o obj-$(CONFIG_SOC_AM33XX) += $(clockdomain-common) obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o obj-$(CONFIG_SOC_AM43XX) += $(clockdomain-common) +obj-$(CONFIG_SOC_AM43XX) += clockdomains43xx_data.o obj-$(CONFIG_SOC_OMAP5) += $(clockdomain-common) obj-$(CONFIG_SOC_OMAP5) += clockdomains54xx_data.o obj-$(CONFIG_SOC_DRA7XX) += $(clockdomain-common) @@ -210,6 +212,11 @@ obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_2xxx_3xxx_ipblock_data.o obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_2xxx_3xxx_interconnect_data.o obj-$(CONFIG_ARCH_OMAP3) += omap_hwmod_3xxx_data.o obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_data.o +obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_43xx_interconnect_data.o +obj-$(CONFIG_SOC_AM33XX) += omap_hwmod_33xx_43xx_ipblock_data.o +obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_43xx_data.o +obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_33xx_43xx_interconnect_data.o +obj-$(CONFIG_SOC_AM43XX) += omap_hwmod_33xx_43xx_ipblock_data.o obj-$(CONFIG_ARCH_OMAP4) += omap_hwmod_44xx_data.o obj-$(CONFIG_SOC_OMAP5) += omap_hwmod_54xx_data.o obj-$(CONFIG_SOC_DRA7XX) += omap_hwmod_7xx_data.o diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index 4b03394fa0c..f17f00697cc 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -132,7 +132,7 @@ struct clockdomain { u8 _flags; const u8 dep_bit; const u8 prcm_partition; - const s16 cm_inst; + const u16 cm_inst; const u16 clkdm_offs; struct clkdm_dep *wkdep_srcs; struct clkdm_dep *sleepdep_srcs; @@ -218,6 +218,7 @@ extern void __init am33xx_clockdomains_init(void); extern void __init omap44xx_clockdomains_init(void); extern void __init omap54xx_clockdomains_init(void); extern void __init dra7xx_clockdomains_init(void); +void am43xx_clockdomains_init(void); extern void clkdm_add_autodeps(struct clockdomain *clkdm); extern void clkdm_del_autodeps(struct clockdomain *clkdm); @@ -226,6 +227,7 @@ extern struct clkdm_ops omap2_clkdm_operations; extern struct clkdm_ops omap3_clkdm_operations; extern struct clkdm_ops omap4_clkdm_operations; extern struct clkdm_ops am33xx_clkdm_operations; +extern struct clkdm_ops am43xx_clkdm_operations; extern struct clkdm_dep gfx_24xx_wkdeps[]; extern struct clkdm_dep dsp_24xx_wkdeps[]; diff --git a/arch/arm/mach-omap2/clockdomains43xx_data.c b/arch/arm/mach-omap2/clockdomains43xx_data.c new file mode 100644 index 00000000000..6d71c6082a2 --- /dev/null +++ b/arch/arm/mach-omap2/clockdomains43xx_data.c @@ -0,0 +1,196 @@ +/* + * AM43xx Clock domains framework + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/io.h> + +#include "clockdomain.h" +#include "prcm44xx.h" +#include "prcm43xx.h" + +static struct clockdomain l4_cefuse_43xx_clkdm = { + .name = "l4_cefuse_clkdm", + .pwrdm = { .name = "cefuse_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_CEFUSE_INST, + .clkdm_offs = AM43XX_CM_CEFUSE_CEFUSE_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain mpu_43xx_clkdm = { + .name = "mpu_clkdm", + .pwrdm = { .name = "mpu_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_MPU_INST, + .clkdm_offs = AM43XX_CM_MPU_MPU_CDOFFS, + .flags = CLKDM_CAN_HWSUP_SWSUP, +}; + +static struct clockdomain l4ls_43xx_clkdm = { + .name = "l4ls_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_L4LS_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain tamper_43xx_clkdm = { + .name = "tamper_clkdm", + .pwrdm = { .name = "tamper_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_TAMPER_INST, + .clkdm_offs = AM43XX_CM_TAMPER_TAMPER_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l4_rtc_43xx_clkdm = { + .name = "l4_rtc_clkdm", + .pwrdm = { .name = "rtc_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_RTC_INST, + .clkdm_offs = AM43XX_CM_RTC_RTC_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain pruss_ocp_43xx_clkdm = { + .name = "pruss_ocp_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_ICSS_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain ocpwp_l3_43xx_clkdm = { + .name = "ocpwp_l3_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_OCPWP_L3_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l3s_tsc_43xx_clkdm = { + .name = "l3s_tsc_clkdm", + .pwrdm = { .name = "wkup_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_WKUP_INST, + .clkdm_offs = AM43XX_CM_WKUP_L3S_TSC_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain dss_43xx_clkdm = { + .name = "dss_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_DSS_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l3_aon_43xx_clkdm = { + .name = "l3_aon_clkdm", + .pwrdm = { .name = "wkup_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_WKUP_INST, + .clkdm_offs = AM43XX_CM_WKUP_L3_AON_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain emif_43xx_clkdm = { + .name = "emif_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_EMIF_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l4_wkup_aon_43xx_clkdm = { + .name = "l4_wkup_aon_clkdm", + .pwrdm = { .name = "wkup_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_WKUP_INST, + .clkdm_offs = AM43XX_CM_WKUP_L4_WKUP_AON_CDOFFS, +}; + +static struct clockdomain l3_43xx_clkdm = { + .name = "l3_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_L3_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l4_wkup_43xx_clkdm = { + .name = "l4_wkup_clkdm", + .pwrdm = { .name = "wkup_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_WKUP_INST, + .clkdm_offs = AM43XX_CM_WKUP_WKUP_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain cpsw_125mhz_43xx_clkdm = { + .name = "cpsw_125mhz_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_CPSW_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain gfx_l3_43xx_clkdm = { + .name = "gfx_l3_clkdm", + .pwrdm = { .name = "gfx_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_GFX_INST, + .clkdm_offs = AM43XX_CM_GFX_GFX_L3_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain l3s_43xx_clkdm = { + .name = "l3s_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_L3S_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + +static struct clockdomain *clockdomains_am43xx[] __initdata = { + &l4_cefuse_43xx_clkdm, + &mpu_43xx_clkdm, + &l4ls_43xx_clkdm, + &tamper_43xx_clkdm, + &l4_rtc_43xx_clkdm, + &pruss_ocp_43xx_clkdm, + &ocpwp_l3_43xx_clkdm, + &l3s_tsc_43xx_clkdm, + &dss_43xx_clkdm, + &l3_aon_43xx_clkdm, + &emif_43xx_clkdm, + &l4_wkup_aon_43xx_clkdm, + &l3_43xx_clkdm, + &l4_wkup_43xx_clkdm, + &cpsw_125mhz_43xx_clkdm, + &gfx_l3_43xx_clkdm, + &l3s_43xx_clkdm, + NULL +}; + +void __init am43xx_clockdomains_init(void) +{ + clkdm_register_platform_funcs(&am43xx_clkdm_operations); + clkdm_register_clkdms(clockdomains_am43xx); + clkdm_complete_init(); +} diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 325a5157657..40a22e5649a 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -48,13 +48,13 @@ /* Private functions */ /* Read a register in a CM instance */ -static inline u32 am33xx_cm_read_reg(s16 inst, u16 idx) +static inline u32 am33xx_cm_read_reg(u16 inst, u16 idx) { return __raw_readl(cm_base + inst + idx); } /* Write into a register in a CM */ -static inline void am33xx_cm_write_reg(u32 val, s16 inst, u16 idx) +static inline void am33xx_cm_write_reg(u32 val, u16 inst, u16 idx) { __raw_writel(val, cm_base + inst + idx); } @@ -138,7 +138,7 @@ static bool _is_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs) * @c must be the unshifted value for CLKTRCTRL - i.e., this function * will handle the shift itself. */ -static void _clktrctrl_write(u8 c, s16 inst, u16 cdoffs) +static void _clktrctrl_write(u8 c, u16 inst, u16 cdoffs) { u32 v; @@ -158,7 +158,7 @@ static void _clktrctrl_write(u8 c, s16 inst, u16 cdoffs) * Returns true if the clockdomain referred to by (@inst, @cdoffs) * is in hardware-supervised idle mode, or 0 otherwise. */ -bool am33xx_cm_is_clkdm_in_hwsup(s16 inst, u16 cdoffs) +bool am33xx_cm_is_clkdm_in_hwsup(u16 inst, u16 cdoffs) { u32 v; @@ -177,7 +177,7 @@ bool am33xx_cm_is_clkdm_in_hwsup(s16 inst, u16 cdoffs) * Put a clockdomain referred to by (@inst, @cdoffs) into * hardware-supervised idle mode. No return value. */ -void am33xx_cm_clkdm_enable_hwsup(s16 inst, u16 cdoffs) +void am33xx_cm_clkdm_enable_hwsup(u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_ENABLE_AUTO, inst, cdoffs); } @@ -191,7 +191,7 @@ void am33xx_cm_clkdm_enable_hwsup(s16 inst, u16 cdoffs) * software-supervised idle mode, i.e., controlled manually by the * Linux OMAP clockdomain code. No return value. */ -void am33xx_cm_clkdm_disable_hwsup(s16 inst, u16 cdoffs) +void am33xx_cm_clkdm_disable_hwsup(u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, inst, cdoffs); } @@ -204,7 +204,7 @@ void am33xx_cm_clkdm_disable_hwsup(s16 inst, u16 cdoffs) * Put a clockdomain referred to by (@inst, @cdoffs) into idle * No return value. */ -void am33xx_cm_clkdm_force_sleep(s16 inst, u16 cdoffs) +void am33xx_cm_clkdm_force_sleep(u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, inst, cdoffs); } @@ -217,7 +217,7 @@ void am33xx_cm_clkdm_force_sleep(s16 inst, u16 cdoffs) * Take a clockdomain referred to by (@inst, @cdoffs) out of idle, * waking it up. No return value. */ -void am33xx_cm_clkdm_force_wakeup(s16 inst, u16 cdoffs) +void am33xx_cm_clkdm_force_wakeup(u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, inst, cdoffs); } diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h index 9d1f4fcdebb..cfb8891b0c0 100644 --- a/arch/arm/mach-omap2/cm33xx.h +++ b/arch/arm/mach-omap2/cm33xx.h @@ -377,13 +377,13 @@ #ifndef __ASSEMBLER__ -extern bool am33xx_cm_is_clkdm_in_hwsup(s16 inst, u16 cdoffs); -extern void am33xx_cm_clkdm_enable_hwsup(s16 inst, u16 cdoffs); -extern void am33xx_cm_clkdm_disable_hwsup(s16 inst, u16 cdoffs); -extern void am33xx_cm_clkdm_force_sleep(s16 inst, u16 cdoffs); -extern void am33xx_cm_clkdm_force_wakeup(s16 inst, u16 cdoffs); +bool am33xx_cm_is_clkdm_in_hwsup(u16 inst, u16 cdoffs); +void am33xx_cm_clkdm_enable_hwsup(u16 inst, u16 cdoffs); +void am33xx_cm_clkdm_disable_hwsup(u16 inst, u16 cdoffs); +void am33xx_cm_clkdm_force_sleep(u16 inst, u16 cdoffs); +void am33xx_cm_clkdm_force_wakeup(u16 inst, u16 cdoffs); -#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) +#ifdef CONFIG_SOC_AM33XX extern int am33xx_cm_wait_module_idle(u16 inst, s16 cdoffs, u16 clkctrl_offs); extern void am33xx_cm_module_enable(u8 mode, u16 inst, s16 cdoffs, diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index f0290f5566f..731ca134348 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -111,7 +111,7 @@ static bool _is_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs) /* Public functions */ /* Read a register in a CM instance */ -u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx) +u32 omap4_cminst_read_inst_reg(u8 part, u16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || @@ -120,7 +120,7 @@ u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx) } /* Write into a register in a CM instance */ -void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx) +void omap4_cminst_write_inst_reg(u32 val, u8 part, u16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || @@ -129,7 +129,7 @@ void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx) } /* Read-modify-write a register in CM1. Caller must lock */ -u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, +u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, u16 inst, s16 idx) { u32 v; @@ -142,12 +142,12 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, return v; } -u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, u16 inst, s16 idx) { return omap4_cminst_rmw_inst_reg_bits(bits, bits, part, inst, idx); } -u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, u16 inst, s16 idx) { return omap4_cminst_rmw_inst_reg_bits(bits, 0x0, part, inst, idx); } @@ -177,7 +177,7 @@ u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask) * @c must be the unshifted value for CLKTRCTRL - i.e., this function * will handle the shift itself. */ -static void _clktrctrl_write(u8 c, u8 part, s16 inst, u16 cdoffs) +static void _clktrctrl_write(u8 c, u8 part, u16 inst, u16 cdoffs) { u32 v; @@ -196,7 +196,7 @@ static void _clktrctrl_write(u8 c, u8 part, s16 inst, u16 cdoffs) * Returns true if the clockdomain referred to by (@part, @inst, @cdoffs) * is in hardware-supervised idle mode, or 0 otherwise. */ -bool omap4_cminst_is_clkdm_in_hwsup(u8 part, s16 inst, u16 cdoffs) +bool omap4_cminst_is_clkdm_in_hwsup(u8 part, u16 inst, u16 cdoffs) { u32 v; @@ -216,7 +216,7 @@ bool omap4_cminst_is_clkdm_in_hwsup(u8 part, s16 inst, u16 cdoffs) * Put a clockdomain referred to by (@part, @inst, @cdoffs) into * hardware-supervised idle mode. No return value. */ -void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs) +void omap4_cminst_clkdm_enable_hwsup(u8 part, u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_ENABLE_AUTO, part, inst, cdoffs); } @@ -231,7 +231,7 @@ void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs) * software-supervised idle mode, i.e., controlled manually by the * Linux OMAP clockdomain code. No return value. */ -void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs) +void omap4_cminst_clkdm_disable_hwsup(u8 part, u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, part, inst, cdoffs); } @@ -245,7 +245,7 @@ void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs) * Take a clockdomain referred to by (@part, @inst, @cdoffs) out of idle, * waking it up. No return value. */ -void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs) +void omap4_cminst_clkdm_force_wakeup(u8 part, u16 inst, u16 cdoffs) { _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, part, inst, cdoffs); } @@ -483,3 +483,12 @@ struct clkdm_ops omap4_clkdm_operations = { .clkdm_clk_enable = omap4_clkdm_clk_enable, .clkdm_clk_disable = omap4_clkdm_clk_disable, }; + +struct clkdm_ops am43xx_clkdm_operations = { + .clkdm_sleep = omap4_clkdm_sleep, + .clkdm_wakeup = omap4_clkdm_wakeup, + .clkdm_allow_idle = omap4_clkdm_allow_idle, + .clkdm_deny_idle = omap4_clkdm_deny_idle, + .clkdm_clk_enable = omap4_clkdm_clk_enable, + .clkdm_clk_disable = omap4_clkdm_clk_disable, +}; diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h index bd7bab88974..7f56ea444bc 100644 --- a/arch/arm/mach-omap2/cminst44xx.h +++ b/arch/arm/mach-omap2/cminst44xx.h @@ -11,11 +11,11 @@ #ifndef __ARCH_ASM_MACH_OMAP2_CMINST44XX_H #define __ARCH_ASM_MACH_OMAP2_CMINST44XX_H -extern bool omap4_cminst_is_clkdm_in_hwsup(u8 part, s16 inst, u16 cdoffs); -extern void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs); -extern void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs); -extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs); -extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs); +bool omap4_cminst_is_clkdm_in_hwsup(u8 part, u16 inst, u16 cdoffs); +void omap4_cminst_clkdm_enable_hwsup(u8 part, u16 inst, u16 cdoffs); +void omap4_cminst_clkdm_disable_hwsup(u8 part, u16 inst, u16 cdoffs); +void omap4_cminst_clkdm_force_sleep(u8 part, u16 inst, u16 cdoffs); +void omap4_cminst_clkdm_force_wakeup(u8 part, u16 inst, u16 cdoffs); extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); @@ -27,14 +27,14 @@ extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs, * In an ideal world, we would not export these low-level functions, * but this will probably take some time to fix properly */ -extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx); -extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx); -extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, - s16 inst, s16 idx); -extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, - s16 idx); -extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, - s16 idx); +u32 omap4_cminst_read_inst_reg(u8 part, u16 inst, u16 idx); +void omap4_cminst_write_inst_reg(u32 val, u8 part, u16 inst, u16 idx); +u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, + u16 inst, s16 idx); +u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, u16 inst, + s16 idx); +u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, u16 inst, + s16 idx); extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask); diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 0289adcb6ef..4f8f1cb3f5f 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -576,8 +576,8 @@ void __init omap5xxx_check_revision(void) case 0xb942: switch (rev) { case 0: - omap_revision = OMAP5430_REV_ES1_0; - break; + /* No support for ES1.0 Test chip */ + BUG(); case 1: default: omap_revision = OMAP5430_REV_ES2_0; @@ -587,8 +587,8 @@ void __init omap5xxx_check_revision(void) case 0xb998: switch (rev) { case 0: - omap_revision = OMAP5432_REV_ES1_0; - break; + /* No support for ES1.0 Test chip */ + BUG(); case 1: default: omap_revision = OMAP5432_REV_ES2_0; diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index ff2113ce401..c90f64765a3 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -594,7 +594,13 @@ void __init am43xx_init_early(void) NULL); omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE)); omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE), NULL); + omap_prm_base_init(); + omap_cm_base_init(); omap3xxx_check_revision(); + am43xx_powerdomains_init(); + am43xx_clockdomains_init(); + am43xx_hwmod_init(); + omap_hwmod_init_postsetup(); } #endif diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h index 0e729170c46..a5ee09d20ac 100644 --- a/arch/arm/mach-omap2/omap-secure.h +++ b/arch/arm/mach-omap2/omap-secure.h @@ -42,6 +42,8 @@ #define OMAP4_MON_L2X0_AUXCTRL_INDEX 0x109 #define OMAP4_MON_L2X0_PREFETCH_INDEX 0x113 +#define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109 + /* Secure PPA(Primary Protected Application) APIs */ #define OMAP4_PPA_L2_POR_INDEX 0x23 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX 0x25 @@ -60,5 +62,7 @@ extern int omap_barrier_reserve_memblock(void); static inline void omap_barrier_reserve_memblock(void) { } #endif + +void set_cntfreq(void); #endif /* __ASSEMBLER__ */ #endif /* OMAP_ARCH_OMAP_SECURE_H */ diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 89121109329..75e95d4fb44 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -66,6 +66,13 @@ static void omap4_secondary_init(unsigned int cpu) 4, 0, 0, 0, 0, 0); /* + * Configure the CNTFRQ register for the secondary cpu's which + * indicates the frequency of the cpu local timers. + */ + if (soc_is_omap54xx() || soc_is_dra7xx()) + set_cntfreq(); + + /* * Synchronise with the boot thread. */ spin_lock(&boot_lock); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d9ee0ff094d..e3f0ecaf87d 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2357,25 +2357,29 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np, /** * _init_mpu_rt_base - populate the virtual address for a hwmod * @oh: struct omap_hwmod * to locate the virtual address + * @data: (unused, caller should pass NULL) + * @np: struct device_node * of the IP block's device node in the DT data * * Cache the virtual address used by the MPU to access this IP block's * registers. This address is needed early so the OCP registers that * are part of the device's address space can be ioremapped properly. - * No return value. + * + * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and + * -ENXIO on absent or invalid register target address space. */ -static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) +static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, + struct device_node *np) { struct omap_hwmod_addr_space *mem; void __iomem *va_start = NULL; - struct device_node *np; if (!oh) - return; + return -EINVAL; _save_mpu_port_index(oh); if (oh->_int_flags & _HWMOD_NO_MPU_PORT) - return; + return -ENXIO; mem = _find_mpu_rt_addr_space(oh); if (!mem) { @@ -2383,25 +2387,24 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) oh->name); /* Extract the IO space from device tree blob */ - if (!of_have_populated_dt()) - return; + if (!np) + return -ENXIO; - np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); - if (np) - va_start = of_iomap(np, oh->mpu_rt_idx); + va_start = of_iomap(np, oh->mpu_rt_idx); } else { va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); } if (!va_start) { pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name); - return; + return -ENXIO; } pr_debug("omap_hwmod: %s: MPU register target at va %p\n", oh->name, va_start); oh->_mpu_rt_va = va_start; + return 0; } /** @@ -2414,18 +2417,28 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) * registered at this point. This is the first of two phases for * hwmod initialization. Code called here does not touch any hardware * registers, it simply prepares internal data structures. Returns 0 - * upon success or if the hwmod isn't registered, or -EINVAL upon - * failure. + * upon success or if the hwmod isn't registered or if the hwmod's + * address space is not defined, or -EINVAL upon failure. */ static int __init _init(struct omap_hwmod *oh, void *data) { int r; + struct device_node *np = NULL; if (oh->_state != _HWMOD_STATE_REGISTERED) return 0; - if (oh->class->sysc) - _init_mpu_rt_base(oh, NULL); + if (of_have_populated_dt()) + np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); + + if (oh->class->sysc) { + r = _init_mpu_rt_base(oh, NULL, np); + if (r < 0) { + WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", + oh->name); + return 0; + } + } r = _init_clocks(oh, NULL); if (r < 0) { @@ -2433,6 +2446,12 @@ static int __init _init(struct omap_hwmod *oh, void *data) return -EINVAL; } + if (np) + if (of_find_property(np, "ti,no-reset-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_RESET; + if (of_find_property(np, "ti,no-idle-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_IDLE; + oh->_state = _HWMOD_STATE_INITIALIZED; return 0; @@ -4125,6 +4144,14 @@ void __init omap_hwmod_init(void) soc_ops.init_clkdm = _init_clkdm; soc_ops.update_context_lost = _omap4_update_context_lost; soc_ops.get_context_lost = _omap4_get_context_lost; + } else if (soc_is_am43xx()) { + soc_ops.enable_module = _omap4_enable_module; + soc_ops.disable_module = _omap4_disable_module; + soc_ops.wait_target_ready = _omap4_wait_target_ready; + soc_ops.assert_hardreset = _omap4_assert_hardreset; + soc_ops.deassert_hardreset = _omap4_deassert_hardreset; + soc_ops.is_hardreset_asserted = _omap4_is_hardreset_asserted; + soc_ops.init_clkdm = _init_clkdm; } else if (soc_is_am33xx()) { soc_ops.enable_module = _am33xx_enable_module; soc_ops.disable_module = _am33xx_disable_module; diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index d02acf9308d..0f97d635ff9 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -752,6 +752,7 @@ extern int omap44xx_hwmod_init(void); extern int omap54xx_hwmod_init(void); extern int am33xx_hwmod_init(void); extern int dra7xx_hwmod_init(void); +int am43xx_hwmod_init(void); extern int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois); diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h new file mode 100644 index 00000000000..130332c0534 --- /dev/null +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h @@ -0,0 +1,163 @@ +/* + * + * Copyright (C) 2013 Texas Instruments Incorporated + * + * Data common for AM335x and AM43x + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_33XX_43XX_COMMON_DATA_H +#define __ARCH_ARM_MACH_OMAP2_OMAP_HWMOD_33XX_43XX_COMMON_DATA_H + +extern struct omap_hwmod_ocp_if am33xx_mpu__l3_main; +extern struct omap_hwmod_ocp_if am33xx_l3_main__l3_s; +extern struct omap_hwmod_ocp_if am33xx_l3_s__l4_ls; +extern struct omap_hwmod_ocp_if am33xx_l3_s__l4_wkup; +extern struct omap_hwmod_ocp_if am33xx_l3_main__l3_instr; +extern struct omap_hwmod_ocp_if am33xx_mpu__prcm; +extern struct omap_hwmod_ocp_if am33xx_l3_s__l3_main; +extern struct omap_hwmod_ocp_if am33xx_pruss__l3_main; +extern struct omap_hwmod_ocp_if am33xx_gfx__l3_main; +extern struct omap_hwmod_ocp_if am33xx_l3_main__gfx; +extern struct omap_hwmod_ocp_if am33xx_l4_wkup__rtc; +extern struct omap_hwmod_ocp_if am33xx_l4_per__dcan0; +extern struct omap_hwmod_ocp_if am33xx_l4_per__dcan1; +extern struct omap_hwmod_ocp_if am33xx_l4_per__gpio1; +extern struct omap_hwmod_ocp_if am33xx_l4_per__gpio2; +extern struct omap_hwmod_ocp_if am33xx_l4_per__gpio3; +extern struct omap_hwmod_ocp_if am33xx_cpgmac0__mdio; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__elm; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss0; +extern struct omap_hwmod_ocp_if am33xx_epwmss0__ecap0; +extern struct omap_hwmod_ocp_if am33xx_epwmss0__eqep0; +extern struct omap_hwmod_ocp_if am33xx_epwmss0__ehrpwm0; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss1; +extern struct omap_hwmod_ocp_if am33xx_epwmss1__ecap1; +extern struct omap_hwmod_ocp_if am33xx_epwmss1__eqep1; +extern struct omap_hwmod_ocp_if am33xx_epwmss1__ehrpwm1; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss2; +extern struct omap_hwmod_ocp_if am33xx_epwmss2__ecap2; +extern struct omap_hwmod_ocp_if am33xx_epwmss2__eqep2; +extern struct omap_hwmod_ocp_if am33xx_epwmss2__ehrpwm2; +extern struct omap_hwmod_ocp_if am33xx_l3_s__gpmc; +extern struct omap_hwmod_ocp_if am33xx_l4_per__i2c2; +extern struct omap_hwmod_ocp_if am33xx_l4_per__i2c3; +extern struct omap_hwmod_ocp_if am33xx_l4_per__mailbox; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__spinlock; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp0; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp1; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mmc0; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mmc1; +extern struct omap_hwmod_ocp_if am33xx_l3_s__mmc2; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi0; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi1; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer2; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer3; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer4; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer5; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer6; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__timer7; +extern struct omap_hwmod_ocp_if am33xx_l3_main__tpcc; +extern struct omap_hwmod_ocp_if am33xx_l3_main__tptc0; +extern struct omap_hwmod_ocp_if am33xx_l3_main__tptc1; +extern struct omap_hwmod_ocp_if am33xx_l3_main__tptc2; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__uart2; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__uart3; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__uart4; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__uart5; +extern struct omap_hwmod_ocp_if am33xx_l4_ls__uart6; +extern struct omap_hwmod_ocp_if am33xx_l3_main__ocmc; +extern struct omap_hwmod_ocp_if am33xx_l3_main__sha0; +extern struct omap_hwmod_ocp_if am33xx_l3_main__aes0; + +extern struct omap_hwmod am33xx_l3_main_hwmod; +extern struct omap_hwmod am33xx_l3_s_hwmod; +extern struct omap_hwmod am33xx_l3_instr_hwmod; +extern struct omap_hwmod am33xx_l4_ls_hwmod; +extern struct omap_hwmod am33xx_l4_wkup_hwmod; +extern struct omap_hwmod am33xx_mpu_hwmod; +extern struct omap_hwmod am33xx_pruss_hwmod; +extern struct omap_hwmod am33xx_gfx_hwmod; +extern struct omap_hwmod am33xx_prcm_hwmod; +extern struct omap_hwmod am33xx_aes0_hwmod; +extern struct omap_hwmod am33xx_sha0_hwmod; +extern struct omap_hwmod am33xx_ocmcram_hwmod; +extern struct omap_hwmod am33xx_smartreflex0_hwmod; +extern struct omap_hwmod am33xx_smartreflex1_hwmod; +extern struct omap_hwmod am33xx_cpgmac0_hwmod; +extern struct omap_hwmod am33xx_mdio_hwmod; +extern struct omap_hwmod am33xx_dcan0_hwmod; +extern struct omap_hwmod am33xx_dcan1_hwmod; +extern struct omap_hwmod am33xx_elm_hwmod; +extern struct omap_hwmod am33xx_epwmss0_hwmod; +extern struct omap_hwmod am33xx_ecap0_hwmod; +extern struct omap_hwmod am33xx_eqep0_hwmod; +extern struct omap_hwmod am33xx_ehrpwm0_hwmod; +extern struct omap_hwmod am33xx_epwmss1_hwmod; +extern struct omap_hwmod am33xx_ecap1_hwmod; +extern struct omap_hwmod am33xx_eqep1_hwmod; +extern struct omap_hwmod am33xx_ehrpwm1_hwmod; +extern struct omap_hwmod am33xx_epwmss2_hwmod; +extern struct omap_hwmod am33xx_ecap2_hwmod; +extern struct omap_hwmod am33xx_eqep2_hwmod; +extern struct omap_hwmod am33xx_ehrpwm2_hwmod; +extern struct omap_hwmod am33xx_gpio1_hwmod; +extern struct omap_hwmod am33xx_gpio2_hwmod; +extern struct omap_hwmod am33xx_gpio3_hwmod; +extern struct omap_hwmod am33xx_gpmc_hwmod; +extern struct omap_hwmod am33xx_i2c1_hwmod; +extern struct omap_hwmod am33xx_i2c2_hwmod; +extern struct omap_hwmod am33xx_i2c3_hwmod; +extern struct omap_hwmod am33xx_mailbox_hwmod; +extern struct omap_hwmod am33xx_mcasp0_hwmod; +extern struct omap_hwmod am33xx_mcasp1_hwmod; +extern struct omap_hwmod am33xx_mmc0_hwmod; +extern struct omap_hwmod am33xx_mmc1_hwmod; +extern struct omap_hwmod am33xx_mmc2_hwmod; +extern struct omap_hwmod am33xx_rtc_hwmod; +extern struct omap_hwmod am33xx_spi0_hwmod; +extern struct omap_hwmod am33xx_spi1_hwmod; +extern struct omap_hwmod am33xx_spinlock_hwmod; +extern struct omap_hwmod am33xx_timer1_hwmod; +extern struct omap_hwmod am33xx_timer2_hwmod; +extern struct omap_hwmod am33xx_timer3_hwmod; +extern struct omap_hwmod am33xx_timer4_hwmod; +extern struct omap_hwmod am33xx_timer5_hwmod; +extern struct omap_hwmod am33xx_timer6_hwmod; +extern struct omap_hwmod am33xx_timer7_hwmod; +extern struct omap_hwmod am33xx_tpcc_hwmod; +extern struct omap_hwmod am33xx_tptc0_hwmod; +extern struct omap_hwmod am33xx_tptc1_hwmod; +extern struct omap_hwmod am33xx_tptc2_hwmod; +extern struct omap_hwmod am33xx_uart1_hwmod; +extern struct omap_hwmod am33xx_uart2_hwmod; +extern struct omap_hwmod am33xx_uart3_hwmod; +extern struct omap_hwmod am33xx_uart4_hwmod; +extern struct omap_hwmod am33xx_uart5_hwmod; +extern struct omap_hwmod am33xx_uart6_hwmod; +extern struct omap_hwmod am33xx_wd_timer1_hwmod; + +extern struct omap_hwmod_class am33xx_l4_hwmod_class; +extern struct omap_hwmod_class am33xx_wkup_m3_hwmod_class; +extern struct omap_hwmod_class am33xx_control_hwmod_class; +extern struct omap_hwmod_class am33xx_gpio_hwmod_class; +extern struct omap_hwmod_class am33xx_timer_hwmod_class; +extern struct omap_hwmod_class am33xx_epwmss_hwmod_class; +extern struct omap_hwmod_class am33xx_ehrpwm_hwmod_class; +extern struct omap_hwmod_class am33xx_spi_hwmod_class; + +extern struct omap_gpio_dev_attr gpio_dev_attr; +extern struct omap2_mcspi_dev_attr mcspi_attrib; + +void omap_hwmod_am33xx_reg(void); +void omap_hwmod_am43xx_reg(void); + +#endif diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c new file mode 100644 index 00000000000..e2db378b849 --- /dev/null +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_interconnect_data.c @@ -0,0 +1,643 @@ +/* + * + * Copyright (C) 2013 Texas Instruments Incorporated + * + * Interconnects common for AM335x and AM43x + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/sizes.h> +#include "omap_hwmod.h" +#include "omap_hwmod_33xx_43xx_common_data.h" + +/* mpu -> l3 main */ +struct omap_hwmod_ocp_if am33xx_mpu__l3_main = { + .master = &am33xx_mpu_hwmod, + .slave = &am33xx_l3_main_hwmod, + .clk = "dpll_mpu_m2_ck", + .user = OCP_USER_MPU, +}; + +/* l3 main -> l3 s */ +struct omap_hwmod_ocp_if am33xx_l3_main__l3_s = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_l3_s_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 s -> l4 per/ls */ +struct omap_hwmod_ocp_if am33xx_l3_s__l4_ls = { + .master = &am33xx_l3_s_hwmod, + .slave = &am33xx_l4_ls_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 s -> l4 wkup */ +struct omap_hwmod_ocp_if am33xx_l3_s__l4_wkup = { + .master = &am33xx_l3_s_hwmod, + .slave = &am33xx_l4_wkup_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 main -> l3 instr */ +struct omap_hwmod_ocp_if am33xx_l3_main__l3_instr = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_l3_instr_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* mpu -> prcm */ +struct omap_hwmod_ocp_if am33xx_mpu__prcm = { + .master = &am33xx_mpu_hwmod, + .slave = &am33xx_prcm_hwmod, + .clk = "dpll_mpu_m2_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 s -> l3 main*/ +struct omap_hwmod_ocp_if am33xx_l3_s__l3_main = { + .master = &am33xx_l3_s_hwmod, + .slave = &am33xx_l3_main_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* pru-icss -> l3 main */ +struct omap_hwmod_ocp_if am33xx_pruss__l3_main = { + .master = &am33xx_pruss_hwmod, + .slave = &am33xx_l3_main_hwmod, + .clk = "l3_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gfx -> l3 main */ +struct omap_hwmod_ocp_if am33xx_gfx__l3_main = { + .master = &am33xx_gfx_hwmod, + .slave = &am33xx_l3_main_hwmod, + .clk = "dpll_core_m4_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 main -> gfx */ +struct omap_hwmod_ocp_if am33xx_l3_main__gfx = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_gfx_hwmod, + .clk = "dpll_core_m4_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4 wkup -> rtc */ +struct omap_hwmod_ocp_if am33xx_l4_wkup__rtc = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_rtc_hwmod, + .clk = "clkdiv32k_ick", + .user = OCP_USER_MPU, +}; + +/* l4 per/ls -> DCAN0 */ +struct omap_hwmod_ocp_if am33xx_l4_per__dcan0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_dcan0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4 per/ls -> DCAN1 */ +struct omap_hwmod_ocp_if am33xx_l4_per__dcan1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_dcan1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4 per/ls -> GPIO2 */ +struct omap_hwmod_ocp_if am33xx_l4_per__gpio1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_gpio1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4 per/ls -> gpio3 */ +struct omap_hwmod_ocp_if am33xx_l4_per__gpio2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_gpio2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4 per/ls -> gpio4 */ +struct omap_hwmod_ocp_if am33xx_l4_per__gpio3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_gpio3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +struct omap_hwmod_ocp_if am33xx_cpgmac0__mdio = { + .master = &am33xx_cpgmac0_hwmod, + .slave = &am33xx_mdio_hwmod, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_elm_addr_space[] = { + { + .pa_start = 0x48080000, + .pa_end = 0x48080000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__elm = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_elm_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_elm_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_epwmss0_addr_space[] = { + { + .pa_start = 0x48300000, + .pa_end = 0x48300000 + SZ_16 - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_epwmss0_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_epwmss0_addr_space, + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss0__ecap0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_ecap0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss0__eqep0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_eqep0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss0__ehrpwm0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_ehrpwm0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + + +static struct omap_hwmod_addr_space am33xx_epwmss1_addr_space[] = { + { + .pa_start = 0x48302000, + .pa_end = 0x48302000 + SZ_16 - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_epwmss1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_epwmss1_addr_space, + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss1__ecap1 = { + .master = &am33xx_epwmss1_hwmod, + .slave = &am33xx_ecap1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss1__eqep1 = { + .master = &am33xx_epwmss1_hwmod, + .slave = &am33xx_eqep1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss1__ehrpwm1 = { + .master = &am33xx_epwmss1_hwmod, + .slave = &am33xx_ehrpwm1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_epwmss2_addr_space[] = { + { + .pa_start = 0x48304000, + .pa_end = 0x48304000 + SZ_16 - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_epwmss2_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_epwmss2_addr_space, + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss2__ecap2 = { + .master = &am33xx_epwmss2_hwmod, + .slave = &am33xx_ecap2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss2__eqep2 = { + .master = &am33xx_epwmss2_hwmod, + .slave = &am33xx_eqep2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_epwmss2__ehrpwm2 = { + .master = &am33xx_epwmss2_hwmod, + .slave = &am33xx_ehrpwm2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l3s cfg -> gpmc */ +static struct omap_hwmod_addr_space am33xx_gpmc_addr_space[] = { + { + .pa_start = 0x50000000, + .pa_end = 0x50000000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_s__gpmc = { + .master = &am33xx_l3_s_hwmod, + .slave = &am33xx_gpmc_hwmod, + .clk = "l3s_gclk", + .addr = am33xx_gpmc_addr_space, + .user = OCP_USER_MPU, +}; + +/* i2c2 */ +struct omap_hwmod_ocp_if am33xx_l4_per__i2c2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_i2c2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +struct omap_hwmod_ocp_if am33xx_l4_per__i2c3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_i2c3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_mailbox_addrs[] = { + { + .pa_start = 0x480C8000, + .pa_end = 0x480C8000 + (SZ_4K - 1), + .flags = ADDR_TYPE_RT + }, + { } +}; + +/* l4 ls -> mailbox */ +struct omap_hwmod_ocp_if am33xx_l4_per__mailbox = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_mailbox_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_mailbox_addrs, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> spinlock */ +struct omap_hwmod_ocp_if am33xx_l4_ls__spinlock = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_spinlock_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mcasp0 */ +static struct omap_hwmod_addr_space am33xx_mcasp0_addr_space[] = { + { + .pa_start = 0x48038000, + .pa_end = 0x48038000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_mcasp0_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_mcasp0_addr_space, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mcasp1 */ +static struct omap_hwmod_addr_space am33xx_mcasp1_addr_space[] = { + { + .pa_start = 0x4803C000, + .pa_end = 0x4803C000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_mcasp1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_mcasp1_addr_space, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mmc0 */ +static struct omap_hwmod_addr_space am33xx_mmc0_addr_space[] = { + { + .pa_start = 0x48060100, + .pa_end = 0x48060100 + SZ_4K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__mmc0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_mmc0_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_mmc0_addr_space, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mmc1 */ +static struct omap_hwmod_addr_space am33xx_mmc1_addr_space[] = { + { + .pa_start = 0x481d8100, + .pa_end = 0x481d8100 + SZ_4K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l4_ls__mmc1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_mmc1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_mmc1_addr_space, + .user = OCP_USER_MPU, +}; + +/* l3 s -> mmc2 */ +static struct omap_hwmod_addr_space am33xx_mmc2_addr_space[] = { + { + .pa_start = 0x47810100, + .pa_end = 0x47810100 + SZ_64K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_s__mmc2 = { + .master = &am33xx_l3_s_hwmod, + .slave = &am33xx_mmc2_hwmod, + .clk = "l3s_gclk", + .addr = am33xx_mmc2_addr_space, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mcspi0 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_spi0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> mcspi1 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_spi1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer2 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer3 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer4 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer4 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer5 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer5 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer5_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer6 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer6 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer6_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 per -> timer7 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__timer7 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_timer7_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l3 main -> tpcc */ +struct omap_hwmod_ocp_if am33xx_l3_main__tpcc = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_tpcc_hwmod, + .clk = "l3_gclk", + .user = OCP_USER_MPU, +}; + +/* l3 main -> tpcc0 */ +static struct omap_hwmod_addr_space am33xx_tptc0_addr_space[] = { + { + .pa_start = 0x49800000, + .pa_end = 0x49800000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_main__tptc0 = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_tptc0_hwmod, + .clk = "l3_gclk", + .addr = am33xx_tptc0_addr_space, + .user = OCP_USER_MPU, +}; + +/* l3 main -> tpcc1 */ +static struct omap_hwmod_addr_space am33xx_tptc1_addr_space[] = { + { + .pa_start = 0x49900000, + .pa_end = 0x49900000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_main__tptc1 = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_tptc1_hwmod, + .clk = "l3_gclk", + .addr = am33xx_tptc1_addr_space, + .user = OCP_USER_MPU, +}; + +/* l3 main -> tpcc2 */ +static struct omap_hwmod_addr_space am33xx_tptc2_addr_space[] = { + { + .pa_start = 0x49a00000, + .pa_end = 0x49a00000 + SZ_8K - 1, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_main__tptc2 = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_tptc2_hwmod, + .clk = "l3_gclk", + .addr = am33xx_tptc2_addr_space, + .user = OCP_USER_MPU, +}; + +/* l4 ls -> uart2 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__uart2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_uart2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> uart3 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__uart3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_uart3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> uart4 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__uart4 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_uart4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> uart5 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__uart5 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_uart5_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l4 ls -> uart6 */ +struct omap_hwmod_ocp_if am33xx_l4_ls__uart6 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_uart6_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +/* l3 main -> ocmc */ +struct omap_hwmod_ocp_if am33xx_l3_main__ocmc = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_ocmcram_hwmod, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 main -> sha0 HIB2 */ +static struct omap_hwmod_addr_space am33xx_sha0_addrs[] = { + { + .pa_start = 0x53100000, + .pa_end = 0x53100000 + SZ_512 - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_main__sha0 = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_sha0_hwmod, + .clk = "sha0_fck", + .addr = am33xx_sha0_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3 main -> AES0 HIB2 */ +static struct omap_hwmod_addr_space am33xx_aes0_addrs[] = { + { + .pa_start = 0x53500000, + .pa_end = 0x53500000 + SZ_1M - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + +struct omap_hwmod_ocp_if am33xx_l3_main__aes0 = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_aes0_hwmod, + .clk = "aes0_fck", + .addr = am33xx_aes0_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c new file mode 100644 index 00000000000..0f178623e7d --- /dev/null +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c @@ -0,0 +1,1469 @@ +/* + * + * Copyright (C) 2013 Texas Instruments Incorporated + * + * Hwmod common for AM335x and AM43x + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/platform_data/gpio-omap.h> +#include <linux/platform_data/spi-omap2-mcspi.h> +#include "omap_hwmod.h" +#include "i2c.h" +#include "mmc.h" +#include "wd_timer.h" +#include "cm33xx.h" +#include "prm33xx.h" +#include "omap_hwmod_33xx_43xx_common_data.h" +#include "prcm43xx.h" + +#define CLKCTRL(oh, clkctrl) ((oh).prcm.omap4.clkctrl_offs = (clkctrl)) +#define RSTCTRL(oh, rstctrl) ((oh).prcm.omap4.rstctrl_offs = (rstctrl)) +#define RSTST(oh, rstst) ((oh).prcm.omap4.rstst_offs = (rstst)) + +/* + * 'l3' class + * instance(s): l3_main, l3_s, l3_instr + */ +static struct omap_hwmod_class am33xx_l3_hwmod_class = { + .name = "l3", +}; + +struct omap_hwmod am33xx_l3_main_hwmod = { + .name = "l3_main", + .class = &am33xx_l3_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* l3_s */ +struct omap_hwmod am33xx_l3_s_hwmod = { + .name = "l3_s", + .class = &am33xx_l3_hwmod_class, + .clkdm_name = "l3s_clkdm", +}; + +/* l3_instr */ +struct omap_hwmod am33xx_l3_instr_hwmod = { + .name = "l3_instr", + .class = &am33xx_l3_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'l4' class + * instance(s): l4_ls, l4_hs, l4_wkup, l4_fw + */ +struct omap_hwmod_class am33xx_l4_hwmod_class = { + .name = "l4", +}; + +/* l4_ls */ +struct omap_hwmod am33xx_l4_ls_hwmod = { + .name = "l4_ls", + .class = &am33xx_l4_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* l4_wkup */ +struct omap_hwmod am33xx_l4_wkup_hwmod = { + .name = "l4_wkup", + .class = &am33xx_l4_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'mpu' class + */ +static struct omap_hwmod_class am33xx_mpu_hwmod_class = { + .name = "mpu", +}; + +struct omap_hwmod am33xx_mpu_hwmod = { + .name = "mpu", + .class = &am33xx_mpu_hwmod_class, + .clkdm_name = "mpu_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "dpll_mpu_m2_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'wakeup m3' class + * Wakeup controller sub-system under wakeup domain + */ +struct omap_hwmod_class am33xx_wkup_m3_hwmod_class = { + .name = "wkup_m3", +}; + +/* + * 'pru-icss' class + * Programmable Real-Time Unit and Industrial Communication Subsystem + */ +static struct omap_hwmod_class am33xx_pruss_hwmod_class = { + .name = "pruss", +}; + +static struct omap_hwmod_rst_info am33xx_pruss_resets[] = { + { .name = "pruss", .rst_shift = 1 }, +}; + +/* pru-icss */ +/* Pseudo hwmod for reset control purpose only */ +struct omap_hwmod am33xx_pruss_hwmod = { + .name = "pruss", + .class = &am33xx_pruss_hwmod_class, + .clkdm_name = "pruss_ocp_clkdm", + .main_clk = "pruss_ocp_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .rst_lines = am33xx_pruss_resets, + .rst_lines_cnt = ARRAY_SIZE(am33xx_pruss_resets), +}; + +/* gfx */ +/* Pseudo hwmod for reset control purpose only */ +static struct omap_hwmod_class am33xx_gfx_hwmod_class = { + .name = "gfx", +}; + +static struct omap_hwmod_rst_info am33xx_gfx_resets[] = { + { .name = "gfx", .rst_shift = 0, .st_shift = 0}, +}; + +struct omap_hwmod am33xx_gfx_hwmod = { + .name = "gfx", + .class = &am33xx_gfx_hwmod_class, + .clkdm_name = "gfx_l3_clkdm", + .main_clk = "gfx_fck_div_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .rst_lines = am33xx_gfx_resets, + .rst_lines_cnt = ARRAY_SIZE(am33xx_gfx_resets), +}; + +/* + * 'prcm' class + * power and reset manager (whole prcm infrastructure) + */ +static struct omap_hwmod_class am33xx_prcm_hwmod_class = { + .name = "prcm", +}; + +/* prcm */ +struct omap_hwmod am33xx_prcm_hwmod = { + .name = "prcm", + .class = &am33xx_prcm_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", +}; + +/* + * 'aes0' class + */ +static struct omap_hwmod_class_sysconfig am33xx_aes0_sysc = { + .rev_offs = 0x80, + .sysc_offs = 0x84, + .syss_offs = 0x88, + .sysc_flags = SYSS_HAS_RESET_STATUS, +}; + +static struct omap_hwmod_class am33xx_aes0_hwmod_class = { + .name = "aes0", + .sysc = &am33xx_aes0_sysc, +}; + +struct omap_hwmod am33xx_aes0_hwmod = { + .name = "aes", + .class = &am33xx_aes0_hwmod_class, + .clkdm_name = "l3_clkdm", + .main_clk = "aes0_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* sha0 HIB2 (the 'P' (public) device) */ +static struct omap_hwmod_class_sysconfig am33xx_sha0_sysc = { + .rev_offs = 0x100, + .sysc_offs = 0x110, + .syss_offs = 0x114, + .sysc_flags = SYSS_HAS_RESET_STATUS, +}; + +static struct omap_hwmod_class am33xx_sha0_hwmod_class = { + .name = "sha0", + .sysc = &am33xx_sha0_sysc, +}; + +struct omap_hwmod am33xx_sha0_hwmod = { + .name = "sham", + .class = &am33xx_sha0_hwmod_class, + .clkdm_name = "l3_clkdm", + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* ocmcram */ +static struct omap_hwmod_class am33xx_ocmcram_hwmod_class = { + .name = "ocmcram", +}; + +struct omap_hwmod am33xx_ocmcram_hwmod = { + .name = "ocmcram", + .class = &am33xx_ocmcram_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'smartreflex' class */ +static struct omap_hwmod_class am33xx_smartreflex_hwmod_class = { + .name = "smartreflex", +}; + +/* smartreflex0 */ +struct omap_hwmod am33xx_smartreflex0_hwmod = { + .name = "smartreflex0", + .class = &am33xx_smartreflex_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .main_clk = "smartreflex0_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* smartreflex1 */ +struct omap_hwmod am33xx_smartreflex1_hwmod = { + .name = "smartreflex1", + .class = &am33xx_smartreflex_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .main_clk = "smartreflex1_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'control' module class + */ +struct omap_hwmod_class am33xx_control_hwmod_class = { + .name = "control", +}; + +/* + * 'cpgmac' class + * cpsw/cpgmac sub system + */ +static struct omap_hwmod_class_sysconfig am33xx_cpgmac_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x8, + .syss_offs = 0x4, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | MSTANDBY_FORCE | + MSTANDBY_NO), + .sysc_fields = &omap_hwmod_sysc_type3, +}; + +static struct omap_hwmod_class am33xx_cpgmac0_hwmod_class = { + .name = "cpgmac0", + .sysc = &am33xx_cpgmac_sysc, +}; + +struct omap_hwmod am33xx_cpgmac0_hwmod = { + .name = "cpgmac0", + .class = &am33xx_cpgmac0_hwmod_class, + .clkdm_name = "cpsw_125mhz_clkdm", + .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), + .main_clk = "cpsw_125mhz_gclk", + .mpu_rt_idx = 1, + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * mdio class + */ +static struct omap_hwmod_class am33xx_mdio_hwmod_class = { + .name = "davinci_mdio", +}; + +struct omap_hwmod am33xx_mdio_hwmod = { + .name = "davinci_mdio", + .class = &am33xx_mdio_hwmod_class, + .clkdm_name = "cpsw_125mhz_clkdm", + .main_clk = "cpsw_125mhz_gclk", +}; + +/* + * dcan class + */ +static struct omap_hwmod_class am33xx_dcan_hwmod_class = { + .name = "d_can", +}; + +/* dcan0 */ +struct omap_hwmod am33xx_dcan0_hwmod = { + .name = "d_can0", + .class = &am33xx_dcan_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dcan0_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* dcan1 */ +struct omap_hwmod am33xx_dcan1_hwmod = { + .name = "d_can1", + .class = &am33xx_dcan_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dcan1_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* elm */ +static struct omap_hwmod_class_sysconfig am33xx_elm_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_elm_hwmod_class = { + .name = "elm", + .sysc = &am33xx_elm_sysc, +}; + +struct omap_hwmod am33xx_elm_hwmod = { + .name = "elm", + .class = &am33xx_elm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* pwmss */ +static struct omap_hwmod_class_sysconfig am33xx_epwmss_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x4, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +struct omap_hwmod_class am33xx_epwmss_hwmod_class = { + .name = "epwmss", + .sysc = &am33xx_epwmss_sysc, +}; + +static struct omap_hwmod_class am33xx_ecap_hwmod_class = { + .name = "ecap", +}; + +static struct omap_hwmod_class am33xx_eqep_hwmod_class = { + .name = "eqep", +}; + +struct omap_hwmod_class am33xx_ehrpwm_hwmod_class = { + .name = "ehrpwm", +}; + +/* epwmss0 */ +struct omap_hwmod am33xx_epwmss0_hwmod = { + .name = "epwmss0", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* ecap0 */ +struct omap_hwmod am33xx_ecap0_hwmod = { + .name = "ecap0", + .class = &am33xx_ecap_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* eqep0 */ +struct omap_hwmod am33xx_eqep0_hwmod = { + .name = "eqep0", + .class = &am33xx_eqep_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* ehrpwm0 */ +struct omap_hwmod am33xx_ehrpwm0_hwmod = { + .name = "ehrpwm0", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* epwmss1 */ +struct omap_hwmod am33xx_epwmss1_hwmod = { + .name = "epwmss1", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* ecap1 */ +struct omap_hwmod am33xx_ecap1_hwmod = { + .name = "ecap1", + .class = &am33xx_ecap_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* eqep1 */ +struct omap_hwmod am33xx_eqep1_hwmod = { + .name = "eqep1", + .class = &am33xx_eqep_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* ehrpwm1 */ +struct omap_hwmod am33xx_ehrpwm1_hwmod = { + .name = "ehrpwm1", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* epwmss2 */ +struct omap_hwmod am33xx_epwmss2_hwmod = { + .name = "epwmss2", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* ecap2 */ +struct omap_hwmod am33xx_ecap2_hwmod = { + .name = "ecap2", + .class = &am33xx_ecap_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* eqep2 */ +struct omap_hwmod am33xx_eqep2_hwmod = { + .name = "eqep2", + .class = &am33xx_eqep_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* ehrpwm2 */ +struct omap_hwmod am33xx_ehrpwm2_hwmod = { + .name = "ehrpwm2", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +/* + * 'gpio' class: for gpio 0,1,2,3 + */ +static struct omap_hwmod_class_sysconfig am33xx_gpio_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0114, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_ENAWAKEUP | + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +struct omap_hwmod_class am33xx_gpio_hwmod_class = { + .name = "gpio", + .sysc = &am33xx_gpio_sysc, + .rev = 2, +}; + +struct omap_gpio_dev_attr gpio_dev_attr = { + .bank_width = 32, + .dbck_flag = true, +}; + +/* gpio1 */ +static struct omap_hwmod_opt_clk gpio1_opt_clks[] = { + { .role = "dbclk", .clk = "gpio1_dbclk" }, +}; + +struct omap_hwmod am33xx_gpio1_hwmod = { + .name = "gpio2", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio1_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio1_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +/* gpio2 */ +static struct omap_hwmod_opt_clk gpio2_opt_clks[] = { + { .role = "dbclk", .clk = "gpio2_dbclk" }, +}; + +struct omap_hwmod am33xx_gpio2_hwmod = { + .name = "gpio3", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio2_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio2_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +/* gpio3 */ +static struct omap_hwmod_opt_clk gpio3_opt_clks[] = { + { .role = "dbclk", .clk = "gpio3_dbclk" }, +}; + +struct omap_hwmod am33xx_gpio3_hwmod = { + .name = "gpio4", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio3_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio3_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +/* gpmc */ +static struct omap_hwmod_class_sysconfig gpmc_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x10, + .syss_offs = 0x14, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_gpmc_hwmod_class = { + .name = "gpmc", + .sysc = &gpmc_sysc, +}; + +struct omap_hwmod am33xx_gpmc_hwmod = { + .name = "gpmc", + .class = &am33xx_gpmc_hwmod_class, + .clkdm_name = "l3s_clkdm", + .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .main_clk = "l3s_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'i2c' class */ +static struct omap_hwmod_class_sysconfig am33xx_i2c_sysc = { + .sysc_offs = 0x0010, + .syss_offs = 0x0090, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class i2c_class = { + .name = "i2c", + .sysc = &am33xx_i2c_sysc, + .rev = OMAP_I2C_IP_VERSION_2, + .reset = &omap_i2c_reset, +}; + +static struct omap_i2c_dev_attr i2c_dev_attr = { + .flags = OMAP_I2C_FLAG_BUS_SHIFT_NONE, +}; + +/* i2c1 */ +struct omap_hwmod am33xx_i2c1_hwmod = { + .name = "i2c1", + .class = &i2c_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, + .main_clk = "dpll_per_m2_div4_wkupdm_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &i2c_dev_attr, +}; + +/* i2c1 */ +struct omap_hwmod am33xx_i2c2_hwmod = { + .name = "i2c2", + .class = &i2c_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &i2c_dev_attr, +}; + +/* i2c3 */ +struct omap_hwmod am33xx_i2c3_hwmod = { + .name = "i2c3", + .class = &i2c_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &i2c_dev_attr, +}; + +/* + * 'mailbox' class + * mailbox module allowing communication between the on-chip processors using a + * queued mailbox-interrupt mechanism. + */ +static struct omap_hwmod_class_sysconfig am33xx_mailbox_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .sysc_flags = (SYSC_HAS_RESET_STATUS | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class am33xx_mailbox_hwmod_class = { + .name = "mailbox", + .sysc = &am33xx_mailbox_sysc, +}; + +struct omap_hwmod am33xx_mailbox_hwmod = { + .name = "mailbox", + .class = &am33xx_mailbox_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'mcasp' class + */ +static struct omap_hwmod_class_sysconfig am33xx_mcasp_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x4, + .sysc_flags = SYSC_HAS_SIDLEMODE, + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type3, +}; + +static struct omap_hwmod_class am33xx_mcasp_hwmod_class = { + .name = "mcasp", + .sysc = &am33xx_mcasp_sysc, +}; + +/* mcasp0 */ +struct omap_hwmod am33xx_mcasp0_hwmod = { + .name = "mcasp0", + .class = &am33xx_mcasp_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "mcasp0_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* mcasp1 */ +struct omap_hwmod am33xx_mcasp1_hwmod = { + .name = "mcasp1", + .class = &am33xx_mcasp_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "mcasp1_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'mmc' class */ +static struct omap_hwmod_class_sysconfig am33xx_mmc_sysc = { + .rev_offs = 0x1fc, + .sysc_offs = 0x10, + .syss_offs = 0x14, + .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | + SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_mmc_hwmod_class = { + .name = "mmc", + .sysc = &am33xx_mmc_sysc, +}; + +/* mmc0 */ +static struct omap_mmc_dev_attr am33xx_mmc0_dev_attr = { + .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, +}; + +struct omap_hwmod am33xx_mmc0_hwmod = { + .name = "mmc1", + .class = &am33xx_mmc_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "mmc_clk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &am33xx_mmc0_dev_attr, +}; + +/* mmc1 */ +static struct omap_mmc_dev_attr am33xx_mmc1_dev_attr = { + .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, +}; + +struct omap_hwmod am33xx_mmc1_hwmod = { + .name = "mmc2", + .class = &am33xx_mmc_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "mmc_clk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &am33xx_mmc1_dev_attr, +}; + +/* mmc2 */ +static struct omap_mmc_dev_attr am33xx_mmc2_dev_attr = { + .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, +}; +struct omap_hwmod am33xx_mmc2_hwmod = { + .name = "mmc3", + .class = &am33xx_mmc_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "mmc_clk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &am33xx_mmc2_dev_attr, +}; + +/* + * 'rtc' class + * rtc subsystem + */ +static struct omap_hwmod_class_sysconfig am33xx_rtc_sysc = { + .rev_offs = 0x0074, + .sysc_offs = 0x0078, + .sysc_flags = SYSC_HAS_SIDLEMODE, + .idlemodes = (SIDLE_FORCE | SIDLE_NO | + SIDLE_SMART | SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type3, +}; + +static struct omap_hwmod_class am33xx_rtc_hwmod_class = { + .name = "rtc", + .sysc = &am33xx_rtc_sysc, +}; + +struct omap_hwmod am33xx_rtc_hwmod = { + .name = "rtc", + .class = &am33xx_rtc_hwmod_class, + .clkdm_name = "l4_rtc_clkdm", + .main_clk = "clk_32768_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'spi' class */ +static struct omap_hwmod_class_sysconfig am33xx_mcspi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0110, + .syss_offs = 0x0114, + .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +struct omap_hwmod_class am33xx_spi_hwmod_class = { + .name = "mcspi", + .sysc = &am33xx_mcspi_sysc, + .rev = OMAP4_MCSPI_REV, +}; + +/* spi0 */ +struct omap2_mcspi_dev_attr mcspi_attrib = { + .num_chipselect = 2, +}; +struct omap_hwmod am33xx_spi0_hwmod = { + .name = "spi0", + .class = &am33xx_spi_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &mcspi_attrib, +}; + +/* spi1 */ +struct omap_hwmod am33xx_spi1_hwmod = { + .name = "spi1", + .class = &am33xx_spi_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &mcspi_attrib, +}; + +/* + * 'spinlock' class + * spinlock provides hardware assistance for synchronizing the + * processes running on multiple processors + */ + +static struct omap_hwmod_class_sysconfig am33xx_spinlock_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_spinlock_hwmod_class = { + .name = "spinlock", + .sysc = &am33xx_spinlock_sysc, +}; + +struct omap_hwmod am33xx_spinlock_hwmod = { + .name = "spinlock", + .class = &am33xx_spinlock_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'timer 2-7' class */ +static struct omap_hwmod_class_sysconfig am33xx_timer_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +struct omap_hwmod_class am33xx_timer_hwmod_class = { + .name = "timer", + .sysc = &am33xx_timer_sysc, +}; + +/* timer1 1ms */ +static struct omap_hwmod_class_sysconfig am33xx_timer1ms_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_timer1ms_hwmod_class = { + .name = "timer", + .sysc = &am33xx_timer1ms_sysc, +}; + +struct omap_hwmod am33xx_timer1_hwmod = { + .name = "timer1", + .class = &am33xx_timer1ms_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .main_clk = "timer1_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer2_hwmod = { + .name = "timer2", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer2_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer3_hwmod = { + .name = "timer3", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer3_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer4_hwmod = { + .name = "timer4", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer4_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer5_hwmod = { + .name = "timer5", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer5_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer6_hwmod = { + .name = "timer6", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer6_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_timer7_hwmod = { + .name = "timer7", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer7_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* tpcc */ +static struct omap_hwmod_class am33xx_tpcc_hwmod_class = { + .name = "tpcc", +}; + +struct omap_hwmod am33xx_tpcc_hwmod = { + .name = "tpcc", + .class = &am33xx_tpcc_hwmod_class, + .clkdm_name = "l3_clkdm", + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_class_sysconfig am33xx_tptc_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x10, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | + SYSC_HAS_MIDLEMODE), + .idlemodes = (SIDLE_FORCE | SIDLE_SMART | MSTANDBY_FORCE), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +/* 'tptc' class */ +static struct omap_hwmod_class am33xx_tptc_hwmod_class = { + .name = "tptc", + .sysc = &am33xx_tptc_sysc, +}; + +/* tptc0 */ +struct omap_hwmod am33xx_tptc0_hwmod = { + .name = "tptc0", + .class = &am33xx_tptc_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* tptc1 */ +struct omap_hwmod am33xx_tptc1_hwmod = { + .name = "tptc1", + .class = &am33xx_tptc_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* tptc2 */ +struct omap_hwmod am33xx_tptc2_hwmod = { + .name = "tptc2", + .class = &am33xx_tptc_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'uart' class */ +static struct omap_hwmod_class_sysconfig uart_sysc = { + .rev_offs = 0x50, + .sysc_offs = 0x54, + .syss_offs = 0x58, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class uart_class = { + .name = "uart", + .sysc = &uart_sysc, +}; + +struct omap_hwmod am33xx_uart1_hwmod = { + .name = "uart1", + .class = &uart_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = DEBUG_AM33XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_wkupdm_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_uart2_hwmod = { + .name = "uart2", + .class = &uart_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* uart3 */ +struct omap_hwmod am33xx_uart3_hwmod = { + .name = "uart3", + .class = &uart_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_uart4_hwmod = { + .name = "uart4", + .class = &uart_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_uart5_hwmod = { + .name = "uart5", + .class = &uart_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod am33xx_uart6_hwmod = { + .name = "uart6", + .class = &uart_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* 'wd_timer' class */ +static struct omap_hwmod_class_sysconfig wdt_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x10, + .syss_offs = 0x14, + .sysc_flags = (SYSC_HAS_EMUFREE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_wd_timer_hwmod_class = { + .name = "wd_timer", + .sysc = &wdt_sysc, + .pre_shutdown = &omap2_wd_timer_disable, +}; + +/* + * XXX: device.c file uses hardcoded name for watchdog timer + * driver "wd_timer2, so we are also using same name as of now... + */ +struct omap_hwmod am33xx_wd_timer1_hwmod = { + .name = "wd_timer2", + .class = &am33xx_wd_timer_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_SWSUP_SIDLE, + .main_clk = "wdt1_fck", + .prcm = { + .omap4 = { + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static void omap_hwmod_am33xx_clkctrl(void) +{ + CLKCTRL(am33xx_uart2_hwmod, AM33XX_CM_PER_UART1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart3_hwmod, AM33XX_CM_PER_UART2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart4_hwmod, AM33XX_CM_PER_UART3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart5_hwmod, AM33XX_CM_PER_UART4_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart6_hwmod, AM33XX_CM_PER_UART5_CLKCTRL_OFFSET); + CLKCTRL(am33xx_dcan0_hwmod, AM33XX_CM_PER_DCAN0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_dcan1_hwmod, AM33XX_CM_PER_DCAN1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_elm_hwmod, AM33XX_CM_PER_ELM_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss0_hwmod, AM33XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss1_hwmod, AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss2_hwmod, AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio1_hwmod, AM33XX_CM_PER_GPIO1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio2_hwmod, AM33XX_CM_PER_GPIO2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio3_hwmod, AM33XX_CM_PER_GPIO3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c2_hwmod, AM33XX_CM_PER_I2C1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c3_hwmod, AM33XX_CM_PER_I2C2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mailbox_hwmod, AM33XX_CM_PER_MAILBOX0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mcasp0_hwmod, AM33XX_CM_PER_MCASP0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mcasp1_hwmod, AM33XX_CM_PER_MCASP1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc0_hwmod, AM33XX_CM_PER_MMC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc1_hwmod, AM33XX_CM_PER_MMC1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spi0_hwmod, AM33XX_CM_PER_SPI0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spi1_hwmod, AM33XX_CM_PER_SPI1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spinlock_hwmod, AM33XX_CM_PER_SPINLOCK_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer2_hwmod, AM33XX_CM_PER_TIMER2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer3_hwmod, AM33XX_CM_PER_TIMER3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer4_hwmod, AM33XX_CM_PER_TIMER4_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer5_hwmod, AM33XX_CM_PER_TIMER5_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer6_hwmod, AM33XX_CM_PER_TIMER6_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer7_hwmod, AM33XX_CM_PER_TIMER7_CLKCTRL_OFFSET); + CLKCTRL(am33xx_smartreflex0_hwmod, + AM33XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_smartreflex1_hwmod, + AM33XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart1_hwmod, AM33XX_CM_WKUP_UART0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer1_hwmod, AM33XX_CM_WKUP_TIMER1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c1_hwmod, AM33XX_CM_WKUP_I2C0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_wd_timer1_hwmod, AM33XX_CM_WKUP_WDT1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_rtc_hwmod, AM33XX_CM_RTC_RTC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc2_hwmod, AM33XX_CM_PER_MMC2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpmc_hwmod, AM33XX_CM_PER_GPMC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l4_ls_hwmod, AM33XX_CM_PER_L4LS_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l4_wkup_hwmod, AM33XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l3_main_hwmod, AM33XX_CM_PER_L3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tpcc_hwmod, AM33XX_CM_PER_TPCC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc0_hwmod, AM33XX_CM_PER_TPTC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc1_hwmod, AM33XX_CM_PER_TPTC1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc2_hwmod, AM33XX_CM_PER_TPTC2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gfx_hwmod, AM33XX_CM_GFX_GFX_CLKCTRL_OFFSET); + CLKCTRL(am33xx_cpgmac0_hwmod, AM33XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_pruss_hwmod, AM33XX_CM_PER_PRUSS_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mpu_hwmod , AM33XX_CM_MPU_MPU_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l3_instr_hwmod , AM33XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET); + CLKCTRL(am33xx_ocmcram_hwmod , AM33XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET); + CLKCTRL(am33xx_sha0_hwmod , AM33XX_CM_PER_SHA0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_aes0_hwmod , AM33XX_CM_PER_AES0_CLKCTRL_OFFSET); +} + +static void omap_hwmod_am33xx_rst(void) +{ + RSTCTRL(am33xx_pruss_hwmod, AM33XX_RM_PER_RSTCTRL_OFFSET); + RSTCTRL(am33xx_gfx_hwmod, AM33XX_RM_GFX_RSTCTRL_OFFSET); + RSTST(am33xx_gfx_hwmod, AM33XX_RM_GFX_RSTST_OFFSET); +} + +void omap_hwmod_am33xx_reg(void) +{ + omap_hwmod_am33xx_clkctrl(); + omap_hwmod_am33xx_rst(); +} + +static void omap_hwmod_am43xx_clkctrl(void) +{ + CLKCTRL(am33xx_uart2_hwmod, AM43XX_CM_PER_UART1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart3_hwmod, AM43XX_CM_PER_UART2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart4_hwmod, AM43XX_CM_PER_UART3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart5_hwmod, AM43XX_CM_PER_UART4_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart6_hwmod, AM43XX_CM_PER_UART5_CLKCTRL_OFFSET); + CLKCTRL(am33xx_dcan0_hwmod, AM43XX_CM_PER_DCAN0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_dcan1_hwmod, AM43XX_CM_PER_DCAN1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_elm_hwmod, AM43XX_CM_PER_ELM_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss0_hwmod, AM43XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss1_hwmod, AM43XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_epwmss2_hwmod, AM43XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio1_hwmod, AM43XX_CM_PER_GPIO1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio2_hwmod, AM43XX_CM_PER_GPIO2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpio3_hwmod, AM43XX_CM_PER_GPIO3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c2_hwmod, AM43XX_CM_PER_I2C1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c3_hwmod, AM43XX_CM_PER_I2C2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mailbox_hwmod, AM43XX_CM_PER_MAILBOX0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mcasp0_hwmod, AM43XX_CM_PER_MCASP0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mcasp1_hwmod, AM43XX_CM_PER_MCASP1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc0_hwmod, AM43XX_CM_PER_MMC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc1_hwmod, AM43XX_CM_PER_MMC1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spi0_hwmod, AM43XX_CM_PER_SPI0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spi1_hwmod, AM43XX_CM_PER_SPI1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_spinlock_hwmod, AM43XX_CM_PER_SPINLOCK_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer2_hwmod, AM43XX_CM_PER_TIMER2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer3_hwmod, AM43XX_CM_PER_TIMER3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer4_hwmod, AM43XX_CM_PER_TIMER4_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer5_hwmod, AM43XX_CM_PER_TIMER5_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer6_hwmod, AM43XX_CM_PER_TIMER6_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer7_hwmod, AM43XX_CM_PER_TIMER7_CLKCTRL_OFFSET); + CLKCTRL(am33xx_smartreflex0_hwmod, + AM43XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_smartreflex1_hwmod, + AM43XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_uart1_hwmod, AM43XX_CM_WKUP_UART0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_timer1_hwmod, AM43XX_CM_WKUP_TIMER1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_i2c1_hwmod, AM43XX_CM_WKUP_I2C0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_wd_timer1_hwmod, AM43XX_CM_WKUP_WDT1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_rtc_hwmod, AM43XX_CM_RTC_RTC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mmc2_hwmod, AM43XX_CM_PER_MMC2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gpmc_hwmod, AM43XX_CM_PER_GPMC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l4_ls_hwmod, AM43XX_CM_PER_L4LS_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l4_wkup_hwmod, AM43XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l3_main_hwmod, AM43XX_CM_PER_L3_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tpcc_hwmod, AM43XX_CM_PER_TPCC_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc0_hwmod, AM43XX_CM_PER_TPTC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc1_hwmod, AM43XX_CM_PER_TPTC1_CLKCTRL_OFFSET); + CLKCTRL(am33xx_tptc2_hwmod, AM43XX_CM_PER_TPTC2_CLKCTRL_OFFSET); + CLKCTRL(am33xx_gfx_hwmod, AM43XX_CM_GFX_GFX_CLKCTRL_OFFSET); + CLKCTRL(am33xx_cpgmac0_hwmod, AM43XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_pruss_hwmod, AM43XX_CM_PER_PRUSS_CLKCTRL_OFFSET); + CLKCTRL(am33xx_mpu_hwmod , AM43XX_CM_MPU_MPU_CLKCTRL_OFFSET); + CLKCTRL(am33xx_l3_instr_hwmod , AM43XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET); + CLKCTRL(am33xx_ocmcram_hwmod , AM43XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET); + CLKCTRL(am33xx_sha0_hwmod , AM43XX_CM_PER_SHA0_CLKCTRL_OFFSET); + CLKCTRL(am33xx_aes0_hwmod , AM43XX_CM_PER_AES0_CLKCTRL_OFFSET); +} + +static void omap_hwmod_am43xx_rst(void) +{ + RSTCTRL(am33xx_pruss_hwmod, AM43XX_RM_PER_RSTCTRL_OFFSET); + RSTCTRL(am33xx_gfx_hwmod, AM43XX_RM_GFX_RSTCTRL_OFFSET); + RSTST(am33xx_gfx_hwmod, AM43XX_RM_GFX_RSTST_OFFSET); +} + +void omap_hwmod_am43xx_reg(void) +{ + omap_hwmod_am43xx_clkctrl(); + omap_hwmod_am43xx_rst(); +} diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 215894f8910..6b406ca4bd3 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -29,6 +29,7 @@ #include "i2c.h" #include "mmc.h" #include "wd_timer.h" +#include "omap_hwmod_33xx_43xx_common_data.h" /* * IP blocks @@ -52,7 +53,7 @@ static struct omap_hwmod am33xx_emif_hwmod = { .name = "emif", .class = &am33xx_emif_hwmod_class, .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_ddr_m2_div2_ck", .prcm = { .omap4 = { @@ -62,79 +63,12 @@ static struct omap_hwmod am33xx_emif_hwmod = { }, }; -/* - * 'l3' class - * instance(s): l3_main, l3_s, l3_instr - */ -static struct omap_hwmod_class am33xx_l3_hwmod_class = { - .name = "l3", -}; - -static struct omap_hwmod am33xx_l3_main_hwmod = { - .name = "l3_main", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_L3_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* l3_s */ -static struct omap_hwmod am33xx_l3_s_hwmod = { - .name = "l3_s", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3s_clkdm", -}; - -/* l3_instr */ -static struct omap_hwmod am33xx_l3_instr_hwmod = { - .name = "l3_instr", - .class = &am33xx_l3_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'l4' class - * instance(s): l4_ls, l4_hs, l4_wkup, l4_fw - */ -static struct omap_hwmod_class am33xx_l4_hwmod_class = { - .name = "l4", -}; - -/* l4_ls */ -static struct omap_hwmod am33xx_l4_ls_hwmod = { - .name = "l4_ls", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_L4LS_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - /* l4_hs */ static struct omap_hwmod am33xx_l4_hs_hwmod = { .name = "l4_hs", .class = &am33xx_l4_hwmod_class, .clkdm_name = "l4hs_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l4hs_gclk", .prcm = { .omap4 = { @@ -144,50 +78,6 @@ static struct omap_hwmod am33xx_l4_hs_hwmod = { }, }; - -/* l4_wkup */ -static struct omap_hwmod am33xx_l4_wkup_hwmod = { - .name = "l4_wkup", - .class = &am33xx_l4_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'mpu' class - */ -static struct omap_hwmod_class am33xx_mpu_hwmod_class = { - .name = "mpu", -}; - -static struct omap_hwmod am33xx_mpu_hwmod = { - .name = "mpu", - .class = &am33xx_mpu_hwmod_class, - .clkdm_name = "mpu_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "dpll_mpu_m2_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_MPU_MPU_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'wakeup m3' class - * Wakeup controller sub-system under wakeup domain - */ -static struct omap_hwmod_class am33xx_wkup_m3_hwmod_class = { - .name = "wkup_m3", -}; - static struct omap_hwmod_rst_info am33xx_wkup_m3_resets[] = { { .name = "wkup_m3", .rst_shift = 3, .st_shift = 5 }, }; @@ -213,78 +103,6 @@ static struct omap_hwmod am33xx_wkup_m3_hwmod = { }; /* - * 'pru-icss' class - * Programmable Real-Time Unit and Industrial Communication Subsystem - */ -static struct omap_hwmod_class am33xx_pruss_hwmod_class = { - .name = "pruss", -}; - -static struct omap_hwmod_rst_info am33xx_pruss_resets[] = { - { .name = "pruss", .rst_shift = 1 }, -}; - -/* pru-icss */ -/* Pseudo hwmod for reset control purpose only */ -static struct omap_hwmod am33xx_pruss_hwmod = { - .name = "pruss", - .class = &am33xx_pruss_hwmod_class, - .clkdm_name = "pruss_ocp_clkdm", - .main_clk = "pruss_ocp_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_PRUSS_CLKCTRL_OFFSET, - .rstctrl_offs = AM33XX_RM_PER_RSTCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .rst_lines = am33xx_pruss_resets, - .rst_lines_cnt = ARRAY_SIZE(am33xx_pruss_resets), -}; - -/* gfx */ -/* Pseudo hwmod for reset control purpose only */ -static struct omap_hwmod_class am33xx_gfx_hwmod_class = { - .name = "gfx", -}; - -static struct omap_hwmod_rst_info am33xx_gfx_resets[] = { - { .name = "gfx", .rst_shift = 0, .st_shift = 0}, -}; - -static struct omap_hwmod am33xx_gfx_hwmod = { - .name = "gfx", - .class = &am33xx_gfx_hwmod_class, - .clkdm_name = "gfx_l3_clkdm", - .main_clk = "gfx_fck_div_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_GFX_GFX_CLKCTRL_OFFSET, - .rstctrl_offs = AM33XX_RM_GFX_RSTCTRL_OFFSET, - .rstst_offs = AM33XX_RM_GFX_RSTST_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .rst_lines = am33xx_gfx_resets, - .rst_lines_cnt = ARRAY_SIZE(am33xx_gfx_resets), -}; - -/* - * 'prcm' class - * power and reset manager (whole prcm infrastructure) - */ -static struct omap_hwmod_class am33xx_prcm_hwmod_class = { - .name = "prcm", -}; - -/* prcm */ -static struct omap_hwmod am33xx_prcm_hwmod = { - .name = "prcm", - .class = &am33xx_prcm_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", -}; - -/* * 'adc/tsc' class * TouchScreen Controller (Anolog-To-Digital Converter) */ @@ -388,79 +206,6 @@ static struct omap_hwmod am33xx_ocpwp_hwmod = { #endif /* - * 'aes0' class - */ -static struct omap_hwmod_class_sysconfig am33xx_aes0_sysc = { - .rev_offs = 0x80, - .sysc_offs = 0x84, - .syss_offs = 0x88, - .sysc_flags = SYSS_HAS_RESET_STATUS, -}; - -static struct omap_hwmod_class am33xx_aes0_hwmod_class = { - .name = "aes0", - .sysc = &am33xx_aes0_sysc, -}; - -static struct omap_hwmod am33xx_aes0_hwmod = { - .name = "aes", - .class = &am33xx_aes0_hwmod_class, - .clkdm_name = "l3_clkdm", - .main_clk = "aes0_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_AES0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* sha0 HIB2 (the 'P' (public) device) */ -static struct omap_hwmod_class_sysconfig am33xx_sha0_sysc = { - .rev_offs = 0x100, - .sysc_offs = 0x110, - .syss_offs = 0x114, - .sysc_flags = SYSS_HAS_RESET_STATUS, -}; - -static struct omap_hwmod_class am33xx_sha0_hwmod_class = { - .name = "sha0", - .sysc = &am33xx_sha0_sysc, -}; - -static struct omap_hwmod am33xx_sha0_hwmod = { - .name = "sham", - .class = &am33xx_sha0_hwmod_class, - .clkdm_name = "l3_clkdm", - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_SHA0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* ocmcram */ -static struct omap_hwmod_class am33xx_ocmcram_hwmod_class = { - .name = "ocmcram", -}; - -static struct omap_hwmod am33xx_ocmcram_hwmod = { - .name = "ocmcram", - .class = &am33xx_ocmcram_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* * 'debugss' class * debug sub system */ @@ -488,51 +233,11 @@ static struct omap_hwmod am33xx_debugss_hwmod = { .opt_clks_cnt = ARRAY_SIZE(debugss_opt_clks), }; -/* 'smartreflex' class */ -static struct omap_hwmod_class am33xx_smartreflex_hwmod_class = { - .name = "smartreflex", -}; - -/* smartreflex0 */ -static struct omap_hwmod am33xx_smartreflex0_hwmod = { - .name = "smartreflex0", - .class = &am33xx_smartreflex_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .main_clk = "smartreflex0_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* smartreflex1 */ -static struct omap_hwmod am33xx_smartreflex1_hwmod = { - .name = "smartreflex1", - .class = &am33xx_smartreflex_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .main_clk = "smartreflex1_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'control' module class - */ -static struct omap_hwmod_class am33xx_control_hwmod_class = { - .name = "control", -}; - static struct omap_hwmod am33xx_control_hwmod = { .name = "control", .class = &am33xx_control_hwmod_class, .clkdm_name = "l4_wkup_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_m4_div2_ck", .prcm = { .omap4 = { @@ -542,288 +247,6 @@ static struct omap_hwmod am33xx_control_hwmod = { }, }; -/* - * 'cpgmac' class - * cpsw/cpgmac sub system - */ -static struct omap_hwmod_class_sysconfig am33xx_cpgmac_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x8, - .syss_offs = 0x4, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE | - SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | MSTANDBY_FORCE | - MSTANDBY_NO), - .sysc_fields = &omap_hwmod_sysc_type3, -}; - -static struct omap_hwmod_class am33xx_cpgmac0_hwmod_class = { - .name = "cpgmac0", - .sysc = &am33xx_cpgmac_sysc, -}; - -static struct omap_hwmod am33xx_cpgmac0_hwmod = { - .name = "cpgmac0", - .class = &am33xx_cpgmac0_hwmod_class, - .clkdm_name = "cpsw_125mhz_clkdm", - .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), - .main_clk = "cpsw_125mhz_gclk", - .mpu_rt_idx = 1, - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * mdio class - */ -static struct omap_hwmod_class am33xx_mdio_hwmod_class = { - .name = "davinci_mdio", -}; - -static struct omap_hwmod am33xx_mdio_hwmod = { - .name = "davinci_mdio", - .class = &am33xx_mdio_hwmod_class, - .clkdm_name = "cpsw_125mhz_clkdm", - .main_clk = "cpsw_125mhz_gclk", -}; - -/* - * dcan class - */ -static struct omap_hwmod_class am33xx_dcan_hwmod_class = { - .name = "d_can", -}; - -/* dcan0 */ -static struct omap_hwmod am33xx_dcan0_hwmod = { - .name = "d_can0", - .class = &am33xx_dcan_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "dcan0_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_DCAN0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* dcan1 */ -static struct omap_hwmod am33xx_dcan1_hwmod = { - .name = "d_can1", - .class = &am33xx_dcan_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "dcan1_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_DCAN1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* elm */ -static struct omap_hwmod_class_sysconfig am33xx_elm_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | - SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_elm_hwmod_class = { - .name = "elm", - .sysc = &am33xx_elm_sysc, -}; - -static struct omap_hwmod am33xx_elm_hwmod = { - .name = "elm", - .class = &am33xx_elm_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_ELM_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* pwmss */ -static struct omap_hwmod_class_sysconfig am33xx_epwmss_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x4, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | - MSTANDBY_SMART | MSTANDBY_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type2, -}; - -static struct omap_hwmod_class am33xx_epwmss_hwmod_class = { - .name = "epwmss", - .sysc = &am33xx_epwmss_sysc, -}; - -static struct omap_hwmod_class am33xx_ecap_hwmod_class = { - .name = "ecap", -}; - -static struct omap_hwmod_class am33xx_eqep_hwmod_class = { - .name = "eqep", -}; - -static struct omap_hwmod_class am33xx_ehrpwm_hwmod_class = { - .name = "ehrpwm", -}; - -/* epwmss0 */ -static struct omap_hwmod am33xx_epwmss0_hwmod = { - .name = "epwmss0", - .class = &am33xx_epwmss_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* ecap0 */ -static struct omap_hwmod am33xx_ecap0_hwmod = { - .name = "ecap0", - .class = &am33xx_ecap_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* eqep0 */ -static struct omap_hwmod am33xx_eqep0_hwmod = { - .name = "eqep0", - .class = &am33xx_eqep_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* ehrpwm0 */ -static struct omap_hwmod am33xx_ehrpwm0_hwmod = { - .name = "ehrpwm0", - .class = &am33xx_ehrpwm_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* epwmss1 */ -static struct omap_hwmod am33xx_epwmss1_hwmod = { - .name = "epwmss1", - .class = &am33xx_epwmss_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* ecap1 */ -static struct omap_hwmod am33xx_ecap1_hwmod = { - .name = "ecap1", - .class = &am33xx_ecap_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* eqep1 */ -static struct omap_hwmod am33xx_eqep1_hwmod = { - .name = "eqep1", - .class = &am33xx_eqep_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* ehrpwm1 */ -static struct omap_hwmod am33xx_ehrpwm1_hwmod = { - .name = "ehrpwm1", - .class = &am33xx_ehrpwm_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* epwmss2 */ -static struct omap_hwmod am33xx_epwmss2_hwmod = { - .name = "epwmss2", - .class = &am33xx_epwmss_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* ecap2 */ -static struct omap_hwmod am33xx_ecap2_hwmod = { - .name = "ecap2", - .class = &am33xx_ecap_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* eqep2 */ -static struct omap_hwmod am33xx_eqep2_hwmod = { - .name = "eqep2", - .class = &am33xx_eqep_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* ehrpwm2 */ -static struct omap_hwmod am33xx_ehrpwm2_hwmod = { - .name = "ehrpwm2", - .class = &am33xx_ehrpwm_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", -}; - -/* - * 'gpio' class: for gpio 0,1,2,3 - */ -static struct omap_hwmod_class_sysconfig am33xx_gpio_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0114, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | - SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_gpio_hwmod_class = { - .name = "gpio", - .sysc = &am33xx_gpio_sysc, - .rev = 2, -}; - -static struct omap_gpio_dev_attr gpio_dev_attr = { - .bank_width = 32, - .dbck_flag = true, -}; - /* gpio0 */ static struct omap_hwmod_opt_clk gpio0_opt_clks[] = { { .role = "dbclk", .clk = "gpio0_dbclk" }, @@ -846,174 +269,6 @@ static struct omap_hwmod am33xx_gpio0_hwmod = { .dev_attr = &gpio_dev_attr, }; -/* gpio1 */ -static struct omap_hwmod_opt_clk gpio1_opt_clks[] = { - { .role = "dbclk", .clk = "gpio1_dbclk" }, -}; - -static struct omap_hwmod am33xx_gpio1_hwmod = { - .name = "gpio2", - .class = &am33xx_gpio_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_GPIO1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .opt_clks = gpio1_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(gpio1_opt_clks), - .dev_attr = &gpio_dev_attr, -}; - -/* gpio2 */ -static struct omap_hwmod_opt_clk gpio2_opt_clks[] = { - { .role = "dbclk", .clk = "gpio2_dbclk" }, -}; - -static struct omap_hwmod am33xx_gpio2_hwmod = { - .name = "gpio3", - .class = &am33xx_gpio_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_GPIO2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .opt_clks = gpio2_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(gpio2_opt_clks), - .dev_attr = &gpio_dev_attr, -}; - -/* gpio3 */ -static struct omap_hwmod_opt_clk gpio3_opt_clks[] = { - { .role = "dbclk", .clk = "gpio3_dbclk" }, -}; - -static struct omap_hwmod am33xx_gpio3_hwmod = { - .name = "gpio4", - .class = &am33xx_gpio_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_GPIO3_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .opt_clks = gpio3_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(gpio3_opt_clks), - .dev_attr = &gpio_dev_attr, -}; - -/* gpmc */ -static struct omap_hwmod_class_sysconfig gpmc_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x10, - .syss_offs = 0x14, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_gpmc_hwmod_class = { - .name = "gpmc", - .sysc = &gpmc_sysc, -}; - -static struct omap_hwmod am33xx_gpmc_hwmod = { - .name = "gpmc", - .class = &am33xx_gpmc_hwmod_class, - .clkdm_name = "l3s_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l3s_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_GPMC_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'i2c' class */ -static struct omap_hwmod_class_sysconfig am33xx_i2c_sysc = { - .sysc_offs = 0x0010, - .syss_offs = 0x0090, - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | - SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class i2c_class = { - .name = "i2c", - .sysc = &am33xx_i2c_sysc, - .rev = OMAP_I2C_IP_VERSION_2, - .reset = &omap_i2c_reset, -}; - -static struct omap_i2c_dev_attr i2c_dev_attr = { - .flags = OMAP_I2C_FLAG_BUS_SHIFT_NONE, -}; - -/* i2c1 */ -static struct omap_hwmod am33xx_i2c1_hwmod = { - .name = "i2c1", - .class = &i2c_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, - .main_clk = "dpll_per_m2_div4_wkupdm_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_I2C0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &i2c_dev_attr, -}; - -/* i2c1 */ -static struct omap_hwmod am33xx_i2c2_hwmod = { - .name = "i2c2", - .class = &i2c_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_I2C1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &i2c_dev_attr, -}; - -/* i2c3 */ -static struct omap_hwmod am33xx_i2c3_hwmod = { - .name = "i2c3", - .class = &i2c_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_I2C2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &i2c_dev_attr, -}; - - /* lcdc */ static struct omap_hwmod_class_sysconfig lcdc_sysc = { .rev_offs = 0x0, @@ -1043,600 +298,6 @@ static struct omap_hwmod am33xx_lcdc_hwmod = { }; /* - * 'mailbox' class - * mailbox module allowing communication between the on-chip processors using a - * queued mailbox-interrupt mechanism. - */ -static struct omap_hwmod_class_sysconfig am33xx_mailbox_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .sysc_flags = (SYSC_HAS_RESET_STATUS | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type2, -}; - -static struct omap_hwmod_class am33xx_mailbox_hwmod_class = { - .name = "mailbox", - .sysc = &am33xx_mailbox_sysc, -}; - -static struct omap_hwmod am33xx_mailbox_hwmod = { - .name = "mailbox", - .class = &am33xx_mailbox_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MAILBOX0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* - * 'mcasp' class - */ -static struct omap_hwmod_class_sysconfig am33xx_mcasp_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x4, - .sysc_flags = SYSC_HAS_SIDLEMODE, - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type3, -}; - -static struct omap_hwmod_class am33xx_mcasp_hwmod_class = { - .name = "mcasp", - .sysc = &am33xx_mcasp_sysc, -}; - -/* mcasp0 */ -static struct omap_hwmod am33xx_mcasp0_hwmod = { - .name = "mcasp0", - .class = &am33xx_mcasp_hwmod_class, - .clkdm_name = "l3s_clkdm", - .main_clk = "mcasp0_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MCASP0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* mcasp1 */ -static struct omap_hwmod am33xx_mcasp1_hwmod = { - .name = "mcasp1", - .class = &am33xx_mcasp_hwmod_class, - .clkdm_name = "l3s_clkdm", - .main_clk = "mcasp1_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MCASP1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'mmc' class */ -static struct omap_hwmod_class_sysconfig am33xx_mmc_sysc = { - .rev_offs = 0x1fc, - .sysc_offs = 0x10, - .syss_offs = 0x14, - .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | - SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | - SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_mmc_hwmod_class = { - .name = "mmc", - .sysc = &am33xx_mmc_sysc, -}; - -/* mmc0 */ -static struct omap_mmc_dev_attr am33xx_mmc0_dev_attr = { - .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, -}; - -static struct omap_hwmod am33xx_mmc0_hwmod = { - .name = "mmc1", - .class = &am33xx_mmc_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "mmc_clk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MMC0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &am33xx_mmc0_dev_attr, -}; - -/* mmc1 */ -static struct omap_mmc_dev_attr am33xx_mmc1_dev_attr = { - .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, -}; - -static struct omap_hwmod am33xx_mmc1_hwmod = { - .name = "mmc2", - .class = &am33xx_mmc_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "mmc_clk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MMC1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &am33xx_mmc1_dev_attr, -}; - -/* mmc2 */ -static struct omap_mmc_dev_attr am33xx_mmc2_dev_attr = { - .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, -}; -static struct omap_hwmod am33xx_mmc2_hwmod = { - .name = "mmc3", - .class = &am33xx_mmc_hwmod_class, - .clkdm_name = "l3s_clkdm", - .main_clk = "mmc_clk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_MMC2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &am33xx_mmc2_dev_attr, -}; - -/* - * 'rtc' class - * rtc subsystem - */ -static struct omap_hwmod_class_sysconfig am33xx_rtc_sysc = { - .rev_offs = 0x0074, - .sysc_offs = 0x0078, - .sysc_flags = SYSC_HAS_SIDLEMODE, - .idlemodes = (SIDLE_FORCE | SIDLE_NO | - SIDLE_SMART | SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type3, -}; - -static struct omap_hwmod_class am33xx_rtc_hwmod_class = { - .name = "rtc", - .sysc = &am33xx_rtc_sysc, -}; - -static struct omap_hwmod am33xx_rtc_hwmod = { - .name = "rtc", - .class = &am33xx_rtc_hwmod_class, - .clkdm_name = "l4_rtc_clkdm", - .main_clk = "clk_32768_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_RTC_RTC_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'spi' class */ -static struct omap_hwmod_class_sysconfig am33xx_mcspi_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0110, - .syss_offs = 0x0114, - .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | - SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_spi_hwmod_class = { - .name = "mcspi", - .sysc = &am33xx_mcspi_sysc, - .rev = OMAP4_MCSPI_REV, -}; - -/* spi0 */ -static struct omap2_mcspi_dev_attr mcspi_attrib = { - .num_chipselect = 2, -}; -static struct omap_hwmod am33xx_spi0_hwmod = { - .name = "spi0", - .class = &am33xx_spi_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_SPI0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &mcspi_attrib, -}; - -/* spi1 */ -static struct omap_hwmod am33xx_spi1_hwmod = { - .name = "spi1", - .class = &am33xx_spi_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_SPI1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, - .dev_attr = &mcspi_attrib, -}; - -/* - * 'spinlock' class - * spinlock provides hardware assistance for synchronizing the - * processes running on multiple processors - */ -static struct omap_hwmod_class am33xx_spinlock_hwmod_class = { - .name = "spinlock", -}; - -static struct omap_hwmod am33xx_spinlock_hwmod = { - .name = "spinlock", - .class = &am33xx_spinlock_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_SPINLOCK_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'timer 2-7' class */ -static struct omap_hwmod_class_sysconfig am33xx_timer_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type2, -}; - -static struct omap_hwmod_class am33xx_timer_hwmod_class = { - .name = "timer", - .sysc = &am33xx_timer_sysc, -}; - -/* timer1 1ms */ -static struct omap_hwmod_class_sysconfig am33xx_timer1ms_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | - SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_timer1ms_hwmod_class = { - .name = "timer", - .sysc = &am33xx_timer1ms_sysc, -}; - -static struct omap_hwmod am33xx_timer1_hwmod = { - .name = "timer1", - .class = &am33xx_timer1ms_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .main_clk = "timer1_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_TIMER1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer2_hwmod = { - .name = "timer2", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer2_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer3_hwmod = { - .name = "timer3", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer3_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER3_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer4_hwmod = { - .name = "timer4", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer4_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER4_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer5_hwmod = { - .name = "timer5", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer5_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER5_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer6_hwmod = { - .name = "timer6", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer6_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER6_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_timer7_hwmod = { - .name = "timer7", - .class = &am33xx_timer_hwmod_class, - .clkdm_name = "l4ls_clkdm", - .main_clk = "timer7_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TIMER7_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* tpcc */ -static struct omap_hwmod_class am33xx_tpcc_hwmod_class = { - .name = "tpcc", -}; - -static struct omap_hwmod am33xx_tpcc_hwmod = { - .name = "tpcc", - .class = &am33xx_tpcc_hwmod_class, - .clkdm_name = "l3_clkdm", - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TPCC_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod_class_sysconfig am33xx_tptc_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x10, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | - SYSC_HAS_MIDLEMODE), - .idlemodes = (SIDLE_FORCE | SIDLE_SMART | MSTANDBY_FORCE), - .sysc_fields = &omap_hwmod_sysc_type2, -}; - -/* 'tptc' class */ -static struct omap_hwmod_class am33xx_tptc_hwmod_class = { - .name = "tptc", - .sysc = &am33xx_tptc_sysc, -}; - -/* tptc0 */ -static struct omap_hwmod am33xx_tptc0_hwmod = { - .name = "tptc0", - .class = &am33xx_tptc_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TPTC0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* tptc1 */ -static struct omap_hwmod am33xx_tptc1_hwmod = { - .name = "tptc1", - .class = &am33xx_tptc_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TPTC1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* tptc2 */ -static struct omap_hwmod am33xx_tptc2_hwmod = { - .name = "tptc2", - .class = &am33xx_tptc_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_TPTC2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'uart' class */ -static struct omap_hwmod_class_sysconfig uart_sysc = { - .rev_offs = 0x50, - .sysc_offs = 0x54, - .syss_offs = 0x58, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class uart_class = { - .name = "uart", - .sysc = &uart_sysc, -}; - -/* uart1 */ -static struct omap_hwmod am33xx_uart1_hwmod = { - .name = "uart1", - .class = &uart_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = DEBUG_AM33XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_wkupdm_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_UART0_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_uart2_hwmod = { - .name = "uart2", - .class = &uart_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_UART1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* uart3 */ -static struct omap_hwmod am33xx_uart3_hwmod = { - .name = "uart3", - .class = &uart_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_UART2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_uart4_hwmod = { - .name = "uart4", - .class = &uart_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_UART3_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_uart5_hwmod = { - .name = "uart5", - .class = &uart_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_UART4_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -static struct omap_hwmod am33xx_uart6_hwmod = { - .name = "uart6", - .class = &uart_class, - .clkdm_name = "l4ls_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, - .main_clk = "dpll_per_m2_div4_ck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_UART5_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* 'wd_timer' class */ -static struct omap_hwmod_class_sysconfig wdt_sysc = { - .rev_offs = 0x0, - .sysc_offs = 0x10, - .syss_offs = 0x14, - .sysc_flags = (SYSC_HAS_EMUFREE | SYSC_HAS_SIDLEMODE | - SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class am33xx_wd_timer_hwmod_class = { - .name = "wd_timer", - .sysc = &wdt_sysc, - .pre_shutdown = &omap2_wd_timer_disable, -}; - -/* - * XXX: device.c file uses hardcoded name for watchdog timer - * driver "wd_timer2, so we are also using same name as of now... - */ -static struct omap_hwmod am33xx_wd_timer1_hwmod = { - .name = "wd_timer2", - .class = &am33xx_wd_timer_hwmod_class, - .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_SWSUP_SIDLE, - .main_clk = "wdt1_fck", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_WKUP_WDT1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - -/* * 'usb_otg' class * high-speed on-the-go universal serial bus (usb_otg) controller */ @@ -1690,14 +351,6 @@ static struct omap_hwmod_ocp_if am33xx_l3_main__emif = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* mpu -> l3 main */ -static struct omap_hwmod_ocp_if am33xx_mpu__l3_main = { - .master = &am33xx_mpu_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "dpll_mpu_m2_ck", - .user = OCP_USER_MPU, -}; - /* l3 main -> l4 hs */ static struct omap_hwmod_ocp_if am33xx_l3_main__l4_hs = { .master = &am33xx_l3_main_hwmod, @@ -1706,62 +359,6 @@ static struct omap_hwmod_ocp_if am33xx_l3_main__l4_hs = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* l3 main -> l3 s */ -static struct omap_hwmod_ocp_if am33xx_l3_main__l3_s = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_l3_s_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l4 per/ls */ -static struct omap_hwmod_ocp_if am33xx_l3_s__l4_ls = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l4_ls_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l4 wkup */ -static struct omap_hwmod_ocp_if am33xx_l3_s__l4_wkup = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l4_wkup_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 main -> l3 instr */ -static struct omap_hwmod_ocp_if am33xx_l3_main__l3_instr = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_l3_instr_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* mpu -> prcm */ -static struct omap_hwmod_ocp_if am33xx_mpu__prcm = { - .master = &am33xx_mpu_hwmod, - .slave = &am33xx_prcm_hwmod, - .clk = "dpll_mpu_m2_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 s -> l3 main*/ -static struct omap_hwmod_ocp_if am33xx_l3_s__l3_main = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "l3s_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* pru-icss -> l3 main */ -static struct omap_hwmod_ocp_if am33xx_pruss__l3_main = { - .master = &am33xx_pruss_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "l3_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* wkup m3 -> l4 wkup */ static struct omap_hwmod_ocp_if am33xx_wkup_m3__l4_wkup = { .master = &am33xx_wkup_m3_hwmod, @@ -1770,14 +367,6 @@ static struct omap_hwmod_ocp_if am33xx_wkup_m3__l4_wkup = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* gfx -> l3 main */ -static struct omap_hwmod_ocp_if am33xx_gfx__l3_main = { - .master = &am33xx_gfx_hwmod, - .slave = &am33xx_l3_main_hwmod, - .clk = "dpll_core_m4_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l4 wkup -> wkup m3 */ static struct omap_hwmod_ocp_if am33xx_l4_wkup__wkup_m3 = { .master = &am33xx_l4_wkup_hwmod, @@ -1794,14 +383,6 @@ static struct omap_hwmod_ocp_if am33xx_l4_hs__pruss = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; -/* l3 main -> gfx */ -static struct omap_hwmod_ocp_if am33xx_l3_main__gfx = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_gfx_hwmod, - .clk = "dpll_core_m4_ck", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* l3_main -> debugss */ static struct omap_hwmod_addr_space am33xx_debugss_addrs[] = { { @@ -1844,54 +425,6 @@ static struct omap_hwmod_ocp_if am33xx_l4_wkup__control = { .user = OCP_USER_MPU, }; -/* l4 wkup -> rtc */ -static struct omap_hwmod_ocp_if am33xx_l4_wkup__rtc = { - .master = &am33xx_l4_wkup_hwmod, - .slave = &am33xx_rtc_hwmod, - .clk = "clkdiv32k_ick", - .user = OCP_USER_MPU, -}; - -/* l4 per/ls -> DCAN0 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__dcan0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_dcan0_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l4 per/ls -> DCAN1 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__dcan1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_dcan1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l4 per/ls -> GPIO2 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__gpio1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_gpio1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l4 per/ls -> gpio3 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__gpio2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_gpio2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l4 per/ls -> gpio4 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__gpio3 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_gpio3_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - /* L4 WKUP -> I2C1 */ static struct omap_hwmod_ocp_if am33xx_l4_wkup__i2c1 = { .master = &am33xx_l4_wkup_hwmod, @@ -1933,177 +466,6 @@ static struct omap_hwmod_ocp_if am33xx_l4_hs__cpgmac0 = { .user = OCP_USER_MPU, }; -static struct omap_hwmod_ocp_if am33xx_cpgmac0__mdio = { - .master = &am33xx_cpgmac0_hwmod, - .slave = &am33xx_mdio_hwmod, - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_addr_space am33xx_elm_addr_space[] = { - { - .pa_start = 0x48080000, - .pa_end = 0x48080000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__elm = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_elm_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_elm_addr_space, - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_addr_space am33xx_epwmss0_addr_space[] = { - { - .pa_start = 0x48300000, - .pa_end = 0x48300000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_epwmss0_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_epwmss0_addr_space, - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss0__ecap0 = { - .master = &am33xx_epwmss0_hwmod, - .slave = &am33xx_ecap0_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss0__eqep0 = { - .master = &am33xx_epwmss0_hwmod, - .slave = &am33xx_eqep0_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss0__ehrpwm0 = { - .master = &am33xx_epwmss0_hwmod, - .slave = &am33xx_ehrpwm0_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - - -static struct omap_hwmod_addr_space am33xx_epwmss1_addr_space[] = { - { - .pa_start = 0x48302000, - .pa_end = 0x48302000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_epwmss1_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_epwmss1_addr_space, - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss1__ecap1 = { - .master = &am33xx_epwmss1_hwmod, - .slave = &am33xx_ecap1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss1__eqep1 = { - .master = &am33xx_epwmss1_hwmod, - .slave = &am33xx_eqep1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss1__ehrpwm1 = { - .master = &am33xx_epwmss1_hwmod, - .slave = &am33xx_ehrpwm1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_addr_space am33xx_epwmss2_addr_space[] = { - { - .pa_start = 0x48304000, - .pa_end = 0x48304000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_epwmss2_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_epwmss2_addr_space, - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss2__ecap2 = { - .master = &am33xx_epwmss2_hwmod, - .slave = &am33xx_ecap2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss2__eqep2 = { - .master = &am33xx_epwmss2_hwmod, - .slave = &am33xx_eqep2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_epwmss2__ehrpwm2 = { - .master = &am33xx_epwmss2_hwmod, - .slave = &am33xx_ehrpwm2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l3s cfg -> gpmc */ -static struct omap_hwmod_addr_space am33xx_gpmc_addr_space[] = { - { - .pa_start = 0x50000000, - .pa_end = 0x50000000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l3_s__gpmc = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_gpmc_hwmod, - .clk = "l3s_gclk", - .addr = am33xx_gpmc_addr_space, - .user = OCP_USER_MPU, -}; - -/* i2c2 */ -static struct omap_hwmod_ocp_if am33xx_l4_per__i2c2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_i2c2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -static struct omap_hwmod_ocp_if am33xx_l4_per__i2c3 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_i2c3_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - static struct omap_hwmod_addr_space am33xx_lcdc_addr_space[] = { { .pa_start = 0x4830E000, @@ -2121,138 +483,6 @@ static struct omap_hwmod_ocp_if am33xx_l3_main__lcdc = { .user = OCP_USER_MPU, }; -static struct omap_hwmod_addr_space am33xx_mailbox_addrs[] = { - { - .pa_start = 0x480C8000, - .pa_end = 0x480C8000 + (SZ_4K - 1), - .flags = ADDR_TYPE_RT - }, - { } -}; - -/* l4 ls -> mailbox */ -static struct omap_hwmod_ocp_if am33xx_l4_per__mailbox = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_mailbox_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_mailbox_addrs, - .user = OCP_USER_MPU, -}; - -/* l4 ls -> spinlock */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__spinlock = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_spinlock_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mcasp0 */ -static struct omap_hwmod_addr_space am33xx_mcasp0_addr_space[] = { - { - .pa_start = 0x48038000, - .pa_end = 0x48038000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_mcasp0_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_mcasp0_addr_space, - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mcasp1 */ -static struct omap_hwmod_addr_space am33xx_mcasp1_addr_space[] = { - { - .pa_start = 0x4803C000, - .pa_end = 0x4803C000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__mcasp1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_mcasp1_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_mcasp1_addr_space, - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mmc0 */ -static struct omap_hwmod_addr_space am33xx_mmc0_addr_space[] = { - { - .pa_start = 0x48060100, - .pa_end = 0x48060100 + SZ_4K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__mmc0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_mmc0_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_mmc0_addr_space, - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mmc1 */ -static struct omap_hwmod_addr_space am33xx_mmc1_addr_space[] = { - { - .pa_start = 0x481d8100, - .pa_end = 0x481d8100 + SZ_4K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l4_ls__mmc1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_mmc1_hwmod, - .clk = "l4ls_gclk", - .addr = am33xx_mmc1_addr_space, - .user = OCP_USER_MPU, -}; - -/* l3 s -> mmc2 */ -static struct omap_hwmod_addr_space am33xx_mmc2_addr_space[] = { - { - .pa_start = 0x47810100, - .pa_end = 0x47810100 + SZ_64K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l3_s__mmc2 = { - .master = &am33xx_l3_s_hwmod, - .slave = &am33xx_mmc2_hwmod, - .clk = "l3s_gclk", - .addr = am33xx_mmc2_addr_space, - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mcspi0 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_spi0_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> mcspi1 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__mcspi1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_spi1_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - /* l4 wkup -> timer1 */ static struct omap_hwmod_ocp_if am33xx_l4_wkup__timer1 = { .master = &am33xx_l4_wkup_hwmod, @@ -2261,116 +491,6 @@ static struct omap_hwmod_ocp_if am33xx_l4_wkup__timer1 = { .user = OCP_USER_MPU, }; -/* l4 per -> timer2 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 per -> timer3 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer3 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer3_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 per -> timer4 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer4 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer4_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 per -> timer5 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer5 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer5_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 per -> timer6 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer6 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer6_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 per -> timer7 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__timer7 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_timer7_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l3 main -> tpcc */ -static struct omap_hwmod_ocp_if am33xx_l3_main__tpcc = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_tpcc_hwmod, - .clk = "l3_gclk", - .user = OCP_USER_MPU, -}; - -/* l3 main -> tpcc0 */ -static struct omap_hwmod_addr_space am33xx_tptc0_addr_space[] = { - { - .pa_start = 0x49800000, - .pa_end = 0x49800000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l3_main__tptc0 = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_tptc0_hwmod, - .clk = "l3_gclk", - .addr = am33xx_tptc0_addr_space, - .user = OCP_USER_MPU, -}; - -/* l3 main -> tpcc1 */ -static struct omap_hwmod_addr_space am33xx_tptc1_addr_space[] = { - { - .pa_start = 0x49900000, - .pa_end = 0x49900000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l3_main__tptc1 = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_tptc1_hwmod, - .clk = "l3_gclk", - .addr = am33xx_tptc1_addr_space, - .user = OCP_USER_MPU, -}; - -/* l3 main -> tpcc2 */ -static struct omap_hwmod_addr_space am33xx_tptc2_addr_space[] = { - { - .pa_start = 0x49a00000, - .pa_end = 0x49a00000 + SZ_8K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - -static struct omap_hwmod_ocp_if am33xx_l3_main__tptc2 = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_tptc2_hwmod, - .clk = "l3_gclk", - .addr = am33xx_tptc2_addr_space, - .user = OCP_USER_MPU, -}; - /* l4 wkup -> uart1 */ static struct omap_hwmod_ocp_if am33xx_l4_wkup__uart1 = { .master = &am33xx_l4_wkup_hwmod, @@ -2379,46 +499,6 @@ static struct omap_hwmod_ocp_if am33xx_l4_wkup__uart1 = { .user = OCP_USER_MPU, }; -/* l4 ls -> uart2 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__uart2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_uart2_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> uart3 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__uart3 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_uart3_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> uart4 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__uart4 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_uart4_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> uart5 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__uart5 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_uart5_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - -/* l4 ls -> uart6 */ -static struct omap_hwmod_ocp_if am33xx_l4_ls__uart6 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_uart6_hwmod, - .clk = "l4ls_gclk", - .user = OCP_USER_MPU, -}; - /* l4 wkup -> wd_timer1 */ static struct omap_hwmod_ocp_if am33xx_l4_wkup__wd_timer1 = { .master = &am33xx_l4_wkup_hwmod, @@ -2437,47 +517,39 @@ static struct omap_hwmod_ocp_if am33xx_l3_s__usbss = { .flags = OCPIF_SWSUP_IDLE, }; -/* l3 main -> ocmc */ -static struct omap_hwmod_ocp_if am33xx_l3_main__ocmc = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_ocmcram_hwmod, - .user = OCP_USER_MPU | OCP_USER_SDMA, -}; - -/* l3 main -> sha0 HIB2 */ -static struct omap_hwmod_addr_space am33xx_sha0_addrs[] = { - { - .pa_start = 0x53100000, - .pa_end = 0x53100000 + SZ_512 - 1, - .flags = ADDR_TYPE_RT - }, - { } +/* rng */ +static struct omap_hwmod_class_sysconfig am33xx_rng_sysc = { + .rev_offs = 0x1fe0, + .sysc_offs = 0x1fe4, + .sysc_flags = SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE, + .idlemodes = SIDLE_FORCE | SIDLE_NO, + .sysc_fields = &omap_hwmod_sysc_type1, }; -static struct omap_hwmod_ocp_if am33xx_l3_main__sha0 = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_sha0_hwmod, - .clk = "sha0_fck", - .addr = am33xx_sha0_addrs, - .user = OCP_USER_MPU | OCP_USER_SDMA, +static struct omap_hwmod_class am33xx_rng_hwmod_class = { + .name = "rng", + .sysc = &am33xx_rng_sysc, }; -/* l3 main -> AES0 HIB2 */ -static struct omap_hwmod_addr_space am33xx_aes0_addrs[] = { - { - .pa_start = 0x53500000, - .pa_end = 0x53500000 + SZ_1M - 1, - .flags = ADDR_TYPE_RT +static struct omap_hwmod am33xx_rng_hwmod = { + .name = "rng", + .class = &am33xx_rng_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE, + .main_clk = "rng_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM33XX_CM_PER_RNG_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, }, - { } }; -static struct omap_hwmod_ocp_if am33xx_l3_main__aes0 = { - .master = &am33xx_l3_main_hwmod, - .slave = &am33xx_aes0_hwmod, - .clk = "aes0_fck", - .addr = am33xx_aes0_addrs, - .user = OCP_USER_MPU | OCP_USER_SDMA, +static struct omap_hwmod_ocp_if am33xx_l4_per__rng = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_rng_hwmod, + .clk = "rng_fck", + .user = OCP_USER_MPU, }; static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { @@ -2559,11 +631,13 @@ static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_cpgmac0__mdio, &am33xx_l3_main__sha0, &am33xx_l3_main__aes0, + &am33xx_l4_per__rng, NULL, }; int __init am33xx_hwmod_init(void) { + omap_hwmod_am33xx_reg(); omap_hwmod_init(); return omap_hwmod_register_links(am33xx_hwmod_ocp_ifs); } diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 0c3a427da54..9e56fabd7fa 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -3693,6 +3693,53 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__aes = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* + * 'ssi' class + * synchronous serial interface (multichannel and full-duplex serial if) + */ + +static struct omap_hwmod_class_sysconfig omap34xx_ssi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_EMUFREE | + SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap34xx_ssi_hwmod_class = { + .name = "ssi", + .sysc = &omap34xx_ssi_sysc, +}; + +static struct omap_hwmod omap34xx_ssi_hwmod = { + .name = "ssi", + .class = &omap34xx_ssi_hwmod_class, + .clkdm_name = "core_l4_clkdm", + .main_clk = "ssi_ssr_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_SSI_SHIFT, + .module_offs = CORE_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT, + }, + }, +}; + +/* L4 CORE -> SSI */ +static struct omap_hwmod_ocp_if omap34xx_l4_core__ssi = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap34xx_ssi_hwmod, + .clk = "ssi_ick", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l3_main__l4_core, &omap3xxx_l3_main__l4_per, @@ -3818,6 +3865,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = { #ifdef CONFIG_OMAP_IOMMU_IVA2 &omap3xxx_l3_main__mmu_iva, #endif + &omap34xx_l4_core__ssi, NULL }; diff --git a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c new file mode 100644 index 00000000000..9002fca7669 --- /dev/null +++ b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c @@ -0,0 +1,758 @@ +/* + * Copyright (C) 2013 Texas Instruments Incorporated + * + * Hwmod present only in AM43x and those that differ other than register + * offsets as compared to AM335x. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/platform_data/gpio-omap.h> +#include <linux/platform_data/spi-omap2-mcspi.h> +#include "omap_hwmod.h" +#include "omap_hwmod_33xx_43xx_common_data.h" +#include "prcm43xx.h" + +/* IP blocks */ +static struct omap_hwmod am43xx_l4_hs_hwmod = { + .name = "l4_hs", + .class = &am33xx_l4_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "l4hs_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_L4HS_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_rst_info am33xx_wkup_m3_resets[] = { + { .name = "wkup_m3", .rst_shift = 3, .st_shift = 5 }, +}; + +static struct omap_hwmod am43xx_wkup_m3_hwmod = { + .name = "wkup_m3", + .class = &am33xx_wkup_m3_hwmod_class, + .clkdm_name = "l4_wkup_aon_clkdm", + /* Keep hardreset asserted */ + .flags = HWMOD_INIT_NO_RESET | HWMOD_NO_IDLEST, + .main_clk = "sys_clkin_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_WKUP_WKUP_M3_CLKCTRL_OFFSET, + .rstctrl_offs = AM43XX_RM_WKUP_RSTCTRL_OFFSET, + .rstst_offs = AM43XX_RM_WKUP_RSTST_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .rst_lines = am33xx_wkup_m3_resets, + .rst_lines_cnt = ARRAY_SIZE(am33xx_wkup_m3_resets), +}; + +static struct omap_hwmod am43xx_control_hwmod = { + .name = "control", + .class = &am33xx_control_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_INIT_NO_IDLE, + .main_clk = "sys_clkin_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_WKUP_CONTROL_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_opt_clk gpio0_opt_clks[] = { + { .role = "dbclk", .clk = "gpio0_dbclk" }, +}; + +static struct omap_hwmod am43xx_gpio0_hwmod = { + .name = "gpio1", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "sys_clkin_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_WKUP_GPIO0_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio0_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio0_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +static struct omap_hwmod_class_sysconfig am43xx_synctimer_sysc = { + .rev_offs = 0x0, + .sysc_offs = 0x4, + .sysc_flags = SYSC_HAS_SIDLEMODE, + .idlemodes = (SIDLE_FORCE | SIDLE_NO), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am43xx_synctimer_hwmod_class = { + .name = "synctimer", + .sysc = &am43xx_synctimer_sysc, +}; + +static struct omap_hwmod am43xx_synctimer_hwmod = { + .name = "counter_32k", + .class = &am43xx_synctimer_hwmod_class, + .clkdm_name = "l4_wkup_aon_clkdm", + .flags = HWMOD_SWSUP_SIDLE, + .main_clk = "synctimer_32kclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_WKUP_SYNCTIMER_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_timer8_hwmod = { + .name = "timer8", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer8_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_TIMER8_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_timer9_hwmod = { + .name = "timer9", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer9_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_TIMER9_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_timer10_hwmod = { + .name = "timer10", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer10_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_TIMER10_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_timer11_hwmod = { + .name = "timer11", + .class = &am33xx_timer_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "timer11_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_TIMER11_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_epwmss3_hwmod = { + .name = "epwmss3", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_EPWMSS3_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_ehrpwm3_hwmod = { + .name = "ehrpwm3", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +static struct omap_hwmod am43xx_epwmss4_hwmod = { + .name = "epwmss4", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_EPWMSS4_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_ehrpwm4_hwmod = { + .name = "ehrpwm4", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +static struct omap_hwmod am43xx_epwmss5_hwmod = { + .name = "epwmss5", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_EPWMSS5_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_ehrpwm5_hwmod = { + .name = "ehrpwm5", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", +}; + +static struct omap_hwmod am43xx_spi2_hwmod = { + .name = "spi2", + .class = &am33xx_spi_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_SPI2_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &mcspi_attrib, +}; + +static struct omap_hwmod am43xx_spi3_hwmod = { + .name = "spi3", + .class = &am33xx_spi_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_SPI3_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &mcspi_attrib, +}; + +static struct omap_hwmod am43xx_spi4_hwmod = { + .name = "spi4", + .class = &am33xx_spi_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "dpll_per_m2_div4_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_SPI4_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .dev_attr = &mcspi_attrib, +}; + +static struct omap_hwmod_opt_clk gpio4_opt_clks[] = { + { .role = "dbclk", .clk = "gpio4_dbclk" }, +}; + +static struct omap_hwmod am43xx_gpio4_hwmod = { + .name = "gpio5", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_GPIO4_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio4_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio4_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +static struct omap_hwmod_opt_clk gpio5_opt_clks[] = { + { .role = "dbclk", .clk = "gpio5_dbclk" }, +}; + +static struct omap_hwmod am43xx_gpio5_hwmod = { + .name = "gpio6", + .class = &am33xx_gpio_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_GPIO5_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = gpio5_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio5_opt_clks), + .dev_attr = &gpio_dev_attr, +}; + +static struct omap_hwmod_class am43xx_ocp2scp_hwmod_class = { + .name = "ocp2scp", +}; + +static struct omap_hwmod am43xx_ocp2scp0_hwmod = { + .name = "ocp2scp0", + .class = &am43xx_ocp2scp_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_USBPHYOCP2SCP0_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_ocp2scp1_hwmod = { + .name = "ocp2scp1", + .class = &am43xx_ocp2scp_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_USBPHYOCP2SCP1_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_class_sysconfig am43xx_usb_otg_ss_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .sysc_flags = (SYSC_HAS_DMADISABLE | SYSC_HAS_MIDLEMODE | + SYSC_HAS_SIDLEMODE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | + MSTANDBY_NO | MSTANDBY_SMART | + MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class am43xx_usb_otg_ss_hwmod_class = { + .name = "usb_otg_ss", + .sysc = &am43xx_usb_otg_ss_sysc, +}; + +static struct omap_hwmod am43xx_usb_otg_ss0_hwmod = { + .name = "usb_otg_ss0", + .class = &am43xx_usb_otg_ss_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "l3s_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_USB_OTG_SS0_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod am43xx_usb_otg_ss1_hwmod = { + .name = "usb_otg_ss1", + .class = &am43xx_usb_otg_ss_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "l3s_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_USB_OTG_SS1_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_class_sysconfig am43xx_qspi_sysc = { + .sysc_offs = 0x0010, + .sysc_flags = SYSC_HAS_SIDLEMODE, + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class am43xx_qspi_hwmod_class = { + .name = "qspi", + .sysc = &am43xx_qspi_sysc, +}; + +static struct omap_hwmod am43xx_qspi_hwmod = { + .name = "qspi", + .class = &am43xx_qspi_hwmod_class, + .clkdm_name = "l3s_clkdm", + .main_clk = "l3s_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM43XX_CM_PER_QSPI_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* Interfaces */ +static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = { + .master = &am33xx_l3_main_hwmod, + .slave = &am43xx_l4_hs_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_wkup_m3__l4_wkup = { + .master = &am43xx_wkup_m3_hwmod, + .slave = &am33xx_l4_wkup_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__wkup_m3 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am43xx_wkup_m3_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l3_main__pruss = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_pruss_hwmod, + .clk = "dpll_core_m4_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__smartreflex0 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_smartreflex0_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__smartreflex1 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_smartreflex1_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__control = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am43xx_control_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__i2c1 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_i2c1_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__gpio0 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am43xx_gpio0_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_hs__cpgmac0 = { + .master = &am43xx_l4_hs_hwmod, + .slave = &am33xx_cpgmac0_hwmod, + .clk = "cpsw_125mhz_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__timer1 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_timer1_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__uart1 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_uart1_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_wkup__wd_timer1 = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am33xx_wd_timer1_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am33xx_l4_wkup__synctimer = { + .master = &am33xx_l4_wkup_hwmod, + .slave = &am43xx_synctimer_hwmod, + .clk = "sys_clkin_ck", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__timer8 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_timer8_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__timer9 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_timer9_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__timer10 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_timer10_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__timer11 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_timer11_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__epwmss3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_epwmss3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_epwmss3__ehrpwm3 = { + .master = &am43xx_epwmss3_hwmod, + .slave = &am43xx_ehrpwm3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__epwmss4 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_epwmss4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_epwmss4__ehrpwm4 = { + .master = &am43xx_epwmss4_hwmod, + .slave = &am43xx_ehrpwm4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__epwmss5 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_epwmss5_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_epwmss5__ehrpwm5 = { + .master = &am43xx_epwmss5_hwmod, + .slave = &am43xx_ehrpwm5_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__mcspi2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_spi2_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__mcspi3 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_spi3_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__mcspi4 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_spi4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__gpio4 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_gpio4_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__gpio5 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_gpio5_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__ocp2scp0 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_ocp2scp0_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l4_ls__ocp2scp1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am43xx_ocp2scp1_hwmod, + .clk = "l4ls_gclk", + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_ocp_if am43xx_l3_s__usbotgss0 = { + .master = &am33xx_l3_s_hwmod, + .slave = &am43xx_usb_otg_ss0_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l3_s__usbotgss1 = { + .master = &am33xx_l3_s_hwmod, + .slave = &am43xx_usb_otg_ss1_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if am43xx_l3_s__qspi = { + .master = &am33xx_l3_s_hwmod, + .slave = &am43xx_qspi_hwmod, + .clk = "l3s_gclk", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = { + &am33xx_l4_wkup__synctimer, + &am43xx_l4_ls__timer8, + &am43xx_l4_ls__timer9, + &am43xx_l4_ls__timer10, + &am43xx_l4_ls__timer11, + &am43xx_l4_ls__epwmss3, + &am43xx_epwmss3__ehrpwm3, + &am43xx_l4_ls__epwmss4, + &am43xx_epwmss4__ehrpwm4, + &am43xx_l4_ls__epwmss5, + &am43xx_epwmss5__ehrpwm5, + &am43xx_l4_ls__mcspi2, + &am43xx_l4_ls__mcspi3, + &am43xx_l4_ls__mcspi4, + &am43xx_l4_ls__gpio4, + &am43xx_l4_ls__gpio5, + &am43xx_l3_main__pruss, + &am33xx_mpu__l3_main, + &am33xx_mpu__prcm, + &am33xx_l3_s__l4_ls, + &am33xx_l3_s__l4_wkup, + &am43xx_l3_main__l4_hs, + &am33xx_l3_main__l3_s, + &am33xx_l3_main__l3_instr, + &am33xx_l3_main__gfx, + &am33xx_l3_s__l3_main, + &am33xx_pruss__l3_main, + &am43xx_wkup_m3__l4_wkup, + &am33xx_gfx__l3_main, + &am43xx_l4_wkup__wkup_m3, + &am43xx_l4_wkup__control, + &am43xx_l4_wkup__smartreflex0, + &am43xx_l4_wkup__smartreflex1, + &am43xx_l4_wkup__uart1, + &am43xx_l4_wkup__timer1, + &am43xx_l4_wkup__i2c1, + &am43xx_l4_wkup__gpio0, + &am43xx_l4_wkup__wd_timer1, + &am43xx_l3_s__qspi, + &am33xx_l4_per__dcan0, + &am33xx_l4_per__dcan1, + &am33xx_l4_per__gpio1, + &am33xx_l4_per__gpio2, + &am33xx_l4_per__gpio3, + &am33xx_l4_per__i2c2, + &am33xx_l4_per__i2c3, + &am33xx_l4_per__mailbox, + &am33xx_l4_ls__mcasp0, + &am33xx_l4_ls__mcasp1, + &am33xx_l4_ls__mmc0, + &am33xx_l4_ls__mmc1, + &am33xx_l3_s__mmc2, + &am33xx_l4_ls__timer2, + &am33xx_l4_ls__timer3, + &am33xx_l4_ls__timer4, + &am33xx_l4_ls__timer5, + &am33xx_l4_ls__timer6, + &am33xx_l4_ls__timer7, + &am33xx_l3_main__tpcc, + &am33xx_l4_ls__uart2, + &am33xx_l4_ls__uart3, + &am33xx_l4_ls__uart4, + &am33xx_l4_ls__uart5, + &am33xx_l4_ls__uart6, + &am33xx_l4_ls__elm, + &am33xx_l4_ls__epwmss0, + &am33xx_epwmss0__ecap0, + &am33xx_epwmss0__eqep0, + &am33xx_epwmss0__ehrpwm0, + &am33xx_l4_ls__epwmss1, + &am33xx_epwmss1__ecap1, + &am33xx_epwmss1__eqep1, + &am33xx_epwmss1__ehrpwm1, + &am33xx_l4_ls__epwmss2, + &am33xx_epwmss2__ecap2, + &am33xx_epwmss2__eqep2, + &am33xx_epwmss2__ehrpwm2, + &am33xx_l3_s__gpmc, + &am33xx_l4_ls__mcspi0, + &am33xx_l4_ls__mcspi1, + &am33xx_l3_main__tptc0, + &am33xx_l3_main__tptc1, + &am33xx_l3_main__tptc2, + &am33xx_l3_main__ocmc, + &am43xx_l4_hs__cpgmac0, + &am33xx_cpgmac0__mdio, + &am33xx_l3_main__sha0, + &am33xx_l3_main__aes0, + &am43xx_l4_ls__ocp2scp0, + &am43xx_l4_ls__ocp2scp1, + &am43xx_l3_s__usbotgss0, + &am43xx_l3_s__usbotgss1, + NULL, +}; + +int __init am43xx_hwmod_init(void) +{ + omap_hwmod_am43xx_reg(); + omap_hwmod_init(); + return omap_hwmod_register_links(am43xx_hwmod_ocp_ifs); +} diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 9c3b504477d..1e5b12cb824 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -914,7 +914,7 @@ static struct omap_hwmod omap44xx_emif1_hwmod = { .name = "emif1", .class = &omap44xx_emif_hwmod_class, .clkdm_name = "l3_emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "ddrphy_ck", .prcm = { .omap4 = { @@ -930,7 +930,7 @@ static struct omap_hwmod omap44xx_emif2_hwmod = { .name = "emif2", .class = &omap44xx_emif_hwmod_class, .clkdm_name = "l3_emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "ddrphy_ck", .prcm = { .omap4 = { @@ -2193,7 +2193,7 @@ static struct omap_hwmod omap44xx_mpu_hwmod = { .name = "mpu", .class = &omap44xx_mpu_hwmod_class, .clkdm_name = "mpuss_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_mpu_m2_ck", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index cde415570e0..9e08d6994a0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -352,7 +352,7 @@ static struct omap_hwmod omap54xx_emif1_hwmod = { .name = "emif1", .class = &omap54xx_emif_hwmod_class, .clkdm_name = "emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_h11x2_ck", .prcm = { .omap4 = { @@ -368,7 +368,7 @@ static struct omap_hwmod omap54xx_emif2_hwmod = { .name = "emif2", .class = &omap54xx_emif_hwmod_class, .clkdm_name = "emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_h11x2_ck", .prcm = { .omap4 = { @@ -1135,7 +1135,7 @@ static struct omap_hwmod omap54xx_mpu_hwmod = { .name = "mpu", .class = &omap54xx_mpu_hwmod_class, .clkdm_name = "mpu_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_mpu_m2_ck", .prcm = { .omap4 = { @@ -1146,6 +1146,77 @@ static struct omap_hwmod omap54xx_mpu_hwmod = { }; /* + * 'spinlock' class + * spinlock provides hardware assistance for synchronizing the processes + * running on multiple processors + */ + +static struct omap_hwmod_class_sysconfig omap54xx_spinlock_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_spinlock_hwmod_class = { + .name = "spinlock", + .sysc = &omap54xx_spinlock_sysc, +}; + +/* spinlock */ +static struct omap_hwmod omap54xx_spinlock_hwmod = { + .name = "spinlock", + .class = &omap54xx_spinlock_hwmod_class, + .clkdm_name = "l4cfg_clkdm", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L4CFG_SPINLOCK_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L4CFG_SPINLOCK_CONTEXT_OFFSET, + }, + }, +}; + +/* + * 'ocp2scp' class + * bridge to transform ocp interface protocol to scp (serial control port) + * protocol + */ + +static struct omap_hwmod_class_sysconfig omap54xx_ocp2scp_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_ocp2scp_hwmod_class = { + .name = "ocp2scp", + .sysc = &omap54xx_ocp2scp_sysc, +}; + +/* ocp2scp1 */ +static struct omap_hwmod omap54xx_ocp2scp1_hwmod = { + .name = "ocp2scp1", + .class = &omap54xx_ocp2scp_hwmod_class, + .clkdm_name = "l3init_clkdm", + .main_clk = "l4_root_clk_div", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_OCP2SCP1_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_OCP2SCP1_CONTEXT_OFFSET, + .modulemode = MODULEMODE_HWCTRL, + }, + }, +}; + +/* * 'timer' class * general purpose timer module with accurate 1ms tick * This class contains several variants: ['timer_1ms', 'timer'] @@ -1465,6 +1536,123 @@ static struct omap_hwmod omap54xx_uart6_hwmod = { }; /* + * 'usb_host_hs' class + * high-speed multi-port usb host controller + */ + +static struct omap_hwmod_class_sysconfig omap54xx_usb_host_hs_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS | + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class omap54xx_usb_host_hs_hwmod_class = { + .name = "usb_host_hs", + .sysc = &omap54xx_usb_host_hs_sysc, +}; + +static struct omap_hwmod omap54xx_usb_host_hs_hwmod = { + .name = "usb_host_hs", + .class = &omap54xx_usb_host_hs_hwmod_class, + .clkdm_name = "l3init_clkdm", + /* + * Errata: USBHOST Configured In Smart-Idle Can Lead To a Deadlock + * id: i660 + * + * Description: + * In the following configuration : + * - USBHOST module is set to smart-idle mode + * - PRCM asserts idle_req to the USBHOST module ( This typically + * happens when the system is going to a low power mode : all ports + * have been suspended, the master part of the USBHOST module has + * entered the standby state, and SW has cut the functional clocks) + * - an USBHOST interrupt occurs before the module is able to answer + * idle_ack, typically a remote wakeup IRQ. + * Then the USB HOST module will enter a deadlock situation where it + * is no more accessible nor functional. + * + * Workaround: + * Don't use smart idle; use only force idle, hence HWMOD_SWSUP_SIDLE + */ + + /* + * Errata: USB host EHCI may stall when entering smart-standby mode + * Id: i571 + * + * Description: + * When the USBHOST module is set to smart-standby mode, and when it is + * ready to enter the standby state (i.e. all ports are suspended and + * all attached devices are in suspend mode), then it can wrongly assert + * the Mstandby signal too early while there are still some residual OCP + * transactions ongoing. If this condition occurs, the internal state + * machine may go to an undefined state and the USB link may be stuck + * upon the next resume. + * + * Workaround: + * Don't use smart standby; use only force standby, + * hence HWMOD_SWSUP_MSTANDBY + */ + + /* + * During system boot; If the hwmod framework resets the module + * the module will have smart idle settings; which can lead to deadlock + * (above Errata Id:i660); so, dont reset the module during boot; + * Use HWMOD_INIT_NO_RESET. + */ + + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | + HWMOD_INIT_NO_RESET, + .main_clk = "l3init_60m_fclk", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_USB_HOST_HS_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_USB_HOST_HS_CONTEXT_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'usb_tll_hs' class + * usb_tll_hs module is the adapter on the usb_host_hs ports + */ + +static struct omap_hwmod_class_sysconfig omap54xx_usb_tll_hs_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_usb_tll_hs_hwmod_class = { + .name = "usb_tll_hs", + .sysc = &omap54xx_usb_tll_hs_sysc, +}; + +static struct omap_hwmod omap54xx_usb_tll_hs_hwmod = { + .name = "usb_tll_hs", + .class = &omap54xx_usb_tll_hs_hwmod_class, + .clkdm_name = "l3init_clkdm", + .main_clk = "l4_root_clk_div", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_USB_TLL_HS_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_USB_TLL_HS_CONTEXT_OFFSET, + .modulemode = MODULEMODE_HWCTRL, + }, + }, +}; + +/* * 'usb_otg_ss' class * 2.0 super speed (usb_otg_ss) controller */ @@ -1960,6 +2148,22 @@ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__mpu = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* l4_cfg -> spinlock */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__spinlock = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_spinlock_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_cfg -> ocp2scp1 */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__ocp2scp1 = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_ocp2scp1_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_wkup -> timer1 */ static struct omap_hwmod_ocp_if omap54xx_l4_wkup__timer1 = { .master = &omap54xx_l4_wkup_hwmod, @@ -2096,6 +2300,22 @@ static struct omap_hwmod_ocp_if omap54xx_l4_per__uart6 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* l4_cfg -> usb_host_hs */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_host_hs = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_usb_host_hs_hwmod, + .clk = "l3_iclk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_cfg -> usb_tll_hs */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_tll_hs = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_usb_tll_hs_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_cfg -> usb_otg_ss */ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_otg_ss = { .master = &omap54xx_l4_cfg_hwmod, @@ -2163,6 +2383,8 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = { &omap54xx_l4_per__mmc4, &omap54xx_l4_per__mmc5, &omap54xx_l4_cfg__mpu, + &omap54xx_l4_cfg__spinlock, + &omap54xx_l4_cfg__ocp2scp1, &omap54xx_l4_wkup__timer1, &omap54xx_l4_per__timer2, &omap54xx_l4_per__timer3, @@ -2180,6 +2402,8 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = { &omap54xx_l4_per__uart4, &omap54xx_l4_per__uart5, &omap54xx_l4_per__uart6, + &omap54xx_l4_cfg__usb_host_hs, + &omap54xx_l4_cfg__usb_tll_hs, &omap54xx_l4_cfg__usb_otg_ss, &omap54xx_l4_wkup__wd_timer2, NULL, diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index baf3d8bf6be..da5a59ae77b 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -257,6 +257,7 @@ extern void am33xx_powerdomains_init(void); extern void omap44xx_powerdomains_init(void); extern void omap54xx_powerdomains_init(void); extern void dra7xx_powerdomains_init(void); +void am43xx_powerdomains_init(void); extern struct pwrdm_ops omap2_pwrdm_operations; extern struct pwrdm_ops omap3_pwrdm_operations; diff --git a/arch/arm/mach-omap2/powerdomains43xx_data.c b/arch/arm/mach-omap2/powerdomains43xx_data.c new file mode 100644 index 00000000000..95fee54c38a --- /dev/null +++ b/arch/arm/mach-omap2/powerdomains43xx_data.c @@ -0,0 +1,136 @@ +/* + * AM43xx Power domains framework + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> + +#include "powerdomain.h" + +#include "prcm-common.h" +#include "prcm44xx.h" +#include "prcm43xx.h" + +static struct powerdomain gfx_43xx_pwrdm = { + .name = "gfx_pwrdm", + .voltdm = { .name = "core" }, + .prcm_offs = AM43XX_PRM_GFX_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_OFF_ON, + .banks = 1, + .pwrsts_mem_on = { + [0] = PWRSTS_ON, /* gfx_mem */ + }, + .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, +}; + +static struct powerdomain mpu_43xx_pwrdm = { + .name = "mpu_pwrdm", + .voltdm = { .name = "mpu" }, + .prcm_offs = AM43XX_PRM_MPU_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 3, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, /* mpu_l1 */ + [1] = PWRSTS_OFF_RET, /* mpu_l2 */ + [2] = PWRSTS_OFF_RET, /* mpu_ram */ + }, + .pwrsts_mem_on = { + [0] = PWRSTS_ON, /* mpu_l1 */ + [1] = PWRSTS_ON, /* mpu_l2 */ + [2] = PWRSTS_ON, /* mpu_ram */ + }, + .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, +}; + +static struct powerdomain rtc_43xx_pwrdm = { + .name = "rtc_pwrdm", + .voltdm = { .name = "rtc" }, + .prcm_offs = AM43XX_PRM_RTC_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_ON, +}; + +static struct powerdomain wkup_43xx_pwrdm = { + .name = "wkup_pwrdm", + .voltdm = { .name = "core" }, + .prcm_offs = AM43XX_PRM_WKUP_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_ON, + .banks = 1, + .pwrsts_mem_on = { + [0] = PWRSTS_ON, /* debugss_mem */ + }, +}; + +static struct powerdomain tamper_43xx_pwrdm = { + .name = "tamper_pwrdm", + .voltdm = { .name = "tamper" }, + .prcm_offs = AM43XX_PRM_TAMPER_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_ON, +}; + +static struct powerdomain cefuse_43xx_pwrdm = { + .name = "cefuse_pwrdm", + .voltdm = { .name = "core" }, + .prcm_offs = AM43XX_PRM_CEFUSE_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_OFF_ON, + .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, +}; + +static struct powerdomain per_43xx_pwrdm = { + .name = "per_pwrdm", + .voltdm = { .name = "core" }, + .prcm_offs = AM43XX_PRM_PER_INST, + .prcm_partition = AM43XX_PRM_PARTITION, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 4, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, /* icss_mem */ + [1] = PWRSTS_OFF_RET, /* per_mem */ + [2] = PWRSTS_OFF_RET, /* ram1_mem */ + [3] = PWRSTS_OFF_RET, /* ram2_mem */ + }, + .pwrsts_mem_on = { + [0] = PWRSTS_ON, /* icss_mem */ + [1] = PWRSTS_ON, /* per_mem */ + [2] = PWRSTS_ON, /* ram1_mem */ + [3] = PWRSTS_ON, /* ram2_mem */ + }, + .flags = PWRDM_HAS_LOWPOWERSTATECHANGE, +}; + +static struct powerdomain *powerdomains_am43xx[] __initdata = { + &gfx_43xx_pwrdm, + &mpu_43xx_pwrdm, + &rtc_43xx_pwrdm, + &wkup_43xx_pwrdm, + &tamper_43xx_pwrdm, + &cefuse_43xx_pwrdm, + &per_43xx_pwrdm, + NULL +}; + +static int am43xx_check_vcvp(void) +{ + return 0; +} + +void __init am43xx_powerdomains_init(void) +{ + omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; + pwrdm_register_platform_funcs(&omap4_pwrdm_operations); + pwrdm_register_pwrdms(powerdomains_am43xx); + pwrdm_complete_init(); +} diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h new file mode 100644 index 00000000000..7785be984ed --- /dev/null +++ b/arch/arm/mach-omap2/prcm43xx.h @@ -0,0 +1,146 @@ +/* + * AM43x PRCM defines + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#ifndef __ARCH_ARM_MACH_OMAP2_PRCM_43XX_H +#define __ARCH_ARM_MACH_OMAP2_PRCM_43XX_H + +#define AM43XX_PRM_PARTITION 1 +#define AM43XX_CM_PARTITION 1 + +/* PRM instances */ +#define AM43XX_PRM_OCP_SOCKET_INST 0x0000 +#define AM43XX_PRM_MPU_INST 0x0300 +#define AM43XX_PRM_GFX_INST 0x0400 +#define AM43XX_PRM_RTC_INST 0x0500 +#define AM43XX_PRM_TAMPER_INST 0x0600 +#define AM43XX_PRM_CEFUSE_INST 0x0700 +#define AM43XX_PRM_PER_INST 0x0800 +#define AM43XX_PRM_WKUP_INST 0x2000 +#define AM43XX_PRM_DEVICE_INST 0x4000 + +/* RM RSTCTRL offsets */ +#define AM43XX_RM_PER_RSTCTRL_OFFSET 0x0010 +#define AM43XX_RM_GFX_RSTCTRL_OFFSET 0x0010 +#define AM43XX_RM_WKUP_RSTCTRL_OFFSET 0x0010 + +/* RM RSTST offsets */ +#define AM43XX_RM_GFX_RSTST_OFFSET 0x0014 +#define AM43XX_RM_WKUP_RSTST_OFFSET 0x0014 + +/* CM instances */ +#define AM43XX_CM_WKUP_INST 0x2800 +#define AM43XX_CM_DEVICE_INST 0x4100 +#define AM43XX_CM_DPLL_INST 0x4200 +#define AM43XX_CM_MPU_INST 0x8300 +#define AM43XX_CM_GFX_INST 0x8400 +#define AM43XX_CM_RTC_INST 0x8500 +#define AM43XX_CM_TAMPER_INST 0x8600 +#define AM43XX_CM_CEFUSE_INST 0x8700 +#define AM43XX_CM_PER_INST 0x8800 + +/* CD offsets */ +#define AM43XX_CM_WKUP_L3_AON_CDOFFS 0x0000 +#define AM43XX_CM_WKUP_L3S_TSC_CDOFFS 0x0100 +#define AM43XX_CM_WKUP_L4_WKUP_AON_CDOFFS 0x0200 +#define AM43XX_CM_WKUP_WKUP_CDOFFS 0x0300 +#define AM43XX_CM_MPU_MPU_CDOFFS 0x0000 +#define AM43XX_CM_GFX_GFX_L3_CDOFFS 0x0000 +#define AM43XX_CM_RTC_RTC_CDOFFS 0x0000 +#define AM43XX_CM_TAMPER_TAMPER_CDOFFS 0x0000 +#define AM43XX_CM_CEFUSE_CEFUSE_CDOFFS 0x0000 +#define AM43XX_CM_PER_L3_CDOFFS 0x0000 +#define AM43XX_CM_PER_L3S_CDOFFS 0x0200 +#define AM43XX_CM_PER_ICSS_CDOFFS 0x0300 +#define AM43XX_CM_PER_L4LS_CDOFFS 0x0400 +#define AM43XX_CM_PER_EMIF_CDOFFS 0x0700 +#define AM43XX_CM_PER_DSS_CDOFFS 0x0a00 +#define AM43XX_CM_PER_CPSW_CDOFFS 0x0b00 +#define AM43XX_CM_PER_OCPWP_L3_CDOFFS 0x0c00 + +/* CLK CTRL offsets */ +#define AM43XX_CM_PER_UART1_CLKCTRL_OFFSET 0x0580 +#define AM43XX_CM_PER_UART2_CLKCTRL_OFFSET 0x0588 +#define AM43XX_CM_PER_UART3_CLKCTRL_OFFSET 0x0590 +#define AM43XX_CM_PER_UART4_CLKCTRL_OFFSET 0x0598 +#define AM43XX_CM_PER_UART5_CLKCTRL_OFFSET 0x05a0 +#define AM43XX_CM_PER_DCAN0_CLKCTRL_OFFSET 0x0428 +#define AM43XX_CM_PER_DCAN1_CLKCTRL_OFFSET 0x0430 +#define AM43XX_CM_PER_ELM_CLKCTRL_OFFSET 0x0468 +#define AM43XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET 0x0438 +#define AM43XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET 0x0440 +#define AM43XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET 0x0448 +#define AM43XX_CM_PER_GPIO1_CLKCTRL_OFFSET 0x0478 +#define AM43XX_CM_PER_GPIO2_CLKCTRL_OFFSET 0x0480 +#define AM43XX_CM_PER_GPIO3_CLKCTRL_OFFSET 0x0488 +#define AM43XX_CM_PER_I2C1_CLKCTRL_OFFSET 0x04a8 +#define AM43XX_CM_PER_I2C2_CLKCTRL_OFFSET 0x04b0 +#define AM43XX_CM_PER_MAILBOX0_CLKCTRL_OFFSET 0x04b8 +#define AM43XX_CM_PER_MMC0_CLKCTRL_OFFSET 0x04c0 +#define AM43XX_CM_PER_MMC1_CLKCTRL_OFFSET 0x04c8 +#define AM43XX_CM_PER_SPI0_CLKCTRL_OFFSET 0x0500 +#define AM43XX_CM_PER_SPI1_CLKCTRL_OFFSET 0x0508 +#define AM43XX_CM_PER_SPINLOCK_CLKCTRL_OFFSET 0x0528 +#define AM43XX_CM_PER_TIMER2_CLKCTRL_OFFSET 0x0530 +#define AM43XX_CM_PER_TIMER3_CLKCTRL_OFFSET 0x0538 +#define AM43XX_CM_PER_TIMER4_CLKCTRL_OFFSET 0x0540 +#define AM43XX_CM_PER_TIMER5_CLKCTRL_OFFSET 0x0548 +#define AM43XX_CM_PER_TIMER6_CLKCTRL_OFFSET 0x0550 +#define AM43XX_CM_PER_TIMER7_CLKCTRL_OFFSET 0x0558 +#define AM43XX_CM_WKUP_WKUP_M3_CLKCTRL_OFFSET 0x0228 +#define AM43XX_CM_WKUP_CONTROL_CLKCTRL_OFFSET 0x0360 +#define AM43XX_CM_WKUP_SMARTREFLEX0_CLKCTRL_OFFSET 0x0350 +#define AM43XX_CM_WKUP_SMARTREFLEX1_CLKCTRL_OFFSET 0x0358 +#define AM43XX_CM_WKUP_UART0_CLKCTRL_OFFSET 0x0348 +#define AM43XX_CM_WKUP_TIMER1_CLKCTRL_OFFSET 0x0328 +#define AM43XX_CM_WKUP_I2C0_CLKCTRL_OFFSET 0x0340 +#define AM43XX_CM_WKUP_GPIO0_CLKCTRL_OFFSET 0x0368 +#define AM43XX_CM_WKUP_ADC_TSC_CLKCTRL_OFFSET 0x0120 +#define AM43XX_CM_WKUP_WDT1_CLKCTRL_OFFSET 0x0338 +#define AM43XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET 0x0220 +#define AM43XX_CM_RTC_RTC_CLKCTRL_OFFSET 0x0020 +#define AM43XX_CM_PER_MMC2_CLKCTRL_OFFSET 0x0248 +#define AM43XX_CM_PER_QSPI_CLKCTRL_OFFSET 0x0258 +#define AM43XX_CM_PER_GPMC_CLKCTRL_OFFSET 0x0220 +#define AM43XX_CM_PER_MCASP0_CLKCTRL_OFFSET 0x0238 +#define AM43XX_CM_PER_MCASP1_CLKCTRL_OFFSET 0x0240 +#define AM43XX_CM_PER_L4LS_CLKCTRL_OFFSET 0x0420 +#define AM43XX_CM_PER_L3_CLKCTRL_OFFSET 0x0020 +#define AM43XX_CM_PER_TPCC_CLKCTRL_OFFSET 0x0078 +#define AM43XX_CM_PER_TPTC0_CLKCTRL_OFFSET 0x0080 +#define AM43XX_CM_PER_TPTC1_CLKCTRL_OFFSET 0x0088 +#define AM43XX_CM_PER_TPTC2_CLKCTRL_OFFSET 0x0090 +#define AM43XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET 0x0b20 +#define AM43XX_CM_PER_PRUSS_CLKCTRL_OFFSET 0x0320 +#define AM43XX_CM_GFX_GFX_CLKCTRL_OFFSET 0x0020 +#define AM43XX_CM_PER_L4HS_CLKCTRL_OFFSET 0x00a0 +#define AM43XX_CM_MPU_MPU_CLKCTRL_OFFSET 0x0020 +#define AM43XX_CM_PER_L3_INSTR_CLKCTRL_OFFSET 0x0040 +#define AM43XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET 0x0050 +#define AM43XX_CM_PER_SHA0_CLKCTRL_OFFSET 0x0058 +#define AM43XX_CM_PER_AES0_CLKCTRL_OFFSET 0x0028 +#define AM43XX_CM_PER_TIMER8_CLKCTRL_OFFSET 0x0560 +#define AM43XX_CM_PER_TIMER9_CLKCTRL_OFFSET 0x0568 +#define AM43XX_CM_PER_TIMER10_CLKCTRL_OFFSET 0x0570 +#define AM43XX_CM_PER_TIMER11_CLKCTRL_OFFSET 0x0578 +#define AM43XX_CM_WKUP_SYNCTIMER_CLKCTRL_OFFSET 0x0230 +#define AM43XX_CM_PER_EPWMSS3_CLKCTRL_OFFSET 0x0450 +#define AM43XX_CM_PER_EPWMSS4_CLKCTRL_OFFSET 0x0458 +#define AM43XX_CM_PER_EPWMSS5_CLKCTRL_OFFSET 0x0460 +#define AM43XX_CM_PER_SPI2_CLKCTRL_OFFSET 0x0510 +#define AM43XX_CM_PER_SPI3_CLKCTRL_OFFSET 0x0518 +#define AM43XX_CM_PER_SPI4_CLKCTRL_OFFSET 0x0520 +#define AM43XX_CM_PER_GPIO4_CLKCTRL_OFFSET 0x0490 +#define AM43XX_CM_PER_GPIO5_CLKCTRL_OFFSET 0x0498 +#define AM43XX_CM_PER_USB_OTG_SS0_CLKCTRL_OFFSET 0x0260 +#define AM43XX_CM_PER_USBPHYOCP2SCP0_CLKCTRL_OFFSET 0x05B8 +#define AM43XX_CM_PER_USB_OTG_SS1_CLKCTRL_OFFSET 0x0268 +#define AM43XX_CM_PER_USBPHYOCP2SCP1_CLKCTRL_OFFSET 0x05C0 + +#endif diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index 4588df1447e..076bd90a6ce 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -455,9 +455,7 @@ IS_OMAP_TYPE(3430, 0x3430) #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8)) #define OMAP54XX_CLASS 0x54000054 -#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8)) #define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8)) -#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8)) #define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8)) void omap2xxx_check_revision(void); diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index fa74a0625da..d59b51f07cf 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -55,6 +55,7 @@ #include "soc.h" #include "common.h" #include "powerdomain.h" +#include "omap-secure.h" #define REALTIME_COUNTER_BASE 0x48243200 #define INCREMENTER_NUMERATOR_OFFSET 0x10 @@ -66,6 +67,15 @@ static struct omap_dm_timer clkev; static struct clock_event_device clockevent_gpt; +#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER +static unsigned long arch_timer_freq; + +void set_cntfreq(void) +{ + omap_smc1(OMAP5_DRA7_MON_SET_CNTFRQ_INDEX, arch_timer_freq); +} +#endif + static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = &clockevent_gpt; @@ -515,6 +525,10 @@ static void __init realtime_counter_init(void) num = 8; den = 25; break; + case 20000000: + num = 192; + den = 625; + break; case 2600000: num = 384; den = 1625; @@ -542,6 +556,9 @@ static void __init realtime_counter_init(void) reg |= den; __raw_writel(reg, base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET); + arch_timer_freq = (rate / den) * num; + set_cntfreq(); + iounmap(base); } #else diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 31d0c910127..645a8fe55f8 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -12,7 +12,7 @@ obj- := # Core -obj-y += common.o clock.o +obj-y += common.o # Core support diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c deleted file mode 100644 index c1bcc4a6d3a..00000000000 --- a/arch/arm/mach-s3c64xx/clock.c +++ /dev/null @@ -1,1007 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/clock.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX Base clock support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/map.h> - -#include <mach/regs-clock.h> - -#include <plat/cpu.h> -#include <plat/devs.h> -#include <plat/cpu-freq.h> -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/pll.h> - -#include "regs-sys.h" - -/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call - * ext_xtal_mux for want of an actual name from the manual. -*/ - -static struct clk clk_ext_xtal_mux = { - .name = "ext_xtal", -}; - -#define clk_fin_apll clk_ext_xtal_mux -#define clk_fin_mpll clk_ext_xtal_mux -#define clk_fin_epll clk_ext_xtal_mux - -#define clk_fout_mpll clk_mpll -#define clk_fout_epll clk_epll - -struct clk clk_h2 = { - .name = "hclk2", - .rate = 0, -}; - -struct clk clk_27m = { - .name = "clk_27m", - .rate = 27000000, -}; - -static int clk_48m_ctrl(struct clk *clk, int enable) -{ - unsigned long flags; - u32 val; - - /* can't rely on clock lock, this register has other usages */ - local_irq_save(flags); - - val = __raw_readl(S3C64XX_OTHERS); - if (enable) - val |= S3C64XX_OTHERS_USBMASK; - else - val &= ~S3C64XX_OTHERS_USBMASK; - - __raw_writel(val, S3C64XX_OTHERS); - local_irq_restore(flags); - - return 0; -} - -struct clk clk_48m = { - .name = "clk_48m", - .rate = 48000000, - .enable = clk_48m_ctrl, -}; - -struct clk clk_xusbxti = { - .name = "xusbxti", - .rate = 48000000, -}; - -static int inline s3c64xx_gate(void __iomem *reg, - struct clk *clk, - int enable) -{ - unsigned int ctrlbit = clk->ctrlbit; - u32 con; - - con = __raw_readl(reg); - - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; - - __raw_writel(con, reg); - return 0; -} - -static int s3c64xx_pclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_PCLK_GATE, clk, enable); -} - -static int s3c64xx_hclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_HCLK_GATE, clk, enable); -} - -int s3c64xx_sclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_SCLK_GATE, clk, enable); -} - -static struct clk init_clocks_off[] = { - { - .name = "nand", - .parent = &clk_h, - }, { - .name = "rtc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_RTC, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_TSADC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, - }, { - .name = "keypad", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_KEYPAD, - }, { - .name = "spi", - .devname = "s3c6410-spi.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI0, - }, { - .name = "spi", - .devname = "s3c6410-spi.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI1, - }, { - .name = "48m", - .devname = "s3c-sdhci.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC0_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC1_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.2", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC2_48, - }, { - .name = "ac97", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_AC97, - }, { - .name = "cfcon", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_IHOST, - }, { - .name = "dma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA0, - }, { - .name = "dma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA1, - }, { - .name = "3dse", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_3DSE, - }, { - .name = "hclk_secur", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SECUR, - }, { - .name = "sdma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA1, - }, { - .name = "sdma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA0, - }, { - .name = "hclk_jpeg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_JPEG, - }, { - .name = "camif", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_CAMIF, - }, { - .name = "hclk_scaler", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SCALER, - }, { - .name = "2d", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_2D, - }, { - .name = "tv", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_TV, - }, { - .name = "post0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_POST0, - }, { - .name = "rot", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_ROT, - }, { - .name = "hclk_mfc", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_MFC, - }, { - .name = "pclk_mfc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_MFC, - }, { - .name = "dac27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_DAC27, - }, { - .name = "tv27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_TV27, - }, { - .name = "scaler27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER27, - }, { - .name = "sclk_scaler", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER, - }, { - .name = "post0_27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_POST0_27, - }, { - .name = "secur", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SECUR, - }, { - .name = "sclk_mfc", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MFC, - }, { - .name = "sclk_jpeg", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_JPEG, - }, -}; - -static struct clk clk_48m_spi0 = { - .name = "spi_48m", - .devname = "s3c6410-spi.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI0_48, -}; - -static struct clk clk_48m_spi1 = { - .name = "spi_48m", - .devname = "s3c6410-spi.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI1_48, -}; - -static struct clk clk_i2s0 = { - .name = "iis", - .devname = "samsung-i2s.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS0, -}; - -static struct clk clk_i2s1 = { - .name = "iis", - .devname = "samsung-i2s.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk clk_i2s2 = { - .name = "iis", - .devname = "samsung-i2s.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_IIS2, -}; -#endif - -static struct clk init_clocks[] = { - { - .name = "lcd", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_LCD, - }, { - .name = "gpio", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_GPIO, - }, { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_UHOST, - }, { - .name = "otg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_USB, - }, { - .name = "timers", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_PWM, - }, { - .name = "uart", - .devname = "s3c6400-uart.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART0, - }, { - .name = "uart", - .devname = "s3c6400-uart.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART1, - }, { - .name = "uart", - .devname = "s3c6400-uart.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART2, - }, { - .name = "uart", - .devname = "s3c6400-uart.3", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART3, - }, { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_WDT, - }, -}; - -static struct clk clk_hsmmc0 = { - .name = "hsmmc", - .devname = "s3c-sdhci.0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC0, -}; - -static struct clk clk_hsmmc1 = { - .name = "hsmmc", - .devname = "s3c-sdhci.1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC1, -}; - -static struct clk clk_hsmmc2 = { - .name = "hsmmc", - .devname = "s3c-sdhci.2", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, -}; - -static struct clk clk_fout_apll = { - .name = "fout_apll", -}; - -static struct clk *clk_src_apll_list[] = { - [0] = &clk_fin_apll, - [1] = &clk_fout_apll, -}; - -static struct clksrc_sources clk_src_apll = { - .sources = clk_src_apll_list, - .nr_sources = ARRAY_SIZE(clk_src_apll_list), -}; - -static struct clksrc_clk clk_mout_apll = { - .clk = { - .name = "mout_apll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 0, .size = 1 }, - .sources = &clk_src_apll, -}; - -static struct clk *clk_src_epll_list[] = { - [0] = &clk_fin_epll, - [1] = &clk_fout_epll, -}; - -static struct clksrc_sources clk_src_epll = { - .sources = clk_src_epll_list, - .nr_sources = ARRAY_SIZE(clk_src_epll_list), -}; - -static struct clksrc_clk clk_mout_epll = { - .clk = { - .name = "mout_epll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 2, .size = 1 }, - .sources = &clk_src_epll, -}; - -static struct clk *clk_src_mpll_list[] = { - [0] = &clk_fin_mpll, - [1] = &clk_fout_mpll, -}; - -static struct clksrc_sources clk_src_mpll = { - .sources = clk_src_mpll_list, - .nr_sources = ARRAY_SIZE(clk_src_mpll_list), -}; - -static struct clksrc_clk clk_mout_mpll = { - .clk = { - .name = "mout_mpll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 1, .size = 1 }, - .sources = &clk_src_mpll, -}; - -static unsigned int armclk_mask; - -static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - u32 clkdiv; - - /* divisor mask starts at bit0, so no need to shift */ - clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask; - - return rate / (clkdiv + 1); -} - -static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - - if (parent < rate) - return parent; - - div = (parent / rate) - 1; - if (div > armclk_mask) - div = armclk_mask; - - return parent / (div + 1); -} - -static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - u32 val; - - if (rate < parent / (armclk_mask + 1)) - return -EINVAL; - - rate = clk_round_rate(clk, rate); - div = clk_get_rate(clk->parent) / rate; - - val = __raw_readl(S3C_CLK_DIV0); - val &= ~armclk_mask; - val |= (div - 1); - __raw_writel(val, S3C_CLK_DIV0); - - return 0; - -} - -static struct clk clk_arm = { - .name = "armclk", - .parent = &clk_mout_apll.clk, - .ops = &(struct clk_ops) { - .get_rate = s3c64xx_clk_arm_get_rate, - .set_rate = s3c64xx_clk_arm_set_rate, - .round_rate = s3c64xx_clk_arm_round_rate, - }, -}; - -static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) - rate /= 2; - - return rate; -} - -static struct clk_ops clk_dout_ops = { - .get_rate = s3c64xx_clk_doutmpll_get_rate, -}; - -static struct clk clk_dout_mpll = { - .name = "dout_mpll", - .parent = &clk_mout_mpll.clk, - .ops = &clk_dout_ops, -}; - -static struct clk *clkset_spi_mmc_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, - &clk_27m, -}; - -static struct clksrc_sources clkset_spi_mmc = { - .sources = clkset_spi_mmc_list, - .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), -}; - -static struct clk *clkset_irda_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - &clk_27m, -}; - -static struct clksrc_sources clkset_irda = { - .sources = clkset_irda_list, - .nr_sources = ARRAY_SIZE(clkset_irda_list), -}; - -static struct clk *clkset_uart_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - NULL -}; - -static struct clksrc_sources clkset_uart = { - .sources = clkset_uart_list, - .nr_sources = ARRAY_SIZE(clkset_uart_list), -}; - -static struct clk *clkset_uhost_list[] = { - &clk_48m, - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, -}; - -static struct clksrc_sources clkset_uhost = { - .sources = clkset_uhost_list, - .nr_sources = ARRAY_SIZE(clkset_uhost_list), -}; - -/* The peripheral clocks are all controlled via clocksource followed - * by an optional divider and gate stage. We currently roll this into - * one clock which hides the intermediate clock from the mux. - * - * Note, the JPEG clock can only be an even divider... - * - * The scaler and LCD clocks depend on the S3C64XX version, and also - * have a common parent divisor so are not included here. - */ - -/* clocks that feed other parts of the clock source tree */ - -static struct clk clk_iis_cd0 = { - .name = "iis_cdclk0", -}; - -static struct clk clk_iis_cd1 = { - .name = "iis_cdclk1", -}; - -static struct clk clk_iisv4_cd = { - .name = "iis_cdclk_v4", -}; - -static struct clk clk_pcm_cd = { - .name = "pcm_cdclk", -}; - -static struct clk *clkset_audio0_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd0, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio0 = { - .sources = clkset_audio0_list, - .nr_sources = ARRAY_SIZE(clkset_audio0_list), -}; - -static struct clk *clkset_audio1_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd1, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio1 = { - .sources = clkset_audio1_list, - .nr_sources = ARRAY_SIZE(clkset_audio1_list), -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk *clkset_audio2_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iisv4_cd, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio2 = { - .sources = clkset_audio2_list, - .nr_sources = ARRAY_SIZE(clkset_audio2_list), -}; -#endif - -static struct clksrc_clk clksrcs[] = { - { - .clk = { - .name = "usb-bus-host", - .ctrlbit = S3C_CLKCON_SCLK_UHOST, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 5, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4 }, - .sources = &clkset_uhost, - }, { - .clk = { - .name = "irda-bus", - .ctrlbit = S3C_CLKCON_SCLK_IRDA, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 24, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4 }, - .sources = &clkset_irda, - }, { - .clk = { - .name = "camera", - .ctrlbit = S3C_CLKCON_SCLK_CAM, - .enable = s3c64xx_sclk_ctrl, - .parent = &clk_h2, - }, - .reg_div = { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4 }, - }, -}; - -/* Where does UCLK0 come from? */ -static struct clksrc_clk clk_sclk_uclk = { - .clk = { - .name = "uclk1", - .ctrlbit = S3C_CLKCON_SCLK_UART, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 }, - .sources = &clkset_uart, -}; - -static struct clksrc_clk clk_sclk_mmc0 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.0", - .ctrlbit = S3C_CLKCON_SCLK_MMC0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 18, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc1 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.1", - .ctrlbit = S3C_CLKCON_SCLK_MMC1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 20, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc2 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.2", - .ctrlbit = S3C_CLKCON_SCLK_MMC2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 22, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi0 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.0", - .ctrlbit = S3C_CLKCON_SCLK_SPI0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 14, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi1 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.1", - .ctrlbit = S3C_CLKCON_SCLK_SPI1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 16, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_audio_bus0 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.0", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 7, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4 }, - .sources = &clkset_audio0, -}; - -static struct clksrc_clk clk_audio_bus1 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.1", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 10, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4 }, - .sources = &clkset_audio1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clksrc_clk clk_audio_bus2 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.2", - .ctrlbit = S3C6410_CLKCON_SCLK_AUDIO2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C6410_CLK_SRC2, .shift = 0, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 24, .size = 4 }, - .sources = &clkset_audio2, -}; -#endif -/* Clock initialisation code */ - -static struct clksrc_clk *init_parents[] = { - &clk_mout_apll, - &clk_mout_epll, - &clk_mout_mpll, -}; - -static struct clksrc_clk *clksrc_cdev[] = { - &clk_sclk_uclk, - &clk_sclk_mmc0, - &clk_sclk_mmc1, - &clk_sclk_mmc2, - &clk_sclk_spi0, - &clk_sclk_spi1, - &clk_audio_bus0, - &clk_audio_bus1, -}; - -static struct clk *clk_cdev[] = { - &clk_hsmmc0, - &clk_hsmmc1, - &clk_hsmmc2, - &clk_48m_spi0, - &clk_48m_spi1, - &clk_i2s0, - &clk_i2s1, -}; - -static struct clk_lookup s3c64xx_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), - CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk2", &clk_48m_spi0), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk2", &clk_48m_spi1), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_audio_bus0.clk), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk1", &clk_audio_bus1.clk), -#ifdef CONFIG_CPU_S3C6410 - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2), - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk1", &clk_audio_bus2.clk), -#endif -}; - -#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) - -void __init_or_cpufreq s3c64xx_setup_clocks(void) -{ - struct clk *xtal_clk; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long hclk2; - unsigned long pclk; - unsigned long epll; - unsigned long apll; - unsigned long mpll; - unsigned int ptr; - u32 clkdiv0; - - printk(KERN_DEBUG "%s: registering clocks\n", __func__); - - clkdiv0 = __raw_readl(S3C_CLK_DIV0); - printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); - - xtal_clk = clk_get(NULL, "xtal"); - BUG_ON(IS_ERR(xtal_clk)); - - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - - /* For now assume the mux always selects the crystal */ - clk_ext_xtal_mux.parent = xtal_clk; - - epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0), - __raw_readl(S3C_EPLL_CON1)); - mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); - apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); - - fclk = mpll; - - printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", - apll, mpll, epll); - - if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL) - /* Synchronous mode */ - hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - else - /* Asynchronous mode */ - hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - - hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); - pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); - - printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", - hclk2, hclk, pclk); - - clk_fout_mpll.rate = mpll; - clk_fout_epll.rate = epll; - clk_fout_apll.rate = apll; - - clk_h2.rate = hclk2; - clk_h.rate = hclk; - clk_p.rate = pclk; - clk_f.rate = fclk; - - for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) - s3c_set_clksrc(init_parents[ptr], true); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_set_clksrc(&clksrcs[ptr], true); -} - -static struct clk *clks1[] __initdata = { - &clk_ext_xtal_mux, - &clk_iis_cd0, - &clk_iis_cd1, - &clk_iisv4_cd, - &clk_pcm_cd, - &clk_mout_epll.clk, - &clk_mout_mpll.clk, - &clk_dout_mpll, - &clk_arm, -}; - -static struct clk *clks[] __initdata = { - &clk_ext, - &clk_epll, - &clk_27m, - &clk_48m, - &clk_h2, - &clk_xusbxti, -}; - -/** - * s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410 - * @xtal: The rate for the clock crystal feeding the PLLs. - * @armclk_divlimit: Divisor mask for ARMCLK. - * - * Register the clocks for the S3C6400 and S3C6410 SoC range, such - * as ARMCLK as well as the necessary parent clocks. - * - * This call does not setup the clocks, which is left to the - * s3c64xx_setup_clocks() call which may be needed by the cpufreq - * or resume code to re-set the clocks if the bootloader has changed - * them. - */ -void __init s3c64xx_register_clocks(unsigned long xtal, - unsigned armclk_divlimit) -{ - unsigned int cnt; - - armclk_mask = armclk_divlimit; - - s3c24xx_register_baseclocks(xtal); - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - - s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); - for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++) - s3c_disable_clocks(clk_cdev[cnt], 1); - - s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1)); - s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); - for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++) - s3c_register_clksrc(clksrc_cdev[cnt], 1); - clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup)); -} diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 73d79cf5e14..7d3cb58f185 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/clk-provider.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/serial_core.h> @@ -38,7 +39,6 @@ #include <mach/regs-gpio.h> #include <plat/cpu.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/pm.h> #include <plat/gpio-cfg.h> @@ -50,6 +50,19 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xtal_f = 12000000, xusbxti_f = 48000000; + +void __init s3c64xx_set_xtal_freq(unsigned long freq) +{ + xtal_f = freq; +} + +void __init s3c64xx_set_xusbxti_freq(unsigned long freq) +{ + xusbxti_f = freq; +} + /* uart registration process */ static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) @@ -67,7 +80,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6400_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6400_map_io, - .init_clocks = s3c6400_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6400_init, .name = name_s3c6400, @@ -75,7 +87,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6410_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6410_map_io, - .init_clocks = s3c6410_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6410_init, .name = name_s3c6410, @@ -213,8 +224,10 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) { /* * FIXME: there is no better place to put this at the moment - * (samsung_wdt_reset_init needs clocks) + * (s3c64xx_clk_init needs ioremap and must happen before init_time + * samsung_wdt_reset_init needs clocks) */ + s3c64xx_clk_init(NULL, xtal_f, xusbxti_f, soc_is_s3c6400(), S3C_VA_SYS); samsung_wdt_reset_init(S3C_VA_WATCHDOG); printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h index e8f990b3766..bd3bd562011 100644 --- a/arch/arm/mach-s3c64xx/common.h +++ b/arch/arm/mach-s3c64xx/common.h @@ -22,21 +22,21 @@ void s3c64xx_init_irq(u32 vic0, u32 vic1); void s3c64xx_init_io(struct map_desc *mach_desc, int size); -void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit); -void s3c64xx_setup_clocks(void); - void s3c64xx_restart(enum reboot_mode mode, const char *cmd); void s3c64xx_init_late(void); +void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, + unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base); +void s3c64xx_set_xtal_freq(unsigned long freq); +void s3c64xx_set_xusbxti_freq(unsigned long freq); + #ifdef CONFIG_CPU_S3C6400 extern int s3c6400_init(void); extern void s3c6400_init_irq(void); extern void s3c6400_map_io(void); -extern void s3c6400_init_clocks(int xtal); #else -#define s3c6400_init_clocks NULL #define s3c6400_map_io NULL #define s3c6400_init NULL #endif @@ -46,10 +46,8 @@ extern void s3c6400_init_clocks(int xtal); extern int s3c6410_init(void); extern void s3c6410_init_irq(void); extern void s3c6410_map_io(void); -extern void s3c6410_init_clocks(int xtal); #else -#define s3c6410_init_clocks NULL #define s3c6410_map_io NULL #define s3c6410_init NULL #endif diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 759846c28d1..c511dfaae14 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -677,7 +677,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, goto err_map; } - clk_enable(dmac->clk); + clk_prepare_enable(dmac->clk); dmac->regs = regs; dmac->chanbase = chbase; @@ -711,7 +711,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, return 0; err_clk: - clk_disable(dmac->clk); + clk_disable_unprepare(dmac->clk); clk_put(dmac->clk); err_map: iounmap(regs); diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h index 05332b998ec..4f44aac7709 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -15,145 +15,21 @@ #ifndef __PLAT_REGS_CLOCK_H #define __PLAT_REGS_CLOCK_H __FILE__ +/* + * FIXME: Remove remaining definitions + */ + #define S3C_CLKREG(x) (S3C_VA_SYS + (x)) -#define S3C_APLL_LOCK S3C_CLKREG(0x00) -#define S3C_MPLL_LOCK S3C_CLKREG(0x04) -#define S3C_EPLL_LOCK S3C_CLKREG(0x08) -#define S3C_APLL_CON S3C_CLKREG(0x0C) -#define S3C_MPLL_CON S3C_CLKREG(0x10) -#define S3C_EPLL_CON0 S3C_CLKREG(0x14) -#define S3C_EPLL_CON1 S3C_CLKREG(0x18) -#define S3C_CLK_SRC S3C_CLKREG(0x1C) -#define S3C_CLK_DIV0 S3C_CLKREG(0x20) -#define S3C_CLK_DIV1 S3C_CLKREG(0x24) -#define S3C_CLK_DIV2 S3C_CLKREG(0x28) -#define S3C_CLK_OUT S3C_CLKREG(0x2C) -#define S3C_HCLK_GATE S3C_CLKREG(0x30) #define S3C_PCLK_GATE S3C_CLKREG(0x34) -#define S3C_SCLK_GATE S3C_CLKREG(0x38) -#define S3C_MEM0_GATE S3C_CLKREG(0x3C) #define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) #define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) -/* CLKDIV0 */ -#define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) -#define S3C6400_CLKDIV0_PCLK_SHIFT (12) -#define S3C6400_CLKDIV0_HCLK2_MASK (0x7 << 9) -#define S3C6400_CLKDIV0_HCLK2_SHIFT (9) -#define S3C6400_CLKDIV0_HCLK_MASK (0x1 << 8) -#define S3C6400_CLKDIV0_HCLK_SHIFT (8) -#define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) -#define S3C6400_CLKDIV0_MPLL_SHIFT (4) - -#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) -#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) -#define S3C6400_CLKDIV0_ARM_SHIFT (0) - -/* HCLK GATE Registers */ -#define S3C_CLKCON_HCLK_3DSE (1<<31) -#define S3C_CLKCON_HCLK_UHOST (1<<29) -#define S3C_CLKCON_HCLK_SECUR (1<<28) -#define S3C_CLKCON_HCLK_SDMA1 (1<<27) -#define S3C_CLKCON_HCLK_SDMA0 (1<<26) -#define S3C_CLKCON_HCLK_IROM (1<<25) -#define S3C_CLKCON_HCLK_DDR1 (1<<24) -#define S3C_CLKCON_HCLK_DDR0 (1<<23) -#define S3C_CLKCON_HCLK_MEM1 (1<<22) -#define S3C_CLKCON_HCLK_MEM0 (1<<21) -#define S3C_CLKCON_HCLK_USB (1<<20) -#define S3C_CLKCON_HCLK_HSMMC2 (1<<19) -#define S3C_CLKCON_HCLK_HSMMC1 (1<<18) -#define S3C_CLKCON_HCLK_HSMMC0 (1<<17) -#define S3C_CLKCON_HCLK_MDP (1<<16) -#define S3C_CLKCON_HCLK_DHOST (1<<15) -#define S3C_CLKCON_HCLK_IHOST (1<<14) -#define S3C_CLKCON_HCLK_DMA1 (1<<13) -#define S3C_CLKCON_HCLK_DMA0 (1<<12) -#define S3C_CLKCON_HCLK_JPEG (1<<11) -#define S3C_CLKCON_HCLK_CAMIF (1<<10) -#define S3C_CLKCON_HCLK_SCALER (1<<9) -#define S3C_CLKCON_HCLK_2D (1<<8) -#define S3C_CLKCON_HCLK_TV (1<<7) -#define S3C_CLKCON_HCLK_POST0 (1<<5) -#define S3C_CLKCON_HCLK_ROT (1<<4) -#define S3C_CLKCON_HCLK_LCD (1<<3) -#define S3C_CLKCON_HCLK_TZIC (1<<2) -#define S3C_CLKCON_HCLK_INTC (1<<1) -#define S3C_CLKCON_HCLK_MFC (1<<0) - /* PCLK GATE Registers */ -#define S3C6410_CLKCON_PCLK_I2C1 (1<<27) -#define S3C6410_CLKCON_PCLK_IIS2 (1<<26) -#define S3C_CLKCON_PCLK_SKEY (1<<24) -#define S3C_CLKCON_PCLK_CHIPID (1<<23) -#define S3C_CLKCON_PCLK_SPI1 (1<<22) -#define S3C_CLKCON_PCLK_SPI0 (1<<21) -#define S3C_CLKCON_PCLK_HSIRX (1<<20) -#define S3C_CLKCON_PCLK_HSITX (1<<19) -#define S3C_CLKCON_PCLK_GPIO (1<<18) -#define S3C_CLKCON_PCLK_IIC (1<<17) -#define S3C_CLKCON_PCLK_IIS1 (1<<16) -#define S3C_CLKCON_PCLK_IIS0 (1<<15) -#define S3C_CLKCON_PCLK_AC97 (1<<14) -#define S3C_CLKCON_PCLK_TZPC (1<<13) -#define S3C_CLKCON_PCLK_TSADC (1<<12) -#define S3C_CLKCON_PCLK_KEYPAD (1<<11) -#define S3C_CLKCON_PCLK_IRDA (1<<10) -#define S3C_CLKCON_PCLK_PCM1 (1<<9) -#define S3C_CLKCON_PCLK_PCM0 (1<<8) -#define S3C_CLKCON_PCLK_PWM (1<<7) -#define S3C_CLKCON_PCLK_RTC (1<<6) -#define S3C_CLKCON_PCLK_WDT (1<<5) #define S3C_CLKCON_PCLK_UART3 (1<<4) #define S3C_CLKCON_PCLK_UART2 (1<<3) #define S3C_CLKCON_PCLK_UART1 (1<<2) #define S3C_CLKCON_PCLK_UART0 (1<<1) -#define S3C_CLKCON_PCLK_MFC (1<<0) - -/* SCLK GATE Registers */ -#define S3C_CLKCON_SCLK_UHOST (1<<30) -#define S3C_CLKCON_SCLK_MMC2_48 (1<<29) -#define S3C_CLKCON_SCLK_MMC1_48 (1<<28) -#define S3C_CLKCON_SCLK_MMC0_48 (1<<27) -#define S3C_CLKCON_SCLK_MMC2 (1<<26) -#define S3C_CLKCON_SCLK_MMC1 (1<<25) -#define S3C_CLKCON_SCLK_MMC0 (1<<24) -#define S3C_CLKCON_SCLK_SPI1_48 (1<<23) -#define S3C_CLKCON_SCLK_SPI0_48 (1<<22) -#define S3C_CLKCON_SCLK_SPI1 (1<<21) -#define S3C_CLKCON_SCLK_SPI0 (1<<20) -#define S3C_CLKCON_SCLK_DAC27 (1<<19) -#define S3C_CLKCON_SCLK_TV27 (1<<18) -#define S3C_CLKCON_SCLK_SCALER27 (1<<17) -#define S3C_CLKCON_SCLK_SCALER (1<<16) -#define S3C_CLKCON_SCLK_LCD27 (1<<15) -#define S3C_CLKCON_SCLK_LCD (1<<14) -#define S3C6400_CLKCON_SCLK_POST1_27 (1<<13) -#define S3C6410_CLKCON_FIMC (1<<13) -#define S3C_CLKCON_SCLK_POST0_27 (1<<12) -#define S3C6400_CLKCON_SCLK_POST1 (1<<11) -#define S3C6410_CLKCON_SCLK_AUDIO2 (1<<11) -#define S3C_CLKCON_SCLK_POST0 (1<<10) -#define S3C_CLKCON_SCLK_AUDIO1 (1<<9) -#define S3C_CLKCON_SCLK_AUDIO0 (1<<8) -#define S3C_CLKCON_SCLK_SECUR (1<<7) -#define S3C_CLKCON_SCLK_IRDA (1<<6) -#define S3C_CLKCON_SCLK_UART (1<<5) -#define S3C_CLKCON_SCLK_ONENAND (1<<4) -#define S3C_CLKCON_SCLK_MFC (1<<3) -#define S3C_CLKCON_SCLK_CAM (1<<2) -#define S3C_CLKCON_SCLK_JPEG (1<<1) - -/* CLKSRC */ - -#define S3C6400_CLKSRC_APLL_MOUT (1 << 0) -#define S3C6400_CLKSRC_MPLL_MOUT (1 << 1) -#define S3C6400_CLKSRC_EPLL_MOUT (1 << 2) -#define S3C6400_CLKSRC_APLL_MOUT_SHIFT (0) -#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT (1) -#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) -#define S3C6400_CLKSRC_MFC (1 << 4) /* MEM_SYS_CFG */ #define MEM_SYS_CFG_INDEP_CF 0x4000 diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 35e3f54574e..d266dd5f706 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -207,7 +207,7 @@ static struct platform_device *anw6410_devices[] __initdata = { static void __init anw6410_map_io(void) { s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1aca4..1a911df9e45 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -743,7 +743,7 @@ static struct s3c2410_platform_i2c i2c1_pdata = { static void __init crag6410_map_io(void) { s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(crag6410_uartcfgs, ARRAY_SIZE(crag6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index f39569e0f2e..e8064044ef7 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -247,7 +247,7 @@ static struct platform_device *hmt_devices[] __initdata = { static void __init hmt_map_io(void) { s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index fc043e3ecdf..58d46a3d7b7 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -231,7 +231,7 @@ static void __init mini6410_map_io(void) u32 tmp; s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c index 7e2c3908f1f..2067b0bf55b 100644 --- a/arch/arm/mach-s3c64xx/mach-ncp.c +++ b/arch/arm/mach-s3c64xx/mach-ncp.c @@ -86,7 +86,7 @@ static struct map_desc ncp_iodesc[] __initdata = {}; static void __init ncp_map_io(void) { s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index 86d980b448f..0f47237be3b 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -337,13 +337,6 @@ err: return ret; } -static int __init smartq_usb_otg_init(void) -{ - clk_xusbxti.rate = 12000000; - - return 0; -} - static int __init smartq_wifi_init(void) { int ret; @@ -377,7 +370,8 @@ static struct map_desc smartq_iodesc[] __initdata = {}; void __init smartq_map_io(void) { s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); + s3c64xx_set_xusbxti_freq(12000000); s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -399,7 +393,6 @@ void __init smartq_machine_init(void) WARN_ON(smartq_lcd_setup_gpio()); WARN_ON(smartq_power_off_init()); WARN_ON(smartq_usb_host_init()); - WARN_ON(smartq_usb_otg_init()); WARN_ON(smartq_wifi_init()); platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c index d70c0843aea..27381cfcabb 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c @@ -65,7 +65,7 @@ static struct map_desc smdk6400_iodesc[] = {}; static void __init smdk6400_map_io(void) { s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d90b450c564..2a7b32ca5c9 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -634,7 +634,7 @@ static void __init smdk6410_map_io(void) u32 tmp; s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 6a1f91fea67..8cdb824a3b4 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -194,29 +194,8 @@ void s3c_pm_debug_smdkled(u32 set, u32 clear) #endif static struct sleep_save core_save[] = { - SAVE_ITEM(S3C_APLL_LOCK), - SAVE_ITEM(S3C_MPLL_LOCK), - SAVE_ITEM(S3C_EPLL_LOCK), - SAVE_ITEM(S3C_CLK_SRC), - SAVE_ITEM(S3C_CLK_DIV0), - SAVE_ITEM(S3C_CLK_DIV1), - SAVE_ITEM(S3C_CLK_DIV2), - SAVE_ITEM(S3C_CLK_OUT), - SAVE_ITEM(S3C_HCLK_GATE), - SAVE_ITEM(S3C_PCLK_GATE), - SAVE_ITEM(S3C_SCLK_GATE), - SAVE_ITEM(S3C_MEM0_GATE), - - SAVE_ITEM(S3C_EPLL_CON1), - SAVE_ITEM(S3C_EPLL_CON0), - SAVE_ITEM(S3C64XX_MEM0DRVCON), SAVE_ITEM(S3C64XX_MEM1DRVCON), - -#ifndef CONFIG_CPU_FREQ - SAVE_ITEM(S3C_APLL_CON), - SAVE_ITEM(S3C_MPLL_CON), -#endif }; static struct sleep_save misc_save[] = { diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 4869714c6f1..331fe8e5814 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -58,12 +58,6 @@ void __init s3c6400_map_io(void) s3c64xx_onenand1_setname("s3c6400-onenand"); } -void __init s3c6400_init_clocks(int xtal) -{ - s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6400_init_irq(void) { /* VIC0 does not have IRQS 5..7, diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 31c29fdf180..7e6fa125584 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -62,13 +62,6 @@ void __init s3c6410_map_io(void) s3c_cfcon_setname("s3c64xx-pata"); } -void __init s3c6410_init_clocks(int xtal) -{ - printk(KERN_DEBUG "%s: initialising clocks\n", __func__); - s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6410_init_irq(void) { /* VIC0 is missing IRQ7, VIC1 is fully populated. */ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 1f94c310c47..5dd5f9f7897 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -101,12 +101,24 @@ config ARCH_R8A7790 select SH_CLK_CPG select RENESAS_IRQC +config ARCH_R8A7791 + bool "R-Car M2 (R8A77910)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + config ARCH_EMEV2 bool "Emma Mobile EV2" select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC select CPU_V7 +config ARCH_R7S72100 + bool "RZ/A1H (R7S72100)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + comment "SH-Mobile Board Type" config MACH_APE6EVM diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 2705bfa8c11..f2d40edadcc 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -15,7 +15,10 @@ obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o setup-rcar-gen2.o +obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o setup-rcar-gen2.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o # Clock objects ifndef CONFIG_COMMON_CLK @@ -27,13 +30,17 @@ obj-$(CONFIG_ARCH_R8A7740) += clock-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += clock-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += clock-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += clock-r8a7790.o +obj-$(CONFIG_ARCH_R8A7791) += clock-r8a7791.o obj-$(CONFIG_ARCH_EMEV2) += clock-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += clock-r7s72100.o endif # SMP objects smp-y := platsmp.o headsmp.o smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o headsmp-scu.o platsmp-scu.o smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o headsmp-scu.o platsmp-scu.o +smp-$(CONFIG_ARCH_R8A7790) += smp-r8a7790.o platsmp-apmu.o +smp-$(CONFIG_ARCH_R8A7791) += smp-r8a7791.o platsmp-apmu.o smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o # IRQ objects diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c index a23fa714f7a..3276afcf3cc 100644 --- a/arch/arm/mach-shmobile/board-ape6evm-reference.c +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c @@ -57,7 +57,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c index 24b87eea9da..d36e23f5d8b 100644 --- a/arch/arm/mach-shmobile/board-ape6evm.c +++ b/arch/arm/mach-shmobile/board-ape6evm.c @@ -240,7 +240,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 5bd1479d3de..7f8f6076d36 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1108,9 +1108,9 @@ static const struct pinctrl_map eva_pinctrl_map[] = { PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740", "fsib_mclk_in", "fsib"), /* GETHER */ - PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740", "gether_mii", "gether"), - PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740", "gether_int", "gether"), /* HDMI */ PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740", diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c index 9c316a1b2e3..1a1a4a88863 100644 --- a/arch/arm/mach-shmobile/board-lager-reference.c +++ b/arch/arm/mach-shmobile/board-lager-reference.c @@ -38,8 +38,9 @@ static const char *lager_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .init_machine = lager_add_standard_devices, - .init_time = r8a7790_timer_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index ffb6f0ac760..4e040e4d110 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -29,6 +29,7 @@ #include <linux/pinctrl/machine.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_device.h> +#include <linux/phy.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/sh_eth.h> @@ -155,14 +156,39 @@ static void __init lager_add_standard_devices(void) ðer_pdata, sizeof(ether_pdata)); } +/* + * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds + * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits + * 14-15. We have to set them back to 01 from the default 00 value each time + * the PHY is reset. It's also important because the PHY's LED0 signal is + * connected to SoC's ETH_LINK signal and in the PHY's default mode it will + * bounce on and off after each packet, which we apparently want to avoid. + */ +static int lager_ksz8041_fixup(struct phy_device *phydev) +{ + u16 phyctrl1 = phy_read(phydev, 0x1e); + + phyctrl1 &= ~0xc000; + phyctrl1 |= 0x4000; + return phy_write(phydev, 0x1e, phyctrl1); +} + +static void __init lager_init(void) +{ + lager_add_standard_devices(); + + phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup); +} + static const char *lager_boards_compat_dt[] __initdata = { "renesas,lager", NULL, }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, - .init_machine = lager_add_standard_devices, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, + .init_machine = lager_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-r7s72100.c b/arch/arm/mach-shmobile/clock-r7s72100.c new file mode 100644 index 00000000000..4aba20ca127 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r7s72100.c @@ -0,0 +1,202 @@ +/* + * r7a72100 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2012 Phil Edworthy + * Copyright (C) 2011 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> +#include <mach/r7s72100.h> + +/* registers */ +#define FRQCR 0xfcfe0010 +#define FRQCR2 0xfcfe0014 +#define STBCR3 0xfcfe0420 +#define STBCR4 0xfcfe0424 + +#define PLL_RATE 30 + +static struct clk_mapping cpg_mapping = { + .phys = 0xfcfe0000, + .len = 0x1000, +}; + +/* Fixed 32 KHz root clock for RTC */ +static struct clk r_clk = { + .rate = 32768, +}; + +/* + * Default rate for the root input clock, reset this with clk_set_rate() + * from the platform code. + */ +static struct clk extal_clk = { + .rate = 13330000, + .mapping = &cpg_mapping, +}; + +static unsigned long pll_recalc(struct clk *clk) +{ + return clk->parent->rate * PLL_RATE; +} + +static struct sh_clk_ops pll_clk_ops = { + .recalc = pll_recalc, +}; + +static struct clk pll_clk = { + .ops = &pll_clk_ops, + .parent = &extal_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long bus_recalc(struct clk *clk) +{ + return clk->parent->rate * 2 / 3; +} + +static struct sh_clk_ops bus_clk_ops = { + .recalc = bus_recalc, +}; + +static struct clk bus_clk = { + .ops = &bus_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral0_recalc(struct clk *clk) +{ + return clk->parent->rate / 12; +} + +static struct sh_clk_ops peripheral0_clk_ops = { + .recalc = peripheral0_recalc, +}; + +static struct clk peripheral0_clk = { + .ops = &peripheral0_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral1_recalc(struct clk *clk) +{ + return clk->parent->rate / 6; +} + +static struct sh_clk_ops peripheral1_clk_ops = { + .recalc = peripheral1_recalc, +}; + +static struct clk peripheral1_clk = { + .ops = &peripheral1_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +struct clk *main_clks[] = { + &r_clk, + &extal_clk, + &pll_clk, + &bus_clk, + &peripheral0_clk, + &peripheral1_clk, +}; + +static int div2[] = { 1, 3, 0, 3 }; /* 1, 2/3, reserve, 1/3 */ +static int multipliers[] = { 1, 2, 1, 1 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = div2, + .nr_divisors = ARRAY_SIZE(div2), + .multipliers = multipliers, + .nr_multipliers = ARRAY_SIZE(multipliers), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, +}; + +enum { DIV4_I, + DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags) + +/* The mask field specifies the div2 entries that are valid */ +struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(FRQCR, 8, 0xB, CLK_ENABLE_REG_16BIT + | CLK_ENABLE_ON_INIT), +}; + +enum { MSTP47, MSTP46, MSTP45, MSTP44, MSTP43, MSTP42, MSTP41, MSTP40, + MSTP33, MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP47] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 7, 0), /* SCIF0 */ + [MSTP46] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 6, 0), /* SCIF1 */ + [MSTP45] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 5, 0), /* SCIF2 */ + [MSTP44] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 4, 0), /* SCIF3 */ + [MSTP43] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 3, 0), /* SCIF4 */ + [MSTP42] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 2, 0), /* SCIF5 */ + [MSTP41] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 1, 0), /* SCIF6 */ + [MSTP40] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 0, 0), /* SCIF7 */ + [MSTP33] = SH_CLK_MSTP8(&peripheral0_clk, STBCR3, 3, 0), /* MTU2 */ +}; + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("rclk", &r_clk), + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("pll_clk", &pll_clk), + CLKDEV_CON_ID("peripheral_clk", &peripheral1_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), + + /* MSTP clocks */ + CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[MSTP47]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[MSTP46]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.2", &mstp_clks[MSTP45]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.3", &mstp_clks[MSTP44]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.4", &mstp_clks[MSTP43]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[MSTP42]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.6", &mstp_clks[MSTP41]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.7", &mstp_clks[MSTP40]), +}; + +void __init r7s72100_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup rza1 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index 5bd2e851e3c..571409b611d 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -504,7 +504,7 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { - MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, + MSTP218, MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP329, MSTP323, MSTP318, MSTP317, MSTP316, MSTP315, MSTP314, MSTP313, MSTP312, MSTP305, MSTP300, MSTP411, MSTP410, MSTP409, @@ -519,6 +519,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 7, 0), /* SCIFB1 */ [MSTP216] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 16, 0), /* SCIFB2 */ [MSTP217] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 17, 0), /* SCIFB3 */ + [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC */ [MSTP300] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 0, 0), /* IIC2 */ [MSTP305] = SH_CLK_MSTP32(&div6_clks[DIV6_MMC1],SMSTPCR3, 5, 0), /* MMCIF1 */ [MSTP312] = SH_CLK_MSTP32(&div6_clks[DIV6_SDHI2],SMSTPCR3, 12, 0), /* SDHI2 */ @@ -578,6 +579,8 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), + CLKDEV_DEV_ID("e6700020.dma-controller", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("e6520000.i2c", &mstp_clks[MSTP300]), CLKDEV_DEV_ID("sh_mmcif.1", &mstp_clks[MSTP305]), diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c index c4bf2d8fb11..fb6af83858e 100644 --- a/arch/arm/mach-shmobile/clock-r8a7778.c +++ b/arch/arm/mach-shmobile/clock-r8a7778.c @@ -69,6 +69,15 @@ static struct clk extal_clk = { .mapping = &cpg_mapping, }; +static struct clk audio_clk_a = { +}; + +static struct clk audio_clk_b = { +}; + +static struct clk audio_clk_c = { +}; + /* * clock ratio of these clock will be updated * on r8a7778_clock_init() @@ -100,18 +109,23 @@ static struct clk *main_clks[] = { &p_clk, &g_clk, &z_clk, + &audio_clk_a, + &audio_clk_b, + &audio_clk_c, }; enum { MSTP331, MSTP323, MSTP322, MSTP321, + MSTP311, MSTP310, + MSTP309, MSTP308, MSTP307, MSTP114, MSTP110, MSTP109, MSTP100, MSTP030, MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, - MSTP016, MSTP015, - MSTP007, + MSTP016, MSTP015, MSTP012, MSTP011, MSTP010, + MSTP009, MSTP008, MSTP007, MSTP_NR }; static struct clk mstp_clks[MSTP_NR] = { @@ -119,6 +133,11 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP323] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 23, 0), /* SDHI0 */ [MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */ [MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */ + [MSTP311] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 11, 0), /* SSI4 */ + [MSTP310] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 10, 0), /* SSI5 */ + [MSTP309] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 9, 0), /* SSI6 */ + [MSTP308] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 8, 0), /* SSI7 */ + [MSTP307] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 7, 0), /* SSI8 */ [MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */ [MSTP110] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 10, 0), /* VIN0 */ [MSTP109] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 9, 0), /* VIN1 */ @@ -135,11 +154,20 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP021] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 21, 0), /* SCIF5 */ [MSTP016] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 16, 0), /* TMU0 */ [MSTP015] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 15, 0), /* TMU1 */ + [MSTP012] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 12, 0), /* SSI0 */ + [MSTP011] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 11, 0), /* SSI1 */ + [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */ + [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 9, 0), /* SSI3 */ + [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 8, 0), /* SRU */ [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 7, 0), /* HSPI */ }; static struct clk_lookup lookups[] = { /* main */ + CLKDEV_CON_ID("audio_clk_a", &audio_clk_a), + CLKDEV_CON_ID("audio_clk_b", &audio_clk_b), + CLKDEV_CON_ID("audio_clk_c", &audio_clk_c), + CLKDEV_CON_ID("audio_clk_internal", &s1_clk), CLKDEV_CON_ID("shyway_clk", &s_clk), CLKDEV_CON_ID("peripheral_clk", &p_clk), @@ -153,6 +181,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("r8a7778-vin.1", &mstp_clks[MSTP109]), /* VIN1 */ CLKDEV_DEV_ID("ehci-platform", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ CLKDEV_DEV_ID("ohci-platform", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */ + CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP100]), /* USB FUNC */ CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */ CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */ CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */ @@ -168,6 +197,17 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */ CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */ CLKDEV_DEV_ID("sh-hspi.2", &mstp_clks[MSTP007]), /* HSPI2 */ + CLKDEV_DEV_ID("rcar_sound", &mstp_clks[MSTP008]), /* SRU */ + + CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP012]), + CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP011]), + CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP010]), + CLKDEV_ICK_ID("ssi.3", "rcar_sound", &mstp_clks[MSTP009]), + CLKDEV_ICK_ID("ssi.4", "rcar_sound", &mstp_clks[MSTP311]), + CLKDEV_ICK_ID("ssi.5", "rcar_sound", &mstp_clks[MSTP310]), + CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP309]), + CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP308]), + CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP307]), }; void __init r8a7778_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index bd6ad922eb7..1f7080fab0a 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -200,7 +200,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */ CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */ - CLKDEV_DEV_ID("rcar-du.0", &mstp_clks[MSTP103]), /* DU */ + CLKDEV_DEV_ID("rcar-du-r8a7779", &mstp_clks[MSTP103]), /* DU */ }; void __init r8a7779_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c index fc36d3db0b4..a64f965c7da 100644 --- a/arch/arm/mach-shmobile/clock-r8a7790.c +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -52,6 +52,7 @@ #define SMSTPCR5 0xe6150144 #define SMSTPCR7 0xe615014c #define SMSTPCR8 0xe6150990 +#define SMSTPCR9 0xe6150994 #define SDCKCR 0xE6150074 #define SD2CKCR 0xE6150078 @@ -181,8 +182,9 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { + MSTP931, MSTP930, MSTP929, MSTP928, MSTP813, - MSTP721, MSTP720, + MSTP726, MSTP725, MSTP724, MSTP723, MSTP722, MSTP721, MSTP720, MSTP717, MSTP716, MSTP522, MSTP315, MSTP314, MSTP313, MSTP312, MSTP311, MSTP305, MSTP304, @@ -192,7 +194,16 @@ enum { }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP931] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 31, 0), /* I2C0 */ + [MSTP930] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 30, 0), /* I2C1 */ + [MSTP929] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 29, 0), /* I2C2 */ + [MSTP928] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 28, 0), /* I2C3 */ [MSTP813] = SH_CLK_MSTP32(&p_clk, SMSTPCR8, 13, 0), /* Ether */ + [MSTP726] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 26, 0), /* LVDS0 */ + [MSTP725] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 25, 0), /* LVDS1 */ + [MSTP724] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 24, 0), /* DU0 */ + [MSTP723] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 23, 0), /* DU1 */ + [MSTP722] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 22, 0), /* DU2 */ [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ [MSTP717] = SH_CLK_MSTP32(&zs_clk, SMSTPCR7, 17, 0), /* HSCIF0 */ @@ -251,6 +262,11 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("ssprs", &div6_clks[DIV6_SSPRS]), /* MSTP */ + CLKDEV_ICK_ID("lvds.0", "rcar-du-r8a7790", &mstp_clks[MSTP726]), + CLKDEV_ICK_ID("lvds.1", "rcar-du-r8a7790", &mstp_clks[MSTP725]), + CLKDEV_ICK_ID("du.0", "rcar-du-r8a7790", &mstp_clks[MSTP724]), + CLKDEV_ICK_ID("du.1", "rcar-du-r8a7790", &mstp_clks[MSTP723]), + CLKDEV_ICK_ID("du.2", "rcar-du-r8a7790", &mstp_clks[MSTP722]), CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), @@ -261,6 +277,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP717]), CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP716]), + CLKDEV_DEV_ID("e6508000.i2c", &mstp_clks[MSTP931]), + CLKDEV_DEV_ID("e6518000.i2c", &mstp_clks[MSTP930]), + CLKDEV_DEV_ID("e6530000.i2c", &mstp_clks[MSTP929]), + CLKDEV_DEV_ID("e6540000.i2c", &mstp_clks[MSTP928]), CLKDEV_DEV_ID("r8a7790-ether", &mstp_clks[MSTP813]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("ee200000.mmcif", &mstp_clks[MSTP315]), @@ -290,7 +310,7 @@ static struct clk_lookup lookups[] = { void __init r8a7790_clock_init(void) { - u32 mode = r8a7790_read_mode_pins(); + u32 mode = rcar_gen2_read_mode_pins(); int k, ret = 0; switch (mode & (MD(14) | MD(13))) { diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c new file mode 100644 index 00000000000..c9a26f16ce5 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7791.c @@ -0,0 +1,237 @@ +/* + * r8a7791 clock framework support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/clock.h> +#include <mach/common.h> + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x 1 x172/2 x208/2 x106 + * 0 0 1 15 x 1 x172/2 x208/2 x88 + * 0 1 0 20 x 1 x130/2 x156/2 x80 + * 0 1 1 20 x 1 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.6 indicates VCO ouput (PLLx = VCO/2) + * see "p1 / 2" on R8A7791_CLOCK_ROOT() below + */ + +#define MD(nr) (1 << nr) + +#define CPG_BASE 0xe6150000 +#define CPG_LEN 0x1000 + +#define SMSTPCR0 0xE6150130 +#define SMSTPCR1 0xE6150134 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR3 0xE615013C +#define SMSTPCR5 0xE6150144 +#define SMSTPCR7 0xe615014c +#define SMSTPCR8 0xE6150990 +#define SMSTPCR9 0xE6150994 +#define SMSTPCR10 0xE6150998 +#define SMSTPCR11 0xE615099C + +#define MODEMR 0xE6160060 +#define SDCKCR 0xE6150074 +#define SD2CKCR 0xE6150078 +#define SD3CKCR 0xE615007C +#define MMC0CKCR 0xE6150240 +#define MMC1CKCR 0xE6150244 +#define SSPCKCR 0xE6150248 +#define SSPRSCKCR 0xE615024C + +static struct clk_mapping cpg_mapping = { + .phys = CPG_BASE, + .len = CPG_LEN, +}; + +static struct clk extal_clk = { + /* .rate will be updated on r8a7791_clock_init() */ + .mapping = &cpg_mapping, +}; + +static struct sh_clk_ops followparent_clk_ops = { + .recalc = followparent_recalc, +}; + +static struct clk main_clk = { + /* .parent will be set r8a73a4_clock_init */ + .ops = &followparent_clk_ops, +}; + +/* + * clock ratio of these clock will be updated + * on r8a7791_clock_init() + */ +SH_FIXED_RATIO_CLK_SET(pll1_clk, main_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(pll3_clk, main_clk, 1, 1); + +/* fixed ratio clock */ +SH_FIXED_RATIO_CLK_SET(extal_div2_clk, extal_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(cp_clk, extal_clk, 1, 2); + +SH_FIXED_RATIO_CLK_SET(pll1_div2_clk, pll1_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(hp_clk, pll1_clk, 1, 12); +SH_FIXED_RATIO_CLK_SET(p_clk, pll1_clk, 1, 24); +SH_FIXED_RATIO_CLK_SET(rclk_clk, pll1_clk, 1, (48 * 1024)); +SH_FIXED_RATIO_CLK_SET(mp_clk, pll1_div2_clk, 1, 15); + +static struct clk *main_clks[] = { + &extal_clk, + &extal_div2_clk, + &main_clk, + &pll1_clk, + &pll1_div2_clk, + &pll3_clk, + &hp_clk, + &p_clk, + &rclk_clk, + &mp_clk, + &cp_clk, +}; + +/* MSTP */ +enum { + MSTP721, MSTP720, + MSTP719, MSTP718, MSTP715, MSTP714, + MSTP216, MSTP207, MSTP206, + MSTP204, MSTP203, MSTP202, MSTP1105, MSTP1106, MSTP1107, + MSTP124, + MSTP_NR +}; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ + [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ + [MSTP719] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 19, 0), /* SCIF2 */ + [MSTP718] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 18, 0), /* SCIF3 */ + [MSTP715] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 15, 0), /* SCIF4 */ + [MSTP714] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 14, 0), /* SCIF5 */ + [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP204] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ + [MSTP1105] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 5, 0), /* SCIFA3 */ + [MSTP1106] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 6, 0), /* SCIFA4 */ + [MSTP1107] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 7, 0), /* SCIFA5 */ + [MSTP124] = SH_CLK_MSTP32(&rclk_clk, SMSTPCR1, 24, 0), /* CMT0 */ +}; + +static struct clk_lookup lookups[] = { + + /* main clocks */ + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("extal_div2", &extal_div2_clk), + CLKDEV_CON_ID("main", &main_clk), + CLKDEV_CON_ID("pll1", &pll1_clk), + CLKDEV_CON_ID("pll1_div2", &pll1_div2_clk), + CLKDEV_CON_ID("pll3", &pll3_clk), + CLKDEV_CON_ID("hp", &hp_clk), + CLKDEV_CON_ID("p", &p_clk), + CLKDEV_CON_ID("rclk", &rclk_clk), + CLKDEV_CON_ID("mp", &mp_clk), + CLKDEV_CON_ID("cp", &cp_clk), + CLKDEV_CON_ID("peripheral_clk", &hp_clk), + + /* MSTP */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), /* SCIFB0 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), /* SCIFB1 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), /* SCIFB2 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP202]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP719]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP718]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.10", &mstp_clks[MSTP715]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.11", &mstp_clks[MSTP714]), /* SCIF5 */ + CLKDEV_DEV_ID("sh-sci.12", &mstp_clks[MSTP1105]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.13", &mstp_clks[MSTP1106]), /* SCIFA4 */ + CLKDEV_DEV_ID("sh-sci.14", &mstp_clks[MSTP1107]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]), +}; + +#define R8A7791_CLOCK_ROOT(e, m, p0, p1, p30, p31) \ + extal_clk.rate = e * 1000 * 1000; \ + main_clk.parent = m; \ + SH_CLK_SET_RATIO(&pll1_clk_ratio, p1 / 2, 1); \ + if (mode & MD(19)) \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p31, 1); \ + else \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p30, 1) + + +void __init r8a7791_clock_init(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE); + u32 mode; + int k, ret = 0; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + switch (mode & (MD(14) | MD(13))) { + case 0: + R8A7791_CLOCK_ROOT(15, &extal_clk, 172, 208, 106, 88); + break; + case MD(13): + R8A7791_CLOCK_ROOT(20, &extal_clk, 130, 156, 80, 66); + break; + case MD(14): + R8A7791_CLOCK_ROOT(26, &extal_div2_clk, 200, 240, 122, 102); + break; + case MD(13) | MD(14): + R8A7791_CLOCK_ROOT(30, &extal_div2_clk, 172, 208, 106, 88); + break; + } + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + goto epanic; + + return; + +epanic: + panic("failed to setup r8a7791 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index f93751caf5c..e5be5c88644 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -40,6 +40,9 @@ shmobile_boot_fn: .globl shmobile_boot_arg shmobile_boot_arg: 2: .space 4 + .globl shmobile_boot_size +shmobile_boot_size: + .long . - shmobile_boot_vector /* * Per-CPU SMP boot function/argument selection code based on MPIDR diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 7b938681e75..e31980590eb 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -9,16 +9,23 @@ extern void shmobile_setup_console(void); extern void shmobile_boot_vector(void); extern unsigned long shmobile_boot_fn; extern unsigned long shmobile_boot_arg; +extern unsigned long shmobile_boot_size; extern void shmobile_smp_boot(void); extern void shmobile_smp_sleep(void); extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg); +extern int shmobile_smp_cpu_disable(unsigned int cpu); +extern void shmobile_invalidate_start(void); extern void shmobile_boot_scu(void); extern void shmobile_smp_scu_prepare_cpus(unsigned int max_cpus); -extern int shmobile_smp_scu_boot_secondary(unsigned int cpu, - struct task_struct *idle); extern void shmobile_smp_scu_cpu_die(unsigned int cpu); extern int shmobile_smp_scu_cpu_kill(unsigned int cpu); +extern void shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus); +extern int shmobile_smp_apmu_boot_secondary(unsigned int cpu, + struct task_struct *idle); +extern void shmobile_smp_apmu_cpu_die(unsigned int cpu); +extern int shmobile_smp_apmu_cpu_kill(unsigned int cpu); +extern void shmobile_invalidate_start(void); struct clk; extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); @@ -39,7 +46,6 @@ static inline int shmobile_cpuidle_init(void) { return 0; } #endif extern void __iomem *shmobile_scu_base; -extern void shmobile_smp_init_cpus(unsigned int ncores); static inline void __init shmobile_init_late(void) { diff --git a/arch/arm/mach-shmobile/include/mach/r7s72100.h b/arch/arm/mach-shmobile/include/mach/r7s72100.h new file mode 100644 index 00000000000..5f34b20ecd4 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r7s72100.h @@ -0,0 +1,8 @@ +#ifndef __ASM_R7S72100_H__ +#define __ASM_R7S72100_H__ + +void r7s72100_add_dt_devices(void); +void r7s72100_clock_init(void); +void r7s72100_init_early(void); + +#endif /* __ASM_R7S72100_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a73a4.h b/arch/arm/mach-shmobile/include/mach/r8a73a4.h index f3a9b702da5..ce8bdd1d8a8 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a73a4.h +++ b/arch/arm/mach-shmobile/include/mach/r8a73a4.h @@ -1,10 +1,19 @@ #ifndef __ASM_R8A73A4_H__ #define __ASM_R8A73A4_H__ +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_MMCIF0_TX, + SHDMA_SLAVE_MMCIF0_RX, + SHDMA_SLAVE_MMCIF1_TX, + SHDMA_SLAVE_MMCIF1_RX, +}; + void r8a73a4_add_standard_devices(void); void r8a73a4_add_dt_devices(void); void r8a73a4_clock_init(void); void r8a73a4_pinmux_init(void); -void r8a73a4_init_delay(void); +void r8a73a4_init_early(void); #endif /* __ASM_R8A73A4_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h index adfcf51b163..dbe221a484d 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 Renesas Solutions Corp. * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * Copyright (C) 2013 Cogent Embedded, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +22,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + extern void r8a7778_add_standard_devices(void); extern void r8a7778_add_standard_devices_dt(void); extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata); @@ -33,6 +41,9 @@ extern void r8a7778_init_delay(void); extern void r8a7778_init_irq_dt(void); extern void r8a7778_clock_init(void); extern void r8a7778_init_irq_extpin(int irlm); +extern void r8a7778_init_irq_extpin_dt(int irlm); extern void r8a7778_pinmux_init(void); +extern int r8a7778_usb_phy_power(bool enable); + #endif /* __ASM_R8A7778_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index 11c740047e1..17af34ed89c 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -6,6 +6,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + struct platform_device; struct r8a7779_pm_ch { @@ -26,6 +33,7 @@ static inline struct r8a7779_pm_ch *to_r8a7779_ch(struct generic_pm_domain *d) extern void r8a7779_init_delay(void); extern void r8a7779_init_irq_extpin(int irlm); +extern void r8a7779_init_irq_extpin_dt(int irlm); extern void r8a7779_init_irq_dt(void); extern void r8a7779_map_io(void); extern void r8a7779_earlytimer_init(void); diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h b/arch/arm/mach-shmobile/include/mach/r8a7790.h index 788d5595209..5fbfa28b40b 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7790.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h @@ -1,14 +1,13 @@ #ifndef __ASM_R8A7790_H__ #define __ASM_R8A7790_H__ +#include <mach/rcar-gen2.h> + void r8a7790_add_standard_devices(void); void r8a7790_add_dt_devices(void); void r8a7790_clock_init(void); void r8a7790_pinmux_init(void); -void r8a7790_init_delay(void); -void r8a7790_timer_init(void); - -#define MD(nr) BIT(nr) -u32 r8a7790_read_mode_pins(void); +void r8a7790_init_early(void); +extern struct smp_operations r8a7790_smp_ops; #endif /* __ASM_R8A7790_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7791.h b/arch/arm/mach-shmobile/include/mach/r8a7791.h new file mode 100644 index 00000000000..051ead3c286 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7791.h @@ -0,0 +1,10 @@ +#ifndef __ASM_R8A7791_H__ +#define __ASM_R8A7791_H__ + +void r8a7791_add_standard_devices(void); +void r8a7791_add_dt_devices(void); +void r8a7791_clock_init(void); +void r8a7791_init_early(void); +extern struct smp_operations r8a7791_smp_ops; + +#endif /* __ASM_R8A7791_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/rcar-gen2.h b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h new file mode 100644 index 00000000000..43f606eb2d8 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h @@ -0,0 +1,8 @@ +#ifndef __ASM_RCAR_GEN2_H__ +#define __ASM_RCAR_GEN2_H__ + +void rcar_gen2_timer_init(void); +#define MD(nr) BIT(nr) +u32 rcar_gen2_read_mode_pins(void); + +#endif /* __ASM_RCAR_GEN2_H__ */ diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c new file mode 100644 index 00000000000..1da5a72d964 --- /dev/null +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -0,0 +1,195 @@ +/* + * SMP support for SoCs with APMU + * + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/of_address.h> +#include <linux/smp.h> +#include <asm/cacheflush.h> +#include <asm/cp15.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +static struct { + void __iomem *iomem; + int bit; +} apmu_cpus[CONFIG_NR_CPUS]; + +#define WUPCR_OFFS 0x10 +#define PSTR_OFFS 0x40 +#define CPUNCR_OFFS(n) (0x100 + (0x10 * (n))) + +static int apmu_power_on(void __iomem *p, int bit) +{ + /* request power on */ + writel_relaxed(BIT(bit), p + WUPCR_OFFS); + + /* wait for APMU to finish */ + while (readl_relaxed(p + WUPCR_OFFS) != 0) + ; + + return 0; +} + +static int apmu_power_off(void __iomem *p, int bit) +{ + /* request Core Standby for next WFI */ + writel_relaxed(3, p + CPUNCR_OFFS(bit)); + return 0; +} + +static int apmu_power_off_poll(void __iomem *p, int bit) +{ + int k; + + for (k = 0; k < 1000; k++) { + if (((readl_relaxed(p + PSTR_OFFS) >> (bit * 4)) & 0x03) == 3) + return 1; + + mdelay(1); + } + + return 0; +} + +static int apmu_wrap(int cpu, int (*fn)(void __iomem *p, int cpu)) +{ + void __iomem *p = apmu_cpus[cpu].iomem; + + return p ? fn(p, apmu_cpus[cpu].bit) : -EINVAL; +} + +static void apmu_init_cpu(struct resource *res, int cpu, int bit) +{ + if (apmu_cpus[cpu].iomem) + return; + + apmu_cpus[cpu].iomem = ioremap_nocache(res->start, resource_size(res)); + apmu_cpus[cpu].bit = bit; + + pr_debug("apmu ioremap %d %d 0x%08x 0x%08x\n", cpu, bit, + res->start, resource_size(res)); +} + +static struct { + struct resource iomem; + int cpus[4]; +} apmu_config[] = { + { + .iomem = DEFINE_RES_MEM(0xe6152000, 0x88), + .cpus = { 0, 1, 2, 3 }, + }, + { + .iomem = DEFINE_RES_MEM(0xe6151000, 0x88), + .cpus = { 0x100, 0x101, 0x102, 0x103 }, + } +}; + +static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit)) +{ + u32 id; + int k; + int bit, index; + bool is_allowed; + + for (k = 0; k < ARRAY_SIZE(apmu_config); k++) { + /* only enable the cluster that includes the boot CPU */ + is_allowed = false; + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + if (id == cpu_logical_map(0)) + is_allowed = true; + } + } + if (!is_allowed) + continue; + + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + index = get_logical_index(id); + if (index >= 0) + fn(&apmu_config[k].iomem, index, bit); + } + } + } +} + +void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus) +{ + /* install boot code shared by all CPUs */ + shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); + shmobile_boot_arg = MPIDR_HWID_BITMASK; + + /* perform per-cpu setup */ + apmu_parse_cfg(apmu_init_cpu); +} + +int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + /* For this particular CPU register boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_invalidate_start), 0); + + return apmu_wrap(cpu, apmu_power_on); +} + +#ifdef CONFIG_HOTPLUG_CPU +/* nicked from arch/arm/mach-exynos/hotplug.c */ +static inline void cpu_enter_lowpower_a15(void) +{ + unsigned int v; + + asm volatile( + " mrc p15, 0, %0, c1, c0, 0\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 0\n" + : "=&r" (v) + : "Ir" (CR_C) + : "cc"); + + flush_cache_louis(); + + asm volatile( + /* + * Turn off coherency + */ + " mrc p15, 0, %0, c1, c0, 1\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 1\n" + : "=&r" (v) + : "Ir" (0x40) + : "cc"); + + isb(); + dsb(); +} + +void shmobile_smp_apmu_cpu_die(unsigned int cpu) +{ + /* For this particular CPU deregister boot vector */ + shmobile_smp_hook(cpu, 0, 0); + + /* Select next sleep mode using the APMU */ + apmu_wrap(cpu, apmu_power_off); + + /* Do ARM specific CPU shutdown */ + cpu_enter_lowpower_a15(); + + /* jump to shared mach-shmobile sleep / reset code */ + shmobile_smp_sleep(); +} + +int shmobile_smp_apmu_cpu_kill(unsigned int cpu) +{ + return apmu_wrap(cpu, apmu_power_off_poll); +} +#endif diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index c96f50160be..673ad6e8086 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -7,6 +7,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/cpu.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> @@ -16,6 +17,26 @@ #include <asm/smp_scu.h> #include <mach/common.h> +static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (long)hcpu; + + switch (action) { + case CPU_UP_PREPARE: + /* For this particular CPU register SCU SMP boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), + (unsigned long)shmobile_scu_base); + break; + }; + + return NOTIFY_OK; +} + +static struct notifier_block shmobile_smp_scu_notifier = { + .notifier_call = shmobile_smp_scu_notifier_call, +}; + void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) { /* install boot code shared by all CPUs */ @@ -25,14 +46,9 @@ void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) /* enable SCU and cache coherency on booting CPU */ scu_enable(shmobile_scu_base); scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); -} -int shmobile_smp_scu_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - /* For this particular CPU register SCU boot vector */ - shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), - (unsigned long)shmobile_scu_base); - return 0; + /* Use CPU notifier for reset vector control */ + register_cpu_notifier(&shmobile_smp_scu_notifier); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index d4ae616bced..9ebc246b8d7 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -11,25 +11,10 @@ * published by the Free Software Foundation. */ #include <linux/init.h> -#include <linux/smp.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> #include <mach/common.h> -void __init shmobile_smp_init_cpus(unsigned int ncores) -{ - unsigned int i; - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - extern unsigned long shmobile_smp_fn[]; extern unsigned long shmobile_smp_arg[]; extern unsigned long shmobile_smp_mpidr[]; @@ -44,3 +29,10 @@ void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg) shmobile_smp_arg[cpu] = arg; flush_cache_all(); } + +#ifdef CONFIG_HOTPLUG_CPU +int shmobile_smp_cpu_disable(unsigned int cpu) +{ + return 0; /* Hotplug of any CPU is supported */ +} +#endif diff --git a/arch/arm/mach-shmobile/setup-r7s72100.c b/arch/arm/mach-shmobile/setup-r7s72100.c new file mode 100644 index 00000000000..d4eb509a1c8 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r7s72100.c @@ -0,0 +1,88 @@ +/* + * r7s72100 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/serial_sci.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r7s72100.h> +#include <asm/mach/arch.h> + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + .type = PORT_SCIF, \ + .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE | \ + SCSCR_REIE, \ + .mapbase = baseaddr, \ + .irqs = { irq + 1, irq + 2, irq + 3, irq }, \ +} + +enum { SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIF_DATA(SCIF0, 0xe8007000, gic_iid(221)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe8007800, gic_iid(225)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe8008000, gic_iid(229)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe8008800, gic_iid(233)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe8009000, gic_iid(237)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe8009800, gic_iid(241)), /* SCIF5 */ + SCIF_DATA(SCIF6, 0xe800a000, gic_iid(245)), /* SCIF6 */ + SCIF_DATA(SCIF7, 0xe800a800, gic_iid(249)), /* SCIF7 */ +}; + +static inline void r7s72100_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +void __init r7s72100_add_dt_devices(void) +{ + r7s72100_register_scif(SCIF0); + r7s72100_register_scif(SCIF1); + r7s72100_register_scif(SCIF2); + r7s72100_register_scif(SCIF3); + r7s72100_register_scif(SCIF4); + r7s72100_register_scif(SCIF5); + r7s72100_register_scif(SCIF6); + r7s72100_register_scif(SCIF7); +} + +void __init r7s72100_init_early(void) +{ + shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */ +} + +#ifdef CONFIG_USE_OF +static const char *r7s72100_boards_compat_dt[] __initdata = { + "renesas,r7s72100", + NULL, +}; + +DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)") + .init_early = r7s72100_init_early, + .dt_compat = r7s72100_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 89491700afb..b0f2749071b 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -22,8 +22,10 @@ #include <linux/of_platform.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> #include <mach/common.h> +#include <mach/dma-register.h> #include <mach/irqs.h> #include <mach/r8a73a4.h> #include <asm/mach/arch.h> @@ -199,15 +201,104 @@ void __init r8a73a4_add_dt_devices(void) r8a7790_register_cmt(10); } +/* DMA */ +static const struct sh_dmae_slave_config dma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_MMCIF0_TX, + .addr = 0xee200034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF0_RX, + .addr = 0xee200034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_TX, + .addr = 0xee220034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xe1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_RX, + .addr = 0xee220034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xe2, + }, +}; + +#define DMAE_CHANNEL(a, b) \ + { \ + .offset = (a) - 0x20, \ + .dmars = (a) - 0x20 + 0x40, \ + .chclr_bit = (b), \ + .chclr_offset = 0x80 - 0x20, \ + } + +static const struct sh_dmae_channel dma_channels[] = { + DMAE_CHANNEL(0x8000, 0), + DMAE_CHANNEL(0x8080, 1), + DMAE_CHANNEL(0x8100, 2), + DMAE_CHANNEL(0x8180, 3), + DMAE_CHANNEL(0x8200, 4), + DMAE_CHANNEL(0x8280, 5), + DMAE_CHANNEL(0x8300, 6), + DMAE_CHANNEL(0x8380, 7), + DMAE_CHANNEL(0x8400, 8), + DMAE_CHANNEL(0x8480, 9), + DMAE_CHANNEL(0x8500, 10), + DMAE_CHANNEL(0x8580, 11), + DMAE_CHANNEL(0x8600, 12), + DMAE_CHANNEL(0x8680, 13), + DMAE_CHANNEL(0x8700, 14), + DMAE_CHANNEL(0x8780, 15), + DMAE_CHANNEL(0x8800, 16), + DMAE_CHANNEL(0x8880, 17), + DMAE_CHANNEL(0x8900, 18), + DMAE_CHANNEL(0x8980, 19), +}; + +static const struct sh_dmae_pdata dma_pdata = { + .slave = dma_slaves, + .slave_num = ARRAY_SIZE(dma_slaves), + .channel = dma_channels, + .channel_num = ARRAY_SIZE(dma_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, + .chclr_bitwise = 1, +}; + +static struct resource dma_resources[] = { + DEFINE_RES_MEM(0xe6700020, 0x89e0), + DEFINE_RES_IRQ_NAMED(gic_spi(220), "error_irq"), + { + /* IRQ for channels 0-19 */ + .start = gic_spi(200), + .end = gic_spi(219), + .flags = IORESOURCE_IRQ, + }, +}; + +#define r8a73a4_register_dmac() \ + platform_device_register_resndata(&platform_bus, "sh-dma-engine", 0, \ + dma_resources, ARRAY_SIZE(dma_resources), \ + &dma_pdata, sizeof(dma_pdata)) + void __init r8a73a4_add_standard_devices(void) { r8a73a4_add_dt_devices(); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); + r8a73a4_register_dmac(); } -void __init r8a73a4_init_delay(void) +void __init r8a73a4_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1500, 2, 4); /* Cortex-A15 @ 1500MHz */ @@ -222,7 +313,7 @@ static const char *r8a73a4_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .dt_compat = r8a73a4_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 6a2657ebd19..16d49aa8b5d 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -95,29 +96,46 @@ static struct sh_timer_config sh_tmu1_platform_data __initdata = { &sh_tmu##idx##_platform_data, \ sizeof(sh_tmu##idx##_platform_data)) -/* USB */ -static struct usb_phy *phy; +int r8a7778_usb_phy_power(bool enable) +{ + static struct usb_phy *phy = NULL; + int ret = 0; + + if (!phy) + phy = usb_get_phy(USB_PHY_TYPE_USB2); + + if (IS_ERR(phy)) { + pr_err("kernel doesn't have usb phy driver\n"); + return PTR_ERR(phy); + } + + if (enable) + ret = usb_phy_init(phy); + else + usb_phy_shutdown(phy); + return ret; +} + +/* USB */ static int usb_power_on(struct platform_device *pdev) { - if (IS_ERR(phy)) - return PTR_ERR(phy); + int ret = r8a7778_usb_phy_power(true); + + if (ret) + return ret; pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - usb_phy_init(phy); - return 0; } static void usb_power_off(struct platform_device *pdev) { - if (IS_ERR(phy)) + if (r8a7778_usb_phy_power(false)) return; - usb_phy_shutdown(phy); - pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -339,6 +357,88 @@ void __init r8a7778_add_dt_devices(void) r8a7778_register_tmu(1); } +/* HPB-DMA */ + +/* Asynchronous mode register (ASYNCMDR) bits */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 39, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x7b), 5, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7778_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + void __init r8a7778_add_standard_devices(void) { r8a7778_add_dt_devices(); @@ -349,12 +449,12 @@ void __init r8a7778_add_standard_devices(void) r8a7778_register_hspi(0); r8a7778_register_hspi(1); r8a7778_register_hspi(2); + + r8a7778_register_hpb_dmae(); } void __init r8a7778_init_late(void) { - phy = usb_get_phy(USB_PHY_TYPE_USB2); - platform_device_register_full(&ehci_info); platform_device_register_full(&ohci_info); } @@ -376,7 +476,7 @@ static struct resource irqpin_resources[] __initdata = { DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */ }; -void __init r8a7778_init_irq_extpin(int irlm) +void __init r8a7778_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); unsigned long tmp; @@ -394,7 +494,11 @@ void __init r8a7778_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7778_init_irq_extpin(int irlm) +{ + r8a7778_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index ecd0148ee1e..13049e9d691 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -25,6 +25,7 @@ #include <linux/irqchip.h> #include <linux/irqchip/arm-gic.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -97,7 +98,7 @@ static struct resource irqpin0_resources[] __initdata = { DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ }; -void __init r8a7779_init_irq_extpin(int irlm) +void __init r8a7779_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); u32 tmp; @@ -115,7 +116,11 @@ void __init r8a7779_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7779_init_irq_extpin(int irlm) +{ + r8a7779_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, @@ -632,6 +637,158 @@ static struct platform_device_info *vin_info_table[] __initdata = { &vin3_info, }; +/* HPB-DMA */ + +/* Asynchronous mode register bits */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MASK BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_SINGLE BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MULTI 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_MASK BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_BURST BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_NBURST 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MASK BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_SINGLE BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MULTI 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_MASK BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_BURST BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_NBURST 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MASK BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_SINGLE BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_MASK BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_BURST BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MASK BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_SINGLE BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_MASK BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_BURST BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MASK BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_SINGLE BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_MASK BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_BURST BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MASK BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_SINGLE BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_MASK BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_BURST BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MASK BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_SINGLE BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_MASK BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_BURST BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MASK BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_SINGLE BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_MASK BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_BURST BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MASK BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_SINGLE BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_MASK BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_BURST BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_MASK BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_BURST BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_BURST BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MASK BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_SINGLE BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MULTI 0 /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_MASK BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_BURST BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_NBURST 0 /* SDHI1 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 44, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x8e), 12, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7779_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + static struct platform_device *r8a7779_devices_dt[] __initdata = { &scif0_device, &scif1_device, @@ -665,6 +822,7 @@ void __init r8a7779_add_standard_devices(void) ARRAY_SIZE(r8a7779_devices_dt)); platform_add_devices(r8a7779_standard_devices, ARRAY_SIZE(r8a7779_standard_devices)); + r8a7779_register_hpb_dmae(); } void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata) diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index d0f5c9f9349..c47bcebbcb0 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -18,7 +18,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/clocksource.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/of_platform.h> @@ -31,17 +30,18 @@ #include <mach/r8a7790.h> #include <asm/mach/arch.h> -static struct resource pfc_resources[] __initdata = { +static const struct resource pfc_resources[] __initconst = { DEFINE_RES_MEM(0xe6060000, 0x250), }; #define R8A7790_GPIO(idx) \ -static struct resource r8a7790_gpio##idx##_resources[] __initdata = { \ +static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \ DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \ DEFINE_RES_IRQ(gic_spi(4 + (idx))), \ }; \ \ -static struct gpio_rcar_config r8a7790_gpio##idx##_platform_data __initdata = { \ +static const struct gpio_rcar_config \ +r8a7790_gpio##idx##_platform_data __initconst = { \ .gpio_base = 32 * (idx), \ .irq_base = 0, \ .number_of_pins = 32, \ @@ -112,7 +112,7 @@ void __init r8a7790_pinmux_init(void) enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, HSCIF0, HSCIF1 }; -static struct plat_sci_port scif[] __initdata = { +static const struct plat_sci_port scif[] __initconst = { SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ @@ -131,11 +131,11 @@ static inline void r8a7790_register_scif(int idx) sizeof(struct plat_sci_port)); } -static struct renesas_irqc_config irqc0_data __initdata = { +static const struct renesas_irqc_config irqc0_data __initconst = { .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ }; -static struct resource irqc0_resources[] __initdata = { +static const struct resource irqc0_resources[] __initconst = { DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ @@ -150,7 +150,7 @@ static struct resource irqc0_resources[] __initdata = { &irqc##idx##_data, \ sizeof(struct renesas_irqc_config)) -static struct resource thermal_resources[] __initdata = { +static const struct resource thermal_resources[] __initconst = { DEFINE_RES_MEM(0xe61f0000, 0x14), DEFINE_RES_MEM(0xe61f0100, 0x38), DEFINE_RES_IRQ(gic_spi(69)), @@ -161,13 +161,13 @@ static struct resource thermal_resources[] __initdata = { thermal_resources, \ ARRAY_SIZE(thermal_resources)) -static struct sh_timer_config cmt00_platform_data __initdata = { +static const struct sh_timer_config cmt00_platform_data __initconst = { .name = "CMT00", .timer_bit = 0, .clockevent_rating = 80, }; -static struct resource cmt00_resources[] __initdata = { +static const struct resource cmt00_resources[] __initconst = { DEFINE_RES_MEM(0xffca0510, 0x0c), DEFINE_RES_MEM(0xffca0500, 0x04), DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ @@ -202,72 +202,7 @@ void __init r8a7790_add_standard_devices(void) r8a7790_register_thermal(); } -#define MODEMR 0xe6160060 - -u32 __init r8a7790_read_mode_pins(void) -{ - void __iomem *modemr = ioremap_nocache(MODEMR, 4); - u32 mode; - - BUG_ON(!modemr); - mode = ioread32(modemr); - iounmap(modemr); - - return mode; -} - -#define CNTCR 0 -#define CNTFID0 0x20 - -void __init r8a7790_timer_init(void) -{ -#ifdef CONFIG_ARM_ARCH_TIMER - u32 mode = r8a7790_read_mode_pins(); - void __iomem *base; - int extal_mhz = 0; - u32 freq; - - /* At Linux boot time the r8a7790 arch timer comes up - * with the counter disabled. Moreover, it may also report - * a potentially incorrect fixed 13 MHz frequency. To be - * correct these registers need to be updated to use the - * frequency EXTAL / 2 which can be determined by the MD pins. - */ - - switch (mode & (MD(14) | MD(13))) { - case 0: - extal_mhz = 15; - break; - case MD(13): - extal_mhz = 20; - break; - case MD(14): - extal_mhz = 26; - break; - case MD(13) | MD(14): - extal_mhz = 30; - break; - } - - /* The arch timer frequency equals EXTAL / 2 */ - freq = extal_mhz * (1000000 / 2); - - /* Remap "armgcnt address map" space */ - base = ioremap(0xe6080000, PAGE_SIZE); - - /* Update registers with correct frequency */ - iowrite32(freq, base + CNTFID0); - asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); - - /* make sure arch timer is started by setting bit 0 of CNTCR */ - iowrite32(1, base + CNTCR); - iounmap(base); -#endif /* CONFIG_ARM_ARCH_TIMER */ - - clocksource_of_init(); -} - -void __init r8a7790_init_delay(void) +void __init r8a7790_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ @@ -276,14 +211,15 @@ void __init r8a7790_init_delay(void) #ifdef CONFIG_USE_OF -static const char *r8a7790_boards_compat_dt[] __initdata = { +static const char * const r8a7790_boards_compat_dt[] __initconst = { "renesas,r8a7790", NULL, }; DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .dt_compat = r8a7790_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7791.c b/arch/arm/mach-shmobile/setup-r8a7791.c new file mode 100644 index 00000000000..d9393d61ee2 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7791.c @@ -0,0 +1,184 @@ +/* + * r8a7791 processor support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/platform_data/irq-renesas-irqc.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a7791.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define HSCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_HSCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_6, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, + SCIF2, SCIF3, SCIF4, SCIF5, SCIFA3, SCIFA4, SCIFA5 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ + SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ + SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFA_DATA(SCIFA2, 0xe6c60000, gic_spi(151)), /* SCIFA2 */ + SCIF_DATA(SCIF0, 0xe6e60000, gic_spi(152)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe6e68000, gic_spi(153)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe6e58000, gic_spi(22)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe6ea8000, gic_spi(23)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe6ee0000, gic_spi(24)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe6ee8000, gic_spi(25)), /* SCIF5 */ + SCIFA_DATA(SCIFA3, 0xe6c70000, gic_spi(29)), /* SCIFA3 */ + SCIFA_DATA(SCIFA4, 0xe6c78000, gic_spi(30)), /* SCIFA4 */ + SCIFA_DATA(SCIFA5, 0xe6c80000, gic_spi(31)), /* SCIFA5 */ +}; + +static inline void r8a7791_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +static const struct sh_timer_config cmt00_platform_data __initconst = { + .name = "CMT00", + .timer_bit = 0, + .clockevent_rating = 80, +}; + +static const struct resource cmt00_resources[] __initconst = { + DEFINE_RES_MEM(0xffca0510, 0x0c), + DEFINE_RES_MEM(0xffca0500, 0x04), + DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ +}; + +#define r8a7791_register_cmt(idx) \ + platform_device_register_resndata(&platform_bus, "sh_cmt", \ + idx, cmt##idx##_resources, \ + ARRAY_SIZE(cmt##idx##_resources), \ + &cmt##idx##_platform_data, \ + sizeof(struct sh_timer_config)) + +static struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ9 */ +}; + +static struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ7 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ9 */ +}; + +#define r8a7791_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +void __init r8a7791_add_dt_devices(void) +{ + r8a7791_register_scif(SCIFA0); + r8a7791_register_scif(SCIFA1); + r8a7791_register_scif(SCIFB0); + r8a7791_register_scif(SCIFB1); + r8a7791_register_scif(SCIFB2); + r8a7791_register_scif(SCIFA2); + r8a7791_register_scif(SCIF0); + r8a7791_register_scif(SCIF1); + r8a7791_register_scif(SCIF2); + r8a7791_register_scif(SCIF3); + r8a7791_register_scif(SCIF4); + r8a7791_register_scif(SCIF5); + r8a7791_register_scif(SCIFA3); + r8a7791_register_scif(SCIFA4); + r8a7791_register_scif(SCIFA5); + r8a7791_register_cmt(00); +} + +void __init r8a7791_add_standard_devices(void) +{ + r8a7791_add_dt_devices(); + r8a7791_register_irqc(0); +} + +void __init r8a7791_init_early(void) +{ +#ifndef CONFIG_ARM_ARCH_TIMER + shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ +#endif +} + +#ifdef CONFIG_USE_OF +static const char *r8a7791_boards_compat_dt[] __initdata = { + "renesas,r8a7791", + NULL, +}; + +DT_MACHINE_START(R8A7791_DT, "Generic R8A7791 (Flattened Device Tree)") + .smp = smp_ops(r8a7791_smp_ops), + .init_early = r8a7791_init_early, + .init_time = rcar_gen2_timer_init, + .dt_compat = r8a7791_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c new file mode 100644 index 00000000000..5734c24bf6c --- /dev/null +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c @@ -0,0 +1,91 @@ +/* + * R-Car Generation 2 support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/clocksource.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <mach/common.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define MODEMR 0xe6160060 + +u32 __init rcar_gen2_read_mode_pins(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, 4); + u32 mode; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + return mode; +} + +#define CNTCR 0 +#define CNTFID0 0x20 + +void __init rcar_gen2_timer_init(void) +{ +#ifdef CONFIG_ARM_ARCH_TIMER + u32 mode = rcar_gen2_read_mode_pins(); + void __iomem *base; + int extal_mhz = 0; + u32 freq; + + /* At Linux boot time the r8a7790 arch timer comes up + * with the counter disabled. Moreover, it may also report + * a potentially incorrect fixed 13 MHz frequency. To be + * correct these registers need to be updated to use the + * frequency EXTAL / 2 which can be determined by the MD pins. + */ + + switch (mode & (MD(14) | MD(13))) { + case 0: + extal_mhz = 15; + break; + case MD(13): + extal_mhz = 20; + break; + case MD(14): + extal_mhz = 26; + break; + case MD(13) | MD(14): + extal_mhz = 30; + break; + } + + /* The arch timer frequency equals EXTAL / 2 */ + freq = extal_mhz * (1000000 / 2); + + /* Remap "armgcnt address map" space */ + base = ioremap(0xe6080000, PAGE_SIZE); + + /* Update registers with correct frequency */ + iowrite32(freq, base + CNTFID0); + asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); + + /* make sure arch timer is started by setting bit 0 of CNTCR */ + iowrite32(1, base + CNTCR); + iounmap(base); +#endif /* CONFIG_ARM_ARCH_TIMER */ + + clocksource_of_init(); +} diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 522de5ebb55..f2ca92308f7 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -34,12 +34,6 @@ static int emev2_boot_secondary(unsigned int cpu, struct task_struct *idle) { - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - arch_send_wakeup_ipi_mask(cpumask_of(cpu_logical_map(cpu))); return 0; } diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index 0f05e9fb722..627c1f0d947 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -87,10 +87,6 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle) unsigned int lcpu = cpu_logical_map(cpu); int ret; - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - if (lcpu < ARRAY_SIZE(r8a7779_ch_cpu)) ch = r8a7779_ch_cpu[lcpu]; diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c new file mode 100644 index 00000000000..015e2753de1 --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7790.c @@ -0,0 +1,67 @@ +/* + * SMP support for r8a7790 + * + * Copyright (C) 2012-2013 Renesas Solutions Corp. + * Copyright (C) 2012 Takashi Yoshii <takashi.yoshii.ze@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA7BAR 0x0030 +#define CA15RESCNT 0x0040 +#define CA7RESCNT 0x0044 +#define MERAM 0xe8080000 + +static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* MERAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(MERAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (MERAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar, p + CA7BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA7BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000, + p + CA7RESCNT); + iounmap(p); +} + +struct smp_operations r8a7790_smp_ops __initdata = { + .smp_prepare_cpus = r8a7790_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-r8a7791.c b/arch/arm/mach-shmobile/smp-r8a7791.c new file mode 100644 index 00000000000..2df5bd190fe --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7791.c @@ -0,0 +1,62 @@ +/* + * SMP support for r8a7791 + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> +#include <mach/r8a7791.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA15RESCNT 0x0040 +#define RAM 0xe6300000 + +static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* RAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(RAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (RAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + iounmap(p); +} + +struct smp_operations r8a7791_smp_ops __initdata = { + .smp_prepare_cpus = r8a7791_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 0baa2444379..13ba36a6831 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -46,11 +46,6 @@ void __init sh73a0_register_twd(void) static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned int lcpu = cpu_logical_map(cpu); - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; if (((__raw_readl(PSTR) >> (4 * lcpu)) & 3) == 3) __raw_writel(1 << lcpu, WUPCR); /* wake up */ @@ -71,18 +66,11 @@ static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) shmobile_smp_scu_prepare_cpus(max_cpus); } -#ifdef CONFIG_HOTPLUG_CPU -static int sh73a0_cpu_disable(unsigned int cpu) -{ - return 0; /* CPU0 and CPU1 supported */ -} -#endif /* CONFIG_HOTPLUG_CPU */ - struct smp_operations sh73a0_smp_ops __initdata = { .smp_prepare_cpus = sh73a0_smp_prepare_cpus, .smp_boot_secondary = sh73a0_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU - .cpu_disable = sh73a0_cpu_disable, + .cpu_disable = shmobile_smp_cpu_disable, .cpu_die = shmobile_smp_scu_cpu_die, .cpu_kill = shmobile_smp_scu_cpu_kill, #endif diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 3ab2f65f8a5..c9e72c89066 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,14 +1,14 @@ config ARCH_SUNXI bool "Allwinner A1X SOCs" if ARCH_MULTI_V7 select ARCH_REQUIRE_GPIOLIB + select ARM_GIC select CLKSRC_MMIO select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS select GENERIC_IRQ_CHIP + select HAVE_SMP select PINCTRL + select PINCTRL_SUNXI select SPARSE_IRQ select SUN4I_TIMER - select PINCTRL_SUNXI - select ARM_GIC - select HAVE_SMP diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 90dda622851..61d3a387f01 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -90,14 +90,13 @@ static void sun6i_restart(enum reboot_mode mode, const char *cmd) } static struct of_device_id sunxi_restart_ids[] = { - { .compatible = "allwinner,sun4i-wdt", .data = sun4i_restart }, - { .compatible = "allwinner,sun6i-wdt", .data = sun6i_restart }, + { .compatible = "allwinner,sun4i-wdt" }, + { .compatible = "allwinner,sun6i-wdt" }, { /*sentinel*/ } }; static void sunxi_setup_restart(void) { - const struct of_device_id *of_id; struct device_node *np; np = of_find_matching_node(NULL, sunxi_restart_ids); @@ -106,11 +105,6 @@ static void sunxi_setup_restart(void) wdt_base = of_iomap(np, 0); WARN(!wdt_base, "failed to map watchdog base address"); - - of_id = of_match_node(sunxi_restart_ids, np); - WARN(!of_id, "restart function not available"); - - arm_pm_restart = of_id->data; } static void __init sunxi_dt_init(void) @@ -124,12 +118,33 @@ static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", "allwinner,sun5i-a10s", "allwinner,sun5i-a13", - "allwinner,sun6i-a31", - "allwinner,sun7i-a20", NULL, }; DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") .init_machine = sunxi_dt_init, .dt_compat = sunxi_board_dt_compat, + .restart = sun4i_restart, +MACHINE_END + +static const char * const sun6i_board_dt_compat[] = { + "allwinner,sun6i-a31", + NULL, +}; + +DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") + .init_machine = sunxi_dt_init, + .dt_compat = sun6i_board_dt_compat, + .restart = sun6i_restart, +MACHINE_END + +static const char * const sun7i_board_dt_compat[] = { + "allwinner,sun7i-a20", + NULL, +}; + +DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") + .init_machine = sunxi_dt_init, + .dt_compat = sun7i_board_dt_compat, + .restart = sun4i_restart, MACHINE_END diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 67a76f2dfb9..a5e6556f87b 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -53,14 +53,22 @@ config ARCH_TEGRA_3x_SOC config ARCH_TEGRA_114_SOC bool "Enable support for Tegra114 family" - select HAVE_ARM_ARCH_TIMER select ARM_ERRATA_798181 select ARM_L1_CACHE_SHIFT_6 + select HAVE_ARM_ARCH_TIMER select PINCTRL_TEGRA114 help Support for NVIDIA Tegra T114 processor family, based on the ARM CortexA15MP CPU +config ARCH_TEGRA_124_SOC + bool "Enable support for Tegra124 family" + select ARM_L1_CACHE_SHIFT_6 + select HAVE_ARM_ARCH_TIMER + help + Support for NVIDIA Tegra T124 processor family, based on the + ARM CortexA15MP CPU + config TEGRA_AHB bool "Enable AHB driver for NVIDIA Tegra SoCs" default y diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index e7e5f45c655..019bb175866 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -1,6 +1,5 @@ asflags-y += -march=armv7-a -obj-y += common.o obj-y += io.o obj-y += irq.o obj-y += fuse.o @@ -36,5 +35,10 @@ obj-$(CONFIG_ARCH_TEGRA_114_SOC) += pm-tegra30.o ifeq ($(CONFIG_CPU_IDLE),y) obj-$(CONFIG_ARCH_TEGRA_114_SOC) += cpuidle-tegra114.o endif +obj-$(CONFIG_ARCH_TEGRA_124_SOC) += sleep-tegra30.o +obj-$(CONFIG_ARCH_TEGRA_124_SOC) += pm-tegra30.o +ifeq ($(CONFIG_CPU_IDLE),y) +obj-$(CONFIG_ARCH_TEGRA_124_SOC) += cpuidle-tegra114.o +endif obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += board-paz00.o diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c index 740e16f6472..06f024070da 100644 --- a/arch/arm/mach-tegra/board-paz00.c +++ b/arch/arm/mach-tegra/board-paz00.c @@ -20,12 +20,11 @@ #include <linux/platform_device.h> #include <linux/rfkill-gpio.h> #include "board.h" -#include "board-paz00.h" static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = { .name = "wifi_rfkill", - .reset_gpio = TEGRA_WIFI_RST, - .shutdown_gpio = TEGRA_WIFI_PWRN, + .reset_gpio = 25, /* PD1 */ + .shutdown_gpio = 85, /* PK5 */ .type = RFKILL_TYPE_WLAN, }; diff --git a/arch/arm/mach-tegra/board-paz00.h b/arch/arm/mach-tegra/board-paz00.h deleted file mode 100644 index 25c08ecef52..00000000000 --- a/arch/arm/mach-tegra/board-paz00.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * arch/arm/mach-tegra/board-paz00.h - * - * Copyright (C) 2010 Marc Dietrich <marvin24@gmx.de> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef _MACH_TEGRA_BOARD_PAZ00_H -#define _MACH_TEGRA_BOARD_PAZ00_H - -#include "gpio-names.h" - -#define TEGRA_WIFI_PWRN TEGRA_GPIO_PK5 -#define TEGRA_WIFI_RST TEGRA_GPIO_PD1 - -#endif diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h index db6810dc0b3..bcf5dbf69d5 100644 --- a/arch/arm/mach-tegra/board.h +++ b/arch/arm/mach-tegra/board.h @@ -25,20 +25,8 @@ #include <linux/types.h> #include <linux/reboot.h> -void tegra_assert_system_reset(enum reboot_mode mode, const char *cmd); - -void __init tegra_init_early(void); void __init tegra_map_common_io(void); void __init tegra_init_irq(void); -void __init tegra_dt_init_irq(void); - -void tegra_init_late(void); - -#ifdef CONFIG_DEBUG_FS -int tegra_clk_debugfs_init(void); -#else -static inline int tegra_clk_debugfs_init(void) { return 0; } -#endif int __init tegra_powergate_init(void); #if defined(CONFIG_ARCH_TEGRA_2x_SOC) && defined(CONFIG_DEBUG_FS) diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c deleted file mode 100644 index 58dc91c56cc..00000000000 --- a/arch/arm/mach-tegra/common.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * arch/arm/mach-tegra/common.c - * - * Copyright (c) 2013 NVIDIA Corporation. All rights reserved. - * Copyright (C) 2010 Google, Inc. - * - * Author: - * Colin Cross <ccross@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/init.h> -#include <linux/io.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/irqchip.h> - -#include <asm/hardware/cache-l2x0.h> - -#include "board.h" -#include "common.h" -#include "cpuidle.h" -#include "fuse.h" -#include "iomap.h" -#include "irq.h" -#include "pmc.h" -#include "apbio.h" -#include "sleep.h" -#include "pm.h" -#include "reset.h" - -/* - * Storage for debug-macro.S's state. - * - * This must be in .data not .bss so that it gets initialized each time the - * kernel is loaded. The data is declared here rather than debug-macro.S so - * that multiple inclusions of debug-macro.S point at the same data. - */ -u32 tegra_uart_config[4] = { - /* Debug UART initialization required */ - 1, - /* Debug UART physical address */ - 0, - /* Debug UART virtual address */ - 0, - /* Scratch space for debug macro */ - 0, -}; - -#ifdef CONFIG_OF -void __init tegra_dt_init_irq(void) -{ - tegra_pmc_init_irq(); - tegra_init_irq(); - irqchip_init(); - tegra_legacy_irq_syscore_init(); -} -#endif - -void tegra_assert_system_reset(enum reboot_mode mode, const char *cmd) -{ - void __iomem *reset = IO_ADDRESS(TEGRA_PMC_BASE + 0); - u32 reg; - - reg = readl_relaxed(reset); - reg |= 0x10; - writel_relaxed(reg, reset); -} - -static void __init tegra_init_cache(void) -{ -#ifdef CONFIG_CACHE_L2X0 - int ret; - void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; - u32 aux_ctrl, cache_type; - - cache_type = readl(p + L2X0_CACHE_TYPE); - aux_ctrl = (cache_type & 0x700) << (17-8); - aux_ctrl |= 0x7C400001; - - ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); - if (!ret) - l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); -#endif - -} - -void __init tegra_init_early(void) -{ - tegra_cpu_reset_handler_init(); - tegra_apb_io_init(); - tegra_init_fuse(); - tegra_init_cache(); - tegra_powergate_init(); - tegra_hotplug_init(); -} - -void __init tegra_init_late(void) -{ - tegra_init_suspend(); - tegra_cpuidle_init(); - tegra_powergate_debugfs_init(); -} diff --git a/arch/arm/mach-tegra/cpuidle.c b/arch/arm/mach-tegra/cpuidle.c index 0961dfcf83a..7bc5d8d667f 100644 --- a/arch/arm/mach-tegra/cpuidle.c +++ b/arch/arm/mach-tegra/cpuidle.c @@ -39,7 +39,9 @@ void __init tegra_cpuidle_init(void) tegra30_cpuidle_init(); break; case TEGRA114: - if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + case TEGRA124: + if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra114_cpuidle_init(); break; } diff --git a/arch/arm/mach-tegra/flowctrl.c b/arch/arm/mach-tegra/flowctrl.c index 5348543382b..ce8ab8abf06 100644 --- a/arch/arm/mach-tegra/flowctrl.c +++ b/arch/arm/mach-tegra/flowctrl.c @@ -87,6 +87,7 @@ void flowctrl_cpu_suspend_enter(unsigned int cpuid) break; case TEGRA30: case TEGRA114: + case TEGRA124: /* clear wfe bitmap */ reg &= ~TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP; /* clear wfi bitmap */ @@ -125,6 +126,7 @@ void flowctrl_cpu_suspend_exit(unsigned int cpuid) break; case TEGRA30: case TEGRA114: + case TEGRA124: /* clear wfe bitmap */ reg &= ~TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP; /* clear wfi bitmap */ diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c index e035cd284a6..d4639c50662 100644 --- a/arch/arm/mach-tegra/fuse.c +++ b/arch/arm/mach-tegra/fuse.c @@ -21,14 +21,26 @@ #include <linux/kernel.h> #include <linux/io.h> #include <linux/export.h> +#include <linux/random.h> #include <linux/tegra-soc.h> #include "fuse.h" #include "iomap.h" #include "apbio.h" +/* Tegra20 only */ #define FUSE_UID_LOW 0x108 #define FUSE_UID_HIGH 0x10c + +/* Tegra30 and later */ +#define FUSE_VENDOR_CODE 0x200 +#define FUSE_FAB_CODE 0x204 +#define FUSE_LOT_CODE_0 0x208 +#define FUSE_LOT_CODE_1 0x20c +#define FUSE_WAFER_ID 0x210 +#define FUSE_X_COORDINATE 0x214 +#define FUSE_Y_COORDINATE 0x218 + #define FUSE_SKU_INFO 0x110 #define TEGRA20_FUSE_SPARE_BIT 0x200 @@ -112,21 +124,51 @@ u32 tegra_read_chipid(void) return readl_relaxed(IO_ADDRESS(TEGRA_APB_MISC_BASE) + 0x804); } -void tegra_init_fuse(void) +static void __init tegra20_fuse_init_randomness(void) +{ + u32 randomness[2]; + + randomness[0] = tegra_fuse_readl(FUSE_UID_LOW); + randomness[1] = tegra_fuse_readl(FUSE_UID_HIGH); + + add_device_randomness(randomness, sizeof(randomness)); +} + +/* Applies to Tegra30 or later */ +static void __init tegra30_fuse_init_randomness(void) +{ + u32 randomness[7]; + + randomness[0] = tegra_fuse_readl(FUSE_VENDOR_CODE); + randomness[1] = tegra_fuse_readl(FUSE_FAB_CODE); + randomness[2] = tegra_fuse_readl(FUSE_LOT_CODE_0); + randomness[3] = tegra_fuse_readl(FUSE_LOT_CODE_1); + randomness[4] = tegra_fuse_readl(FUSE_WAFER_ID); + randomness[5] = tegra_fuse_readl(FUSE_X_COORDINATE); + randomness[6] = tegra_fuse_readl(FUSE_Y_COORDINATE); + + add_device_randomness(randomness, sizeof(randomness)); +} + +void __init tegra_init_fuse(void) { u32 id; + u32 randomness[5]; u32 reg = readl(IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x48)); reg |= 1 << 28; writel(reg, IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x48)); reg = tegra_fuse_readl(FUSE_SKU_INFO); + randomness[0] = reg; tegra_sku_id = reg & 0xFF; reg = tegra_apb_readl(TEGRA_APB_MISC_BASE + STRAP_OPT); + randomness[1] = reg; tegra_bct_strapping = (reg & RAM_ID_MASK) >> RAM_CODE_SHIFT; id = tegra_read_chipid(); + randomness[2] = id; tegra_chip_id = (id >> 8) & 0xff; switch (tegra_chip_id) { @@ -149,6 +191,18 @@ void tegra_init_fuse(void) tegra_revision = tegra_get_revision(id); tegra_init_speedo_data(); + randomness[3] = (tegra_cpu_process_id << 16) | tegra_core_process_id; + randomness[4] = (tegra_cpu_speedo_id << 16) | tegra_soc_speedo_id; + + add_device_randomness(randomness, sizeof(randomness)); + switch (tegra_chip_id) { + case TEGRA20: + tegra20_fuse_init_randomness(); + case TEGRA30: + case TEGRA114: + default: + tegra30_fuse_init_randomness(); + } pr_info("Tegra Revision: %s SKU: %d CPU Process: %d Core Process: %d\n", tegra_revision_name[tegra_revision], diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h index def79683bef..c01d04785d6 100644 --- a/arch/arm/mach-tegra/fuse.h +++ b/arch/arm/mach-tegra/fuse.h @@ -29,6 +29,7 @@ #define TEGRA20 0x20 #define TEGRA30 0x30 #define TEGRA114 0x35 +#define TEGRA124 0x40 #ifndef __ASSEMBLY__ enum tegra_revision { diff --git a/arch/arm/mach-tegra/gpio-names.h b/arch/arm/mach-tegra/gpio-names.h deleted file mode 100644 index f28220a641b..00000000000 --- a/arch/arm/mach-tegra/gpio-names.h +++ /dev/null @@ -1,247 +0,0 @@ -/* - * arch/arm/mach-tegra/include/mach/gpio-names.h - * - * Copyright (c) 2010 Google, Inc - * - * Author: - * Erik Gilling <konkers@google.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __MACH_TEGRA_GPIO_NAMES_H -#define __MACH_TEGRA_GPIO_NAMES_H - -#define TEGRA_GPIO_PA0 0 -#define TEGRA_GPIO_PA1 1 -#define TEGRA_GPIO_PA2 2 -#define TEGRA_GPIO_PA3 3 -#define TEGRA_GPIO_PA4 4 -#define TEGRA_GPIO_PA5 5 -#define TEGRA_GPIO_PA6 6 -#define TEGRA_GPIO_PA7 7 -#define TEGRA_GPIO_PB0 8 -#define TEGRA_GPIO_PB1 9 -#define TEGRA_GPIO_PB2 10 -#define TEGRA_GPIO_PB3 11 -#define TEGRA_GPIO_PB4 12 -#define TEGRA_GPIO_PB5 13 -#define TEGRA_GPIO_PB6 14 -#define TEGRA_GPIO_PB7 15 -#define TEGRA_GPIO_PC0 16 -#define TEGRA_GPIO_PC1 17 -#define TEGRA_GPIO_PC2 18 -#define TEGRA_GPIO_PC3 19 -#define TEGRA_GPIO_PC4 20 -#define TEGRA_GPIO_PC5 21 -#define TEGRA_GPIO_PC6 22 -#define TEGRA_GPIO_PC7 23 -#define TEGRA_GPIO_PD0 24 -#define TEGRA_GPIO_PD1 25 -#define TEGRA_GPIO_PD2 26 -#define TEGRA_GPIO_PD3 27 -#define TEGRA_GPIO_PD4 28 -#define TEGRA_GPIO_PD5 29 -#define TEGRA_GPIO_PD6 30 -#define TEGRA_GPIO_PD7 31 -#define TEGRA_GPIO_PE0 32 -#define TEGRA_GPIO_PE1 33 -#define TEGRA_GPIO_PE2 34 -#define TEGRA_GPIO_PE3 35 -#define TEGRA_GPIO_PE4 36 -#define TEGRA_GPIO_PE5 37 -#define TEGRA_GPIO_PE6 38 -#define TEGRA_GPIO_PE7 39 -#define TEGRA_GPIO_PF0 40 -#define TEGRA_GPIO_PF1 41 -#define TEGRA_GPIO_PF2 42 -#define TEGRA_GPIO_PF3 43 -#define TEGRA_GPIO_PF4 44 -#define TEGRA_GPIO_PF5 45 -#define TEGRA_GPIO_PF6 46 -#define TEGRA_GPIO_PF7 47 -#define TEGRA_GPIO_PG0 48 -#define TEGRA_GPIO_PG1 49 -#define TEGRA_GPIO_PG2 50 -#define TEGRA_GPIO_PG3 51 -#define TEGRA_GPIO_PG4 52 -#define TEGRA_GPIO_PG5 53 -#define TEGRA_GPIO_PG6 54 -#define TEGRA_GPIO_PG7 55 -#define TEGRA_GPIO_PH0 56 -#define TEGRA_GPIO_PH1 57 -#define TEGRA_GPIO_PH2 58 -#define TEGRA_GPIO_PH3 59 -#define TEGRA_GPIO_PH4 60 -#define TEGRA_GPIO_PH5 61 -#define TEGRA_GPIO_PH6 62 -#define TEGRA_GPIO_PH7 63 -#define TEGRA_GPIO_PI0 64 -#define TEGRA_GPIO_PI1 65 -#define TEGRA_GPIO_PI2 66 -#define TEGRA_GPIO_PI3 67 -#define TEGRA_GPIO_PI4 68 -#define TEGRA_GPIO_PI5 69 -#define TEGRA_GPIO_PI6 70 -#define TEGRA_GPIO_PI7 71 -#define TEGRA_GPIO_PJ0 72 -#define TEGRA_GPIO_PJ1 73 -#define TEGRA_GPIO_PJ2 74 -#define TEGRA_GPIO_PJ3 75 -#define TEGRA_GPIO_PJ4 76 -#define TEGRA_GPIO_PJ5 77 -#define TEGRA_GPIO_PJ6 78 -#define TEGRA_GPIO_PJ7 79 -#define TEGRA_GPIO_PK0 80 -#define TEGRA_GPIO_PK1 81 -#define TEGRA_GPIO_PK2 82 -#define TEGRA_GPIO_PK3 83 -#define TEGRA_GPIO_PK4 84 -#define TEGRA_GPIO_PK5 85 -#define TEGRA_GPIO_PK6 86 -#define TEGRA_GPIO_PK7 87 -#define TEGRA_GPIO_PL0 88 -#define TEGRA_GPIO_PL1 89 -#define TEGRA_GPIO_PL2 90 -#define TEGRA_GPIO_PL3 91 -#define TEGRA_GPIO_PL4 92 -#define TEGRA_GPIO_PL5 93 -#define TEGRA_GPIO_PL6 94 -#define TEGRA_GPIO_PL7 95 -#define TEGRA_GPIO_PM0 96 -#define TEGRA_GPIO_PM1 97 -#define TEGRA_GPIO_PM2 98 -#define TEGRA_GPIO_PM3 99 -#define TEGRA_GPIO_PM4 100 -#define TEGRA_GPIO_PM5 101 -#define TEGRA_GPIO_PM6 102 -#define TEGRA_GPIO_PM7 103 -#define TEGRA_GPIO_PN0 104 -#define TEGRA_GPIO_PN1 105 -#define TEGRA_GPIO_PN2 106 -#define TEGRA_GPIO_PN3 107 -#define TEGRA_GPIO_PN4 108 -#define TEGRA_GPIO_PN5 109 -#define TEGRA_GPIO_PN6 110 -#define TEGRA_GPIO_PN7 111 -#define TEGRA_GPIO_PO0 112 -#define TEGRA_GPIO_PO1 113 -#define TEGRA_GPIO_PO2 114 -#define TEGRA_GPIO_PO3 115 -#define TEGRA_GPIO_PO4 116 -#define TEGRA_GPIO_PO5 117 -#define TEGRA_GPIO_PO6 118 -#define TEGRA_GPIO_PO7 119 -#define TEGRA_GPIO_PP0 120 -#define TEGRA_GPIO_PP1 121 -#define TEGRA_GPIO_PP2 122 -#define TEGRA_GPIO_PP3 123 -#define TEGRA_GPIO_PP4 124 -#define TEGRA_GPIO_PP5 125 -#define TEGRA_GPIO_PP6 126 -#define TEGRA_GPIO_PP7 127 -#define TEGRA_GPIO_PQ0 128 -#define TEGRA_GPIO_PQ1 129 -#define TEGRA_GPIO_PQ2 130 -#define TEGRA_GPIO_PQ3 131 -#define TEGRA_GPIO_PQ4 132 -#define TEGRA_GPIO_PQ5 133 -#define TEGRA_GPIO_PQ6 134 -#define TEGRA_GPIO_PQ7 135 -#define TEGRA_GPIO_PR0 136 -#define TEGRA_GPIO_PR1 137 -#define TEGRA_GPIO_PR2 138 -#define TEGRA_GPIO_PR3 139 -#define TEGRA_GPIO_PR4 140 -#define TEGRA_GPIO_PR5 141 -#define TEGRA_GPIO_PR6 142 -#define TEGRA_GPIO_PR7 143 -#define TEGRA_GPIO_PS0 144 -#define TEGRA_GPIO_PS1 145 -#define TEGRA_GPIO_PS2 146 -#define TEGRA_GPIO_PS3 147 -#define TEGRA_GPIO_PS4 148 -#define TEGRA_GPIO_PS5 149 -#define TEGRA_GPIO_PS6 150 -#define TEGRA_GPIO_PS7 151 -#define TEGRA_GPIO_PT0 152 -#define TEGRA_GPIO_PT1 153 -#define TEGRA_GPIO_PT2 154 -#define TEGRA_GPIO_PT3 155 -#define TEGRA_GPIO_PT4 156 -#define TEGRA_GPIO_PT5 157 -#define TEGRA_GPIO_PT6 158 -#define TEGRA_GPIO_PT7 159 -#define TEGRA_GPIO_PU0 160 -#define TEGRA_GPIO_PU1 161 -#define TEGRA_GPIO_PU2 162 -#define TEGRA_GPIO_PU3 163 -#define TEGRA_GPIO_PU4 164 -#define TEGRA_GPIO_PU5 165 -#define TEGRA_GPIO_PU6 166 -#define TEGRA_GPIO_PU7 167 -#define TEGRA_GPIO_PV0 168 -#define TEGRA_GPIO_PV1 169 -#define TEGRA_GPIO_PV2 170 -#define TEGRA_GPIO_PV3 171 -#define TEGRA_GPIO_PV4 172 -#define TEGRA_GPIO_PV5 173 -#define TEGRA_GPIO_PV6 174 -#define TEGRA_GPIO_PV7 175 -#define TEGRA_GPIO_PW0 176 -#define TEGRA_GPIO_PW1 177 -#define TEGRA_GPIO_PW2 178 -#define TEGRA_GPIO_PW3 179 -#define TEGRA_GPIO_PW4 180 -#define TEGRA_GPIO_PW5 181 -#define TEGRA_GPIO_PW6 182 -#define TEGRA_GPIO_PW7 183 -#define TEGRA_GPIO_PX0 184 -#define TEGRA_GPIO_PX1 185 -#define TEGRA_GPIO_PX2 186 -#define TEGRA_GPIO_PX3 187 -#define TEGRA_GPIO_PX4 188 -#define TEGRA_GPIO_PX5 189 -#define TEGRA_GPIO_PX6 190 -#define TEGRA_GPIO_PX7 191 -#define TEGRA_GPIO_PY0 192 -#define TEGRA_GPIO_PY1 193 -#define TEGRA_GPIO_PY2 194 -#define TEGRA_GPIO_PY3 195 -#define TEGRA_GPIO_PY4 196 -#define TEGRA_GPIO_PY5 197 -#define TEGRA_GPIO_PY6 198 -#define TEGRA_GPIO_PY7 199 -#define TEGRA_GPIO_PZ0 200 -#define TEGRA_GPIO_PZ1 201 -#define TEGRA_GPIO_PZ2 202 -#define TEGRA_GPIO_PZ3 203 -#define TEGRA_GPIO_PZ4 204 -#define TEGRA_GPIO_PZ5 205 -#define TEGRA_GPIO_PZ6 206 -#define TEGRA_GPIO_PZ7 207 -#define TEGRA_GPIO_PAA0 208 -#define TEGRA_GPIO_PAA1 209 -#define TEGRA_GPIO_PAA2 210 -#define TEGRA_GPIO_PAA3 211 -#define TEGRA_GPIO_PAA4 212 -#define TEGRA_GPIO_PAA5 213 -#define TEGRA_GPIO_PAA6 214 -#define TEGRA_GPIO_PAA7 215 -#define TEGRA_GPIO_PBB0 216 -#define TEGRA_GPIO_PBB1 217 -#define TEGRA_GPIO_PBB2 218 -#define TEGRA_GPIO_PBB3 219 -#define TEGRA_GPIO_PBB4 220 -#define TEGRA_GPIO_PBB5 221 -#define TEGRA_GPIO_PBB6 222 -#define TEGRA_GPIO_PBB7 223 - -#endif diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index 04de2e86092..ff26af26bd0 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -57,4 +57,6 @@ void __init tegra_hotplug_init(void) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; + if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124) + tegra_hotplug_shutdown = tegra30_hotplug_shutdown; } diff --git a/arch/arm/mach-tegra/iomap.h b/arch/arm/mach-tegra/iomap.h index 3f5fa0749bd..26b1c2ad0ce 100644 --- a/arch/arm/mach-tegra/iomap.h +++ b/arch/arm/mach-tegra/iomap.h @@ -24,44 +24,12 @@ #define TEGRA_IRAM_BASE 0x40000000 #define TEGRA_IRAM_SIZE SZ_256K -#define TEGRA_IRAM_CODE_AREA (TEGRA_IRAM_BASE + SZ_4K) - -#define TEGRA_HOST1X_BASE 0x50000000 -#define TEGRA_HOST1X_SIZE 0x24000 - #define TEGRA_ARM_PERIF_BASE 0x50040000 #define TEGRA_ARM_PERIF_SIZE SZ_8K -#define TEGRA_ARM_PL310_BASE 0x50043000 -#define TEGRA_ARM_PL310_SIZE SZ_4K - #define TEGRA_ARM_INT_DIST_BASE 0x50041000 #define TEGRA_ARM_INT_DIST_SIZE SZ_4K -#define TEGRA_MPE_BASE 0x54040000 -#define TEGRA_MPE_SIZE SZ_256K - -#define TEGRA_VI_BASE 0x54080000 -#define TEGRA_VI_SIZE SZ_256K - -#define TEGRA_ISP_BASE 0x54100000 -#define TEGRA_ISP_SIZE SZ_256K - -#define TEGRA_DISPLAY_BASE 0x54200000 -#define TEGRA_DISPLAY_SIZE SZ_256K - -#define TEGRA_DISPLAY2_BASE 0x54240000 -#define TEGRA_DISPLAY2_SIZE SZ_256K - -#define TEGRA_HDMI_BASE 0x54280000 -#define TEGRA_HDMI_SIZE SZ_256K - -#define TEGRA_GART_BASE 0x58000000 -#define TEGRA_GART_SIZE SZ_32M - -#define TEGRA_RES_SEMA_BASE 0x60001000 -#define TEGRA_RES_SEMA_SIZE SZ_4K - #define TEGRA_PRIMARY_ICTLR_BASE 0x60004000 #define TEGRA_PRIMARY_ICTLR_SIZE SZ_64 @@ -98,51 +66,15 @@ #define TEGRA_FLOW_CTRL_BASE 0x60007000 #define TEGRA_FLOW_CTRL_SIZE 20 -#define TEGRA_AHB_DMA_BASE 0x60008000 -#define TEGRA_AHB_DMA_SIZE SZ_4K - -#define TEGRA_AHB_DMA_CH0_BASE 0x60009000 -#define TEGRA_AHB_DMA_CH0_SIZE 32 - -#define TEGRA_APB_DMA_BASE 0x6000A000 -#define TEGRA_APB_DMA_SIZE SZ_4K - -#define TEGRA_APB_DMA_CH0_BASE 0x6000B000 -#define TEGRA_APB_DMA_CH0_SIZE 32 - -#define TEGRA_AHB_GIZMO_BASE 0x6000C004 -#define TEGRA_AHB_GIZMO_SIZE 0x10C - #define TEGRA_SB_BASE 0x6000C200 #define TEGRA_SB_SIZE 256 -#define TEGRA_STATMON_BASE 0x6000C400 -#define TEGRA_STATMON_SIZE SZ_1K - -#define TEGRA_GPIO_BASE 0x6000D000 -#define TEGRA_GPIO_SIZE SZ_4K - #define TEGRA_EXCEPTION_VECTORS_BASE 0x6000F000 #define TEGRA_EXCEPTION_VECTORS_SIZE SZ_4K #define TEGRA_APB_MISC_BASE 0x70000000 #define TEGRA_APB_MISC_SIZE SZ_4K -#define TEGRA_APB_MISC_DAS_BASE 0x70000c00 -#define TEGRA_APB_MISC_DAS_SIZE SZ_128 - -#define TEGRA_AC97_BASE 0x70002000 -#define TEGRA_AC97_SIZE SZ_512 - -#define TEGRA_SPDIF_BASE 0x70002400 -#define TEGRA_SPDIF_SIZE SZ_512 - -#define TEGRA_I2S1_BASE 0x70002800 -#define TEGRA_I2S1_SIZE SZ_256 - -#define TEGRA_I2S2_BASE 0x70002A00 -#define TEGRA_I2S2_SIZE SZ_256 - #define TEGRA_UARTA_BASE 0x70006000 #define TEGRA_UARTA_SIZE SZ_64 @@ -158,108 +90,27 @@ #define TEGRA_UARTE_BASE 0x70006400 #define TEGRA_UARTE_SIZE SZ_256 -#define TEGRA_NAND_BASE 0x70008000 -#define TEGRA_NAND_SIZE SZ_256 - -#define TEGRA_HSMMC_BASE 0x70008500 -#define TEGRA_HSMMC_SIZE SZ_256 - -#define TEGRA_SNOR_BASE 0x70009000 -#define TEGRA_SNOR_SIZE SZ_4K - -#define TEGRA_PWFM_BASE 0x7000A000 -#define TEGRA_PWFM_SIZE SZ_256 - -#define TEGRA_PWFM0_BASE 0x7000A000 -#define TEGRA_PWFM0_SIZE 4 - -#define TEGRA_PWFM1_BASE 0x7000A010 -#define TEGRA_PWFM1_SIZE 4 - -#define TEGRA_PWFM2_BASE 0x7000A020 -#define TEGRA_PWFM2_SIZE 4 - -#define TEGRA_PWFM3_BASE 0x7000A030 -#define TEGRA_PWFM3_SIZE 4 - -#define TEGRA_MIPI_BASE 0x7000B000 -#define TEGRA_MIPI_SIZE SZ_256 - -#define TEGRA_I2C_BASE 0x7000C000 -#define TEGRA_I2C_SIZE SZ_256 - -#define TEGRA_TWC_BASE 0x7000C100 -#define TEGRA_TWC_SIZE SZ_256 - -#define TEGRA_SPI_BASE 0x7000C380 -#define TEGRA_SPI_SIZE 48 - -#define TEGRA_I2C2_BASE 0x7000C400 -#define TEGRA_I2C2_SIZE SZ_256 - -#define TEGRA_I2C3_BASE 0x7000C500 -#define TEGRA_I2C3_SIZE SZ_256 - -#define TEGRA_OWR_BASE 0x7000C600 -#define TEGRA_OWR_SIZE 80 - -#define TEGRA_DVC_BASE 0x7000D000 -#define TEGRA_DVC_SIZE SZ_512 - -#define TEGRA_SPI1_BASE 0x7000D400 -#define TEGRA_SPI1_SIZE SZ_512 - -#define TEGRA_SPI2_BASE 0x7000D600 -#define TEGRA_SPI2_SIZE SZ_512 - -#define TEGRA_SPI3_BASE 0x7000D800 -#define TEGRA_SPI3_SIZE SZ_512 - -#define TEGRA_SPI4_BASE 0x7000DA00 -#define TEGRA_SPI4_SIZE SZ_512 - -#define TEGRA_RTC_BASE 0x7000E000 -#define TEGRA_RTC_SIZE SZ_256 - -#define TEGRA_KBC_BASE 0x7000E200 -#define TEGRA_KBC_SIZE SZ_256 - #define TEGRA_PMC_BASE 0x7000E400 #define TEGRA_PMC_SIZE SZ_256 -#define TEGRA_MC_BASE 0x7000F000 -#define TEGRA_MC_SIZE SZ_1K - #define TEGRA_EMC_BASE 0x7000F400 #define TEGRA_EMC_SIZE SZ_1K #define TEGRA_FUSE_BASE 0x7000F800 #define TEGRA_FUSE_SIZE SZ_1K -#define TEGRA_KFUSE_BASE 0x7000FC00 -#define TEGRA_KFUSE_SIZE SZ_1K - #define TEGRA_EMC0_BASE 0x7001A000 #define TEGRA_EMC0_SIZE SZ_2K #define TEGRA_EMC1_BASE 0x7001A800 #define TEGRA_EMC1_SIZE SZ_2K +#define TEGRA124_EMC_BASE 0x7001B000 +#define TEGRA124_EMC_SIZE SZ_2K + #define TEGRA_CSITE_BASE 0x70040000 #define TEGRA_CSITE_SIZE SZ_256K -#define TEGRA_SDMMC1_BASE 0xC8000000 -#define TEGRA_SDMMC1_SIZE SZ_512 - -#define TEGRA_SDMMC2_BASE 0xC8000200 -#define TEGRA_SDMMC2_SIZE SZ_512 - -#define TEGRA_SDMMC3_BASE 0xC8000400 -#define TEGRA_SDMMC3_SIZE SZ_512 - -#define TEGRA_SDMMC4_BASE 0xC8000600 -#define TEGRA_SDMMC4_SIZE SZ_512 - /* On TEGRA, many peripherals are very closely packed in * two 256MB io windows (that actually only use about 64KB * at the start of each). diff --git a/arch/arm/mach-tegra/irammap.h b/arch/arm/mach-tegra/irammap.h index 501952a8434..e32e1742c9a 100644 --- a/arch/arm/mach-tegra/irammap.h +++ b/arch/arm/mach-tegra/irammap.h @@ -23,4 +23,10 @@ #define TEGRA_IRAM_RESET_HANDLER_OFFSET 0 #define TEGRA_IRAM_RESET_HANDLER_SIZE SZ_1K +/* + * This area is used for LPx resume vector, only while LPx power state is + * active. At other times, the AVP may use this area for arbitrary purposes + */ +#define TEGRA_IRAM_LPx_RESUME_AREA (TEGRA_IRAM_BASE + SZ_4K) + #endif diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 2d0203627fb..eb72ae70912 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -176,6 +176,8 @@ static int tegra_boot_secondary(unsigned int cpu, return tegra30_boot_secondary(cpu, idle); if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114) return tegra114_boot_secondary(cpu, idle); + if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124) + return tegra114_boot_secondary(cpu, idle); return -EINVAL; } diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index ed294a04e1d..4ae0286b468 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -59,8 +59,10 @@ static void tegra_tear_down_cpu_init(void) break; case TEGRA30: case TEGRA114: + case TEGRA124: if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) || - IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra_tear_down_cpu = tegra30_tear_down_cpu; break; } @@ -216,8 +218,10 @@ static bool tegra_lp1_iram_hook(void) break; case TEGRA30: case TEGRA114: + case TEGRA124: if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) || - IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra30_lp1_iram_hook(); break; default: @@ -244,8 +248,10 @@ static bool tegra_sleep_core_init(void) break; case TEGRA30: case TEGRA114: + case TEGRA124: if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) || - IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC)) + IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) || + IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC)) tegra30_sleep_core_init(); break; default: @@ -263,10 +269,10 @@ static void tegra_suspend_enter_lp1(void) tegra_pmc_suspend(); /* copy the reset vector & SDRAM shutdown code into IRAM */ - memcpy(iram_save_addr, IO_ADDRESS(TEGRA_IRAM_CODE_AREA), - iram_save_size); - memcpy(IO_ADDRESS(TEGRA_IRAM_CODE_AREA), tegra_lp1_iram.start_addr, + memcpy(iram_save_addr, IO_ADDRESS(TEGRA_IRAM_LPx_RESUME_AREA), iram_save_size); + memcpy(IO_ADDRESS(TEGRA_IRAM_LPx_RESUME_AREA), + tegra_lp1_iram.start_addr, iram_save_size); *((u32 *)tegra_cpu_lp1_mask) = 1; } @@ -276,7 +282,7 @@ static void tegra_suspend_exit_lp1(void) tegra_pmc_resume(); /* restore IRAM */ - memcpy(IO_ADDRESS(TEGRA_IRAM_CODE_AREA), iram_save_addr, + memcpy(IO_ADDRESS(TEGRA_IRAM_LPx_RESUME_AREA), iram_save_addr, iram_save_size); *(u32 *)tegra_cpu_lp1_mask = 0; diff --git a/arch/arm/mach-tegra/pm.h b/arch/arm/mach-tegra/pm.h index fe204e5256e..6e92a7c2ecb 100644 --- a/arch/arm/mach-tegra/pm.h +++ b/arch/arm/mach-tegra/pm.h @@ -37,9 +37,6 @@ void tegra30_sleep_core_init(void); extern unsigned long l2x0_saved_regs_addr; -void save_cpu_arch_register(void); -void restore_cpu_arch_register(void); - void tegra_clear_cpu_in_lp2(void); bool tegra_set_cpu_in_lp2(void); diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c index 7916ff91f96..fb7920201ab 100644 --- a/arch/arm/mach-tegra/pmc.c +++ b/arch/arm/mach-tegra/pmc.c @@ -20,6 +20,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/tegra-powergate.h> #include "flowctrl.h" #include "fuse.h" @@ -43,12 +44,6 @@ #define PMC_CPUPWRGOOD_TIMER 0xc8 #define PMC_CPUPWROFF_TIMER 0xcc -#define TEGRA_POWERGATE_PCIE 3 -#define TEGRA_POWERGATE_VDEC 4 -#define TEGRA_POWERGATE_CPU1 9 -#define TEGRA_POWERGATE_CPU2 10 -#define TEGRA_POWERGATE_CPU3 11 - static u8 tegra_cpu_domains[] = { 0xFF, /* not available for CPU0 */ TEGRA_POWERGATE_CPU1, @@ -166,6 +161,15 @@ int tegra_pmc_cpu_remove_clamping(int cpuid) return tegra_pmc_powergate_remove_clamping(id); } +void tegra_pmc_restart(enum reboot_mode mode, const char *cmd) +{ + u32 val; + + val = tegra_pmc_readl(0); + val |= 0x10; + tegra_pmc_writel(val, 0); +} + #ifdef CONFIG_PM_SLEEP static void set_power_timers(u32 us_on, u32 us_off, unsigned long rate) { @@ -279,6 +283,7 @@ void tegra_pmc_suspend_init(void) #endif static const struct of_device_id matches[] __initconst = { + { .compatible = "nvidia,tegra124-pmc" }, { .compatible = "nvidia,tegra114-pmc" }, { .compatible = "nvidia,tegra30-pmc" }, { .compatible = "nvidia,tegra20-pmc" }, diff --git a/arch/arm/mach-tegra/pmc.h b/arch/arm/mach-tegra/pmc.h index 4d5f8f32225..59e19c34429 100644 --- a/arch/arm/mach-tegra/pmc.h +++ b/arch/arm/mach-tegra/pmc.h @@ -18,6 +18,8 @@ #ifndef __MACH_TEGRA_PMC_H #define __MACH_TEGRA_PMC_H +#include <linux/reboot.h> + enum tegra_suspend_mode { TEGRA_SUSPEND_NONE = 0, TEGRA_SUSPEND_LP2, /* CPU voltage off */ @@ -39,6 +41,8 @@ bool tegra_pmc_cpu_is_powered(int cpuid); int tegra_pmc_cpu_power_on(int cpuid); int tegra_pmc_cpu_remove_clamping(int cpuid); +void tegra_pmc_restart(enum reboot_mode mode, const char *cmd); + void tegra_pmc_init_irq(void); void tegra_pmc_init(void); diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index f076f0f80fc..85d28e756bb 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -42,8 +42,16 @@ static int tegra_num_powerdomains; static int tegra_num_cpu_domains; -static u8 *tegra_cpu_domains; -static u8 tegra30_cpu_domains[] = { +static const u8 *tegra_cpu_domains; + +static const u8 tegra30_cpu_domains[] = { + TEGRA_POWERGATE_CPU, + TEGRA_POWERGATE_CPU1, + TEGRA_POWERGATE_CPU2, + TEGRA_POWERGATE_CPU3, +}; + +static const u8 tegra114_cpu_domains[] = { TEGRA_POWERGATE_CPU0, TEGRA_POWERGATE_CPU1, TEGRA_POWERGATE_CPU2, @@ -189,6 +197,11 @@ int __init tegra_powergate_init(void) tegra_num_cpu_domains = 4; tegra_cpu_domains = tegra30_cpu_domains; break; + case TEGRA114: + tegra_num_powerdomains = 23; + tegra_num_cpu_domains = 4; + tegra_cpu_domains = tegra114_cpu_domains; + break; default: /* Unknown Tegra variant. Disable powergating */ tegra_num_powerdomains = 0; @@ -229,6 +242,27 @@ static const char * const powergate_name_t30[] = { [TEGRA_POWERGATE_3D1] = "3d1", }; +static const char * const powergate_name_t114[] = { + [TEGRA_POWERGATE_CPU] = "cpu0", + [TEGRA_POWERGATE_3D] = "3d", + [TEGRA_POWERGATE_VENC] = "venc", + [TEGRA_POWERGATE_VDEC] = "vdec", + [TEGRA_POWERGATE_MPE] = "mpe", + [TEGRA_POWERGATE_HEG] = "heg", + [TEGRA_POWERGATE_CPU1] = "cpu1", + [TEGRA_POWERGATE_CPU2] = "cpu2", + [TEGRA_POWERGATE_CPU3] = "cpu3", + [TEGRA_POWERGATE_CELP] = "celp", + [TEGRA_POWERGATE_CPU0] = "cpu0", + [TEGRA_POWERGATE_C0NC] = "c0nc", + [TEGRA_POWERGATE_C1NC] = "c1nc", + [TEGRA_POWERGATE_DIS] = "dis", + [TEGRA_POWERGATE_DISB] = "disb", + [TEGRA_POWERGATE_XUSBA] = "xusba", + [TEGRA_POWERGATE_XUSBB] = "xusbb", + [TEGRA_POWERGATE_XUSBC] = "xusbc", +}; + static int powergate_show(struct seq_file *s, void *data) { int i; @@ -236,9 +270,14 @@ static int powergate_show(struct seq_file *s, void *data) seq_printf(s, " powergate powered\n"); seq_printf(s, "------------------\n"); - for (i = 0; i < tegra_num_powerdomains; i++) + for (i = 0; i < tegra_num_powerdomains; i++) { + if (!powergate_name[i]) + continue; + seq_printf(s, " %9s %7s\n", powergate_name[i], tegra_powergate_is_powered(i) ? "yes" : "no"); + } + return 0; } @@ -265,6 +304,9 @@ int __init tegra_powergate_debugfs_init(void) case TEGRA30: powergate_name = powergate_name_t30; break; + case TEGRA114: + powergate_name = powergate_name_t114; + break; } if (powergate_name) { diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index f527b2c2dea..8c1ba4fea38 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -45,17 +45,11 @@ ENTRY(tegra_resume) check_cpu_part_num 0xc09, r8, r9 bleq v7_invalidate_l1 - blne tegra_init_l2_for_a15 cpu_id r0 - tegra_get_soc_id TEGRA_APB_MISC_BASE, r6 - cmp r6, #TEGRA114 - beq no_cpu0_chk - cmp r0, #0 @ CPU0? THUMB( it ne ) bne cpu_resume @ no -no_cpu0_chk: /* Are we on Tegra20? */ cmp r6, #TEGRA20 @@ -75,7 +69,7 @@ no_cpu0_chk: mov32 r9, 0xc09 cmp r8, r9 - bne not_ca9 + bne end_ca9_scu_l2_resume #ifdef CONFIG_HAVE_ARM_SCU /* enable SCU */ mov32 r0, TEGRA_ARM_PERIF_BASE @@ -86,7 +80,10 @@ no_cpu0_chk: /* L2 cache resume & re-enable */ l2_cache_resume r0, r1, r2, l2x0_saved_regs_addr -not_ca9: +end_ca9_scu_l2_resume: + mov32 r9, 0xc0f + cmp r8, r9 + bleq tegra_init_l2_for_a15 b cpu_resume ENDPROC(tegra_resume) diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index fd0bbf8a6c9..568f5bbf979 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -82,7 +82,7 @@ void __init tegra_cpu_reset_handler_init(void) #ifdef CONFIG_PM_SLEEP __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_LP1] = - TEGRA_IRAM_CODE_AREA; + TEGRA_IRAM_LPx_RESUME_AREA; __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_LP2] = virt_to_phys((void *)tegra_resume); #endif diff --git a/arch/arm/mach-tegra/sleep-tegra20.S b/arch/arm/mach-tegra/sleep-tegra20.S index 5c3bd11c983..aaaf3abd268 100644 --- a/arch/arm/mach-tegra/sleep-tegra20.S +++ b/arch/arm/mach-tegra/sleep-tegra20.S @@ -25,6 +25,7 @@ #include <asm/cp15.h> #include <asm/cache.h> +#include "irammap.h" #include "sleep.h" #include "flowctrl.h" @@ -235,7 +236,7 @@ ENTRY(tegra20_sleep_core_finish) mov32 r0, tegra20_tear_down_core mov32 r1, tegra20_iram_start sub r0, r0, r1 - mov32 r1, TEGRA_IRAM_CODE_AREA + mov32 r1, TEGRA_IRAM_LPx_RESUME_AREA add r0, r0, r1 mov pc, r3 @@ -328,7 +329,7 @@ tegra20_iram_start: * The physical address of tegra_resume expected to be stored in * PMC_SCRATCH41. * - * NOTE: THIS *MUST* BE RELOCATED TO TEGRA_IRAM_CODE_AREA. + * NOTE: THIS *MUST* BE RELOCATED TO TEGRA_IRAM_LPx_RESUME_AREA. */ ENTRY(tegra20_lp1_reset) /* diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S index 63fa91b5faf..b16d4a57fa5 100644 --- a/arch/arm/mach-tegra/sleep-tegra30.S +++ b/arch/arm/mach-tegra/sleep-tegra30.S @@ -20,6 +20,7 @@ #include <asm/asm-offsets.h> #include <asm/cache.h> +#include "irammap.h" #include "fuse.h" #include "sleep.h" #include "flowctrl.h" @@ -262,7 +263,7 @@ ENTRY(tegra30_sleep_core_finish) mov32 r0, tegra30_tear_down_core mov32 r1, tegra30_iram_start sub r0, r0, r1 - mov32 r1, TEGRA_IRAM_CODE_AREA + mov32 r1, TEGRA_IRAM_LPx_RESUME_AREA add r0, r0, r1 mov pc, r3 @@ -314,7 +315,7 @@ tegra30_iram_start: * The physical address of tegra_resume expected to be stored in * PMC_SCRATCH41. * - * NOTE: THIS *MUST* BE RELOCATED TO TEGRA_IRAM_CODE_AREA. + * NOTE: THIS *MUST* BE RELOCATED TO TEGRA_IRAM_LPx_RESUME_AREA. */ ENTRY(tegra30_lp1_reset) /* @@ -382,7 +383,7 @@ _pll_m_c_x_done: add r1, r1, #LOCK_DELAY wait_until r1, r7, r3 - adr r5, tegra30_sdram_pad_save + adr r5, tegra_sdram_pad_save ldr r4, [r5, #0x18] @ restore CLK_SOURCE_MSELECT str r4, [r0, #CLK_RESET_CLK_SOURCE_MSELECT] @@ -407,8 +408,12 @@ _pll_m_c_x_done: cmp r10, #TEGRA30 movweq r0, #:lower16:TEGRA_EMC_BASE @ r0 reserved for emc base movteq r0, #:upper16:TEGRA_EMC_BASE - movwne r0, #:lower16:TEGRA_EMC0_BASE - movtne r0, #:upper16:TEGRA_EMC0_BASE + cmp r10, #TEGRA114 + movweq r0, #:lower16:TEGRA_EMC0_BASE + movteq r0, #:upper16:TEGRA_EMC0_BASE + cmp r10, #TEGRA124 + movweq r0, #:lower16:TEGRA124_EMC_BASE + movteq r0, #:upper16:TEGRA124_EMC_BASE exit_self_refresh: ldr r1, [r5, #0xC] @ restore EMC_XM2VTTGENPADCTRL @@ -537,6 +542,7 @@ tegra30_sdram_pad_address: .word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14 .word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18 .word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c +tegra30_sdram_pad_address_end: tegra114_sdram_pad_address: .word TEGRA_EMC0_BASE + EMC_CFG @0x0 @@ -552,16 +558,28 @@ tegra114_sdram_pad_address: .word TEGRA_EMC1_BASE + EMC_AUTO_CAL_INTERVAL @0x28 .word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL @0x2c .word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL2 @0x30 +tegra114_sdram_pad_adress_end: + +tegra124_sdram_pad_address: + .word TEGRA124_EMC_BASE + EMC_CFG @0x0 + .word TEGRA124_EMC_BASE + EMC_ZCAL_INTERVAL @0x4 + .word TEGRA124_EMC_BASE + EMC_AUTO_CAL_INTERVAL @0x8 + .word TEGRA124_EMC_BASE + EMC_XM2VTTGENPADCTRL @0xc + .word TEGRA124_EMC_BASE + EMC_XM2VTTGENPADCTRL2 @0x10 + .word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14 + .word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18 + .word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c +tegra124_sdram_pad_address_end: tegra30_sdram_pad_size: - .word tegra114_sdram_pad_address - tegra30_sdram_pad_address + .word tegra30_sdram_pad_address_end - tegra30_sdram_pad_address tegra114_sdram_pad_size: - .word tegra30_sdram_pad_size - tegra114_sdram_pad_address + .word tegra114_sdram_pad_adress_end - tegra114_sdram_pad_address - .type tegra30_sdram_pad_save, %object -tegra30_sdram_pad_save: - .rept (tegra30_sdram_pad_size - tegra114_sdram_pad_address) / 4 + .type tegra_sdram_pad_save, %object +tegra_sdram_pad_save: + .rept (tegra114_sdram_pad_adress_end - tegra114_sdram_pad_address) / 4 .long 0 .endr @@ -692,13 +710,18 @@ halted: */ tegra30_sdram_self_refresh: - adr r8, tegra30_sdram_pad_save + adr r8, tegra_sdram_pad_save tegra_get_soc_id TEGRA_APB_MISC_BASE, r10 cmp r10, #TEGRA30 adreq r2, tegra30_sdram_pad_address ldreq r3, tegra30_sdram_pad_size - adrne r2, tegra114_sdram_pad_address - ldrne r3, tegra114_sdram_pad_size + cmp r10, #TEGRA114 + adreq r2, tegra114_sdram_pad_address + ldreq r3, tegra114_sdram_pad_size + cmp r10, #TEGRA124 + adreq r2, tegra124_sdram_pad_address + ldreq r3, tegra30_sdram_pad_size + mov r9, #0 padsave: @@ -716,7 +739,10 @@ padsave_done: cmp r10, #TEGRA30 ldreq r0, =TEGRA_EMC_BASE @ r0 reserved for emc base addr - ldrne r0, =TEGRA_EMC0_BASE + cmp r10, #TEGRA114 + ldreq r0, =TEGRA_EMC0_BASE + cmp r10, #TEGRA124 + ldreq r0, =TEGRA124_EMC_BASE enter_self_refresh: cmp r10, #TEGRA30 diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 2e219280783..ce553d557c3 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -33,17 +33,78 @@ #include <linux/sys_soc.h> #include <linux/usb/tegra_usb_phy.h> #include <linux/clk/tegra.h> +#include <linux/irqchip.h> +#include <asm/hardware/cache-l2x0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/setup.h> +#include "apbio.h" #include "board.h" #include "common.h" +#include "cpuidle.h" #include "fuse.h" #include "iomap.h" +#include "irq.h" #include "pmc.h" +#include "pm.h" +#include "reset.h" +#include "sleep.h" + +/* + * Storage for debug-macro.S's state. + * + * This must be in .data not .bss so that it gets initialized each time the + * kernel is loaded. The data is declared here rather than debug-macro.S so + * that multiple inclusions of debug-macro.S point at the same data. + */ +u32 tegra_uart_config[4] = { + /* Debug UART initialization required */ + 1, + /* Debug UART physical address */ + 0, + /* Debug UART virtual address */ + 0, + /* Scratch space for debug macro */ + 0, +}; + +static void __init tegra_init_cache(void) +{ +#ifdef CONFIG_CACHE_L2X0 + int ret; + void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; + u32 aux_ctrl, cache_type; + + cache_type = readl(p + L2X0_CACHE_TYPE); + aux_ctrl = (cache_type & 0x700) << (17-8); + aux_ctrl |= 0x7C400001; + + ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); + if (!ret) + l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); +#endif +} + +static void __init tegra_init_early(void) +{ + tegra_cpu_reset_handler_init(); + tegra_apb_io_init(); + tegra_init_fuse(); + tegra_init_cache(); + tegra_powergate_init(); + tegra_hotplug_init(); +} + +static void __init tegra_dt_init_irq(void) +{ + tegra_pmc_init_irq(); + tegra_init_irq(); + irqchip_init(); + tegra_legacy_irq_syscore_init(); +} static void __init tegra_dt_init(void) { @@ -99,7 +160,9 @@ static void __init tegra_dt_init_late(void) { int i; - tegra_init_late(); + tegra_init_suspend(); + tegra_cpuidle_init(); + tegra_powergate_debugfs_init(); for (i = 0; i < ARRAY_SIZE(board_init_funcs); i++) { if (of_machine_is_compatible(board_init_funcs[i].machine)) { @@ -110,6 +173,7 @@ static void __init tegra_dt_init_late(void) } static const char * const tegra_dt_board_compat[] = { + "nvidia,tegra124", "nvidia,tegra114", "nvidia,tegra30", "nvidia,tegra20", @@ -123,6 +187,6 @@ DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)") .init_irq = tegra_dt_init_irq, .init_machine = tegra_dt_init, .init_late = tegra_dt_init_late, - .restart = tegra_assert_system_reset, + .restart = tegra_pmc_restart, .dt_compat = tegra_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c index 7aeb5d60e48..e6eb4819291 100644 --- a/arch/arm/mach-vexpress/tc2_pm.c +++ b/arch/arm/mach-vexpress/tc2_pm.c @@ -131,6 +131,16 @@ static void tc2_pm_down(u64 residency) } else BUG(); + /* + * If the CPU is committed to power down, make sure + * the power controller will be in charge of waking it + * up upon IRQ, ie IRQ lines are cut from GIC CPU IF + * to the CPU by disabling the GIC CPU IF to prevent wfi + * from completing execution behind power controller back + */ + if (!skip_wfi) + gic_cpu_if_down(); + if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) { arch_spin_unlock(&tc2_pm_lock); @@ -231,7 +241,6 @@ static void tc2_pm_suspend(u64 residency) cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point)); - gic_cpu_if_down(); tc2_pm_down(residency); } diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 4fb1f03a10d..335beb34135 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -87,8 +87,12 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) #endif #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) +# define soc_is_s3c6400() is_samsung_s3c6400() +# define soc_is_s3c6410() is_samsung_s3c6410() # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) #else +# define soc_is_s3c6400() 0 +# define soc_is_s3c6410() 0 # define soc_is_s3c64xx() 0 #endif diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug index 1a6bfe954d4..835c559786b 100644 --- a/arch/arm64/Kconfig.debug +++ b/arch/arm64/Kconfig.debug @@ -6,13 +6,6 @@ config FRAME_POINTER bool default y -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T output. - config EARLY_PRINTK bool "Early printk support" default y diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 5b3e83217b0..31c81e9b792 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -42,7 +42,7 @@ CONFIG_IP_PNP_BOOTP=y # CONFIG_WIRELESS is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y -# CONFIG_BLK_DEV is not set +CONFIG_BLK_DEV=y CONFIG_SCSI=y # CONFIG_SCSI_PROC_FS is not set CONFIG_BLK_DEV_SD=y @@ -72,6 +72,7 @@ CONFIG_LOGO=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y +CONFIG_EXT4_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set CONFIG_FUSE_FS=y @@ -90,3 +91,5 @@ CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_INFO=y # CONFIG_FTRACE is not set CONFIG_ATOMIC64_SELFTEST=y +CONFIG_VIRTIO_MMIO=y +CONFIG_VIRTIO_BLK=y diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index edb3d5c73a3..7ecc2b23882 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -166,9 +166,10 @@ do { \ #define get_user(x, ptr) \ ({ \ + __typeof__(*(ptr)) __user *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \ - __get_user((x), (ptr)) : \ + access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \ + __get_user((x), __p) : \ ((x) = 0, -EFAULT); \ }) @@ -227,9 +228,10 @@ do { \ #define put_user(x, ptr) \ ({ \ + __typeof__(*(ptr)) __user *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \ - __put_user((x), (ptr)) : \ + access_ok(VERIFY_WRITE, __p, sizeof(*__p)) ? \ + __put_user((x), __p) : \ -EFAULT; \ }) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 1f2e4d5a5c0..bb785d23dbd 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -80,8 +80,10 @@ void fpsimd_thread_switch(struct task_struct *next) void fpsimd_flush_thread(void) { + preempt_disable(); memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); fpsimd_load_state(¤t->thread.fpsimd_state); + preempt_enable(); } #ifdef CONFIG_KERNEL_MODE_NEON diff --git a/arch/arm64/mm/tlb.S b/arch/arm64/mm/tlb.S index 8ae80a18e8e..19da91e0cd2 100644 --- a/arch/arm64/mm/tlb.S +++ b/arch/arm64/mm/tlb.S @@ -35,7 +35,7 @@ */ ENTRY(__cpu_flush_user_tlb_range) vma_vm_mm x3, x2 // get vma->vm_mm - mmid x3, x3 // get vm_mm->context.id + mmid w3, x3 // get vm_mm->context.id dsb sy lsr x0, x0, #12 // align address lsr x1, x1, #12 diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index d22af851f3f..fd798074389 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -1,5 +1,19 @@ generic-y += clkdev.h +generic-y += cputime.h +generic-y += delay.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h generic-y += exec.h -generic-y += trace_clock.h +generic-y += futex.h +generic-y += irq_regs.h generic-y += param.h +generic-y += local.h +generic-y += local64.h +generic-y += percpu.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += topology.h +generic-y += trace_clock.h +generic-y += xor.h diff --git a/arch/avr32/include/asm/cputime.h b/arch/avr32/include/asm/cputime.h deleted file mode 100644 index e87e0f81cbe..00000000000 --- a/arch/avr32/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_CPUTIME_H -#define __ASM_AVR32_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __ASM_AVR32_CPUTIME_H */ diff --git a/arch/avr32/include/asm/delay.h b/arch/avr32/include/asm/delay.h deleted file mode 100644 index 9670e127b7b..00000000000 --- a/arch/avr32/include/asm/delay.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/delay.h> diff --git a/arch/avr32/include/asm/device.h b/arch/avr32/include/asm/device.h deleted file mode 100644 index d8f9872b0e2..00000000000 --- a/arch/avr32/include/asm/device.h +++ /dev/null @@ -1,7 +0,0 @@ -/* - * Arch specific extensions to struct device - * - * This file is released under the GPLv2 - */ -#include <asm-generic/device.h> - diff --git a/arch/avr32/include/asm/div64.h b/arch/avr32/include/asm/div64.h deleted file mode 100644 index d7ddd4fdeca..00000000000 --- a/arch/avr32/include/asm/div64.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_DIV64_H -#define __ASM_AVR32_DIV64_H - -#include <asm-generic/div64.h> - -#endif /* __ASM_AVR32_DIV64_H */ diff --git a/arch/avr32/include/asm/emergency-restart.h b/arch/avr32/include/asm/emergency-restart.h deleted file mode 100644 index 3e7e014776b..00000000000 --- a/arch/avr32/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_EMERGENCY_RESTART_H -#define __ASM_AVR32_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* __ASM_AVR32_EMERGENCY_RESTART_H */ diff --git a/arch/avr32/include/asm/futex.h b/arch/avr32/include/asm/futex.h deleted file mode 100644 index 10419f14a68..00000000000 --- a/arch/avr32/include/asm/futex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_FUTEX_H -#define __ASM_AVR32_FUTEX_H - -#include <asm-generic/futex.h> - -#endif /* __ASM_AVR32_FUTEX_H */ diff --git a/arch/avr32/include/asm/irq_regs.h b/arch/avr32/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b7027..00000000000 --- a/arch/avr32/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/arch/avr32/include/asm/local.h b/arch/avr32/include/asm/local.h deleted file mode 100644 index 1c1619694da..00000000000 --- a/arch/avr32/include/asm/local.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_LOCAL_H -#define __ASM_AVR32_LOCAL_H - -#include <asm-generic/local.h> - -#endif /* __ASM_AVR32_LOCAL_H */ diff --git a/arch/avr32/include/asm/local64.h b/arch/avr32/include/asm/local64.h deleted file mode 100644 index 36c93b5cc23..00000000000 --- a/arch/avr32/include/asm/local64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local64.h> diff --git a/arch/avr32/include/asm/percpu.h b/arch/avr32/include/asm/percpu.h deleted file mode 100644 index 69227b4cd0d..00000000000 --- a/arch/avr32/include/asm/percpu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_PERCPU_H -#define __ASM_AVR32_PERCPU_H - -#include <asm-generic/percpu.h> - -#endif /* __ASM_AVR32_PERCPU_H */ diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h deleted file mode 100644 index a5902d9834e..00000000000 --- a/arch/avr32/include/asm/scatterlist.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SCATTERLIST_H -#define __ASM_AVR32_SCATTERLIST_H - -#include <asm-generic/scatterlist.h> - -#endif /* __ASM_AVR32_SCATTERLIST_H */ diff --git a/arch/avr32/include/asm/sections.h b/arch/avr32/include/asm/sections.h deleted file mode 100644 index aa14252e418..00000000000 --- a/arch/avr32/include/asm/sections.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SECTIONS_H -#define __ASM_AVR32_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif /* __ASM_AVR32_SECTIONS_H */ diff --git a/arch/avr32/include/asm/topology.h b/arch/avr32/include/asm/topology.h deleted file mode 100644 index 5b766cbb480..00000000000 --- a/arch/avr32/include/asm/topology.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_TOPOLOGY_H -#define __ASM_AVR32_TOPOLOGY_H - -#include <asm-generic/topology.h> - -#endif /* __ASM_AVR32_TOPOLOGY_H */ diff --git a/arch/avr32/include/asm/xor.h b/arch/avr32/include/asm/xor.h deleted file mode 100644 index 99c87aa0af4..00000000000 --- a/arch/avr32/include/asm/xor.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_XOR_H -#define _ASM_XOR_H - -#include <asm-generic/xor.h> - -#endif diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index c2731003ede..42a53e740a7 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -289,7 +289,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, memset(childregs, 0, sizeof(struct pt_regs)); p->thread.cpu_context.r0 = arg; p->thread.cpu_context.r1 = usp; /* fn */ - p->thread.cpu_context.r2 = syscall_return; + p->thread.cpu_context.r2 = (unsigned long)syscall_return; p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread; childregs->sr = MODE_SUPERVISOR; } else { diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index 869a1c6ffee..12f828ad505 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -98,7 +98,14 @@ static void comparator_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: sysreg_write(COMPARE, 0); pr_debug("%s: stop\n", evdev->name); - cpu_idle_poll_ctrl(false); + if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || + evdev->mode == CLOCK_EVT_MODE_RESUME) { + /* + * Only disable idle poll if we have forced that + * in a previous call. + */ + cpu_idle_poll_ctrl(false); + } break; default: BUG(); diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c index 4a9baa9f633..9969dbab19e 100644 --- a/arch/mips/alchemy/board-mtx1.c +++ b/arch/mips/alchemy/board-mtx1.c @@ -276,7 +276,7 @@ static struct platform_device mtx1_pci_host = { .resource = alchemy_pci_host_res, }; -static struct __initdata platform_device * mtx1_devs[] = { +static struct platform_device *mtx1_devs[] __initdata = { &mtx1_pci_host, &mtx1_gpio_leds, &mtx1_wdt, diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 51680d15ca8..d445d060e34 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -187,7 +187,7 @@ /* * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other - * pre-MIPS32/MIPS53 processors have CLO, CLZ. The IDT RC64574 is 64-bit and + * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. */ diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 627883bc6d5..bc6f96fcb52 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -609,6 +609,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size) r4k_blast_scache(); else blast_scache_range(addr, addr + size); + preempt_enable(); __sync(); return; } @@ -650,6 +651,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) */ blast_inv_scache_range(addr, addr + size); } + preempt_enable(); __sync(); return; } diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index f25a7e9f8cb..5f8b9551258 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -308,12 +308,10 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (cpu_needs_post_dma_flush(dev)) + if (cpu_needs_post_dma_flush(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } static void mips_dma_sync_sg_for_device(struct device *dev, @@ -321,12 +319,10 @@ static void mips_dma_sync_sg_for_device(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (!plat_device_is_coherent(dev)) + if (!plat_device_is_coherent(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) diff --git a/arch/openrisc/include/asm/prom.h b/arch/openrisc/include/asm/prom.h index eb59bfe23e8..93c9980e1b6 100644 --- a/arch/openrisc/include/asm/prom.h +++ b/arch/openrisc/include/asm/prom.h @@ -14,53 +14,9 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - -#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ - #ifndef _ASM_OPENRISC_PROM_H #define _ASM_OPENRISC_PROM_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/types.h> -#include <asm/irq.h> -#include <linux/irqdomain.h> -#include <linux/atomic.h> -#include <linux/of_irq.h> -#include <linux/of_fdt.h> -#include <linux/of_address.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> #define HAVE_ARCH_DEVTREE_FIXUPS -/* Other Prototypes */ -extern int early_uartlite_console(void); - -/* Parse the ibm,dma-window property of an OF node into the busno, phys and - * size parameters. - */ -void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, - unsigned long *busno, unsigned long *phys, unsigned long *size); - -extern void kdump_move_device_tree(void); - -/* Get the MAC address */ -extern const void *of_get_mac_address(struct device_node *np); - -/** - * of_irq_map_pci - Resolve the interrupt for a PCI device - * @pdev: the device whose interrupt is to be resolved - * @out_irq: structure of_irq filled by this function - * - * This function resolves the PCI interrupt for a given PCI device. If a - * device-node exists for a given pci_dev, it will use normal OF tree - * walking. If not, it will implement standard swizzling and walk up the - * PCI tree until an device-node is found, at which point it will finish - * resolving using the OF tree walking. - */ -struct pci_dev; -extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_OPENRISC_PROM_H */ diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index d10d27a720c..00c0ed333a3 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -182,6 +182,9 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, if (user_mode(regs)) flags |= FAULT_FLAG_USER; + + acc_type = parisc_acctyp(code, regs->iir); + if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: @@ -196,8 +199,6 @@ retry: good_area: - acc_type = parisc_acctyp(code,regs->iir); - if ((vma->vm_flags & acc_type) != acc_type) goto bad_area; diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 6a15c968d21..15ca2255f43 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -74,7 +74,7 @@ src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c src-wlib-$(CONFIG_EMBEDDED6xx) += mv64x60.c mv64x60_i2c.c ugecon.c -src-plat-y := of.c +src-plat-y := of.c epapr.c src-plat-$(CONFIG_40x) += fixed-head.S ep405.c cuboot-hotfoot.c \ treeboot-walnut.c cuboot-acadia.c \ cuboot-kilauea.c simpleboot.c \ @@ -97,7 +97,7 @@ src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \ prpmc2800.c src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c -src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c +src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c src-wlib := $(sort $(src-wlib-y)) src-plat := $(sort $(src-plat-y)) diff --git a/arch/powerpc/boot/epapr-wrapper.c b/arch/powerpc/boot/epapr-wrapper.c new file mode 100644 index 00000000000..c1019100667 --- /dev/null +++ b/arch/powerpc/boot/epapr-wrapper.c @@ -0,0 +1,9 @@ +extern void epapr_platform_init(unsigned long r3, unsigned long r4, + unsigned long r5, unsigned long r6, + unsigned long r7); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + epapr_platform_init(r3, r4, r5, r6, r7); +} diff --git a/arch/powerpc/boot/epapr.c b/arch/powerpc/boot/epapr.c index 06c1961bd12..02e91aa2194 100644 --- a/arch/powerpc/boot/epapr.c +++ b/arch/powerpc/boot/epapr.c @@ -48,8 +48,8 @@ static void platform_fixups(void) fdt_addr, fdt_totalsize((void *)fdt_addr), ima_size); } -void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) +void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) { epapr_magic = r6; ima_size = r7; diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index 61d9899aa0d..62e2f43ec1d 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -26,6 +26,9 @@ static unsigned long claim_base; +void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7); + static void *of_try_claim(unsigned long size) { unsigned long addr = 0; @@ -61,7 +64,7 @@ static void of_image_hdr(const void *hdr) } } -void platform_init(unsigned long a1, unsigned long a2, void *promptr) +static void of_platform_init(unsigned long a1, unsigned long a2, void *promptr) { platform_ops.image_hdr = of_image_hdr; platform_ops.malloc = of_try_claim; @@ -81,3 +84,14 @@ void platform_init(unsigned long a1, unsigned long a2, void *promptr) loader_info.initrd_size = a2; } } + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + /* Detect OF vs. ePAPR boot */ + if (r5) + of_platform_init(r3, r4, (void *)r5); + else + epapr_platform_init(r3, r4, r5, r6, r7); +} + diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 6761c746048..cd7af841ba0 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -148,18 +148,18 @@ make_space=y case "$platform" in pseries) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" link_address='0x4000000' ;; maple) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" link_address='0x400000' ;; pmac|chrp) - platformo=$object/of.o + platformo="$object/of.o $object/epapr.o" ;; coff) - platformo="$object/crt0.o $object/of.o" + platformo="$object/crt0.o $object/of.o $object/epapr.o" lds=$object/zImage.coff.lds link_address='0x500000' pie= @@ -253,6 +253,7 @@ treeboot-iss4xx-mpic) platformo="$object/treeboot-iss4xx.o" ;; epapr) + platformo="$object/epapr.o $object/epapr-wrapper.o" link_address='0x20000000' pie=-pie ;; diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index 0e40843a1c6..41f13cec8a8 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -69,9 +69,9 @@ extern struct thread_info *softirq_ctx[NR_CPUS]; extern void irq_ctx_init(void); extern void call_do_softirq(struct thread_info *tp); -extern int call_handle_irq(int irq, void *p1, - struct thread_info *tp, void *func); +extern void call_do_irq(struct pt_regs *regs, struct thread_info *tp); extern void do_IRQ(struct pt_regs *regs); +extern void __do_irq(struct pt_regs *regs); int irq_choose_cpu(const struct cpumask *mask); diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index e378cccfca5..ce4de5aed7b 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -149,8 +149,6 @@ typedef struct { struct thread_struct { unsigned long ksp; /* Kernel stack pointer */ - unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ - #ifdef CONFIG_PPC64 unsigned long ksp_vsid; #endif @@ -162,6 +160,7 @@ struct thread_struct { #endif #ifdef CONFIG_PPC32 void *pgdir; /* root of page-table tree */ + unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ #endif #ifdef CONFIG_PPC_ADV_DEBUG_REGS /* @@ -321,7 +320,6 @@ struct thread_struct { #else #define INIT_THREAD { \ .ksp = INIT_SP, \ - .ksp_limit = INIT_SP_LIMIT, \ .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ .fs = KERNEL_DS, \ .fpr = {{0}}, \ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index d8958be5f31..502c7a4e73f 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -80,10 +80,11 @@ int main(void) DEFINE(TASKTHREADPPR, offsetof(struct task_struct, thread.ppr)); #else DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); + DEFINE(THREAD_INFO_GAP, _ALIGN_UP(sizeof(struct thread_info), 16)); + DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit)); #endif /* CONFIG_PPC64 */ DEFINE(KSP, offsetof(struct thread_struct, ksp)); - DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit)); DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); #ifdef CONFIG_BOOKE DEFINE(THREAD_NORMSAVES, offsetof(struct thread_struct, normsave[0])); diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 0adab06ce5c..572bb5b95f3 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -661,7 +661,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) /* number of bytes needed for the bitmap */ sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); - page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz)); + page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz)); if (!page) panic("iommu_init_table: Can't allocate %ld bytes\n", sz); tbl->it_map = page_address(page); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index c69440cef7a..57d286a78f8 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -441,50 +441,6 @@ void migrate_irqs(void) } #endif -static inline void handle_one_irq(unsigned int irq) -{ - struct thread_info *curtp, *irqtp; - unsigned long saved_sp_limit; - struct irq_desc *desc; - - desc = irq_to_desc(irq); - if (!desc) - return; - - /* Switch to the irq stack to handle this */ - curtp = current_thread_info(); - irqtp = hardirq_ctx[smp_processor_id()]; - - if (curtp == irqtp) { - /* We're already on the irq stack, just handle it */ - desc->handle_irq(irq, desc); - return; - } - - saved_sp_limit = current->thread.ksp_limit; - - irqtp->task = curtp->task; - irqtp->flags = 0; - - /* Copy the softirq bits in preempt_count so that the - * softirq checks work in the hardirq context. */ - irqtp->preempt_count = (irqtp->preempt_count & ~SOFTIRQ_MASK) | - (curtp->preempt_count & SOFTIRQ_MASK); - - current->thread.ksp_limit = (unsigned long)irqtp + - _ALIGN_UP(sizeof(struct thread_info), 16); - - call_handle_irq(irq, desc, irqtp, desc->handle_irq); - current->thread.ksp_limit = saved_sp_limit; - irqtp->task = NULL; - - /* Set any flag that may have been set on the - * alternate stack - */ - if (irqtp->flags) - set_bits(irqtp->flags, &curtp->flags); -} - static inline void check_stack_overflow(void) { #ifdef CONFIG_DEBUG_STACKOVERFLOW @@ -501,9 +457,9 @@ static inline void check_stack_overflow(void) #endif } -void do_IRQ(struct pt_regs *regs) +void __do_irq(struct pt_regs *regs) { - struct pt_regs *old_regs = set_irq_regs(regs); + struct irq_desc *desc; unsigned int irq; irq_enter(); @@ -519,18 +475,56 @@ void do_IRQ(struct pt_regs *regs) */ irq = ppc_md.get_irq(); - /* We can hard enable interrupts now */ + /* We can hard enable interrupts now to allow perf interrupts */ may_hard_irq_enable(); /* And finally process it */ - if (irq != NO_IRQ) - handle_one_irq(irq); - else + if (unlikely(irq == NO_IRQ)) __get_cpu_var(irq_stat).spurious_irqs++; + else { + desc = irq_to_desc(irq); + if (likely(desc)) + desc->handle_irq(irq, desc); + } trace_irq_exit(regs); irq_exit(); +} + +void do_IRQ(struct pt_regs *regs) +{ + struct pt_regs *old_regs = set_irq_regs(regs); + struct thread_info *curtp, *irqtp; + + /* Switch to the irq stack to handle this */ + curtp = current_thread_info(); + irqtp = hardirq_ctx[raw_smp_processor_id()]; + + /* Already there ? */ + if (unlikely(curtp == irqtp)) { + __do_irq(regs); + set_irq_regs(old_regs); + return; + } + + /* Prepare the thread_info in the irq stack */ + irqtp->task = curtp->task; + irqtp->flags = 0; + + /* Copy the preempt_count so that the [soft]irq checks work. */ + irqtp->preempt_count = curtp->preempt_count; + + /* Switch stack and call */ + call_do_irq(regs, irqtp); + + /* Restore stack limit */ + irqtp->task = NULL; + + /* Copy back updates to the thread_info */ + if (irqtp->flags) + set_bits(irqtp->flags, &curtp->flags); + set_irq_regs(old_regs); } @@ -592,28 +586,22 @@ void irq_ctx_init(void) memset((void *)softirq_ctx[i], 0, THREAD_SIZE); tp = softirq_ctx[i]; tp->cpu = i; - tp->preempt_count = 0; memset((void *)hardirq_ctx[i], 0, THREAD_SIZE); tp = hardirq_ctx[i]; tp->cpu = i; - tp->preempt_count = HARDIRQ_OFFSET; } } static inline void do_softirq_onstack(void) { struct thread_info *curtp, *irqtp; - unsigned long saved_sp_limit = current->thread.ksp_limit; curtp = current_thread_info(); irqtp = softirq_ctx[smp_processor_id()]; irqtp->task = curtp->task; irqtp->flags = 0; - current->thread.ksp_limit = (unsigned long)irqtp + - _ALIGN_UP(sizeof(struct thread_info), 16); call_do_softirq(irqtp); - current->thread.ksp_limit = saved_sp_limit; irqtp->task = NULL; /* Set any flag that may have been set on the diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 777d999f563..2b0ad984536 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -36,26 +36,41 @@ .text +/* + * We store the saved ksp_limit in the unused part + * of the STACK_FRAME_OVERHEAD + */ _GLOBAL(call_do_softirq) mflr r0 stw r0,4(r1) + lwz r10,THREAD+KSP_LIMIT(r2) + addi r11,r3,THREAD_INFO_GAP stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3) mr r1,r3 + stw r10,8(r1) + stw r11,THREAD+KSP_LIMIT(r2) bl __do_softirq + lwz r10,8(r1) lwz r1,0(r1) lwz r0,4(r1) + stw r10,THREAD+KSP_LIMIT(r2) mtlr r0 blr -_GLOBAL(call_handle_irq) +_GLOBAL(call_do_irq) mflr r0 stw r0,4(r1) - mtctr r6 - stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5) - mr r1,r5 - bctrl + lwz r10,THREAD+KSP_LIMIT(r2) + addi r11,r3,THREAD_INFO_GAP + stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4) + mr r1,r4 + stw r10,8(r1) + stw r11,THREAD+KSP_LIMIT(r2) + bl __do_irq + lwz r10,8(r1) lwz r1,0(r1) lwz r0,4(r1) + stw r10,THREAD+KSP_LIMIT(r2) mtlr r0 blr diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 971d7e78aff..e59caf874d0 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -40,14 +40,12 @@ _GLOBAL(call_do_softirq) mtlr r0 blr -_GLOBAL(call_handle_irq) - ld r8,0(r6) +_GLOBAL(call_do_irq) mflr r0 std r0,16(r1) - mtctr r8 - stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5) - mr r1,r5 - bctrl + stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4) + mr r1,r4 + bl .__do_irq ld r1,0(r1) ld r0,16(r1) mtlr r0 diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 6f428da53e2..96d2fdf3aa9 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1000,9 +1000,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, kregs = (struct pt_regs *) sp; sp -= STACK_FRAME_OVERHEAD; p->thread.ksp = sp; +#ifdef CONFIG_PPC32 p->thread.ksp_limit = (unsigned long)task_stack_page(p) + _ALIGN_UP(sizeof(struct thread_info), 16); - +#endif #ifdef CONFIG_HAVE_HW_BREAKPOINT p->thread.ptrace_bps[0] = NULL; #endif diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 12e656ffe60..5fe2842e8ba 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -196,6 +196,8 @@ static int __initdata mem_reserve_cnt; static cell_t __initdata regbuf[1024]; +static bool rtas_has_query_cpu_stopped; + /* * Error results ... some OF calls will return "-1" on error, some @@ -1574,6 +1576,11 @@ static void __init prom_instantiate_rtas(void) prom_setprop(rtas_node, "/rtas", "linux,rtas-entry", &val, sizeof(val)); + /* Check if it supports "query-cpu-stopped-state" */ + if (prom_getprop(rtas_node, "query-cpu-stopped-state", + &val, sizeof(val)) != PROM_ERROR) + rtas_has_query_cpu_stopped = true; + #if defined(CONFIG_PPC_POWERNV) && defined(__BIG_ENDIAN__) /* PowerVN takeover hack */ prom_rtas_data = base; @@ -1815,6 +1822,18 @@ static void __init prom_hold_cpus(void) = (void *) LOW_ADDR(__secondary_hold_acknowledge); unsigned long secondary_hold = LOW_ADDR(__secondary_hold); + /* + * On pseries, if RTAS supports "query-cpu-stopped-state", + * we skip this stage, the CPUs will be started by the + * kernel using RTAS. + */ + if ((of_platform == PLATFORM_PSERIES || + of_platform == PLATFORM_PSERIES_LPAR) && + rtas_has_query_cpu_stopped) { + prom_printf("prom_hold_cpus: skipped\n"); + return; + } + prom_debug("prom_hold_cpus: start...\n"); prom_debug(" 1) spinloop = 0x%x\n", (unsigned long)spinloop); prom_debug(" 1) *spinloop = 0x%x\n", *spinloop); @@ -3011,6 +3030,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, * On non-powermacs, put all CPUs in spin-loops. * * PowerMacs use a different mechanism to spin CPUs + * + * (This must be done after instanciating RTAS) */ if (of_platform != PLATFORM_POWERMAC && of_platform != PLATFORM_OPAL) diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 27a90b99ef6..b4e667663d9 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -17,6 +17,7 @@ #include <asm/machdep.h> #include <asm/smp.h> #include <asm/pmc.h> +#include <asm/firmware.h> #include "cacheinfo.h" @@ -179,15 +180,25 @@ SYSFS_PMCSETUP(spurr, SPRN_SPURR); SYSFS_PMCSETUP(dscr, SPRN_DSCR); SYSFS_PMCSETUP(pir, SPRN_PIR); +/* + Lets only enable read for phyp resources and + enable write when needed with a separate function. + Lets be conservative and default to pseries. +*/ static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra); static DEVICE_ATTR(spurr, 0400, show_spurr, NULL); static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr); -static DEVICE_ATTR(purr, 0600, show_purr, store_purr); +static DEVICE_ATTR(purr, 0400, show_purr, store_purr); static DEVICE_ATTR(pir, 0400, show_pir, NULL); unsigned long dscr_default = 0; EXPORT_SYMBOL(dscr_default); +static void add_write_permission_dev_attr(struct device_attribute *attr) +{ + attr->attr.mode |= 0200; +} + static ssize_t show_dscr_default(struct device *dev, struct device_attribute *attr, char *buf) { @@ -394,8 +405,11 @@ static void register_cpu_online(unsigned int cpu) if (cpu_has_feature(CPU_FTR_MMCRA)) device_create_file(s, &dev_attr_mmcra); - if (cpu_has_feature(CPU_FTR_PURR)) + if (cpu_has_feature(CPU_FTR_PURR)) { + if (!firmware_has_feature(FW_FEATURE_LPAR)) + add_write_permission_dev_attr(&dev_attr_purr); device_create_file(s, &dev_attr_purr); + } if (cpu_has_feature(CPU_FTR_SPURR)) device_create_file(s, &dev_attr_spurr); diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 7b60b985146..cd809eaa8b5 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -79,6 +79,11 @@ _GLOBAL(tm_abort) TABORT(R3) blr + .section ".toc","aw" +DSCR_DEFAULT: + .tc dscr_default[TC],dscr_default + + .section ".text" /* void tm_reclaim(struct thread_struct *thread, * unsigned long orig_msr, @@ -123,6 +128,7 @@ _GLOBAL(tm_reclaim) mr r15, r14 ori r15, r15, MSR_FP li r16, MSR_RI + ori r16, r16, MSR_EE /* IRQs hard off */ andc r15, r15, r16 oris r15, r15, MSR_VEC@h #ifdef CONFIG_VSX @@ -187,11 +193,18 @@ dont_backup_fp: std r1, PACATMSCRATCH(r13) ld r1, PACAR1(r13) + /* Store the PPR in r11 and reset to decent value */ + std r11, GPR11(r1) /* Temporary stash */ + mfspr r11, SPRN_PPR + HMT_MEDIUM + /* Now get some more GPRS free */ std r7, GPR7(r1) /* Temporary stash */ std r12, GPR12(r1) /* '' '' '' */ ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */ + std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */ + addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */ /* Make r7 look like an exception frame so that we @@ -203,15 +216,19 @@ dont_backup_fp: SAVE_GPR(0, r7) /* user r0 */ SAVE_GPR(2, r7) /* user r2 */ SAVE_4GPRS(3, r7) /* user r3-r6 */ - SAVE_4GPRS(8, r7) /* user r8-r11 */ + SAVE_GPR(8, r7) /* user r8 */ + SAVE_GPR(9, r7) /* user r9 */ + SAVE_GPR(10, r7) /* user r10 */ ld r3, PACATMSCRATCH(r13) /* user r1 */ ld r4, GPR7(r1) /* user r7 */ - ld r5, GPR12(r1) /* user r12 */ - GET_SCRATCH0(6) /* user r13 */ + ld r5, GPR11(r1) /* user r11 */ + ld r6, GPR12(r1) /* user r12 */ + GET_SCRATCH0(8) /* user r13 */ std r3, GPR1(r7) std r4, GPR7(r7) - std r5, GPR12(r7) - std r6, GPR13(r7) + std r5, GPR11(r7) + std r6, GPR12(r7) + std r8, GPR13(r7) SAVE_NVGPRS(r7) /* user r14-r31 */ @@ -234,14 +251,12 @@ dont_backup_fp: std r6, _XER(r7) - /* ******************** TAR, PPR, DSCR ********** */ + /* ******************** TAR, DSCR ********** */ mfspr r3, SPRN_TAR - mfspr r4, SPRN_PPR - mfspr r5, SPRN_DSCR + mfspr r4, SPRN_DSCR std r3, THREAD_TM_TAR(r12) - std r4, THREAD_TM_PPR(r12) - std r5, THREAD_TM_DSCR(r12) + std r4, THREAD_TM_DSCR(r12) /* MSR and flags: We don't change CRs, and we don't need to alter * MSR. @@ -258,7 +273,7 @@ dont_backup_fp: std r3, THREAD_TM_TFHAR(r12) std r4, THREAD_TM_TFIAR(r12) - /* AMR and PPR are checkpointed too, but are unsupported by Linux. */ + /* AMR is checkpointed too, but is unsupported by Linux. */ /* Restore original MSR/IRQ state & clear TM mode */ ld r14, TM_FRAME_L0(r1) /* Orig MSR */ @@ -274,6 +289,12 @@ dont_backup_fp: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr @@ -358,25 +379,24 @@ dont_restore_fp: restore_gprs: - /* ******************** TAR, PPR, DSCR ********** */ - ld r4, THREAD_TM_TAR(r3) - ld r5, THREAD_TM_PPR(r3) - ld r6, THREAD_TM_DSCR(r3) + /* ******************** CR,LR,CCR,MSR ********** */ + ld r4, _CTR(r7) + ld r5, _LINK(r7) + ld r6, _CCR(r7) + ld r8, _XER(r7) - mtspr SPRN_TAR, r4 - mtspr SPRN_PPR, r5 - mtspr SPRN_DSCR, r6 + mtctr r4 + mtlr r5 + mtcr r6 + mtxer r8 - /* ******************** CR,LR,CCR,MSR ********** */ - ld r3, _CTR(r7) - ld r4, _LINK(r7) - ld r5, _CCR(r7) - ld r6, _XER(r7) + /* ******************** TAR ******************** */ + ld r4, THREAD_TM_TAR(r3) + mtspr SPRN_TAR, r4 - mtctr r3 - mtlr r4 - mtcr r5 - mtxer r6 + /* Load up the PPR and DSCR in GPRs only at this stage */ + ld r5, THREAD_TM_DSCR(r3) + ld r6, THREAD_TM_PPR(r3) /* Clear the MSR RI since we are about to change R1. EE is already off */ @@ -384,19 +404,26 @@ restore_gprs: mtmsrd r4, 1 REST_4GPRS(0, r7) /* GPR0-3 */ - REST_GPR(4, r7) /* GPR4-6 */ - REST_GPR(5, r7) - REST_GPR(6, r7) + REST_GPR(4, r7) /* GPR4 */ REST_4GPRS(8, r7) /* GPR8-11 */ REST_2GPRS(12, r7) /* GPR12-13 */ REST_NVGPRS(r7) /* GPR14-31 */ - ld r7, GPR7(r7) /* GPR7 */ + /* Load up PPR and DSCR here so we don't run with user values for long + */ + mtspr SPRN_DSCR, r5 + mtspr SPRN_PPR, r6 + + REST_GPR(5, r7) /* GPR5-7 */ + REST_GPR(6, r7) + ld r7, GPR7(r7) /* Commit register state as checkpointed state: */ TRECHKPT + HMT_MEDIUM + /* Our transactional state has now changed. * * Now just get out of here. Transactional (current) state will be @@ -419,6 +446,12 @@ restore_gprs: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr /* ****************************************************************** */ diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 78a350670de..d38cc08b16c 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -1530,11 +1530,15 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, const char *cp; dn = dev->of_node; - if (!dn) - return -ENODEV; + if (!dn) { + strcat(buf, "\n"); + return strlen(buf); + } cp = of_get_property(dn, "compatible", NULL); - if (!cp) - return -ENODEV; + if (!cp) { + strcat(buf, "\n"); + return strlen(buf); + } return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp); } diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S index 167f72555d6..57a07206505 100644 --- a/arch/powerpc/lib/checksum_64.S +++ b/arch/powerpc/lib/checksum_64.S @@ -226,19 +226,35 @@ _GLOBAL(csum_partial) blr - .macro source + .macro srcnr 100: .section __ex_table,"a" .align 3 - .llong 100b,.Lsrc_error + .llong 100b,.Lsrc_error_nr .previous .endm - .macro dest + .macro source +150: + .section __ex_table,"a" + .align 3 + .llong 150b,.Lsrc_error + .previous + .endm + + .macro dstnr 200: .section __ex_table,"a" .align 3 - .llong 200b,.Ldest_error + .llong 200b,.Ldest_error_nr + .previous + .endm + + .macro dest +250: + .section __ex_table,"a" + .align 3 + .llong 250b,.Ldest_error .previous .endm @@ -269,16 +285,16 @@ _GLOBAL(csum_partial_copy_generic) rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */ beq .Lcopy_aligned - li r7,4 - sub r6,r7,r6 + li r9,4 + sub r6,r9,r6 mtctr r6 1: -source; lhz r6,0(r3) /* align to doubleword */ +srcnr; lhz r6,0(r3) /* align to doubleword */ subi r5,r5,2 addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 bdnz 1b @@ -392,10 +408,10 @@ dest; std r16,56(r4) mtctr r6 3: -source; ld r6,0(r3) +srcnr; ld r6,0(r3) addi r3,r3,8 adde r0,r0,r6 -dest; std r6,0(r4) +dstnr; std r6,0(r4) addi r4,r4,8 bdnz 3b @@ -405,10 +421,10 @@ dest; std r6,0(r4) srdi. r6,r5,2 beq .Lcopy_tail_halfword -source; lwz r6,0(r3) +srcnr; lwz r6,0(r3) addi r3,r3,4 adde r0,r0,r6 -dest; stw r6,0(r4) +dstnr; stw r6,0(r4) addi r4,r4,4 subi r5,r5,4 @@ -416,10 +432,10 @@ dest; stw r6,0(r4) srdi. r6,r5,1 beq .Lcopy_tail_byte -source; lhz r6,0(r3) +srcnr; lhz r6,0(r3) addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 subi r5,r5,2 @@ -427,10 +443,10 @@ dest; sth r6,0(r4) andi. r6,r5,1 beq .Lcopy_finish -source; lbz r6,0(r3) +srcnr; lbz r6,0(r3) sldi r9,r6,8 /* Pad the byte out to 16 bits */ adde r0,r0,r9 -dest; stb r6,0(r4) +dstnr; stb r6,0(r4) .Lcopy_finish: addze r0,r0 /* add in final carry */ @@ -440,6 +456,11 @@ dest; stb r6,0(r4) blr .Lsrc_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Lsrc_error_nr: cmpdi 0,r7,0 beqlr li r6,-EFAULT @@ -447,6 +468,11 @@ dest; stb r6,0(r4) blr .Ldest_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Ldest_error_nr: cmpdi 0,r8,0 beqlr li r6,-EFAULT diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index a7ee978fb86..b1faa1593c9 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1505,6 +1505,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) */ if ((ra == 1) && !(regs->msr & MSR_PR) \ && (val3 >= (regs->gpr[1] - STACK_INT_FRAME_SIZE))) { +#ifdef CONFIG_PPC32 /* * Check if we will touch kernel sack overflow */ @@ -1513,7 +1514,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) err = -EINVAL; break; } - +#endif /* CONFIG_PPC32 */ /* * Check if we already set since that means we'll * lose the previous value. diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index d0cd9e4c683..8ed035d2edb 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -300,5 +300,9 @@ void vmemmap_free(unsigned long start, unsigned long end) { } +void register_page_bootmem_memmap(unsigned long section_nr, + struct page *start_page, unsigned long size) +{ +} #endif /* CONFIG_SPARSEMEM_VMEMMAP */ diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 1cf9c5b67f2..3fa93dc7fe7 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -297,12 +297,21 @@ void __init paging_init(void) } #endif /* ! CONFIG_NEED_MULTIPLE_NODES */ +static void __init register_page_bootmem_info(void) +{ + int i; + + for_each_online_node(i) + register_page_bootmem_info_node(NODE_DATA(i)); +} + void __init mem_init(void) { #ifdef CONFIG_SWIOTLB swiotlb_init(0); #endif + register_page_bootmem_info(); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); set_max_mapnr(max_pfn); free_all_bootmem(); diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 2ee4a707f0d..a3f7abd2f13 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -199,6 +199,7 @@ #define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1))) #define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1)) #define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8) +#define MMCR1_FAB_SHIFT 36 #define MMCR1_DC_QUAL_SHIFT 47 #define MMCR1_IC_QUAL_SHIFT 46 @@ -388,8 +389,8 @@ static int power8_compute_mmcr(u64 event[], int n_ev, * the threshold bits are used for the match value. */ if (event_is_fab_match(event[i])) { - mmcr1 |= (event[i] >> EVENT_THR_CTL_SHIFT) & - EVENT_THR_CTL_MASK; + mmcr1 |= ((event[i] >> EVENT_THR_CTL_SHIFT) & + EVENT_THR_CTL_MASK) << MMCR1_FAB_SHIFT; } else { val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK; mmcra |= val << MMCRA_THR_CTL_SHIFT; diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 1c1771a4025..24f58cb0a54 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -233,18 +233,24 @@ static void __init smp_init_pseries(void) alloc_bootmem_cpumask_var(&of_spin_mask); - /* Mark threads which are still spinning in hold loops. */ - if (cpu_has_feature(CPU_FTR_SMT)) { - for_each_present_cpu(i) { - if (cpu_thread_in_core(i) == 0) - cpumask_set_cpu(i, of_spin_mask); - } - } else { - cpumask_copy(of_spin_mask, cpu_present_mask); + /* + * Mark threads which are still spinning in hold loops + * + * We know prom_init will not have started them if RTAS supports + * query-cpu-stopped-state. + */ + if (rtas_token("query-cpu-stopped-state") == RTAS_UNKNOWN_SERVICE) { + if (cpu_has_feature(CPU_FTR_SMT)) { + for_each_present_cpu(i) { + if (cpu_thread_in_core(i) == 0) + cpumask_set_cpu(i, of_spin_mask); + } + } else + cpumask_copy(of_spin_mask, cpu_present_mask); + + cpumask_clear_cpu(boot_cpuid, of_spin_mask); } - cpumask_clear_cpu(boot_cpuid, of_spin_mask); - /* Non-lpar has additional take/give timebase */ if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) { smp_ops->give_timebase = rtas_give_timebase; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index dcc6ac2d802..7143793859f 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -93,6 +93,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_SAVE_PAGE_KEYS if HIBERNATION + select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS2 @@ -102,7 +103,6 @@ config S390 select GENERIC_TIME_VSYSCALL_OLD select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 - select HAVE_ARCH_MUTEX_CPU_RELAX select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h index 688271f5f2e..458c1f7fbc1 100644 --- a/arch/s390/include/asm/mutex.h +++ b/arch/s390/include/asm/mutex.h @@ -7,5 +7,3 @@ */ #include <asm-generic/mutex-dec.h> - -#define arch_mutex_cpu_relax() barrier() diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 0eb37505cab..ca7821f0726 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -198,6 +198,8 @@ static inline void cpu_relax(void) barrier(); } +#define arch_mutex_cpu_relax() barrier() + static inline void psw_set_key(unsigned int key) { asm volatile("spka 0(%0)" : : "d" (key)); diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 701fe8c59e1..83e5d216105 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -44,6 +44,11 @@ extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags); extern int arch_spin_trylock_retry(arch_spinlock_t *); extern void arch_spin_relax(arch_spinlock_t *lock); +static inline int arch_spin_value_unlocked(arch_spinlock_t lock) +{ + return lock.owner_cpu == 0; +} + static inline void arch_spin_lock(arch_spinlock_t *lp) { int old; diff --git a/arch/score/Kconfig b/arch/score/Kconfig index a1be70db75f..305f7ee1f38 100644 --- a/arch/score/Kconfig +++ b/arch/score/Kconfig @@ -2,6 +2,7 @@ menu "Machine selection" config SCORE def_bool y + select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_ATOMIC64 @@ -110,3 +111,6 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +config NO_IOMEM + def_bool y diff --git a/arch/score/Makefile b/arch/score/Makefile index 974aefe8612..9e3e060290e 100644 --- a/arch/score/Makefile +++ b/arch/score/Makefile @@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \ # KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_AFLAGS_MODULE += -mlong-calls -KBUILD_CFLAGS_MODULE += -mlong-calls +KBUILD_AFLAGS_MODULE += +KBUILD_CFLAGS_MODULE += LDFLAGS += --oformat elf32-littlescore LDFLAGS_vmlinux += -G0 -static -nostdlib diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h index f909ac3144a..961bd64015a 100644 --- a/arch/score/include/asm/checksum.h +++ b/arch/score/include/asm/checksum.h @@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, __wsum sum) { __asm__ __volatile__( - ".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t" - ".set\tnoat\n\t" - "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t" - "sltu\t$1, %0, %5\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %6\t\t\t# csum\n\t" - "sltu\t$1, %0, %6\n\t" - "lw\t%1, 0(%2)\t\t\t# four words source address\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 0(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "addu\t%0, $1\t\t\t# Add final carry\n\t" - ".set\tnoat\n\t" - ".set\tnoreorder" + ".set\tvolatile\t\t\t# csum_ipv6_magic\n\t" + "add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t" + "cmp.c\t%5, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %6\t\t\t# csum\n\t" + "cmp.c\t%6, %0\n\t" + "lw\t%1, [%2, 0]\t\t\t# four words source address\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "1:lw\t%1, [%2, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2,8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0,%1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 0]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:\n\t" + ".set\toptimize" : "=r" (sum), "=r" (proto) : "r" (saddr), "r" (daddr), "0" (htonl(len)), "1" (htonl(proto)), "r" (sum)); diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h index fbbfd7132e3..574c8827abe 100644 --- a/arch/score/include/asm/io.h +++ b/arch/score/include/asm/io.h @@ -5,5 +5,4 @@ #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt - #endif /* _ASM_SCORE_IO_H */ diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h index 059a61b7071..716b3fd1d86 100644 --- a/arch/score/include/asm/pgalloc.h +++ b/arch/score/include/asm/pgalloc.h @@ -2,7 +2,7 @@ #define _ASM_SCORE_PGALLOC_H #include <linux/mm.h> - +#include <linux/highmem.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S index 7234ed09b7b..befb87d30a8 100644 --- a/arch/score/kernel/entry.S +++ b/arch/score/kernel/entry.S @@ -264,7 +264,7 @@ resume_kernel: disable_irq lw r8, [r28, TI_PRE_COUNT] cmpz.c r8 - bne r8, restore_all + bne restore_all need_resched: lw r8, [r28, TI_FLAGS] andri.c r9, r8, _TIF_NEED_RESCHED @@ -415,7 +415,7 @@ ENTRY(handle_sys) sw r9, [r0, PT_EPC] cmpi.c r27, __NR_syscalls # check syscall number - bgeu illegal_syscall + bcs illegal_syscall slli r8, r27, 2 # get syscall routine la r11, sys_call_table diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index f4c6d02421d..a1519ad3d49 100644 --- a/arch/score/kernel/process.c +++ b/arch/score/kernel/process.c @@ -78,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.reg0 = (unsigned long) childregs; if (unlikely(p->flags & PF_KTHREAD)) { memset(childregs, 0, sizeof(struct pt_regs)); - p->thread->reg12 = usp; - p->thread->reg13 = arg; + p->thread.reg12 = usp; + p->thread.reg13 = arg; p->thread.reg3 = (unsigned long) ret_from_kernel_thread; } else { *childregs = *current_pt_regs(); diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 2137ad66743..78c4fdb91bc 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -506,12 +506,17 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. -# Makefile helper +# Makefile helpers config SPARC64_PCI bool default y depends on SPARC64 && PCI +config SPARC64_PCI_MSI + bool + default y + depends on SPARC64_PCI && PCI_MSI + endmenu menu "Executable file formats" diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index e204f902e6c..7c90c50c200 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -254,7 +254,7 @@ static int sun_fd_request_irq(void) once = 1; error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, - IRQF_DISABLED, "floppy", NULL); + 0, "floppy", NULL); return ((error == 0) ? 0 : -1); } diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index d432fb20358..d15cc1794b0 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -1,3 +1,4 @@ + # # Makefile for the linux kernel. # @@ -99,7 +100,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o -obj-$(CONFIG_PCI_MSI) += pci_msi.o +obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 62d6b153ffa..dff60abbea0 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -849,9 +849,8 @@ void ldom_reboot(const char *boot_command) if (boot_command && strlen(boot_command)) { unsigned long len; - strcpy(full_boot_str, "boot "); - strlcpy(full_boot_str + strlen("boot "), boot_command, - sizeof(full_boot_str + strlen("boot "))); + snprintf(full_boot_str, sizeof(full_boot_str), "boot %s", + boot_command); len = strlen(full_boot_str); if (reboot_data_supported) { diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index 54df554b82d..e01d75d4032 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1249,12 +1249,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name) snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); - err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED, + err = request_irq(lp->cfg.rx_irq, ldc_rx, 0, lp->rx_irq_name, lp); if (err) return err; - err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED, + err = request_irq(lp->cfg.tx_irq, ldc_tx, 0, lp->tx_irq_name, lp); if (err) { free_irq(lp->cfg.rx_irq, lp); diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 6aef9fbc09b..b913915e8e6 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -79,30 +79,38 @@ static inline int phys_to_machine_mapping_valid(unsigned long pfn) return get_phys_to_machine(pfn) != INVALID_P2M_ENTRY; } -static inline unsigned long mfn_to_pfn(unsigned long mfn) +static inline unsigned long mfn_to_pfn_no_overrides(unsigned long mfn) { unsigned long pfn; - int ret = 0; + int ret; if (xen_feature(XENFEAT_auto_translated_physmap)) return mfn; - if (unlikely(mfn >= machine_to_phys_nr)) { - pfn = ~0; - goto try_override; - } - pfn = 0; + if (unlikely(mfn >= machine_to_phys_nr)) + return ~0; + /* * The array access can fail (e.g., device space beyond end of RAM). * In such cases it doesn't matter what we return (we return garbage), * but we must handle the fault without crashing! */ ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); -try_override: - /* ret might be < 0 if there are no entries in the m2p for mfn */ if (ret < 0) - pfn = ~0; - else if (get_phys_to_machine(pfn) != mfn) + return ~0; + + return pfn; +} + +static inline unsigned long mfn_to_pfn(unsigned long mfn) +{ + unsigned long pfn; + + if (xen_feature(XENFEAT_auto_translated_physmap)) + return mfn; + + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) != mfn) { /* * If this appears to be a foreign mfn (because the pfn * doesn't map back to the mfn), then check the local override @@ -111,6 +119,7 @@ try_override: * m2p_find_override_pfn returns ~0 if it doesn't find anything. */ pfn = m2p_find_override_pfn(mfn, ~0); + } /* * pfn is ~0 if there are no entries in the m2p for mfn or if the diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 8355c84b972..897783b3302 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1506,7 +1506,7 @@ static int __init init_hw_perf_events(void) err = amd_pmu_init(); break; default: - return 0; + err = -ENOTSUPP; } if (err != 0) { pr_cont("no PMU driver, software events only.\n"); @@ -1883,9 +1883,9 @@ static struct pmu pmu = { void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) { - userpg->cap_usr_time = 0; - userpg->cap_usr_time_zero = 0; - userpg->cap_usr_rdpmc = x86_pmu.attr_rdpmc; + userpg->cap_user_time = 0; + userpg->cap_user_time_zero = 0; + userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc; userpg->pmc_width = x86_pmu.cntval_bits; if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) @@ -1894,13 +1894,13 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) return; - userpg->cap_usr_time = 1; + userpg->cap_user_time = 1; userpg->time_mult = this_cpu_read(cyc2ns); userpg->time_shift = CYC2NS_SCALE_FACTOR; userpg->time_offset = this_cpu_read(cyc2ns_offset) - now; if (sched_clock_stable && !check_tsc_disabled()) { - userpg->cap_usr_time_zero = 1; + userpg->cap_user_time_zero = 1; userpg->time_zero = this_cpu_read(cyc2ns_offset); } } diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 9db76c31b3c..f31a1655d1f 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2325,6 +2325,7 @@ __init int intel_pmu_init(void) break; case 55: /* Atom 22nm "Silvermont" */ + case 77: /* Avoton "Silvermont" */ memcpy(hw_cache_event_ids, slm_hw_cache_event_ids, sizeof(hw_cache_event_ids)); memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs, diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index 8ed44589b0e..4118f9f6831 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -2706,14 +2706,14 @@ static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box) box->hrtimer.function = uncore_pmu_hrtimer; } -struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cpu) +static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int node) { struct intel_uncore_box *box; int i, size; size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg); - box = kzalloc_node(size, GFP_KERNEL, cpu_to_node(cpu)); + box = kzalloc_node(size, GFP_KERNEL, node); if (!box) return NULL; @@ -3031,7 +3031,7 @@ static int uncore_validate_group(struct intel_uncore_pmu *pmu, struct intel_uncore_box *fake_box; int ret = -EINVAL, n; - fake_box = uncore_alloc_box(pmu->type, smp_processor_id()); + fake_box = uncore_alloc_box(pmu->type, NUMA_NO_NODE); if (!fake_box) return -ENOMEM; @@ -3294,7 +3294,7 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id } type = pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data)]; - box = uncore_alloc_box(type, 0); + box = uncore_alloc_box(type, NUMA_NO_NODE); if (!box) return -ENOMEM; @@ -3499,7 +3499,7 @@ static int uncore_cpu_prepare(int cpu, int phys_id) if (pmu->func_id < 0) pmu->func_id = j; - box = uncore_alloc_box(type, cpu); + box = uncore_alloc_box(type, cpu_to_node(cpu)); if (!box) return -ENOMEM; diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 7123b5df479..af99f71aeb7 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -216,6 +216,7 @@ int apply_microcode_amd(int cpu) /* need to apply patch? */ if (rev >= mc_amd->hdr.patch_id) { c->microcode = rev; + uci->cpu_sig.rev = rev; return 0; } diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 563ed91e6fa..e643e744e4d 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -352,12 +352,28 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { }, { /* Handle problems with rebooting on the Precision M6600. */ .callback = set_pci_reboot, - .ident = "Dell OptiPlex 990", + .ident = "Dell Precision M6600", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"), }, }, + { /* Handle problems with rebooting on the Dell PowerEdge C6100. */ + .callback = set_pci_reboot, + .ident = "Dell PowerEdge C6100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "C6100"), + }, + }, + { /* Some C6100 machines were shipped with vendor being 'Dell'. */ + .callback = set_pci_reboot, + .ident = "Dell PowerEdge C6100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell"), + DMI_MATCH(DMI_PRODUCT_NAME, "C6100"), + }, + }, { } }; diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c index 22513e96b01..86179d40989 100644 --- a/arch/x86/kernel/sysfb_simplefb.c +++ b/arch/x86/kernel/sysfb_simplefb.c @@ -72,14 +72,14 @@ __init int create_simplefb(const struct screen_info *si, * the part that is occupied by the framebuffer */ len = mode->height * mode->stride; len = PAGE_ALIGN(len); - if (len > si->lfb_size << 16) { + if (len > (u64)si->lfb_size << 16) { printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); return -EINVAL; } /* setup IORESOURCE_MEM as framebuffer memory */ memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM; + res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; res.name = simplefb_resname; res.start = si->lfb_base; res.end = si->lfb_base + len - 1; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a1216de9ffd..3b8e7459dd4 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -5345,7 +5345,9 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) * There are errata that may cause this bit to not be set: * AAK134, BY25. */ - if (exit_qualification & INTR_INFO_UNBLOCK_NMI) + if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) && + cpu_has_virtual_nmis() && + (exit_qualification & INTR_INFO_UNBLOCK_NMI)) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS); diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 5596c7bdd32..082e8812971 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -700,7 +700,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, if (!(pci_probe & PCI_PROBE_MMCONF) || pci_mmcfg_arch_init_failed) return -ENODEV; - if (start > end || !addr) + if (start > end) return -EINVAL; mutex_lock(&pci_mmcfg_lock); @@ -716,6 +716,11 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, return -EEXIST; } + if (!addr) { + mutex_unlock(&pci_mmcfg_lock); + return -EINVAL; + } + rc = -EBUSY; cfg = pci_mmconfig_alloc(seg, start, end, addr); if (cfg == NULL) { diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 90f6ed12709..c7e22ab29a5 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -912,10 +912,13 @@ void __init efi_enter_virtual_mode(void) for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { md = p; - if (!(md->attribute & EFI_MEMORY_RUNTIME) && - md->type != EFI_BOOT_SERVICES_CODE && - md->type != EFI_BOOT_SERVICES_DATA) - continue; + if (!(md->attribute & EFI_MEMORY_RUNTIME)) { +#ifdef CONFIG_X86_64 + if (md->type != EFI_BOOT_SERVICES_CODE && + md->type != EFI_BOOT_SERVICES_DATA) +#endif + continue; + } size = md->num_pages << EFI_PAGE_SHIFT; end = md->phys_addr + size; diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 8b901e8d782..a61c7d5811b 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -879,7 +879,6 @@ int m2p_add_override(unsigned long mfn, struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); if (!PageHighMem(page)) { @@ -926,8 +925,8 @@ int m2p_add_override(unsigned long mfn, struct page *page, * frontend pages while they are being shared with the backend, * because mfn_to_pfn (that ends up being called by GUPF) will * return the backend pfn rather than the frontend pfn. */ - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == mfn) + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == mfn) set_phys_to_machine(pfn, FOREIGN_FRAME(mfn)); return 0; @@ -942,7 +941,6 @@ int m2p_remove_override(struct page *page, unsigned long uninitialized_var(address); unsigned level; pte_t *ptep = NULL; - int ret = 0; pfn = page_to_pfn(page); mfn = get_phys_to_machine(pfn); @@ -1029,8 +1027,8 @@ int m2p_remove_override(struct page *page, * the original pfn causes mfn_to_pfn(mfn) to return the frontend * pfn again. */ mfn &= ~FOREIGN_FRAME_BIT; - ret = __get_user(pfn, &machine_to_phys_mapping[mfn]); - if (ret == 0 && get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && + pfn = mfn_to_pfn_no_overrides(mfn); + if (get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) && m2p_find_override(mfn) == NULL) set_phys_to_machine(pfn, mfn); diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 253f63fceea..be6b8607895 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -259,6 +259,14 @@ void xen_uninit_lock_cpu(int cpu) } +/* + * Our init of PV spinlocks is split in two init functions due to us + * using paravirt patching and jump labels patching and having to do + * all of this before SMP code is invoked. + * + * The paravirt patching needs to be done _before_ the alternative asm code + * is started, otherwise we would not patch the core kernel code. + */ void __init xen_init_spinlocks(void) { @@ -267,12 +275,26 @@ void __init xen_init_spinlocks(void) return; } - static_key_slow_inc(¶virt_ticketlocks_enabled); - pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(xen_lock_spinning); pv_lock_ops.unlock_kick = xen_unlock_kick; } +/* + * While the jump_label init code needs to happend _after_ the jump labels are + * enabled and before SMP is started. Hence we use pre-SMP initcall level + * init. We cannot do it in xen_init_spinlocks as that is done before + * jump labels are activated. + */ +static __init int xen_init_spinlocks_jump(void) +{ + if (!xen_pvspin) + return 0; + + static_key_slow_inc(¶virt_ticketlocks_enabled); + return 0; +} +early_initcall(xen_init_spinlocks_jump); + static __init int xen_parse_nopvspin(char *arg) { xen_pvspin = false; diff --git a/block/Kconfig b/block/Kconfig index 7f38e40fee0..2429515c05c 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -99,11 +99,16 @@ config BLK_DEV_THROTTLING See Documentation/cgroups/blkio-controller.txt for more information. -config CMDLINE_PARSER +config BLK_CMDLINE_PARSER bool "Block device command line partition parser" default n ---help--- - Parsing command line, get the partitions information. + Enabling this option allows you to specify the partition layout from + the kernel boot args. This is typically of use for embedded devices + which don't otherwise have any standardized method for listing the + partitions on a block device. + + See Documentation/block/cmdline-partition.txt for more information. menu "Partition Types" diff --git a/block/Makefile b/block/Makefile index 4fa4be544ec..671a83d063a 100644 --- a/block/Makefile +++ b/block/Makefile @@ -18,4 +18,4 @@ obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o -obj-$(CONFIG_CMDLINE_PARSER) += cmdline-parser.o +obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o diff --git a/block/partitions/Kconfig b/block/partitions/Kconfig index 87a32086535..9b29a996c31 100644 --- a/block/partitions/Kconfig +++ b/block/partitions/Kconfig @@ -263,7 +263,7 @@ config SYSV68_PARTITION config CMDLINE_PARTITION bool "Command line partition support" if PARTITION_ADVANCED - select CMDLINE_PARSER + select BLK_CMDLINE_PARSER help - Say Y here if you would read the partitions table from bootargs. + Say Y here if you want to read the partition table from bootargs. The format for the command line is just like mtdparts. diff --git a/block/partitions/cmdline.c b/block/partitions/cmdline.c index 56cf4ffad51..5141b563adf 100644 --- a/block/partitions/cmdline.c +++ b/block/partitions/cmdline.c @@ -2,15 +2,15 @@ * Copyright (C) 2013 HUAWEI * Author: Cai Zhiyong <caizhiyong@huawei.com> * - * Read block device partition table from command line. - * The partition used for fixed block device (eMMC) embedded device. - * It is no MBR, save storage space. Bootloader can be easily accessed + * Read block device partition table from the command line. + * Typically used for fixed block (eMMC) embedded devices. + * It has no MBR, so saves storage space. Bootloader can be easily accessed * by absolute address of data on the block device. * Users can easily change the partition. * * The format for the command line is just like mtdparts. * - * Verbose config please reference "Documentation/block/cmdline-partition.txt" + * For further information, see "Documentation/block/cmdline-partition.txt" * */ diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c index f40acef8026..a6977e12d57 100644 --- a/drivers/acpi/acpi_ipmi.c +++ b/drivers/acpi/acpi_ipmi.c @@ -39,6 +39,7 @@ #include <linux/ipmi.h> #include <linux/device.h> #include <linux/pnp.h> +#include <linux/spinlock.h> MODULE_AUTHOR("Zhao Yakui"); MODULE_DESCRIPTION("ACPI IPMI Opregion driver"); @@ -57,7 +58,7 @@ struct acpi_ipmi_device { struct list_head head; /* the IPMI request message list */ struct list_head tx_msg_list; - struct mutex tx_msg_lock; + spinlock_t tx_msg_lock; acpi_handle handle; struct pnp_dev *pnp_dev; ipmi_user_t user_interface; @@ -147,6 +148,7 @@ static void acpi_format_ipmi_msg(struct acpi_ipmi_msg *tx_msg, struct kernel_ipmi_msg *msg; struct acpi_ipmi_buffer *buffer; struct acpi_ipmi_device *device; + unsigned long flags; msg = &tx_msg->tx_message; /* @@ -177,10 +179,10 @@ static void acpi_format_ipmi_msg(struct acpi_ipmi_msg *tx_msg, /* Get the msgid */ device = tx_msg->device; - mutex_lock(&device->tx_msg_lock); + spin_lock_irqsave(&device->tx_msg_lock, flags); device->curr_msgid++; tx_msg->tx_msgid = device->curr_msgid; - mutex_unlock(&device->tx_msg_lock); + spin_unlock_irqrestore(&device->tx_msg_lock, flags); } static void acpi_format_ipmi_response(struct acpi_ipmi_msg *msg, @@ -242,6 +244,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data) int msg_found = 0; struct acpi_ipmi_msg *tx_msg; struct pnp_dev *pnp_dev = ipmi_device->pnp_dev; + unsigned long flags; if (msg->user != ipmi_device->user_interface) { dev_warn(&pnp_dev->dev, "Unexpected response is returned. " @@ -250,7 +253,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data) ipmi_free_recv_msg(msg); return; } - mutex_lock(&ipmi_device->tx_msg_lock); + spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags); list_for_each_entry(tx_msg, &ipmi_device->tx_msg_list, head) { if (msg->msgid == tx_msg->tx_msgid) { msg_found = 1; @@ -258,7 +261,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data) } } - mutex_unlock(&ipmi_device->tx_msg_lock); + spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags); if (!msg_found) { dev_warn(&pnp_dev->dev, "Unexpected response (msg id %ld) is " "returned.\n", msg->msgid); @@ -378,6 +381,7 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address, struct acpi_ipmi_device *ipmi_device = handler_context; int err, rem_time; acpi_status status; + unsigned long flags; /* * IPMI opregion message. * IPMI message is firstly written to the BMC and system software @@ -395,9 +399,9 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address, return AE_NO_MEMORY; acpi_format_ipmi_msg(tx_msg, address, value); - mutex_lock(&ipmi_device->tx_msg_lock); + spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags); list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list); - mutex_unlock(&ipmi_device->tx_msg_lock); + spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags); err = ipmi_request_settime(ipmi_device->user_interface, &tx_msg->addr, tx_msg->tx_msgid, @@ -413,9 +417,9 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address, status = AE_OK; end_label: - mutex_lock(&ipmi_device->tx_msg_lock); + spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags); list_del(&tx_msg->head); - mutex_unlock(&ipmi_device->tx_msg_lock); + spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags); kfree(tx_msg); return status; } @@ -457,7 +461,7 @@ static void acpi_add_ipmi_device(struct acpi_ipmi_device *ipmi_device) INIT_LIST_HEAD(&ipmi_device->head); - mutex_init(&ipmi_device->tx_msg_lock); + spin_lock_init(&ipmi_device->tx_msg_lock); INIT_LIST_HEAD(&ipmi_device->tx_msg_list); ipmi_install_space_handler(ipmi_device); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index fbdb82e70d1..407ad13cac2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -968,7 +968,7 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device) } return 0; } -EXPORT_SYMBOL_GPL(acpi_bus_get_device); +EXPORT_SYMBOL(acpi_bus_get_device); int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)) @@ -1121,7 +1121,7 @@ int acpi_bus_register_driver(struct acpi_driver *driver) EXPORT_SYMBOL(acpi_bus_register_driver); /** - * acpi_bus_unregister_driver - unregisters a driver with the APIC bus + * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus * @driver: driver to unregister * * Unregisters a driver with the ACPI bus. Searches the namespace for all diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 958ba2a420c..97f4acb54ad 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -2,7 +2,7 @@ * sata_promise.c - Promise SATA * * Maintained by: Tejun Heo <tj@kernel.org> - * Mikael Pettersson <mikpe@it.uu.se> + * Mikael Pettersson * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * diff --git a/drivers/base/core.c b/drivers/base/core.c index c7cfadcf675..34abf4d8a45 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2017,7 +2017,7 @@ EXPORT_SYMBOL_GPL(device_move); */ void device_shutdown(void) { - struct device *dev; + struct device *dev, *parent; spin_lock(&devices_kset->list_lock); /* @@ -2034,7 +2034,7 @@ void device_shutdown(void) * prevent it from being freed because parent's * lock is to be held */ - get_device(dev->parent); + parent = get_device(dev->parent); get_device(dev); /* * Make sure the device is off the kset list, in the @@ -2044,8 +2044,8 @@ void device_shutdown(void) spin_unlock(&devices_kset->list_lock); /* hold lock to avoid race with probe/release */ - if (dev->parent) - device_lock(dev->parent); + if (parent) + device_lock(parent); device_lock(dev); /* Don't allow any more runtime suspends */ @@ -2063,11 +2063,11 @@ void device_shutdown(void) } device_unlock(dev); - if (dev->parent) - device_unlock(dev->parent); + if (parent) + device_unlock(parent); put_device(dev); - put_device(dev->parent); + put_device(parent); spin_lock(&devices_kset->list_lock); } diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index c9fd6943ce4..50329d1057e 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -210,25 +210,6 @@ static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc) } } -static void bcma_core_pci_power_save(struct bcma_drv_pci *pc, bool up) -{ - u16 data; - - if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) { - data = up ? 0x74 : 0x7C; - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64); - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); - } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) { - data = up ? 0x75 : 0x7D; - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65); - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); - } -} - /************************************************** * Init. **************************************************/ @@ -255,6 +236,32 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc) bcma_core_pci_clientmode_init(pc); } +void bcma_core_pci_power_save(struct bcma_bus *bus, bool up) +{ + struct bcma_drv_pci *pc; + u16 data; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + pc = &bus->drv_pci[0]; + + if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) { + data = up ? 0x74 : 0x7C; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) { + data = up ? 0x75 : 0x7D; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } +} +EXPORT_SYMBOL_GPL(bcma_core_pci_power_save); + int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable) { @@ -310,8 +317,6 @@ void bcma_core_pci_up(struct bcma_bus *bus) pc = &bus->drv_pci[0]; - bcma_core_pci_power_save(pc, true); - bcma_core_pci_extend_L1timer(pc, true); } EXPORT_SYMBOL_GPL(bcma_core_pci_up); @@ -326,7 +331,5 @@ void bcma_core_pci_down(struct bcma_bus *bus) pc = &bus->drv_pci[0]; bcma_core_pci_extend_L1timer(pc, false); - - bcma_core_pci_power_save(pc, false); } EXPORT_SYMBOL_GPL(bcma_core_pci_down); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index d2d95ff5353..edfa2515bc8 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1189,6 +1189,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode, int err; u32 cp; + memset(&arg64, 0, sizeof(arg64)); err = 0; err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 639d26b90b9..2b944038453 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1193,6 +1193,7 @@ out_passthru: ida_pci_info_struct pciinfo; if (!arg) return -EINVAL; + memset(&pciinfo, 0, sizeof(pciinfo)); pciinfo.bus = host->pci_dev->bus->number; pciinfo.dev_fn = host->pci_dev->devfn; pciinfo.board_id = host->board_id; diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index a12b923bbac..0a327f4154a 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -85,6 +85,7 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x04CA, 0x3008) }, { USB_DEVICE(0x13d3, 0x3362) }, { USB_DEVICE(0x0CF3, 0xE004) }, + { USB_DEVICE(0x0CF3, 0xE005) }, { USB_DEVICE(0x0930, 0x0219) }, { USB_DEVICE(0x0489, 0xe057) }, { USB_DEVICE(0x13d3, 0x3393) }, @@ -126,6 +127,7 @@ static struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 8e16f0af635..f3dfc0a88fd 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -102,6 +102,7 @@ static struct usb_device_id btusb_table[] = { /* Broadcom BCM20702A0 */ { USB_DEVICE(0x0b05, 0x17b5) }, + { USB_DEVICE(0x0b05, 0x17cb) }, { USB_DEVICE(0x04ca, 0x2003) }, { USB_DEVICE(0x0489, 0xe042) }, { USB_DEVICE(0x413c, 0x8197) }, @@ -112,6 +113,9 @@ static struct usb_device_id btusb_table[] = { /*Broadcom devices with vendor specific id */ { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, + /* Belkin F8065bf - Broadcom based */ + { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, + { } /* Terminating entry */ }; @@ -148,6 +152,7 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index 19ab6ff53d5..2394e9753ef 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, phys_addr_t sdramwins_phys_base, size_t sdramwins_size) { + struct device_node *np; int win; mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size); @@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, return -ENOMEM; } - if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric")) + np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"); + if (np) { mbus->hw_io_coherency = 1; + of_node_put(np); + } for (win = 0; win < mbus->soc->num_wins; win++) mvebu_mbus_disable_window(mbus, win); @@ -861,11 +865,13 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np, int ret; /* - * These are optional, so we clear them and they'll - * be zero if they are missing from the DT. + * These are optional, so we make sure that resource_size(x) will + * return 0. */ memset(mem, 0, sizeof(struct resource)); + mem->end = -1; memset(io, 0, sizeof(struct resource)); + io->end = -1; ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg)); if (!ret) { diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 7a7929ba265..06189e55b4e 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -142,32 +142,6 @@ static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count) return length; } -ssize_t tpm_show_locality(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct tpm_chip *chip = dev_get_drvdata(dev); - struct tpm_private *priv = TPM_VPRIV(chip); - u8 locality = priv->shr->locality; - - return sprintf(buf, "%d\n", locality); -} - -ssize_t tpm_store_locality(struct device *dev, struct device_attribute *attr, - const char *buf, size_t len) -{ - struct tpm_chip *chip = dev_get_drvdata(dev); - struct tpm_private *priv = TPM_VPRIV(chip); - u8 val; - - int rv = kstrtou8(buf, 0, &val); - if (rv) - return rv; - - priv->shr->locality = val; - - return len; -} - static const struct file_operations vtpm_ops = { .owner = THIS_MODULE, .llseek = no_llseek, @@ -188,8 +162,6 @@ static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps, NULL); static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel); static DEVICE_ATTR(durations, S_IRUGO, tpm_show_durations, NULL); static DEVICE_ATTR(timeouts, S_IRUGO, tpm_show_timeouts, NULL); -static DEVICE_ATTR(locality, S_IRUGO | S_IWUSR, tpm_show_locality, - tpm_store_locality); static struct attribute *vtpm_attrs[] = { &dev_attr_pubek.attr, @@ -202,7 +174,6 @@ static struct attribute *vtpm_attrs[] = { &dev_attr_cancel.attr, &dev_attr_durations.attr, &dev_attr_timeouts.attr, - &dev_attr_locality.attr, NULL, }; @@ -210,8 +181,6 @@ static struct attribute_group vtpm_attr_grp = { .attrs = vtpm_attrs, }; -#define TPM_LONG_TIMEOUT (10 * 60 * HZ) - static const struct tpm_vendor_specific tpm_vtpm = { .status = vtpm_status, .recv = vtpm_recv, @@ -224,11 +193,6 @@ static const struct tpm_vendor_specific tpm_vtpm = { .miscdev = { .fops = &vtpm_ops, }, - .duration = { - TPM_LONG_TIMEOUT, - TPM_LONG_TIMEOUT, - TPM_LONG_TIMEOUT, - }, }; static irqreturn_t tpmif_interrupt(int dummy, void *dev_id) diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 3413380086d..8eb4799237f 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -8,6 +8,4 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o -ifdef CONFIG_COMMON_CLK obj-$(CONFIG_ARCH_S3C64XX) += clk-s3c64xx.o -endif diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 41c69469ce2..971d796e071 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -26,6 +26,7 @@ config DW_APB_TIMER_OF config ARMADA_370_XP_TIMER bool + select CLKSRC_OF config ORION_TIMER select CLKSRC_OF diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c index 37f5325bec9..b9ddd9e3a2f 100644 --- a/drivers/clocksource/clksrc-of.c +++ b/drivers/clocksource/clksrc-of.c @@ -30,6 +30,9 @@ void __init clocksource_of_init(void) clocksource_of_init_fn init_func; for_each_matching_node_and_match(np, __clksrc_of_table, &match) { + if (!of_device_is_available(np)) + continue; + init_func = match->data; init_func(np); } diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c index b9c81b7c3a3..3a5909c12d4 100644 --- a/drivers/clocksource/em_sti.c +++ b/drivers/clocksource/em_sti.c @@ -301,7 +301,7 @@ static void em_sti_register_clockevent(struct em_sti_priv *p) ced->name = dev_name(&p->pdev->dev); ced->features = CLOCK_EVT_FEAT_ONESHOT; ced->rating = 200; - ced->cpumask = cpumask_of(0); + ced->cpumask = cpu_possible_mask; ced->set_next_event = em_sti_clock_event_next; ced->set_mode = em_sti_clock_event_mode; diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 5b34768f4d7..62b0de6a183 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -428,7 +428,6 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt) evt->irq); return -EIO; } - irq_set_affinity(evt->irq, cpumask_of(cpu)); } else { enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0); } @@ -449,6 +448,7 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { struct mct_clock_event_device *mevt; + unsigned int cpu; /* * Grab cpu pointer in each case to avoid spurious @@ -459,6 +459,12 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self, mevt = this_cpu_ptr(&percpu_mct_tick); exynos4_local_timer_setup(&mevt->evt); break; + case CPU_ONLINE: + cpu = (unsigned long)hcpu; + if (mct_int_type == MCT_INT_SPI) + irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu], + cpumask_of(cpu)); + break; case CPU_DYING: mevt = this_cpu_ptr(&percpu_mct_tick); exynos4_local_timer_stop(&mevt->evt); @@ -500,6 +506,8 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem &percpu_mct_tick); WARN(err, "MCT: can't request IRQ %d (%d)\n", mct_irqs[MCT_L0_IRQ], err); + } else { + irq_set_affinity(mct_irqs[MCT_L0_IRQ], cpumask_of(0)); } err = register_cpu_notifier(&exynos4_mct_cpu_nb); diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index a1260b4549d..d2c3253e015 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -986,6 +986,10 @@ static int __init acpi_cpufreq_init(void) { int ret; + /* don't keep reloading if cpufreq_driver exists */ + if (cpufreq_get_current_driver()) + return 0; + if (acpi_disabled) return 0; diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 78c49d8e0f4..c522a95c0e1 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -229,7 +229,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) if (of_property_read_u32(np, "clock-latency", &transition_latency)) transition_latency = CPUFREQ_ETERNAL; - if (cpu_reg) { + if (!IS_ERR(cpu_reg)) { struct opp *opp; unsigned long min_uV, max_uV; int i; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 89b3c52cd5c..04548f7023a 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1460,6 +1460,9 @@ unsigned int cpufreq_get(unsigned int cpu) { unsigned int ret_freq = 0; + if (cpufreq_disabled() || !cpufreq_driver) + return -ENOENT; + if (!down_read_trylock(&cpufreq_rwsem)) return 0; diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c index d514c152fd1..be5380ecdcd 100644 --- a/drivers/cpufreq/exynos5440-cpufreq.c +++ b/drivers/cpufreq/exynos5440-cpufreq.c @@ -457,7 +457,7 @@ err_free_table: opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table); err_put_node: of_node_put(np); - dev_err(dvfs_info->dev, "%s: failed initialization\n", __func__); + dev_err(&pdev->dev, "%s: failed initialization\n", __func__); return ret; } diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c index f7c99df0880..3d79bca4743 100644 --- a/drivers/cpufreq/integrator-cpufreq.c +++ b/drivers/cpufreq/integrator-cpufreq.c @@ -15,18 +15,19 @@ #include <linux/smp.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_address.h> -#include <mach/hardware.h> -#include <mach/platform.h> #include <asm/mach-types.h> #include <asm/hardware/icst.h> -static struct cpufreq_driver integrator_driver; +static void __iomem *cm_base; +/* The cpufreq driver only use the OSC register */ +#define INTEGRATOR_HDR_OSC_OFFSET 0x08 +#define INTEGRATOR_HDR_LOCK_OFFSET 0x14 -#define CM_ID __io_address(INTEGRATOR_HDR_ID) -#define CM_OSC __io_address(INTEGRATOR_HDR_OSC) -#define CM_STAT __io_address(INTEGRATOR_HDR_STAT) -#define CM_LOCK __io_address(INTEGRATOR_HDR_LOCK) +static struct cpufreq_driver integrator_driver; static const struct icst_params lclk_params = { .ref = 24000000, @@ -100,7 +101,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, BUG_ON(cpu != smp_processor_id()); /* get current setting */ - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { vco.s = (cm_osc >> 8) & 7; @@ -128,7 +129,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { cm_osc &= 0xfffff800; @@ -138,9 +139,9 @@ static int integrator_set_target(struct cpufreq_policy *policy, } cm_osc |= vco.v; - __raw_writel(0xa05f, CM_LOCK); - __raw_writel(cm_osc, CM_OSC); - __raw_writel(0, CM_LOCK); + __raw_writel(0xa05f, cm_base + INTEGRATOR_HDR_LOCK_OFFSET); + __raw_writel(cm_osc, cm_base + INTEGRATOR_HDR_OSC_OFFSET); + __raw_writel(0, cm_base + INTEGRATOR_HDR_LOCK_OFFSET); /* * Restore the CPUs allowed mask. @@ -165,7 +166,7 @@ static unsigned int integrator_get(unsigned int cpu) BUG_ON(cpu != smp_processor_id()); /* detect memory etc. */ - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { vco.s = (cm_osc >> 8) & 7; @@ -202,19 +203,43 @@ static struct cpufreq_driver integrator_driver = { .name = "integrator", }; -static int __init integrator_cpu_init(void) +static int __init integrator_cpufreq_probe(struct platform_device *pdev) { + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + cm_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!cm_base) + return -ENODEV; + return cpufreq_register_driver(&integrator_driver); } -static void __exit integrator_cpu_exit(void) +static void __exit integrator_cpufreq_remove(struct platform_device *pdev) { cpufreq_unregister_driver(&integrator_driver); } +static const struct of_device_id integrator_cpufreq_match[] = { + { .compatible = "arm,core-module-integrator"}, + { }, +}; + +static struct platform_driver integrator_cpufreq_driver = { + .driver = { + .name = "integrator-cpufreq", + .owner = THIS_MODULE, + .of_match_table = integrator_cpufreq_match, + }, + .remove = __exit_p(integrator_cpufreq_remove), +}; + +module_platform_driver_probe(integrator_cpufreq_driver, + integrator_cpufreq_probe); + MODULE_AUTHOR ("Russell M. King"); MODULE_DESCRIPTION ("cpufreq driver for ARM Integrator CPUs"); MODULE_LICENSE ("GPL"); - -module_init(integrator_cpu_init); -module_exit(integrator_cpu_exit); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9733f29ed14..32b3479a240 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -394,7 +394,10 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + if (limits.no_turbo) + wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8)); + else + wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); } diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 19e364fa595..3f418166ce0 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -113,7 +113,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { struct cpufreq_freqs freqs; - unsigned long newfreq; + long newfreq; struct clk *srcclk; int index, ret, mult = 1; diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm index 8e366032230..d6f57d5d963 100644 --- a/drivers/cpuidle/Kconfig.arm +++ b/drivers/cpuidle/Kconfig.arm @@ -4,7 +4,7 @@ config ARM_HIGHBANK_CPUIDLE bool "CPU Idle Driver for Calxeda processors" - depends on ARCH_HIGHBANK + depends on ARM_PSCI select ARM_CPU_SUSPEND help Select this to enable cpuidle on Calxeda processors. diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c index 34605847957..36795639df0 100644 --- a/drivers/cpuidle/cpuidle-calxeda.c +++ b/drivers/cpuidle/cpuidle-calxeda.c @@ -21,53 +21,30 @@ */ #include <linux/cpuidle.h> +#include <linux/cpu_pm.h> #include <linux/init.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/time.h> -#include <linux/delay.h> -#include <linux/suspend.h> +#include <linux/mm.h> +#include <linux/platform_device.h> #include <asm/cpuidle.h> -#include <asm/proc-fns.h> -#include <asm/smp_scu.h> #include <asm/suspend.h> -#include <asm/cacheflush.h> -#include <asm/cp15.h> - -extern void highbank_set_cpu_jump(int cpu, void *jump_addr); -extern void __iomem *scu_base_addr; - -static noinline void calxeda_idle_restore(void) -{ - set_cr(get_cr() | CR_C); - set_auxcr(get_auxcr() | 0x40); - scu_power_mode(scu_base_addr, SCU_PM_NORMAL); -} +#include <asm/psci.h> static int calxeda_idle_finish(unsigned long val) { - /* Already flushed cache, but do it again as the outer cache functions - * dirty the cache with spinlocks */ - flush_cache_all(); - - set_auxcr(get_auxcr() & ~0x40); - set_cr(get_cr() & ~CR_C); - - scu_power_mode(scu_base_addr, SCU_PM_DORMANT); - - cpu_do_idle(); - - /* Restore things if we didn't enter power-gating */ - calxeda_idle_restore(); - return 1; + const struct psci_power_state ps = { + .type = PSCI_POWER_STATE_TYPE_POWER_DOWN, + }; + return psci_ops.cpu_suspend(ps, __pa(cpu_resume)); } static int calxeda_pwrdown_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - highbank_set_cpu_jump(smp_processor_id(), cpu_resume); + cpu_pm_enter(); cpu_suspend(0, calxeda_idle_finish); + cpu_pm_exit(); + return index; } @@ -88,11 +65,17 @@ static struct cpuidle_driver calxeda_idle_driver = { .state_count = 2, }; -static int __init calxeda_cpuidle_init(void) +static int __init calxeda_cpuidle_probe(struct platform_device *pdev) { - if (!of_machine_is_compatible("calxeda,highbank")) - return -ENODEV; - return cpuidle_register(&calxeda_idle_driver, NULL); } -module_init(calxeda_cpuidle_init); + +static struct platform_driver calxeda_cpuidle_plat_driver = { + .driver = { + .name = "cpuidle-calxeda", + .owner = THIS_MODULE, + }, + .probe = calxeda_cpuidle_probe, +}; + +module_platform_driver(calxeda_cpuidle_plat_driver); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 526ec77c7ba..56fe803adcb 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -195,9 +195,10 @@ config SIRF_DMA config TI_EDMA bool "TI EDMA support" - depends on ARCH_DAVINCI || ARCH_OMAP + depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE select DMA_ENGINE select DMA_VIRTUAL_CHANNELS + select TI_PRIV_EDMA default n help Enable support for the TI EDMA controller. This DMA diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index ff50ff4c6a5..098a8da450f 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -749,6 +749,6 @@ static void __exit edma_exit(void) } module_exit(edma_exit); -MODULE_AUTHOR("Matt Porter <mporter@ti.com>"); +MODULE_AUTHOR("Matt Porter <matt.porter@linaro.org>"); MODULE_DESCRIPTION("TI EDMA DMA engine driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 78f8ca5fcce..55852c02679 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -437,17 +437,18 @@ static void dma_irq_handle_channel(struct imxdma_channel *imxdmac) struct imxdma_engine *imxdma = imxdmac->imxdma; int chno = imxdmac->channel; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); goto out; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); if (desc->sg) { u32 tmp; @@ -519,7 +520,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) { struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan); struct imxdma_engine *imxdma = imxdmac->imxdma; - unsigned long flags; int slot = -1; int i; @@ -527,7 +527,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) switch (d->type) { case IMXDMA_DESC_INTERLEAVED: /* Try to get a free 2D slot */ - spin_lock_irqsave(&imxdma->lock, flags); for (i = 0; i < IMX_DMA_2D_SLOTS; i++) { if ((imxdma->slots_2d[i].count > 0) && ((imxdma->slots_2d[i].xsr != d->x) || @@ -537,10 +536,8 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) slot = i; break; } - if (slot < 0) { - spin_unlock_irqrestore(&imxdma->lock, flags); + if (slot < 0) return -EBUSY; - } imxdma->slots_2d[slot].xsr = d->x; imxdma->slots_2d[slot].ysr = d->y; @@ -549,7 +546,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) imxdmac->slot_2d = slot; imxdmac->enabled_2d = true; - spin_unlock_irqrestore(&imxdma->lock, flags); if (slot == IMX_DMA_2D_SLOT_A) { d->config_mem &= ~CCR_MSEL_B; @@ -625,18 +621,17 @@ static void imxdma_tasklet(unsigned long data) struct imxdma_channel *imxdmac = (void *)data; struct imxdma_engine *imxdma = imxdmac->imxdma; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { /* Someone might have called terminate all */ - goto out; + spin_unlock_irqrestore(&imxdma->lock, flags); + return; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - if (desc->desc.callback) - desc->desc.callback(desc->desc.callback_param); - /* If we are dealing with a cyclic descriptor, keep it on ld_active * and dont mark the descriptor as complete. * Only in non-cyclic cases it would be marked as complete @@ -663,7 +658,11 @@ static void imxdma_tasklet(unsigned long data) __func__, imxdmac->channel); } out: - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); + + if (desc->desc.callback) + desc->desc.callback(desc->desc.callback_param); + } static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, @@ -883,7 +882,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic( kfree(imxdmac->sg_list); imxdmac->sg_list = kcalloc(periods + 1, - sizeof(struct scatterlist), GFP_KERNEL); + sizeof(struct scatterlist), GFP_ATOMIC); if (!imxdmac->sg_list) return NULL; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 0ff43552d47..89675f86230 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -63,6 +63,7 @@ struct gpio_bank { struct gpio_chip chip; struct clk *dbck; u32 mod_usage; + u32 irq_usage; u32 dbck_enable_mask; bool dbck_enabled; struct device *dev; @@ -86,6 +87,9 @@ struct gpio_bank { #define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio)) #define GPIO_MOD_CTRL_BIT BIT(0) +#define BANK_USED(bank) (bank->mod_usage || bank->irq_usage) +#define LINE_USED(line, offset) (line & (1 << offset)) + static int irq_to_gpio(struct gpio_bank *bank, unsigned int gpio_irq) { return bank->chip.base + gpio_irq; @@ -420,15 +424,69 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, return 0; } +static void _enable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + if (bank->regs->pinctrl) { + void __iomem *reg = bank->base + bank->regs->pinctrl; + + /* Claim the pin for MPU */ + __raw_writel(__raw_readl(reg) | (1 << offset), reg); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is enabled, clocks are not gated */ + ctrl &= ~GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static void _disable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + void __iomem *base = bank->base; + + if (bank->regs->wkup_en && + !LINE_USED(bank->mod_usage, offset) && + !LINE_USED(bank->irq_usage, offset)) { + /* Disable wake-up during idle for dynamic tick */ + _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); + bank->context.wake_en = + __raw_readl(bank->base + bank->regs->wkup_en); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is disabled, clocks are gated */ + ctrl |= GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static int gpio_is_input(struct gpio_bank *bank, int mask) +{ + void __iomem *reg = bank->base + bank->regs->direction; + + return __raw_readl(reg) & mask; +} + static int gpio_irq_type(struct irq_data *d, unsigned type) { struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned gpio = 0; int retval; unsigned long flags; + unsigned offset; - if (WARN_ON(!bank->mod_usage)) - return -EINVAL; + if (!BANK_USED(bank)) + pm_runtime_get_sync(bank->dev); #ifdef CONFIG_ARCH_OMAP1 if (d->irq > IH_MPUIO_BASE) @@ -446,7 +504,17 @@ static int gpio_irq_type(struct irq_data *d, unsigned type) return -EINVAL; spin_lock_irqsave(&bank->lock, flags); - retval = _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), type); + offset = GPIO_INDEX(bank, gpio); + retval = _set_gpio_triggering(bank, offset, type); + if (!LINE_USED(bank->mod_usage, offset)) { + _enable_gpio_module(bank, offset); + _set_gpio_direction(bank, offset, 1); + } else if (!gpio_is_input(bank, 1 << offset)) { + spin_unlock_irqrestore(&bank->lock, flags); + return -EINVAL; + } + + bank->irq_usage |= 1 << GPIO_INDEX(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) @@ -603,35 +671,19 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) * If this is the first gpio_request for the bank, * enable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_get_sync(bank->dev); spin_lock_irqsave(&bank->lock, flags); /* Set trigger to none. You need to enable the desired trigger with - * request_irq() or set_irq_type(). + * request_irq() or set_irq_type(). Only do this if the IRQ line has + * not already been requested. */ - _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); - - if (bank->regs->pinctrl) { - void __iomem *reg = bank->base + bank->regs->pinctrl; - - /* Claim the pin for MPU */ - __raw_writel(__raw_readl(reg) | (1 << offset), reg); - } - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is enabled, clocks are not gated */ - ctrl &= ~GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; + if (!LINE_USED(bank->irq_usage, offset)) { + _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); + _enable_gpio_module(bank, offset); } - bank->mod_usage |= 1 << offset; - spin_unlock_irqrestore(&bank->lock, flags); return 0; @@ -640,31 +692,11 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); - void __iomem *base = bank->base; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); - - if (bank->regs->wkup_en) { - /* Disable wake-up during idle for dynamic tick */ - _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); - bank->context.wake_en = - __raw_readl(bank->base + bank->regs->wkup_en); - } - bank->mod_usage &= ~(1 << offset); - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is disabled, clocks are gated */ - ctrl |= GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; - } - + _disable_gpio_module(bank, offset); _reset_gpio(bank, bank->chip.base + offset); spin_unlock_irqrestore(&bank->lock, flags); @@ -672,7 +704,7 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) * If this is the last gpio to be freed in the bank, * disable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_put(bank->dev); } @@ -762,10 +794,20 @@ static void gpio_irq_shutdown(struct irq_data *d) struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned int gpio = irq_to_gpio(bank, d->hwirq); unsigned long flags; + unsigned offset = GPIO_INDEX(bank, gpio); spin_lock_irqsave(&bank->lock, flags); + bank->irq_usage &= ~(1 << offset); + _disable_gpio_module(bank, offset); _reset_gpio(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); + + /* + * If this is the last IRQ to be freed in the bank, + * disable the bank module. + */ + if (!BANK_USED(bank)) + pm_runtime_put(bank->dev); } static void gpio_ack_irq(struct irq_data *d) @@ -897,13 +939,6 @@ static int gpio_input(struct gpio_chip *chip, unsigned offset) return 0; } -static int gpio_is_input(struct gpio_bank *bank, int mask) -{ - void __iomem *reg = bank->base + bank->regs->direction; - - return __raw_readl(reg) & mask; -} - static int gpio_get(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank; @@ -922,13 +957,22 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; unsigned long flags; + int retval = 0; bank = container_of(chip, struct gpio_bank, chip); spin_lock_irqsave(&bank->lock, flags); + + if (LINE_USED(bank->irq_usage, offset)) { + retval = -EINVAL; + goto exit; + } + bank->set_dataout(bank, offset, value); _set_gpio_direction(bank, offset, 0); + +exit: spin_unlock_irqrestore(&bank->lock, flags); - return 0; + return retval; } static int gpio_debounce(struct gpio_chip *chip, unsigned offset, @@ -1400,7 +1444,7 @@ void omap2_gpio_prepare_for_idle(int pwr_mode) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; bank->power_mode = pwr_mode; @@ -1414,7 +1458,7 @@ void omap2_gpio_resume_after_idle(void) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; pm_runtime_get_sync(bank->dev); diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index e3745eb0757..6038966ab04 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -293,10 +293,9 @@ static void gpio_rcar_parse_pdata(struct gpio_rcar_priv *p) if (pdata) { p->config = *pdata; } else if (IS_ENABLED(CONFIG_OF) && np) { - ret = of_parse_phandle_with_args(np, "gpio-ranges", - "#gpio-range-cells", 0, &args); - p->config.number_of_pins = ret == 0 && args.args_count == 3 - ? args.args[2] + ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, + &args); + p->config.number_of_pins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK; p->config.gpio_base = -1; } diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index b1f8fc69023..60e84043aa3 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -707,8 +707,7 @@ tda998x_encoder_dpms(struct drm_encoder *encoder, int mode) reg_write(encoder, REG_VIP_CNTRL_2, priv->vip_cntrl_2); break; case DRM_MODE_DPMS_OFF: - /* disable audio and video ports */ - reg_write(encoder, REG_ENA_AP, 0x00); + /* disable video ports */ reg_write(encoder, REG_ENA_VP_0, 0x00); reg_write(encoder, REG_ENA_VP_1, 0x00); reg_write(encoder, REG_ENA_VP_2, 0x00); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index df9253d890e..cdfb9da0e4c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4800,10 +4800,10 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc) if (!mutex_trylock(&dev->struct_mutex)) { if (!mutex_is_locked_by(&dev->struct_mutex, current)) - return SHRINK_STOP; + return 0; if (dev_priv->mm.shrinker_no_lock_stealing) - return SHRINK_STOP; + return 0; unlock = false; } @@ -4901,10 +4901,10 @@ i915_gem_inactive_scan(struct shrinker *shrinker, struct shrink_control *sc) if (!mutex_trylock(&dev->struct_mutex)) { if (!mutex_is_locked_by(&dev->struct_mutex, current)) - return 0; + return SHRINK_STOP; if (dev_priv->mm.shrinker_no_lock_stealing) - return 0; + return SHRINK_STOP; unlock = false; } diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index aba9d749899..dae364f0028 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -143,8 +143,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e, /* Seek the first printf which is hits start position */ if (e->pos < e->start) { - len = vsnprintf(NULL, 0, f, args); - if (!__i915_error_seek(e, len)) + va_list tmp; + + va_copy(tmp, args); + if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp))) return; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d8a1d98693e..e5822e79f91 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4775,6 +4775,10 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) pipeconf = 0; + if (dev_priv->quirks & QUIRK_PIPEA_FORCE && + I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE) + pipeconf |= PIPECONF_ENABLE; + if (intel_crtc->pipe == 0 && INTEL_INFO(dev)->gen < 4) { /* Enable pixel doubling when the dot clock is > 90% of the (display) * core speed. diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 2151d13772b..79c14e298ba 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -588,7 +588,18 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, DRM_DEBUG_KMS("aux_ch native nack\n"); return -EREMOTEIO; case AUX_NATIVE_REPLY_DEFER: - udelay(100); + /* + * For now, just give more slack to branch devices. We + * could check the DPCD for I2C bit rate capabilities, + * and if available, adjust the interval. We could also + * be more careful with DP-to-Legacy adapters where a + * long legacy cable may force very low I2C bit rates. + */ + if (intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] & + DP_DWN_STRM_PORT_PRESENT) + usleep_range(500, 600); + else + usleep_range(300, 400); continue; default: DRM_ERROR("aux_ch invalid native reply 0x%02x\n", diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index f2c6d7909ae..dd6f84bf6c2 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -916,6 +916,14 @@ intel_tv_compute_config(struct intel_encoder *encoder, DRM_DEBUG_KMS("forcing bpc to 8 for TV\n"); pipe_config->pipe_bpp = 8*3; + /* TV has it's own notion of sync and other mode flags, so clear them. */ + pipe_config->adjusted_mode.flags = 0; + + /* + * FIXME: We don't check whether the input mode is actually what we want + * or whether userspace is doing something stupid. + */ + return true; } diff --git a/drivers/gpu/drm/msm/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp4/mdp4_kms.c index 5db5bbaedae..bc7fd11ad8b 100644 --- a/drivers/gpu/drm/msm/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/mdp4/mdp4_kms.c @@ -19,8 +19,6 @@ #include "msm_drv.h" #include "mdp4_kms.h" -#include <mach/iommu.h> - static struct mdp4_platform_config *mdp4_get_config(struct platform_device *dev); static int mdp4_hw_init(struct msm_kms *kms) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 008d772384c..b3a2f162904 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -18,8 +18,6 @@ #include "msm_drv.h" #include "msm_gpu.h" -#include <mach/iommu.h> - static void msm_fb_output_poll_changed(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; @@ -62,6 +60,8 @@ int msm_iommu_attach(struct drm_device *dev, struct iommu_domain *iommu, int i, ret; for (i = 0; i < cnt; i++) { + /* TODO maybe some day msm iommu won't require this hack: */ + struct device *msm_iommu_get_ctx(const char *ctx_name); struct device *ctx = msm_iommu_get_ctx(names[i]); if (!ctx) continue; @@ -199,7 +199,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags) * imx drm driver on iMX5 */ dev_err(dev->dev, "failed to load kms\n"); - ret = PTR_ERR(priv->kms); + ret = PTR_ERR(kms); goto fail; } @@ -697,7 +697,7 @@ static struct drm_driver msm_driver = { .gem_vm_ops = &vm_ops, .dumb_create = msm_gem_dumb_create, .dumb_map_offset = msm_gem_dumb_map_offset, - .dumb_destroy = msm_gem_dumb_destroy, + .dumb_destroy = drm_gem_dumb_destroy, #ifdef CONFIG_DEBUG_FS .debugfs_init = msm_debugfs_init, .debugfs_cleanup = msm_debugfs_cleanup, diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 29eacfa29cf..2bae46c66a3 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -319,13 +319,6 @@ int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev, MSM_BO_SCANOUT | MSM_BO_WC, &args->handle); } -int msm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, - uint32_t handle) -{ - /* No special work needed, drop the reference and see what falls out */ - return drm_gem_handle_delete(file, handle); -} - int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index 05ff315e8e9..b162e98a295 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -1168,6 +1168,23 @@ static const struct radeon_blacklist_clocks btc_blacklist_clocks[] = { 25000, 30000, RADEON_SCLK_UP } }; +void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table, + u32 *max_clock) +{ + u32 i, clock = 0; + + if ((table == NULL) || (table->count == 0)) { + *max_clock = clock; + return; + } + + for (i = 0; i < table->count; i++) { + if (clock < table->entries[i].clk) + clock = table->entries[i].clk; + } + *max_clock = clock; +} + void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table, u32 clock, u16 max_voltage, u16 *voltage) { @@ -2080,6 +2097,7 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev, bool disable_mclk_switching; u32 mclk, sclk; u16 vddc, vddci; + u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; if ((rdev->pm.dpm.new_active_crtc_count > 1) || btc_dpm_vblank_too_short(rdev)) @@ -2121,6 +2139,39 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev, ps->low.vddci = max_limits->vddci; } + /* limit clocks to max supported clocks based on voltage dependency tables */ + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, + &max_sclk_vddc); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, + &max_mclk_vddci); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, + &max_mclk_vddc); + + if (max_sclk_vddc) { + if (ps->low.sclk > max_sclk_vddc) + ps->low.sclk = max_sclk_vddc; + if (ps->medium.sclk > max_sclk_vddc) + ps->medium.sclk = max_sclk_vddc; + if (ps->high.sclk > max_sclk_vddc) + ps->high.sclk = max_sclk_vddc; + } + if (max_mclk_vddci) { + if (ps->low.mclk > max_mclk_vddci) + ps->low.mclk = max_mclk_vddci; + if (ps->medium.mclk > max_mclk_vddci) + ps->medium.mclk = max_mclk_vddci; + if (ps->high.mclk > max_mclk_vddci) + ps->high.mclk = max_mclk_vddci; + } + if (max_mclk_vddc) { + if (ps->low.mclk > max_mclk_vddc) + ps->low.mclk = max_mclk_vddc; + if (ps->medium.mclk > max_mclk_vddc) + ps->medium.mclk = max_mclk_vddc; + if (ps->high.mclk > max_mclk_vddc) + ps->high.mclk = max_mclk_vddc; + } + /* XXX validate the min clocks required for display */ if (disable_mclk_switching) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.h b/drivers/gpu/drm/radeon/btc_dpm.h index 1a15e0e4195..3b6f12b7760 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.h +++ b/drivers/gpu/drm/radeon/btc_dpm.h @@ -46,6 +46,8 @@ void btc_adjust_clock_combinations(struct radeon_device *rdev, struct rv7xx_pl *pl); void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table, u32 clock, u16 max_voltage, u16 *voltage); +void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table, + u32 *max_clock); void btc_apply_voltage_delta_rules(struct radeon_device *rdev, u16 max_vddc, u16 max_vddci, u16 *vddc, u16 *vddci); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 89962744303..51e947a97ed 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -146,6 +146,8 @@ static const struct ci_pt_config_reg didt_config_ci[] = }; extern u8 rv770_get_memory_module_index(struct radeon_device *rdev); +extern void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table, + u32 *max_clock); extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev, u32 arb_freq_src, u32 arb_freq_dest); extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock); @@ -712,6 +714,7 @@ static void ci_apply_state_adjust_rules(struct radeon_device *rdev, struct radeon_clock_and_voltage_limits *max_limits; bool disable_mclk_switching; u32 sclk, mclk; + u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; int i; if ((rdev->pm.dpm.new_active_crtc_count > 1) || @@ -739,6 +742,29 @@ static void ci_apply_state_adjust_rules(struct radeon_device *rdev, } } + /* limit clocks to max supported clocks based on voltage dependency tables */ + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, + &max_sclk_vddc); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, + &max_mclk_vddci); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, + &max_mclk_vddc); + + for (i = 0; i < ps->performance_level_count; i++) { + if (max_sclk_vddc) { + if (ps->performance_levels[i].sclk > max_sclk_vddc) + ps->performance_levels[i].sclk = max_sclk_vddc; + } + if (max_mclk_vddci) { + if (ps->performance_levels[i].mclk > max_mclk_vddci) + ps->performance_levels[i].mclk = max_mclk_vddci; + } + if (max_mclk_vddc) { + if (ps->performance_levels[i].mclk > max_mclk_vddc) + ps->performance_levels[i].mclk = max_mclk_vddc; + } + } + /* XXX validate the min clocks required for display */ if (disable_mclk_switching) { diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index adbdb6503b0..d02fd1c045d 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -2845,10 +2845,8 @@ static void cik_gpu_init(struct radeon_device *rdev) rdev->config.cik.tile_config |= (3 << 0); break; } - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.cik.tile_config |= 1 << 4; - else - rdev->config.cik.tile_config |= 0 << 4; + rdev->config.cik.tile_config |= + ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; rdev->config.cik.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; rdev->config.cik.tile_config |= @@ -4456,8 +4454,8 @@ static int cik_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* size in MB on si */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL; rdev->mc.visible_vram_size = rdev->mc.aper_size; si_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); @@ -4735,12 +4733,13 @@ static void cik_vm_decode_fault(struct radeon_device *rdev, u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT; u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT; u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT; - char *block = (char *)&mc_client; + char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, + (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; - printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n", + printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", protections, vmid, addr, (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read", - block, mc_id); + block, mc_client, mc_id); } /** diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 6c398a456d7..f2633902815 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -787,6 +787,7 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev, bool disable_mclk_switching; u32 mclk, sclk; u16 vddc, vddci; + u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; int i; if ((rdev->pm.dpm.new_active_crtc_count > 1) || @@ -813,6 +814,29 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev, } } + /* limit clocks to max supported clocks based on voltage dependency tables */ + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, + &max_sclk_vddc); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, + &max_mclk_vddci); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, + &max_mclk_vddc); + + for (i = 0; i < ps->performance_level_count; i++) { + if (max_sclk_vddc) { + if (ps->performance_levels[i].sclk > max_sclk_vddc) + ps->performance_levels[i].sclk = max_sclk_vddc; + } + if (max_mclk_vddci) { + if (ps->performance_levels[i].mclk > max_mclk_vddci) + ps->performance_levels[i].mclk = max_mclk_vddci; + } + if (max_mclk_vddc) { + if (ps->performance_levels[i].mclk > max_mclk_vddc) + ps->performance_levels[i].mclk = max_mclk_vddc; + } + } + /* XXX validate the min clocks required for display */ if (disable_mclk_switching) { diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 24175717307..d71333033b2 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2933,9 +2933,11 @@ static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data) seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp); seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); seq_printf(m, "%u dwords in ring\n", count); - for (j = 0; j <= count; j++) { - i = (rdp + j) & ring->ptr_mask; - seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); + if (ring->ready) { + for (j = 0; j <= count; j++) { + i = (rdp + j) & ring->ptr_mask; + seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); + } } return 0; } diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index e65f211a7be..5513d8f0625 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -1084,7 +1084,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk = le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16); rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v = - le16_to_cpu(limits->entries[i].usVoltage); + le16_to_cpu(entry->usVoltage); entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *) ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record)); } diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index f443010ce90..b0fa6002af3 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -257,10 +257,7 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator */ - if (ASIC_IS_DCE3(rdev)) { - /* according to the reg specs, this should DCE3.2 only, but in - * practice it seems to cover DCE3.0 as well. - */ + if (ASIC_IS_DCE32(rdev)) { if (dig->dig_encoder == 0) { dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); @@ -276,8 +273,21 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo); WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ } + } else if (ASIC_IS_DCE3(rdev)) { + /* according to the reg specs, this should DCE3.2 only, but in + * practice it seems to cover DCE3.0/3.1 as well. + */ + if (dig->dig_encoder == 0) { + WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); + WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100); + WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ + } else { + WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100); + WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100); + WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ + } } else { - /* according to the reg specs, this should be DCE2.0 and DCE3.0 */ + /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */ WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) | AUDIO_DTO_MODULE(clock / 10)); } diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 5003385a751..8f7e04538fd 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1004,6 +1004,8 @@ static struct radeon_asic rv6xx_asic = { .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, .get_backlight_level = &atombios_get_backlight_level, + .hdmi_enable = &r600_hdmi_enable, + .hdmi_setmode = &r600_hdmi_setmode, }, .copy = { .blit = &r600_copy_cpdma, diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 404e25d285b..f79ee184ffd 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1367,6 +1367,7 @@ bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev, int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info); uint16_t data_offset, size; struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info; + struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT *ss_assign; uint8_t frev, crev; int i, num_indices; @@ -1378,18 +1379,21 @@ bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev, num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT); - + ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*) + ((u8 *)&ss_info->asSS_Info[0]); for (i = 0; i < num_indices; i++) { - if (ss_info->asSS_Info[i].ucSS_Id == id) { + if (ss_assign->ucSS_Id == id) { ss->percentage = - le16_to_cpu(ss_info->asSS_Info[i].usSpreadSpectrumPercentage); - ss->type = ss_info->asSS_Info[i].ucSpreadSpectrumType; - ss->step = ss_info->asSS_Info[i].ucSS_Step; - ss->delay = ss_info->asSS_Info[i].ucSS_Delay; - ss->range = ss_info->asSS_Info[i].ucSS_Range; - ss->refdiv = ss_info->asSS_Info[i].ucRecommendedRef_Div; + le16_to_cpu(ss_assign->usSpreadSpectrumPercentage); + ss->type = ss_assign->ucSpreadSpectrumType; + ss->step = ss_assign->ucSS_Step; + ss->delay = ss_assign->ucSS_Delay; + ss->range = ss_assign->ucSS_Range; + ss->refdiv = ss_assign->ucRecommendedRef_Div; return true; } + ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*) + ((u8 *)ss_assign + sizeof(struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT)); } } return false; @@ -1477,6 +1481,12 @@ union asic_ss_info { struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3; }; +union asic_ss_assignment { + struct _ATOM_ASIC_SS_ASSIGNMENT v1; + struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2; + struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3; +}; + bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, struct radeon_atom_ss *ss, int id, u32 clock) @@ -1485,6 +1495,7 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); uint16_t data_offset, size; union asic_ss_info *ss_info; + union asic_ss_assignment *ss_assign; uint8_t frev, crev; int i, num_indices; @@ -1509,45 +1520,52 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_ASIC_SS_ASSIGNMENT); + ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]); for (i = 0; i < num_indices; i++) { - if ((ss_info->info.asSpreadSpectrum[i].ucClockIndication == id) && - (clock <= le32_to_cpu(ss_info->info.asSpreadSpectrum[i].ulTargetClockRange))) { + if ((ss_assign->v1.ucClockIndication == id) && + (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) { ss->percentage = - le16_to_cpu(ss_info->info.asSpreadSpectrum[i].usSpreadSpectrumPercentage); - ss->type = ss_info->info.asSpreadSpectrum[i].ucSpreadSpectrumMode; - ss->rate = le16_to_cpu(ss_info->info.asSpreadSpectrum[i].usSpreadRateInKhz); + le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage); + ss->type = ss_assign->v1.ucSpreadSpectrumMode; + ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz); return true; } + ss_assign = (union asic_ss_assignment *) + ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT)); } break; case 2: num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2); + ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]); for (i = 0; i < num_indices; i++) { - if ((ss_info->info_2.asSpreadSpectrum[i].ucClockIndication == id) && - (clock <= le32_to_cpu(ss_info->info_2.asSpreadSpectrum[i].ulTargetClockRange))) { + if ((ss_assign->v2.ucClockIndication == id) && + (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) { ss->percentage = - le16_to_cpu(ss_info->info_2.asSpreadSpectrum[i].usSpreadSpectrumPercentage); - ss->type = ss_info->info_2.asSpreadSpectrum[i].ucSpreadSpectrumMode; - ss->rate = le16_to_cpu(ss_info->info_2.asSpreadSpectrum[i].usSpreadRateIn10Hz); + le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage); + ss->type = ss_assign->v2.ucSpreadSpectrumMode; + ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz); if ((crev == 2) && ((id == ASIC_INTERNAL_ENGINE_SS) || (id == ASIC_INTERNAL_MEMORY_SS))) ss->rate /= 100; return true; } + ss_assign = (union asic_ss_assignment *) + ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2)); } break; case 3: num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3); + ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]); for (i = 0; i < num_indices; i++) { - if ((ss_info->info_3.asSpreadSpectrum[i].ucClockIndication == id) && - (clock <= le32_to_cpu(ss_info->info_3.asSpreadSpectrum[i].ulTargetClockRange))) { + if ((ss_assign->v3.ucClockIndication == id) && + (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) { ss->percentage = - le16_to_cpu(ss_info->info_3.asSpreadSpectrum[i].usSpreadSpectrumPercentage); - ss->type = ss_info->info_3.asSpreadSpectrum[i].ucSpreadSpectrumMode; - ss->rate = le16_to_cpu(ss_info->info_3.asSpreadSpectrum[i].usSpreadRateIn10Hz); + le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage); + ss->type = ss_assign->v3.ucSpreadSpectrumMode; + ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz); if ((id == ASIC_INTERNAL_ENGINE_SS) || (id == ASIC_INTERNAL_MEMORY_SS)) ss->rate /= 100; @@ -1555,6 +1573,8 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev, radeon_atombios_get_igp_ss_overrides(rdev, ss, id); return true; } + ss_assign = (union asic_ss_assignment *) + ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3)); } break; default: diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index ac6ece61a47..66c22283663 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -85,8 +85,9 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p) VRAM, also but everything into VRAM on AGP cards to avoid image corruptions */ if (p->ring == R600_RING_TYPE_UVD_INDEX && - (i == 0 || p->rdev->flags & RADEON_IS_AGP)) { - /* TODO: is this still needed for NI+ ? */ + p->rdev->family < CHIP_PALM && + (i == 0 || drm_pci_device_is_agp(p->rdev->ddev))) { + p->relocs[i].lobj.domain = RADEON_GEM_DOMAIN_VRAM; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index e29faa73b57..841d0e09be3 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1320,13 +1320,22 @@ int radeon_device_init(struct radeon_device *rdev, return r; } if ((radeon_testing & 1)) { - radeon_test_moves(rdev); + if (rdev->accel_working) + radeon_test_moves(rdev); + else + DRM_INFO("radeon: acceleration disabled, skipping move tests\n"); } if ((radeon_testing & 2)) { - radeon_test_syncing(rdev); + if (rdev->accel_working) + radeon_test_syncing(rdev); + else + DRM_INFO("radeon: acceleration disabled, skipping sync tests\n"); } if (radeon_benchmarking) { - radeon_benchmark(rdev, radeon_benchmarking); + if (rdev->accel_working) + radeon_benchmark(rdev, radeon_benchmarking); + else + DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n"); } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 87e1d69e8fd..ac07ad1d4f8 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1002,7 +1002,7 @@ static void radeon_pm_resume_old(struct radeon_device *rdev) { /* set up the default clocks if the MC ucode is loaded */ if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_HAINAN) && + (rdev->family <= CHIP_CAYMAN) && rdev->mc_fw) { if (rdev->pm.default_vddc) radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, @@ -1046,7 +1046,7 @@ static void radeon_pm_resume_dpm(struct radeon_device *rdev) if (ret) { DRM_ERROR("radeon: dpm resume failed\n"); if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_HAINAN) && + (rdev->family <= CHIP_CAYMAN) && rdev->mc_fw) { if (rdev->pm.default_vddc) radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, @@ -1097,7 +1097,7 @@ static int radeon_pm_init_old(struct radeon_device *rdev) radeon_pm_init_profile(rdev); /* set up the default clocks if the MC ucode is loaded */ if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_HAINAN) && + (rdev->family <= CHIP_CAYMAN) && rdev->mc_fw) { if (rdev->pm.default_vddc) radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, @@ -1183,7 +1183,7 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev) if (ret) { rdev->pm.dpm_enabled = false; if ((rdev->family >= CHIP_BARTS) && - (rdev->family <= CHIP_HAINAN) && + (rdev->family <= CHIP_CAYMAN) && rdev->mc_fw) { if (rdev->pm.default_vddc) radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 46a25f037b8..18254e1c3e7 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -839,9 +839,11 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) * packet that is the root issue */ i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask; - for (j = 0; j <= (count + 32); j++) { - seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]); - i = (i + 1) & ring->ptr_mask; + if (ring->ready) { + for (j = 0; j <= (count + 32); j++) { + seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]); + i = (i + 1) & ring->ptr_mask; + } } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 1a01bbff9bf..a0f11856ddd 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -476,8 +476,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, return -EINVAL; } - /* TODO: is this still necessary on NI+ ? */ - if ((cmd == 0 || cmd == 0x3) && + if (p->rdev->family < CHIP_PALM && (cmd == 0 || cmd == 0x3) && (start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) { DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n", start, end); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index cfe5d4d2891..9ace28702c7 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2910,6 +2910,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, bool disable_sclk_switching = false; u32 mclk, sclk; u16 vddc, vddci; + u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc; int i; if ((rdev->pm.dpm.new_active_crtc_count > 1) || @@ -2943,6 +2944,29 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, } } + /* limit clocks to max supported clocks based on voltage dependency tables */ + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk, + &max_sclk_vddc); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk, + &max_mclk_vddci); + btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk, + &max_mclk_vddc); + + for (i = 0; i < ps->performance_level_count; i++) { + if (max_sclk_vddc) { + if (ps->performance_levels[i].sclk > max_sclk_vddc) + ps->performance_levels[i].sclk = max_sclk_vddc; + } + if (max_mclk_vddci) { + if (ps->performance_levels[i].mclk > max_mclk_vddci) + ps->performance_levels[i].mclk = max_mclk_vddci; + } + if (max_mclk_vddc) { + if (ps->performance_levels[i].mclk > max_mclk_vddc) + ps->performance_levels[i].mclk = max_mclk_vddc; + } + } + /* XXX validate the min clocks required for display */ if (disable_mclk_switching) { diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c index 7266805d978..3100fa9cb52 100644 --- a/drivers/gpu/drm/radeon/uvd_v1_0.c +++ b/drivers/gpu/drm/radeon/uvd_v1_0.c @@ -212,8 +212,8 @@ int uvd_v1_0_start(struct radeon_device *rdev) /* enable VCPU clock */ WREG32(UVD_VCPU_CNTL, 1 << 9); - /* enable UMC */ - WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8)); + /* enable UMC and NC0 */ + WREG32_P(UVD_LMI_CTRL2, 1 << 13, ~((1 << 8) | (1 << 13))); /* boot up the VCPU */ WREG32(UVD_SOFT_RESET, 0); diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 8f4743ab5fb..936093e0271 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -195,7 +195,7 @@ int vmbus_connect(void) do { ret = vmbus_negotiate_version(msginfo, version); - if (ret) + if (ret == -ETIMEDOUT) goto cleanup; if (vmbus_connection.conn_state == CONNECTED) diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index 28b03325b87..09988b28962 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -32,13 +32,17 @@ /* * Pre win8 version numbers used in ws2008 and ws 2008 r2 (win7) */ +#define WS2008_SRV_MAJOR 1 +#define WS2008_SRV_MINOR 0 +#define WS2008_SRV_VERSION (WS2008_SRV_MAJOR << 16 | WS2008_SRV_MINOR) + #define WIN7_SRV_MAJOR 3 #define WIN7_SRV_MINOR 0 -#define WIN7_SRV_MAJOR_MINOR (WIN7_SRV_MAJOR << 16 | WIN7_SRV_MINOR) +#define WIN7_SRV_VERSION (WIN7_SRV_MAJOR << 16 | WIN7_SRV_MINOR) #define WIN8_SRV_MAJOR 4 #define WIN8_SRV_MINOR 0 -#define WIN8_SRV_MAJOR_MINOR (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR) +#define WIN8_SRV_VERSION (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR) /* * Global state maintained for transaction that is being processed. @@ -587,6 +591,8 @@ void hv_kvp_onchannelcallback(void *context) struct icmsg_hdr *icmsghdrp; struct icmsg_negotiate *negop = NULL; + int util_fw_version; + int kvp_srv_version; if (kvp_transaction.active) { /* @@ -606,17 +612,26 @@ void hv_kvp_onchannelcallback(void *context) if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { /* - * We start with win8 version and if the host cannot - * support that we use the previous version. + * Based on the host, select appropriate + * framework and service versions we will + * negotiate. */ - if (vmbus_prep_negotiate_resp(icmsghdrp, negop, - recv_buffer, UTIL_FW_MAJOR_MINOR, - WIN8_SRV_MAJOR_MINOR)) - goto done; - + switch (vmbus_proto_version) { + case (VERSION_WS2008): + util_fw_version = UTIL_WS2K8_FW_VERSION; + kvp_srv_version = WS2008_SRV_VERSION; + break; + case (VERSION_WIN7): + util_fw_version = UTIL_FW_VERSION; + kvp_srv_version = WIN7_SRV_VERSION; + break; + default: + util_fw_version = UTIL_FW_VERSION; + kvp_srv_version = WIN8_SRV_VERSION; + } vmbus_prep_negotiate_resp(icmsghdrp, negop, - recv_buffer, UTIL_FW_MAJOR_MINOR, - WIN7_SRV_MAJOR_MINOR); + recv_buffer, util_fw_version, + kvp_srv_version); } else { kvp_msg = (struct hv_kvp_msg *)&recv_buffer[ @@ -649,7 +664,6 @@ void hv_kvp_onchannelcallback(void *context) return; } -done: icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE; diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index e4572f3f283..0c354622437 100644 --- a/drivers/hv/hv_snapshot.c +++ b/drivers/hv/hv_snapshot.c @@ -26,7 +26,7 @@ #define VSS_MAJOR 5 #define VSS_MINOR 0 -#define VSS_MAJOR_MINOR (VSS_MAJOR << 16 | VSS_MINOR) +#define VSS_VERSION (VSS_MAJOR << 16 | VSS_MINOR) @@ -190,8 +190,8 @@ void hv_vss_onchannelcallback(void *context) if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { vmbus_prep_negotiate_resp(icmsghdrp, negop, - recv_buffer, UTIL_FW_MAJOR_MINOR, - VSS_MAJOR_MINOR); + recv_buffer, UTIL_FW_VERSION, + VSS_VERSION); } else { vss_msg = (struct hv_vss_msg *)&recv_buffer[ sizeof(struct vmbuspipe_hdr) + diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index cb82233541b..273e3ddb3a2 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -28,17 +28,32 @@ #include <linux/reboot.h> #include <linux/hyperv.h> -#define SHUTDOWN_MAJOR 3 -#define SHUTDOWN_MINOR 0 -#define SHUTDOWN_MAJOR_MINOR (SHUTDOWN_MAJOR << 16 | SHUTDOWN_MINOR) -#define TIMESYNCH_MAJOR 3 -#define TIMESYNCH_MINOR 0 -#define TIMESYNCH_MAJOR_MINOR (TIMESYNCH_MAJOR << 16 | TIMESYNCH_MINOR) +#define SD_MAJOR 3 +#define SD_MINOR 0 +#define SD_VERSION (SD_MAJOR << 16 | SD_MINOR) -#define HEARTBEAT_MAJOR 3 -#define HEARTBEAT_MINOR 0 -#define HEARTBEAT_MAJOR_MINOR (HEARTBEAT_MAJOR << 16 | HEARTBEAT_MINOR) +#define SD_WS2008_MAJOR 1 +#define SD_WS2008_VERSION (SD_WS2008_MAJOR << 16 | SD_MINOR) + +#define TS_MAJOR 3 +#define TS_MINOR 0 +#define TS_VERSION (TS_MAJOR << 16 | TS_MINOR) + +#define TS_WS2008_MAJOR 1 +#define TS_WS2008_VERSION (TS_WS2008_MAJOR << 16 | TS_MINOR) + +#define HB_MAJOR 3 +#define HB_MINOR 0 +#define HB_VERSION (HB_MAJOR << 16 | HB_MINOR) + +#define HB_WS2008_MAJOR 1 +#define HB_WS2008_VERSION (HB_WS2008_MAJOR << 16 | HB_MINOR) + +static int sd_srv_version; +static int ts_srv_version; +static int hb_srv_version; +static int util_fw_version; static void shutdown_onchannelcallback(void *context); static struct hv_util_service util_shutdown = { @@ -99,8 +114,8 @@ static void shutdown_onchannelcallback(void *context) if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { vmbus_prep_negotiate_resp(icmsghdrp, negop, - shut_txf_buf, UTIL_FW_MAJOR_MINOR, - SHUTDOWN_MAJOR_MINOR); + shut_txf_buf, util_fw_version, + sd_srv_version); } else { shutdown_msg = (struct shutdown_msg_data *)&shut_txf_buf[ @@ -216,6 +231,7 @@ static void timesync_onchannelcallback(void *context) struct icmsg_hdr *icmsghdrp; struct ictimesync_data *timedatap; u8 *time_txf_buf = util_timesynch.recv_buffer; + struct icmsg_negotiate *negop = NULL; vmbus_recvpacket(channel, time_txf_buf, PAGE_SIZE, &recvlen, &requestid); @@ -225,9 +241,10 @@ static void timesync_onchannelcallback(void *context) sizeof(struct vmbuspipe_hdr)]; if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { - vmbus_prep_negotiate_resp(icmsghdrp, NULL, time_txf_buf, - UTIL_FW_MAJOR_MINOR, - TIMESYNCH_MAJOR_MINOR); + vmbus_prep_negotiate_resp(icmsghdrp, negop, + time_txf_buf, + util_fw_version, + ts_srv_version); } else { timedatap = (struct ictimesync_data *)&time_txf_buf[ sizeof(struct vmbuspipe_hdr) + @@ -257,6 +274,7 @@ static void heartbeat_onchannelcallback(void *context) struct icmsg_hdr *icmsghdrp; struct heartbeat_msg_data *heartbeat_msg; u8 *hbeat_txf_buf = util_heartbeat.recv_buffer; + struct icmsg_negotiate *negop = NULL; vmbus_recvpacket(channel, hbeat_txf_buf, PAGE_SIZE, &recvlen, &requestid); @@ -266,9 +284,9 @@ static void heartbeat_onchannelcallback(void *context) sizeof(struct vmbuspipe_hdr)]; if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { - vmbus_prep_negotiate_resp(icmsghdrp, NULL, - hbeat_txf_buf, UTIL_FW_MAJOR_MINOR, - HEARTBEAT_MAJOR_MINOR); + vmbus_prep_negotiate_resp(icmsghdrp, negop, + hbeat_txf_buf, util_fw_version, + hb_srv_version); } else { heartbeat_msg = (struct heartbeat_msg_data *)&hbeat_txf_buf[ @@ -321,6 +339,25 @@ static int util_probe(struct hv_device *dev, goto error; hv_set_drvdata(dev, srv); + /* + * Based on the host; initialize the framework and + * service version numbers we will negotiate. + */ + switch (vmbus_proto_version) { + case (VERSION_WS2008): + util_fw_version = UTIL_WS2K8_FW_VERSION; + sd_srv_version = SD_WS2008_VERSION; + ts_srv_version = TS_WS2008_VERSION; + hb_srv_version = HB_WS2008_VERSION; + break; + + default: + util_fw_version = UTIL_FW_VERSION; + sd_srv_version = SD_VERSION; + ts_srv_version = TS_VERSION; + hb_srv_version = HB_VERSION; + } + return 0; error: diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 62c2e32e25e..98814d12a60 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -525,16 +525,25 @@ static int applesmc_init_smcreg_try(void) { struct applesmc_registers *s = &smcreg; bool left_light_sensor, right_light_sensor; + unsigned int count; u8 tmp[1]; int ret; if (s->init_complete) return 0; - ret = read_register_count(&s->key_count); + ret = read_register_count(&count); if (ret) return ret; + if (s->cache && s->key_count != count) { + pr_warn("key count changed from %d to %d\n", + s->key_count, count); + kfree(s->cache); + s->cache = NULL; + } + s->key_count = count; + if (!s->cache) s->cache = kcalloc(s->key_count, sizeof(*s->cache), GFP_KERNEL); if (!s->cache) diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index dbecf08399f..5888feef1ac 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -98,6 +98,8 @@ #define DW_IC_ERR_TX_ABRT 0x1 +#define DW_IC_TAR_10BITADDR_MASTER BIT(12) + /* * status codes */ @@ -388,22 +390,34 @@ static int i2c_dw_wait_bus_not_busy(struct dw_i2c_dev *dev) static void i2c_dw_xfer_init(struct dw_i2c_dev *dev) { struct i2c_msg *msgs = dev->msgs; - u32 ic_con; + u32 ic_con, ic_tar = 0; /* Disable the adapter */ __i2c_dw_enable(dev, false); - /* set the slave (target) address */ - dw_writel(dev, msgs[dev->msg_write_idx].addr, DW_IC_TAR); - /* if the slave address is ten bit address, enable 10BITADDR */ ic_con = dw_readl(dev, DW_IC_CON); - if (msgs[dev->msg_write_idx].flags & I2C_M_TEN) + if (msgs[dev->msg_write_idx].flags & I2C_M_TEN) { ic_con |= DW_IC_CON_10BITADDR_MASTER; - else + /* + * If I2C_DYNAMIC_TAR_UPDATE is set, the 10-bit addressing + * mode has to be enabled via bit 12 of IC_TAR register. + * We set it always as I2C_DYNAMIC_TAR_UPDATE can't be + * detected from registers. + */ + ic_tar = DW_IC_TAR_10BITADDR_MASTER; + } else { ic_con &= ~DW_IC_CON_10BITADDR_MASTER; + } + dw_writel(dev, ic_con, DW_IC_CON); + /* + * Set the slave (target) address and enable 10-bit addressing mode + * if applicable. + */ + dw_writel(dev, msgs[dev->msg_write_idx].addr | ic_tar, DW_IC_TAR); + /* Enable the adapter */ __i2c_dw_enable(dev, true); diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 8ed79a086f8..1672effbceb 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -393,6 +393,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr, desc = &priv->hw[priv->head]; + /* Initialize the DMA buffer */ + memset(priv->dma_buffer, 0, sizeof(priv->dma_buffer)); + /* Initialize the descriptor */ memset(desc, 0, sizeof(struct ismt_desc)); desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write); diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 7f3a4744349..d3e9cc3153a 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -234,9 +234,9 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data) ctrl_reg |= MV64XXX_I2C_BRIDGE_CONTROL_WR | (msg->len - 1) << MV64XXX_I2C_BRIDGE_CONTROL_TX_SIZE_SHIFT; - writel_relaxed(data_reg_lo, + writel(data_reg_lo, drv_data->reg_base + MV64XXX_I2C_REG_TX_DATA_LO); - writel_relaxed(data_reg_hi, + writel(data_reg_hi, drv_data->reg_base + MV64XXX_I2C_REG_TX_DATA_HI); } else { @@ -697,6 +697,7 @@ static const struct of_device_id mv64xxx_i2c_of_match_table[] = { MODULE_DEVICE_TABLE(of, mv64xxx_i2c_of_match_table); #ifdef CONFIG_OF +#ifdef CONFIG_HAVE_CLK static int mv64xxx_calc_freq(const int tclk, const int n, const int m) { @@ -726,16 +727,12 @@ mv64xxx_find_baud_factors(const u32 req_freq, const u32 tclk, u32 *best_n, return false; return true; } +#endif /* CONFIG_HAVE_CLK */ static int mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data, struct device *dev) { - const struct of_device_id *device; - struct device_node *np = dev->of_node; - u32 bus_freq, tclk; - int rc = 0; - /* CLK is mandatory when using DT to describe the i2c bus. We * need to know tclk in order to calculate bus clock * factors. @@ -744,6 +741,11 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data, /* Have OF but no CLK */ return -ENODEV; #else + const struct of_device_id *device; + struct device_node *np = dev->of_node; + u32 bus_freq, tclk; + int rc = 0; + if (IS_ERR(drv_data->clk)) { rc = -ENODEV; goto out; diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 3535f3c0f7b..3747b9bf67d 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1178,8 +1178,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); - clk_disable_unprepare(i2c->clk); - if (pdev->dev.of_node && IS_ERR(i2c->pctrl)) s3c24xx_i2c_dt_gpio_free(i2c); diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index d0a79a4bce1..ba6f6a91dff 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -185,10 +185,8 @@ static int ad8366_remove(struct spi_device *spi) iio_device_unregister(indio_dev); - if (!IS_ERR(reg)) { + if (!IS_ERR(reg)) regulator_disable(reg); - regulator_put(reg); - } return 0; } diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 8e84cd522e4..f95c6979efd 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -852,7 +852,6 @@ static void iio_dev_release(struct device *device) iio_device_unregister_trigger_consumer(indio_dev); iio_device_unregister_eventset(indio_dev); iio_device_unregister_sysfs(indio_dev); - iio_device_unregister_debugfs(indio_dev); ida_simple_remove(&iio_ida, indio_dev->id); kfree(indio_dev); @@ -1087,6 +1086,7 @@ void iio_device_unregister(struct iio_dev *indio_dev) if (indio_dev->chrdev.dev) cdev_del(&indio_dev->chrdev); + iio_device_unregister_debugfs(indio_dev); iio_disable_all_buffers(indio_dev); diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index e8d2849cc81..cab3bc7494a 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -29,9 +29,9 @@ #define ST_MAGN_NUMBER_DATA_CHANNELS 3 /* DEFAULT VALUE FOR SENSORS */ -#define ST_MAGN_DEFAULT_OUT_X_L_ADDR 0X04 -#define ST_MAGN_DEFAULT_OUT_Y_L_ADDR 0X08 -#define ST_MAGN_DEFAULT_OUT_Z_L_ADDR 0X06 +#define ST_MAGN_DEFAULT_OUT_X_H_ADDR 0X03 +#define ST_MAGN_DEFAULT_OUT_Y_H_ADDR 0X07 +#define ST_MAGN_DEFAULT_OUT_Z_H_ADDR 0X05 /* FULLSCALE */ #define ST_MAGN_FS_AVL_1300MG 1300 @@ -117,16 +117,16 @@ static const struct iio_chan_spec st_magn_16bit_channels[] = { ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_X_L_ADDR), + ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_X_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Y_L_ADDR), + ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Y_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Z_L_ADDR), + ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Z_H_ADDR), IIO_CHAN_SOFT_TIMESTAMP(3) }; diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 653ac6bfc57..6c923c7039a 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1588,7 +1588,7 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, int resp_data_len; int resp_len; - resp_data_len = (rsp_code == SRP_TSK_MGMT_SUCCESS) ? 0 : 4; + resp_data_len = 4; resp_len = sizeof(*srp_rsp) + resp_data_len; srp_rsp = ioctx->ioctx.buf; @@ -1600,11 +1600,9 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; - if (rsp_code != SRP_TSK_MGMT_SUCCESS) { - srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; - srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); - srp_rsp->data[3] = rsp_code; - } + srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; + srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); + srp_rsp->data[3] = rsp_code; return resp_len; } @@ -2358,6 +2356,8 @@ static void srpt_release_channel_work(struct work_struct *w) transport_deregister_session(se_sess); ch->sess = NULL; + ib_destroy_cm_id(ch->cm_id); + srpt_destroy_ch_ib(ch); srpt_free_ioctx_ring((struct srpt_ioctx **)ch->ioctx_ring, @@ -2368,8 +2368,6 @@ static void srpt_release_channel_work(struct work_struct *w) list_del(&ch->list); spin_unlock_irq(&sdev->spinlock); - ib_destroy_cm_id(ch->cm_id); - if (ch->release_done) complete(ch->release_done); diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index f417e89e1e7..181c9ba929c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -377,6 +377,7 @@ struct arm_smmu_cfg { u32 cbar; pgd_t *pgd; }; +#define INVALID_IRPTNDX 0xff #define ARM_SMMU_CB_ASID(cfg) ((cfg)->cbndx) #define ARM_SMMU_CB_VMID(cfg) ((cfg)->cbndx + 1) @@ -840,7 +841,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, if (IS_ERR_VALUE(ret)) { dev_err(smmu->dev, "failed to request context IRQ %d (%u)\n", root_cfg->irptndx, irq); - root_cfg->irptndx = -1; + root_cfg->irptndx = INVALID_IRPTNDX; goto out_free_context; } @@ -869,7 +870,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) writel_relaxed(0, cb_base + ARM_SMMU_CB_SCTLR); arm_smmu_tlb_inv_context(root_cfg); - if (root_cfg->irptndx != -1) { + if (root_cfg->irptndx != INVALID_IRPTNDX) { irq = smmu->irqs[smmu->num_global_irqs + root_cfg->irptndx]; free_irq(irq, domain); } @@ -1857,8 +1858,6 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) goto out_put_parent; } - arm_smmu_device_reset(smmu); - for (i = 0; i < smmu->num_global_irqs; ++i) { err = request_irq(smmu->irqs[i], arm_smmu_global_fault, @@ -1876,6 +1875,8 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) spin_lock(&arm_smmu_devices_lock); list_add(&smmu->list, &arm_smmu_devices); spin_unlock(&arm_smmu_devices_lock); + + arm_smmu_device_reset(smmu); return 0; out_free_irqs: @@ -1966,10 +1967,10 @@ static int __init arm_smmu_init(void) return ret; /* Oh, for a proper bus abstraction */ - if (!iommu_present(&platform_bus_type)); + if (!iommu_present(&platform_bus_type)) bus_set_iommu(&platform_bus_type, &arm_smmu_ops); - if (!iommu_present(&amba_bustype)); + if (!iommu_present(&amba_bustype)) bus_set_iommu(&amba_bustype, &arm_smmu_ops); return 0; diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index b39f6f0b45f..0f12382aa35 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -498,7 +498,7 @@ struct cached_dev { */ atomic_t has_dirty; - struct ratelimit writeback_rate; + struct bch_ratelimit writeback_rate; struct delayed_work writeback_rate_update; /* @@ -507,10 +507,9 @@ struct cached_dev { */ sector_t last_read; - /* Number of writeback bios in flight */ - atomic_t in_flight; + /* Limit number of writeback bios in flight */ + struct semaphore in_flight; struct closure_with_timer writeback; - struct closure_waitlist writeback_wait; struct keybuf writeback_keys; diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 8010eed06a5..22d1ae72c28 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -926,28 +926,45 @@ struct bkey *bch_next_recurse_key(struct btree *b, struct bkey *search) /* Mergesort */ +static void sort_key_next(struct btree_iter *iter, + struct btree_iter_set *i) +{ + i->k = bkey_next(i->k); + + if (i->k == i->end) + *i = iter->data[--iter->used]; +} + static void btree_sort_fixup(struct btree_iter *iter) { while (iter->used > 1) { struct btree_iter_set *top = iter->data, *i = top + 1; - struct bkey *k; if (iter->used > 2 && btree_iter_cmp(i[0], i[1])) i++; - for (k = i->k; - k != i->end && bkey_cmp(top->k, &START_KEY(k)) > 0; - k = bkey_next(k)) - if (top->k > i->k) - __bch_cut_front(top->k, k); - else if (KEY_SIZE(k)) - bch_cut_back(&START_KEY(k), top->k); - - if (top->k < i->k || k == i->k) + if (bkey_cmp(top->k, &START_KEY(i->k)) <= 0) break; - heap_sift(iter, i - top, btree_iter_cmp); + if (!KEY_SIZE(i->k)) { + sort_key_next(iter, i); + heap_sift(iter, i - top, btree_iter_cmp); + continue; + } + + if (top->k > i->k) { + if (bkey_cmp(top->k, i->k) >= 0) + sort_key_next(iter, i); + else + bch_cut_front(top->k, i->k); + + heap_sift(iter, i - top, btree_iter_cmp); + } else { + /* can't happen because of comparison func */ + BUG_ON(!bkey_cmp(&START_KEY(top->k), &START_KEY(i->k))); + bch_cut_back(&START_KEY(i->k), top->k); + } } } diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index f9764e61978..f42fc7ed9cd 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -255,7 +255,7 @@ void bch_btree_node_read(struct btree *b) return; err: - bch_cache_set_error(b->c, "io error reading bucket %lu", + bch_cache_set_error(b->c, "io error reading bucket %zu", PTR_BUCKET_NR(b->c, &b->key, 0)); } @@ -612,7 +612,7 @@ static unsigned long bch_mca_scan(struct shrinker *shrink, return SHRINK_STOP; /* Return -1 if we can't do anything right now */ - if (sc->gfp_mask & __GFP_WAIT) + if (sc->gfp_mask & __GFP_IO) mutex_lock(&c->bucket_lock); else if (!mutex_trylock(&c->bucket_lock)) return -1; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index ba95ab84b2b..8435f81e5d8 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -153,7 +153,8 @@ int bch_journal_read(struct cache_set *c, struct list_head *list, bitmap_zero(bitmap, SB_JOURNAL_BUCKETS); pr_debug("%u journal buckets", ca->sb.njournal_buckets); - /* Read journal buckets ordered by golden ratio hash to quickly + /* + * Read journal buckets ordered by golden ratio hash to quickly * find a sequence of buckets with valid journal entries */ for (i = 0; i < ca->sb.njournal_buckets; i++) { @@ -166,18 +167,20 @@ int bch_journal_read(struct cache_set *c, struct list_head *list, goto bsearch; } - /* If that fails, check all the buckets we haven't checked + /* + * If that fails, check all the buckets we haven't checked * already */ pr_debug("falling back to linear search"); - for (l = 0; l < ca->sb.njournal_buckets; l++) { - if (test_bit(l, bitmap)) - continue; - + for (l = find_first_zero_bit(bitmap, ca->sb.njournal_buckets); + l < ca->sb.njournal_buckets; + l = find_next_zero_bit(bitmap, ca->sb.njournal_buckets, l + 1)) if (read_bucket(l)) goto bsearch; - } + + if (list_empty(list)) + continue; bsearch: /* Binary search */ m = r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1); @@ -197,10 +200,12 @@ bsearch: r = m; } - /* Read buckets in reverse order until we stop finding more + /* + * Read buckets in reverse order until we stop finding more * journal entries */ - pr_debug("finishing up"); + pr_debug("finishing up: m %u njournal_buckets %u", + m, ca->sb.njournal_buckets); l = m; while (1) { @@ -228,9 +233,10 @@ bsearch: } } - c->journal.seq = list_entry(list->prev, - struct journal_replay, - list)->j.seq; + if (!list_empty(list)) + c->journal.seq = list_entry(list->prev, + struct journal_replay, + list)->j.seq; return 0; #undef read_bucket @@ -428,7 +434,7 @@ static void do_journal_discard(struct cache *ca) return; } - switch (atomic_read(&ja->discard_in_flight) == DISCARD_IN_FLIGHT) { + switch (atomic_read(&ja->discard_in_flight)) { case DISCARD_IN_FLIGHT: return; @@ -689,6 +695,7 @@ void bch_journal_meta(struct cache_set *c, struct closure *cl) if (cl) BUG_ON(!closure_wait(&w->wait, cl)); + closure_flush(&c->journal.io); __journal_try_write(c, true); } } diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 786a1a4f74d..71eb233b9ac 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -997,14 +997,17 @@ static void request_write(struct cached_dev *dc, struct search *s) } else { bch_writeback_add(dc); - if (s->op.flush_journal) { + if (bio->bi_rw & REQ_FLUSH) { /* Also need to send a flush to the backing device */ - s->op.cache_bio = bio_clone_bioset(bio, GFP_NOIO, - dc->disk.bio_split); + struct bio *flush = bio_alloc_bioset(0, GFP_NOIO, + dc->disk.bio_split); - bio->bi_size = 0; - bio->bi_vcnt = 0; - closure_bio_submit(bio, cl, s->d); + flush->bi_rw = WRITE_FLUSH; + flush->bi_bdev = bio->bi_bdev; + flush->bi_end_io = request_endio; + flush->bi_private = cl; + + closure_bio_submit(flush, cl, s->d); } else { s->op.cache_bio = bio; } diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 4fe6ab2fbe2..924dcfdae11 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -223,8 +223,13 @@ STORE(__cached_dev) } if (attr == &sysfs_label) { - /* note: endlines are preserved */ - memcpy(dc->sb.label, buf, SB_LABEL_SIZE); + if (size > SB_LABEL_SIZE) + return -EINVAL; + memcpy(dc->sb.label, buf, size); + if (size < SB_LABEL_SIZE) + dc->sb.label[size] = '\0'; + if (size && dc->sb.label[size - 1] == '\n') + dc->sb.label[size - 1] = '\0'; bch_write_bdev_super(dc, NULL); if (dc->disk.c) { memcpy(dc->disk.c->uuids[dc->disk.id].label, diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c index 98eb81159a2..420dad545c7 100644 --- a/drivers/md/bcache/util.c +++ b/drivers/md/bcache/util.c @@ -190,7 +190,16 @@ void bch_time_stats_update(struct time_stats *stats, uint64_t start_time) stats->last = now ?: 1; } -unsigned bch_next_delay(struct ratelimit *d, uint64_t done) +/** + * bch_next_delay() - increment @d by the amount of work done, and return how + * long to delay until the next time to do some work. + * + * @d - the struct bch_ratelimit to update + * @done - the amount of work done, in arbitrary units + * + * Returns the amount of time to delay by, in jiffies + */ +uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done) { uint64_t now = local_clock(); diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h index 1ae2a73ad85..ea345c6896f 100644 --- a/drivers/md/bcache/util.h +++ b/drivers/md/bcache/util.h @@ -450,17 +450,23 @@ read_attribute(name ## _last_ ## frequency_units) (ewma) >> factor; \ }) -struct ratelimit { +struct bch_ratelimit { + /* Next time we want to do some work, in nanoseconds */ uint64_t next; + + /* + * Rate at which we want to do work, in units per nanosecond + * The units here correspond to the units passed to bch_next_delay() + */ unsigned rate; }; -static inline void ratelimit_reset(struct ratelimit *d) +static inline void bch_ratelimit_reset(struct bch_ratelimit *d) { d->next = local_clock(); } -unsigned bch_next_delay(struct ratelimit *d, uint64_t done); +uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done); #define __DIV_SAFE(n, d, zero) \ ({ \ diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 22cbff55162..ba3ee48320f 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -94,11 +94,15 @@ static void update_writeback_rate(struct work_struct *work) static unsigned writeback_delay(struct cached_dev *dc, unsigned sectors) { + uint64_t ret; + if (atomic_read(&dc->disk.detaching) || !dc->writeback_percent) return 0; - return bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL); + ret = bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL); + + return min_t(uint64_t, ret, HZ); } /* Background writeback */ @@ -208,7 +212,7 @@ normal_refill: up_write(&dc->writeback_lock); - ratelimit_reset(&dc->writeback_rate); + bch_ratelimit_reset(&dc->writeback_rate); /* Punt to workqueue only so we don't recurse and blow the stack */ continue_at(cl, read_dirty, dirty_wq); @@ -318,9 +322,7 @@ static void write_dirty_finish(struct closure *cl) } bch_keybuf_del(&dc->writeback_keys, w); - atomic_dec_bug(&dc->in_flight); - - closure_wake_up(&dc->writeback_wait); + up(&dc->in_flight); closure_return_with_destructor(cl, dirty_io_destructor); } @@ -349,7 +351,7 @@ static void write_dirty(struct closure *cl) closure_bio_submit(&io->bio, cl, &io->dc->disk); - continue_at(cl, write_dirty_finish, dirty_wq); + continue_at(cl, write_dirty_finish, system_wq); } static void read_dirty_endio(struct bio *bio, int error) @@ -369,7 +371,7 @@ static void read_dirty_submit(struct closure *cl) closure_bio_submit(&io->bio, cl, &io->dc->disk); - continue_at(cl, write_dirty, dirty_wq); + continue_at(cl, write_dirty, system_wq); } static void read_dirty(struct closure *cl) @@ -394,12 +396,8 @@ static void read_dirty(struct closure *cl) if (delay > 0 && (KEY_START(&w->key) != dc->last_read || - jiffies_to_msecs(delay) > 50)) { - w->private = NULL; - - closure_delay(&dc->writeback, delay); - continue_at(cl, read_dirty, dirty_wq); - } + jiffies_to_msecs(delay) > 50)) + delay = schedule_timeout_uninterruptible(delay); dc->last_read = KEY_OFFSET(&w->key); @@ -424,15 +422,10 @@ static void read_dirty(struct closure *cl) trace_bcache_writeback(&w->key); - closure_call(&io->cl, read_dirty_submit, NULL, &dc->disk.cl); + down(&dc->in_flight); + closure_call(&io->cl, read_dirty_submit, NULL, cl); delay = writeback_delay(dc, KEY_SIZE(&w->key)); - - atomic_inc(&dc->in_flight); - - if (!closure_wait_event(&dc->writeback_wait, cl, - atomic_read(&dc->in_flight) < 64)) - continue_at(cl, read_dirty, dirty_wq); } if (0) { @@ -442,7 +435,11 @@ err: bch_keybuf_del(&dc->writeback_keys, w); } - refill_dirty(cl); + /* + * Wait for outstanding writeback IOs to finish (and keybuf slots to be + * freed) before refilling again + */ + continue_at(cl, refill_dirty, dirty_wq); } /* Init */ @@ -484,6 +481,7 @@ void bch_sectors_dirty_init(struct cached_dev *dc) void bch_cached_dev_writeback_init(struct cached_dev *dc) { + sema_init(&dc->in_flight, 64); closure_init_unlocked(&dc->writeback); init_rwsem(&dc->writeback_lock); @@ -513,7 +511,7 @@ void bch_writeback_exit(void) int __init bch_writeback_init(void) { - dirty_wq = create_singlethread_workqueue("bcache_writeback"); + dirty_wq = create_workqueue("bcache_writeback"); if (!dirty_wq) return -ENOMEM; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index ea49834377c..2a20986a2fe 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -19,8 +19,6 @@ #define DM_MSG_PREFIX "io" #define DM_IO_MAX_REGIONS BITS_PER_LONG -#define MIN_IOS 16 -#define MIN_BIOS 16 struct dm_io_client { mempool_t *pool; @@ -50,16 +48,17 @@ static struct kmem_cache *_dm_io_cache; struct dm_io_client *dm_io_client_create(void) { struct dm_io_client *client; + unsigned min_ios = dm_get_reserved_bio_based_ios(); client = kmalloc(sizeof(*client), GFP_KERNEL); if (!client) return ERR_PTR(-ENOMEM); - client->pool = mempool_create_slab_pool(MIN_IOS, _dm_io_cache); + client->pool = mempool_create_slab_pool(min_ios, _dm_io_cache); if (!client->pool) goto bad; - client->bios = bioset_create(MIN_BIOS, 0); + client->bios = bioset_create(min_ios, 0); if (!client->bios) goto bad; diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index b759a127f9c..de570a55876 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -7,6 +7,7 @@ #include <linux/device-mapper.h> +#include "dm.h" #include "dm-path-selector.h" #include "dm-uevent.h" @@ -116,8 +117,6 @@ struct dm_mpath_io { typedef int (*action_fn) (struct pgpath *pgpath); -#define MIN_IOS 256 /* Mempool size */ - static struct kmem_cache *_mpio_cache; static struct workqueue_struct *kmultipathd, *kmpath_handlerd; @@ -190,6 +189,7 @@ static void free_priority_group(struct priority_group *pg, static struct multipath *alloc_multipath(struct dm_target *ti) { struct multipath *m; + unsigned min_ios = dm_get_reserved_rq_based_ios(); m = kzalloc(sizeof(*m), GFP_KERNEL); if (m) { @@ -202,7 +202,7 @@ static struct multipath *alloc_multipath(struct dm_target *ti) INIT_WORK(&m->trigger_event, trigger_event); init_waitqueue_head(&m->pg_init_wait); mutex_init(&m->work_mutex); - m->mpio_pool = mempool_create_slab_pool(MIN_IOS, _mpio_cache); + m->mpio_pool = mempool_create_slab_pool(min_ios, _mpio_cache); if (!m->mpio_pool) { kfree(m); return NULL; @@ -1268,6 +1268,7 @@ static int noretry_error(int error) case -EREMOTEIO: case -EILSEQ: case -ENODATA: + case -ENOSPC: return 1; } @@ -1298,8 +1299,17 @@ static int do_end_io(struct multipath *m, struct request *clone, if (!error && !clone->errors) return 0; /* I/O complete */ - if (noretry_error(error)) + if (noretry_error(error)) { + if ((clone->cmd_flags & REQ_WRITE_SAME) && + !clone->q->limits.max_write_same_sectors) { + struct queue_limits *limits; + + /* device doesn't really support WRITE SAME, disable it */ + limits = dm_get_queue_limits(dm_table_get_md(m->ti->table)); + limits->max_write_same_sectors = 0; + } return error; + } if (mpio->pgpath) fail_path(mpio->pgpath); diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 3ac415675b6..4caa8e6d59d 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -256,7 +256,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw, */ INIT_WORK_ONSTACK(&req.work, do_metadata); queue_work(ps->metadata_wq, &req.work); - flush_work(&req.work); + flush_workqueue(ps->metadata_wq); return req.result; } diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index c434e5aab2d..aec57d76db5 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -725,17 +725,16 @@ static int calc_max_buckets(void) */ static int init_hash_tables(struct dm_snapshot *s) { - sector_t hash_size, cow_dev_size, origin_dev_size, max_buckets; + sector_t hash_size, cow_dev_size, max_buckets; /* * Calculate based on the size of the original volume or * the COW volume... */ cow_dev_size = get_dev_size(s->cow->bdev); - origin_dev_size = get_dev_size(s->origin->bdev); max_buckets = calc_max_buckets(); - hash_size = min(origin_dev_size, cow_dev_size) >> s->store->chunk_shift; + hash_size = cow_dev_size >> s->store->chunk_shift; hash_size = min(hash_size, max_buckets); if (hash_size < 64) diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 8ae31e8d3d6..3d404c1371e 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -451,19 +451,26 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry, struct dm_stat_percpu *p; /* - * For strict correctness we should use local_irq_disable/enable + * For strict correctness we should use local_irq_save/restore * instead of preempt_disable/enable. * - * This is racy if the driver finishes bios from non-interrupt - * context as well as from interrupt context or from more different - * interrupts. + * preempt_disable/enable is racy if the driver finishes bios + * from non-interrupt context as well as from interrupt context + * or from more different interrupts. * - * However, the race only results in not counting some events, - * so it is acceptable. + * On 64-bit architectures the race only results in not counting some + * events, so it is acceptable. On 32-bit architectures the race could + * cause the counter going off by 2^32, so we need to do proper locking + * there. * * part_stat_lock()/part_stat_unlock() have this race too. */ +#if BITS_PER_LONG == 32 + unsigned long flags; + local_irq_save(flags); +#else preempt_disable(); +#endif p = &s->stat_percpu[smp_processor_id()][entry]; if (!end) { @@ -478,7 +485,11 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry, p->ticks[idx] += duration; } +#if BITS_PER_LONG == 32 + local_irq_restore(flags); +#else preempt_enable(); +#endif } static void __dm_stat_bio(struct dm_stat *s, unsigned long bi_rw, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index ed063427d67..2c0cf511ec2 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2095,6 +2095,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) * them down to the data device. The thin device's discard * processing will cause mappings to be removed from the btree. */ + ti->discard_zeroes_data_unsupported = true; if (pf.discard_enabled && pf.discard_passdown) { ti->num_discard_bios = 1; @@ -2104,7 +2105,6 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) * thin devices' discard limits consistent). */ ti->discards_supported = true; - ti->discard_zeroes_data_unsupported = true; } ti->private = pt; @@ -2689,8 +2689,16 @@ static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits) * They get transferred to the live pool in bind_control_target() * called from pool_preresume(). */ - if (!pt->adjusted_pf.discard_enabled) + if (!pt->adjusted_pf.discard_enabled) { + /* + * Must explicitly disallow stacking discard limits otherwise the + * block layer will stack them if pool's data device has support. + * QUEUE_FLAG_DISCARD wouldn't be set but there is no way for the + * user to see that, so make sure to set all discard limits to 0. + */ + limits->discard_granularity = 0; return; + } disable_passdown_if_not_supported(pt); @@ -2826,10 +2834,10 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->per_bio_data_size = sizeof(struct dm_thin_endio_hook); /* In case the pool supports discards, pass them on. */ + ti->discard_zeroes_data_unsupported = true; if (tc->pool->pf.discard_enabled) { ti->discards_supported = true; ti->num_discard_bios = 1; - ti->discard_zeroes_data_unsupported = true; /* Discard bios must be split on a block boundary */ ti->split_discard_bios = true; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6a5e9ed2fcc..b3e26c7d141 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -211,10 +211,55 @@ struct dm_md_mempools { struct bio_set *bs; }; -#define MIN_IOS 256 +#define RESERVED_BIO_BASED_IOS 16 +#define RESERVED_REQUEST_BASED_IOS 256 +#define RESERVED_MAX_IOS 1024 static struct kmem_cache *_io_cache; static struct kmem_cache *_rq_tio_cache; +/* + * Bio-based DM's mempools' reserved IOs set by the user. + */ +static unsigned reserved_bio_based_ios = RESERVED_BIO_BASED_IOS; + +/* + * Request-based DM's mempools' reserved IOs set by the user. + */ +static unsigned reserved_rq_based_ios = RESERVED_REQUEST_BASED_IOS; + +static unsigned __dm_get_reserved_ios(unsigned *reserved_ios, + unsigned def, unsigned max) +{ + unsigned ios = ACCESS_ONCE(*reserved_ios); + unsigned modified_ios = 0; + + if (!ios) + modified_ios = def; + else if (ios > max) + modified_ios = max; + + if (modified_ios) { + (void)cmpxchg(reserved_ios, ios, modified_ios); + ios = modified_ios; + } + + return ios; +} + +unsigned dm_get_reserved_bio_based_ios(void) +{ + return __dm_get_reserved_ios(&reserved_bio_based_ios, + RESERVED_BIO_BASED_IOS, RESERVED_MAX_IOS); +} +EXPORT_SYMBOL_GPL(dm_get_reserved_bio_based_ios); + +unsigned dm_get_reserved_rq_based_ios(void) +{ + return __dm_get_reserved_ios(&reserved_rq_based_ios, + RESERVED_REQUEST_BASED_IOS, RESERVED_MAX_IOS); +} +EXPORT_SYMBOL_GPL(dm_get_reserved_rq_based_ios); + static int __init local_init(void) { int r = -ENOMEM; @@ -2278,6 +2323,17 @@ struct target_type *dm_get_immutable_target_type(struct mapped_device *md) } /* + * The queue_limits are only valid as long as you have a reference + * count on 'md'. + */ +struct queue_limits *dm_get_queue_limits(struct mapped_device *md) +{ + BUG_ON(!atomic_read(&md->holders)); + return &md->queue->limits; +} +EXPORT_SYMBOL_GPL(dm_get_queue_limits); + +/* * Fully initialize a request-based queue (->elevator, ->request_fn, etc). */ static int dm_init_request_based_queue(struct mapped_device *md) @@ -2862,18 +2918,18 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity, u if (type == DM_TYPE_BIO_BASED) { cachep = _io_cache; - pool_size = 16; + pool_size = dm_get_reserved_bio_based_ios(); front_pad = roundup(per_bio_data_size, __alignof__(struct dm_target_io)) + offsetof(struct dm_target_io, clone); } else if (type == DM_TYPE_REQUEST_BASED) { cachep = _rq_tio_cache; - pool_size = MIN_IOS; + pool_size = dm_get_reserved_rq_based_ios(); front_pad = offsetof(struct dm_rq_clone_bio_info, clone); /* per_bio_data_size is not used. See __bind_mempools(). */ WARN_ON(per_bio_data_size != 0); } else goto out; - pools->io_pool = mempool_create_slab_pool(MIN_IOS, cachep); + pools->io_pool = mempool_create_slab_pool(pool_size, cachep); if (!pools->io_pool) goto out; @@ -2924,6 +2980,13 @@ module_exit(dm_exit); module_param(major, uint, 0); MODULE_PARM_DESC(major, "The major number of the device mapper"); + +module_param(reserved_bio_based_ios, uint, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(reserved_bio_based_ios, "Reserved IOs in bio-based mempools"); + +module_param(reserved_rq_based_ios, uint, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(reserved_rq_based_ios, "Reserved IOs in request-based mempools"); + MODULE_DESCRIPTION(DM_NAME " driver"); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 5e604cc7b4a..1d1ad7b7e52 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -184,6 +184,9 @@ void dm_free_md_mempools(struct dm_md_mempools *pools); /* * Helpers that are used by DM core */ +unsigned dm_get_reserved_bio_based_ios(void); +unsigned dm_get_reserved_rq_based_ios(void); + static inline bool dm_message_test_buffer_overflow(char *result, unsigned maxlen) { return !maxlen || strlen(result) + 1 >= maxlen; diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index d0fdc134068..f6ff711aa5b 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -57,6 +57,7 @@ void mei_amthif_reset_params(struct mei_device *dev) dev->iamthif_ioctl = false; dev->iamthif_state = MEI_IAMTHIF_IDLE; dev->iamthif_timer = 0; + dev->iamthif_stall_timer = 0; } /** diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 6d0282c08a0..cd2033cd712 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -297,10 +297,13 @@ int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length) if (cl->reading_state != MEI_READ_COMPLETE && !waitqueue_active(&cl->rx_wait)) { + mutex_unlock(&dev->device_lock); if (wait_event_interruptible(cl->rx_wait, - (MEI_READ_COMPLETE == cl->reading_state))) { + cl->reading_state == MEI_READ_COMPLETE || + mei_cl_is_transitioning(cl))) { + if (signal_pending(current)) return -EINTR; return -ERESTARTSYS; diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h index 9eb031e9207..892cc4207fa 100644 --- a/drivers/misc/mei/client.h +++ b/drivers/misc/mei/client.h @@ -90,6 +90,12 @@ static inline bool mei_cl_is_connected(struct mei_cl *cl) cl->dev->dev_state == MEI_DEV_ENABLED && cl->state == MEI_FILE_CONNECTED); } +static inline bool mei_cl_is_transitioning(struct mei_cl *cl) +{ + return (MEI_FILE_INITIALIZING == cl->state || + MEI_FILE_DISCONNECTED == cl->state || + MEI_FILE_DISCONNECTING == cl->state); +} bool mei_cl_is_other_connecting(struct mei_cl *cl); int mei_cl_disconnect(struct mei_cl *cl); diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 6127ab64bb3..0a0448326e9 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -35,11 +35,15 @@ static void mei_hbm_me_cl_allocate(struct mei_device *dev) struct mei_me_client *clients; int b; + dev->me_clients_num = 0; + dev->me_client_presentation_num = 0; + dev->me_client_index = 0; + /* count how many ME clients we have */ for_each_set_bit(b, dev->me_clients_map, MEI_CLIENTS_MAX) dev->me_clients_num++; - if (dev->me_clients_num <= 0) + if (dev->me_clients_num == 0) return; kfree(dev->me_clients); @@ -221,7 +225,7 @@ static int mei_hbm_prop_req(struct mei_device *dev) struct hbm_props_request *prop_req; const size_t len = sizeof(struct hbm_props_request); unsigned long next_client_index; - u8 client_num; + unsigned long client_num; client_num = dev->me_client_presentation_num; @@ -677,8 +681,6 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) if (dev->dev_state == MEI_DEV_INIT_CLIENTS && dev->hbm_state == MEI_HBM_ENUM_CLIENTS) { dev->init_clients_timer = 0; - dev->me_client_presentation_num = 0; - dev->me_client_index = 0; mei_hbm_me_cl_allocate(dev); dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES; diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 92c73118b13..6197018e2f1 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -175,6 +175,9 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled) memset(&dev->wr_ext_msg, 0, sizeof(dev->wr_ext_msg)); } + /* we're already in reset, cancel the init timer */ + dev->init_clients_timer = 0; + dev->me_clients_num = 0; dev->rd_msg_hdr = 0; dev->wd_pending = false; diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 173ff095be0..cabeddd66c1 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -249,19 +249,16 @@ static ssize_t mei_read(struct file *file, char __user *ubuf, mutex_unlock(&dev->device_lock); if (wait_event_interruptible(cl->rx_wait, - (MEI_READ_COMPLETE == cl->reading_state || - MEI_FILE_INITIALIZING == cl->state || - MEI_FILE_DISCONNECTED == cl->state || - MEI_FILE_DISCONNECTING == cl->state))) { + MEI_READ_COMPLETE == cl->reading_state || + mei_cl_is_transitioning(cl))) { + if (signal_pending(current)) return -EINTR; return -ERESTARTSYS; } mutex_lock(&dev->device_lock); - if (MEI_FILE_INITIALIZING == cl->state || - MEI_FILE_DISCONNECTED == cl->state || - MEI_FILE_DISCONNECTING == cl->state) { + if (mei_cl_is_transitioning(cl)) { rets = -EBUSY; goto out; } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 7b918b2fb89..456b322013e 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -396,9 +396,9 @@ struct mei_device { struct mei_me_client *me_clients; /* Note: memory has to be allocated */ DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX); DECLARE_BITMAP(host_clients_map, MEI_CLIENTS_MAX); - u8 me_clients_num; - u8 me_client_presentation_num; - u8 me_client_index; + unsigned long me_clients_num; + unsigned long me_client_presentation_num; + unsigned long me_client_index; struct mei_cl wd_cl; enum mei_wd_states wd_state; diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 87ed3fb5149..f344659dcea 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -113,14 +113,14 @@ static const struct sh_mobile_sdhi_ops sdhi_ops = { }; static const struct of_device_id sh_mobile_sdhi_of_match[] = { - { .compatible = "renesas,shmobile-sdhi" }, - { .compatible = "renesas,sh7372-sdhi" }, - { .compatible = "renesas,sh73a0-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a73a4-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7740-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7778-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7779-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7790-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-shmobile" }, + { .compatible = "renesas,sdhi-sh7372" }, + { .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7778", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7779", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7790", .data = &sh_mobile_sdhi_of_cfg[0], }, {}, }; MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 55bbb8b8200..e883bfe2e72 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1724,6 +1724,7 @@ static int __bond_release_one(struct net_device *bond_dev, struct bonding *bond = netdev_priv(bond_dev); struct slave *slave, *oldcurrent; struct sockaddr addr; + int old_flags = bond_dev->flags; netdev_features_t old_features = bond_dev->features; /* slave is not a slave or master is not master of this slave */ @@ -1855,12 +1856,18 @@ static int __bond_release_one(struct net_device *bond_dev, * bond_change_active_slave(..., NULL) */ if (!USES_PRIMARY(bond->params.mode)) { - /* unset promiscuity level from slave */ - if (bond_dev->flags & IFF_PROMISC) + /* unset promiscuity level from slave + * NOTE: The NETDEV_CHANGEADDR call above may change the value + * of the IFF_PROMISC flag in the bond_dev, but we need the + * value of that flag before that change, as that was the value + * when this slave was attached, so we cache at the start of the + * function and use it here. Same goes for ALLMULTI below + */ + if (old_flags & IFF_PROMISC) dev_set_promiscuity(slave_dev, -1); /* unset allmulti level from slave */ - if (bond_dev->flags & IFF_ALLMULTI) + if (old_flags & IFF_ALLMULTI) dev_set_allmulti(slave_dev, -1); bond_hw_addr_flush(bond_dev, slave_dev); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 71c677e651d..3f21142138b 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -702,7 +702,6 @@ static int flexcan_chip_start(struct net_device *dev) { struct flexcan_priv *priv = netdev_priv(dev); struct flexcan_regs __iomem *regs = priv->base; - unsigned int i; int err; u32 reg_mcr, reg_ctrl; @@ -772,17 +771,6 @@ static int flexcan_chip_start(struct net_device *dev) netdev_dbg(dev, "%s: writing ctrl=0x%08x", __func__, reg_ctrl); flexcan_write(reg_ctrl, ®s->ctrl); - for (i = 0; i < ARRAY_SIZE(regs->cantxfg); i++) { - flexcan_write(0, ®s->cantxfg[i].can_ctrl); - flexcan_write(0, ®s->cantxfg[i].can_id); - flexcan_write(0, ®s->cantxfg[i].data[0]); - flexcan_write(0, ®s->cantxfg[i].data[1]); - - /* put MB into rx queue */ - flexcan_write(FLEXCAN_MB_CNT_CODE(0x4), - ®s->cantxfg[i].can_ctrl); - } - /* acceptance mask/acceptance code (accept everything) */ flexcan_write(0x0, ®s->rxgmask); flexcan_write(0x0, ®s->rx14mask); diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 874188ba06f..25377e547f9 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -76,6 +76,10 @@ MODULE_PARM_DESC(maxdev, "Maximum number of slcan interfaces"); /* maximum rx buffer len: extended CAN frame with timestamp */ #define SLC_MTU (sizeof("T1111222281122334455667788EA5F\r")+1) +#define SLC_CMD_LEN 1 +#define SLC_SFF_ID_LEN 3 +#define SLC_EFF_ID_LEN 8 + struct slcan { int magic; @@ -142,47 +146,63 @@ static void slc_bump(struct slcan *sl) { struct sk_buff *skb; struct can_frame cf; - int i, dlc_pos, tmp; - unsigned long ultmp; - char cmd = sl->rbuff[0]; - - if ((cmd != 't') && (cmd != 'T') && (cmd != 'r') && (cmd != 'R')) + int i, tmp; + u32 tmpid; + char *cmd = sl->rbuff; + + cf.can_id = 0; + + switch (*cmd) { + case 'r': + cf.can_id = CAN_RTR_FLAG; + /* fallthrough */ + case 't': + /* store dlc ASCII value and terminate SFF CAN ID string */ + cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN]; + sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN] = 0; + /* point to payload data behind the dlc */ + cmd += SLC_CMD_LEN + SLC_SFF_ID_LEN + 1; + break; + case 'R': + cf.can_id = CAN_RTR_FLAG; + /* fallthrough */ + case 'T': + cf.can_id |= CAN_EFF_FLAG; + /* store dlc ASCII value and terminate EFF CAN ID string */ + cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN]; + sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN] = 0; + /* point to payload data behind the dlc */ + cmd += SLC_CMD_LEN + SLC_EFF_ID_LEN + 1; + break; + default: return; + } - if (cmd & 0x20) /* tiny chars 'r' 't' => standard frame format */ - dlc_pos = 4; /* dlc position tiiid */ - else - dlc_pos = 9; /* dlc position Tiiiiiiiid */ - - if (!((sl->rbuff[dlc_pos] >= '0') && (sl->rbuff[dlc_pos] < '9'))) + if (kstrtou32(sl->rbuff + SLC_CMD_LEN, 16, &tmpid)) return; - cf.can_dlc = sl->rbuff[dlc_pos] - '0'; /* get can_dlc from ASCII val */ + cf.can_id |= tmpid; - sl->rbuff[dlc_pos] = 0; /* terminate can_id string */ - - if (kstrtoul(sl->rbuff+1, 16, &ultmp)) + /* get can_dlc from sanitized ASCII value */ + if (cf.can_dlc >= '0' && cf.can_dlc < '9') + cf.can_dlc -= '0'; + else return; - cf.can_id = ultmp; - - if (!(cmd & 0x20)) /* NO tiny chars => extended frame format */ - cf.can_id |= CAN_EFF_FLAG; - - if ((cmd | 0x20) == 'r') /* RTR frame */ - cf.can_id |= CAN_RTR_FLAG; - *(u64 *) (&cf.data) = 0; /* clear payload */ - for (i = 0, dlc_pos++; i < cf.can_dlc; i++) { - tmp = hex_to_bin(sl->rbuff[dlc_pos++]); - if (tmp < 0) - return; - cf.data[i] = (tmp << 4); - tmp = hex_to_bin(sl->rbuff[dlc_pos++]); - if (tmp < 0) - return; - cf.data[i] |= tmp; + /* RTR frames may have a dlc > 0 but they never have any data bytes */ + if (!(cf.can_id & CAN_RTR_FLAG)) { + for (i = 0; i < cf.can_dlc; i++) { + tmp = hex_to_bin(*cmd++); + if (tmp < 0) + return; + cf.data[i] = (tmp << 4); + tmp = hex_to_bin(*cmd++); + if (tmp < 0) + return; + cf.data[i] |= tmp; + } } skb = dev_alloc_skb(sizeof(struct can_frame) + @@ -209,7 +229,6 @@ static void slc_bump(struct slcan *sl) /* parse tty input stream */ static void slcan_unesc(struct slcan *sl, unsigned char s) { - if ((s == '\r') || (s == '\a')) { /* CR or BEL ends the pdu */ if (!test_and_clear_bit(SLF_ERROR, &sl->flags) && (sl->rcount > 4)) { @@ -236,27 +255,46 @@ static void slcan_unesc(struct slcan *sl, unsigned char s) /* Encapsulate one can_frame and stuff into a TTY queue. */ static void slc_encaps(struct slcan *sl, struct can_frame *cf) { - int actual, idx, i; - char cmd; + int actual, i; + unsigned char *pos; + unsigned char *endpos; + canid_t id = cf->can_id; + + pos = sl->xbuff; if (cf->can_id & CAN_RTR_FLAG) - cmd = 'R'; /* becomes 'r' in standard frame format */ + *pos = 'R'; /* becomes 'r' in standard frame format (SFF) */ else - cmd = 'T'; /* becomes 't' in standard frame format */ + *pos = 'T'; /* becomes 't' in standard frame format (SSF) */ - if (cf->can_id & CAN_EFF_FLAG) - sprintf(sl->xbuff, "%c%08X%d", cmd, - cf->can_id & CAN_EFF_MASK, cf->can_dlc); - else - sprintf(sl->xbuff, "%c%03X%d", cmd | 0x20, - cf->can_id & CAN_SFF_MASK, cf->can_dlc); + /* determine number of chars for the CAN-identifier */ + if (cf->can_id & CAN_EFF_FLAG) { + id &= CAN_EFF_MASK; + endpos = pos + SLC_EFF_ID_LEN; + } else { + *pos |= 0x20; /* convert R/T to lower case for SFF */ + id &= CAN_SFF_MASK; + endpos = pos + SLC_SFF_ID_LEN; + } - idx = strlen(sl->xbuff); + /* build 3 (SFF) or 8 (EFF) digit CAN identifier */ + pos++; + while (endpos >= pos) { + *endpos-- = hex_asc_upper[id & 0xf]; + id >>= 4; + } + + pos += (cf->can_id & CAN_EFF_FLAG) ? SLC_EFF_ID_LEN : SLC_SFF_ID_LEN; - for (i = 0; i < cf->can_dlc; i++) - sprintf(&sl->xbuff[idx + 2*i], "%02X", cf->data[i]); + *pos++ = cf->can_dlc + '0'; + + /* RTR frames may have a dlc > 0 but they never have any data bytes */ + if (!(cf->can_id & CAN_RTR_FLAG)) { + for (i = 0; i < cf->can_dlc; i++) + pos = hex_byte_pack_upper(pos, cf->data[i]); + } - strcat(sl->xbuff, "\r"); /* add terminating character */ + *pos++ = '\r'; /* Order of next two lines is *very* important. * When we are sending a little amount of data, @@ -267,8 +305,8 @@ static void slc_encaps(struct slcan *sl, struct can_frame *cf) * 14 Oct 1994 Dmitry Gorodchanin. */ set_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); - actual = sl->tty->ops->write(sl->tty, sl->xbuff, strlen(sl->xbuff)); - sl->xleft = strlen(sl->xbuff) - actual; + actual = sl->tty->ops->write(sl->tty, sl->xbuff, pos - sl->xbuff); + sl->xleft = (pos - sl->xbuff) - actual; sl->xhead = sl->xbuff + actual; sl->dev->stats.tx_bytes += cf->can_dlc; } @@ -286,11 +324,13 @@ static void slcan_write_wakeup(struct tty_struct *tty) if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev)) return; + spin_lock(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + spin_unlock(&sl->lock); netif_wake_queue(sl->dev); return; } @@ -298,6 +338,7 @@ static void slcan_write_wakeup(struct tty_struct *tty) actual = tty->ops->write(tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; + spin_unlock(&sl->lock); } /* Send a can_frame to a TTY queue. */ diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index a0f647f92bf..0b7a4c3b01a 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -463,7 +463,7 @@ static int peak_usb_start(struct peak_usb_device *dev) if (i < PCAN_USB_MAX_TX_URBS) { if (i == 0) { netdev_err(netdev, "couldn't setup any tx URB\n"); - return err; + goto err_tx; } netdev_warn(netdev, "tx performance may be slow\n"); @@ -472,7 +472,7 @@ static int peak_usb_start(struct peak_usb_device *dev) if (dev->adapter->dev_start) { err = dev->adapter->dev_start(dev); if (err) - goto failed; + goto err_adapter; } dev->state |= PCAN_USB_STATE_STARTED; @@ -481,19 +481,26 @@ static int peak_usb_start(struct peak_usb_device *dev) if (dev->adapter->dev_set_bus) { err = dev->adapter->dev_set_bus(dev, 1); if (err) - goto failed; + goto err_adapter; } dev->can.state = CAN_STATE_ERROR_ACTIVE; return 0; -failed: +err_adapter: if (err == -ENODEV) netif_device_detach(dev->netdev); netdev_warn(netdev, "couldn't submit control: %d\n", err); + for (i = 0; i < PCAN_USB_MAX_TX_URBS; i++) { + usb_free_urb(dev->tx_contexts[i].urb); + dev->tx_contexts[i].urb = NULL; + } +err_tx: + usb_kill_anchored_urbs(&dev->rx_submitted); + return err; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 61726af1de6..e66beff2704 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2481,8 +2481,7 @@ load_error_cnic2: load_error_cnic1: bnx2x_napi_disable_cnic(bp); /* Update the number of queues without the cnic queues */ - rc = bnx2x_set_real_num_queues(bp, 0); - if (rc) + if (bnx2x_set_real_num_queues(bp, 0)) BNX2X_ERR("Unable to set real_num_queues not including cnic\n"); load_error_cnic0: BNX2X_ERR("CNIC-related load failed\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index d60a2ea3da1..51468227bf3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -175,6 +175,7 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy, #define EDC_MODE_LINEAR 0x0022 #define EDC_MODE_LIMITING 0x0044 #define EDC_MODE_PASSIVE_DAC 0x0055 +#define EDC_MODE_ACTIVE_DAC 0x0066 /* ETS defines*/ #define DCBX_INVALID_COS (0xFF) @@ -3684,6 +3685,41 @@ static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy, bnx2x_update_link_attr(params, vars->link_attr_sync); } +static void bnx2x_disable_kr2(struct link_params *params, + struct link_vars *vars, + struct bnx2x_phy *phy) +{ + struct bnx2x *bp = params->bp; + int i; + static struct bnx2x_reg_set reg_set[] = { + /* Step 1 - Program the TX/RX alignment markers */ + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} + }; + DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n"); + + for (i = 0; i < ARRAY_SIZE(reg_set); i++) + bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, + reg_set[i].val); + vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; + bnx2x_update_link_attr(params, vars->link_attr_sync); + + vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; +} + static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, struct link_params *params) { @@ -3715,7 +3751,6 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u16 lane, i, cl72_ctrl, an_adv = 0; - u16 ucode_ver; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, @@ -3806,15 +3841,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Advertise pause */ bnx2x_ext_phy_set_pause(params, phy, vars); - /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 - */ - bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver); - if (ucode_ver < 0xd108) { - DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n", - ucode_ver); - vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; - } + vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0x100); @@ -3838,6 +3865,8 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_set_aer_mmd(params, phy); bnx2x_warpcore_enable_AN_KR2(phy, params, vars); + } else { + bnx2x_disable_kr2(params, vars, phy); } /* Enable Autoneg: only on the main lane */ @@ -4347,20 +4376,14 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, struct bnx2x *bp = params->bp; u32 serdes_net_if; u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0; - u16 lane = bnx2x_get_warpcore_lane(phy, params); vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; if (!vars->turn_to_run_wc_rt) return; - /* Return if there is no link partner */ - if (!(bnx2x_warpcore_get_sigdet(phy, params))) { - DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n"); - return; - } - if (vars->rx_tx_asic_rst) { + u16 lane = bnx2x_get_warpcore_lane(phy, params); serdes_net_if = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_hw_config[params->port].default_cfg)) & @@ -4375,14 +4398,8 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, /*10G KR*/ lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; - DP(NETIF_MSG_LINK, - "gp_status1 0x%x\n", gp_status1); - if (lnkup_kr || lnkup) { - vars->rx_tx_asic_rst = 0; - DP(NETIF_MSG_LINK, - "link up, rx_tx_asic_rst 0x%x\n", - vars->rx_tx_asic_rst); + vars->rx_tx_asic_rst = 0; } else { /* Reset the lane to see if link comes up.*/ bnx2x_warpcore_reset_lane(bp, phy, 1); @@ -4507,10 +4524,14 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, * enabled transmitter to avoid current leakage in case * no module is connected */ - if (bnx2x_is_sfp_module_plugged(phy, params)) - bnx2x_sfp_module_detection(phy, params); - else - bnx2x_sfp_e3_set_transmitter(params, phy, 1); + if ((params->loopback_mode == LOOPBACK_NONE) || + (params->loopback_mode == LOOPBACK_EXT)) { + if (bnx2x_is_sfp_module_plugged(phy, params)) + bnx2x_sfp_module_detection(phy, params); + else + bnx2x_sfp_e3_set_transmitter(params, + phy, 1); + } bnx2x_warpcore_config_sfi(phy, params); break; @@ -5757,6 +5778,11 @@ static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, duplex); + /* In case of KR link down, start up the recovering procedure */ + if ((!link_up) && (phy->media_type == ETH_PHY_KR) && + (!(phy->flags & FLAGS_WC_DUAL_MODE))) + vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; + DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", vars->duplex, vars->flow_ctrl, vars->link_status); return rc; @@ -6507,6 +6533,11 @@ static int bnx2x_link_initialize(struct link_params *params, params->phy[INT_PHY].config_init(phy, params, vars); } + /* Re-read this value in case it was changed inside config_init due to + * limitations of optic module + */ + vars->line_speed = params->phy[INT_PHY].req_line_speed; + /* Init external phy*/ if (non_ext_phy) { if (params->phy[INT_PHY].supported & @@ -8080,7 +8111,10 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); - check_limiting_mode = 1; + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) + *edc_mode = EDC_MODE_ACTIVE_DAC; + else + check_limiting_mode = 1; } else if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { DP(NETIF_MSG_LINK, @@ -8555,6 +8589,7 @@ static void bnx2x_warpcore_set_limiting_mode(struct link_params *params, mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; break; case EDC_MODE_PASSIVE_DAC: + case EDC_MODE_ACTIVE_DAC: mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; break; default: @@ -9730,32 +9765,41 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, an_1000_val); - /* set 100 speed advertisement */ - if ((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) { - an_10_100_val |= (1<<7); - /* Enable autoneg and restart autoneg for legacy speeds */ - autoneg_val |= (1<<9 | 1<<12); - - if (phy->req_duplex == DUPLEX_FULL) + /* Set 10/100 speed advertisement */ + if (phy->req_line_speed == SPEED_AUTO_NEG) { + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { + /* Enable autoneg and restart autoneg for legacy speeds + */ + autoneg_val |= (1<<9 | 1<<12); an_10_100_val |= (1<<8); - DP(NETIF_MSG_LINK, "Advertising 100M\n"); - } - /* set 10 speed advertisement */ - if (((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) && - (phy->supported & - (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full)))) { - an_10_100_val |= (1<<5); - autoneg_val |= (1<<9 | 1<<12); - if (phy->req_duplex == DUPLEX_FULL) + DP(NETIF_MSG_LINK, "Advertising 100M-FD\n"); + } + + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { + /* Enable autoneg and restart autoneg for legacy speeds + */ + autoneg_val |= (1<<9 | 1<<12); + an_10_100_val |= (1<<7); + DP(NETIF_MSG_LINK, "Advertising 100M-HD\n"); + } + + if ((phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && + (phy->supported & SUPPORTED_10baseT_Full)) { an_10_100_val |= (1<<6); - DP(NETIF_MSG_LINK, "Advertising 10M\n"); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-FD\n"); + } + + if ((phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) && + (phy->supported & SUPPORTED_10baseT_Half)) { + an_10_100_val |= (1<<5); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-HD\n"); + } } /* Only 10/100 are allowed to work in FORCE mode */ @@ -13432,43 +13476,6 @@ static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy, } } } -static void bnx2x_disable_kr2(struct link_params *params, - struct link_vars *vars, - struct bnx2x_phy *phy) -{ - struct bnx2x *bp = params->bp; - int i; - static struct bnx2x_reg_set reg_set[] = { - /* Step 1 - Program the TX/RX alignment markers */ - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} - }; - DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n"); - - for (i = 0; i < ARRAY_SIZE(reg_set); i++) - bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, - reg_set[i].val); - vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; - bnx2x_update_link_attr(params, vars->link_attr_sync); - - vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; - /* Restart AN on leading lane */ - bnx2x_warpcore_restart_AN_KR(phy, params); -} - static void bnx2x_kr2_recovery(struct link_params *params, struct link_vars *vars, struct bnx2x_phy *phy) @@ -13546,6 +13553,8 @@ static void bnx2x_check_kr2_wa(struct link_params *params, /* Disable KR2 on both lanes */ DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page); bnx2x_disable_kr2(params, vars, phy); + /* Restart AN on leading lane */ + bnx2x_warpcore_restart_AN_KR(phy, params); return; } } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index a6704b55504..82b658d8c04 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -4703,6 +4703,14 @@ bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print) attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); + /* Since MCP attentions can't be disabled inside the block, we need to + * read AEU registers to see whether they're currently disabled + */ + attn.sig[3] &= ((REG_RD(bp, + !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0 + : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) & + MISC_AEU_ENABLE_MCP_PRTY_BITS) | + ~MISC_AEU_ENABLE_MCP_PRTY_BITS); if (!CHIP_IS_E1x(bp)) attn.sig[4] = REG_RD(bp, @@ -5447,26 +5455,24 @@ static void bnx2x_timer(unsigned long data) if (IS_PF(bp) && !BP_NOMCP(bp)) { int mb_idx = BP_FW_MB_IDX(bp); - u32 drv_pulse; - u32 mcp_pulse; + u16 drv_pulse; + u16 mcp_pulse; ++bp->fw_drv_pulse_wr_seq; bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; - /* TBD - add SYSTEM_TIME */ drv_pulse = bp->fw_drv_pulse_wr_seq; bnx2x_drv_pulse(bp); mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) & MCP_PULSE_SEQ_MASK); /* The delta between driver pulse and mcp response - * should be 1 (before mcp response) or 0 (after mcp response) + * should not get too big. If the MFW is more than 5 pulses + * behind, we should worry about it enough to generate an error + * log. */ - if ((drv_pulse != mcp_pulse) && - (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { - /* someone lost a heartbeat... */ - BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", + if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5) + BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n", drv_pulse, mcp_pulse); - } } if (bp->state == BNX2X_STATE_OPEN) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 2604b6204ab..9ad012bdd91 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1819,7 +1819,7 @@ bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); if (fid & IGU_FID_ENCODE_IS_PF) current_pf = fid & IGU_FID_PF_NUM_MASK; - else if (current_pf == BP_ABS_FUNC(bp)) + else if (current_pf == BP_FUNC(bp)) bnx2x_vf_set_igu_info(bp, sb_id, (fid & IGU_FID_VF_NUM_MASK)); DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", @@ -3180,6 +3180,7 @@ int bnx2x_enable_sriov(struct bnx2x *bp) /* set local queue arrays */ vf->vfqs = &bp->vfdb->vfqs[qcount]; qcount += vf_sb_count(vf); + bnx2x_iov_static_resc(bp, vf); } /* prepare msix vectors in VF configuration space */ @@ -3187,6 +3188,8 @@ int bnx2x_enable_sriov(struct bnx2x *bp) bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx)); REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL, num_vf_queues); + DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n", + vf_idx, num_vf_queues); } bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index 6cfb8873245..da16953eb2e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -1765,28 +1765,28 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, switch (mbx->first_tlv.tl.type) { case CHANNEL_TLV_ACQUIRE: bnx2x_vf_mbx_acquire(bp, vf, mbx); - break; + return; case CHANNEL_TLV_INIT: bnx2x_vf_mbx_init_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_SETUP_Q: bnx2x_vf_mbx_setup_q(bp, vf, mbx); - break; + return; case CHANNEL_TLV_SET_Q_FILTERS: bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); - break; + return; case CHANNEL_TLV_TEARDOWN_Q: bnx2x_vf_mbx_teardown_q(bp, vf, mbx); - break; + return; case CHANNEL_TLV_CLOSE: bnx2x_vf_mbx_close_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_RELEASE: bnx2x_vf_mbx_release_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_UPDATE_RSS: bnx2x_vf_mbx_update_rss(bp, vf, mbx); - break; + return; } } else { @@ -1802,26 +1802,24 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, for (i = 0; i < 20; i++) DP_CONT(BNX2X_MSG_IOV, "%x ", mbx->msg->req.tlv_buf_size.tlv_buffer[i]); + } - /* test whether we can respond to the VF (do we have an address - * for it?) - */ - if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { - /* mbx_resp uses the op_rc of the VF */ - vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; + /* can we respond to VF (do we have an address for it?) */ + if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { + /* mbx_resp uses the op_rc of the VF */ + vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; - /* notify the VF that we do not support this request */ - bnx2x_vf_mbx_resp(bp, vf); - } else { - /* can't send a response since this VF is unknown to us - * just ack the FW to release the mailbox and unlock - * the channel. - */ - storm_memset_vf_mbx_ack(bp, vf->abs_vfid); - mmiowb(); - bnx2x_unlock_vf_pf_channel(bp, vf, - mbx->first_tlv.tl.type); - } + /* notify the VF that we do not support this request */ + bnx2x_vf_mbx_resp(bp, vf); + } else { + /* can't send a response since this VF is unknown to us + * just ack the FW to release the mailbox and unlock + * the channel. + */ + storm_memset_vf_mbx_ack(bp, vf->abs_vfid); + /* Firmware ack should be written before unlocking channel */ + mmiowb(); + bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); } } diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index ace5050dba3..db020230bd0 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -88,6 +88,7 @@ static inline char *nic_name(struct pci_dev *pdev) #define BE_MIN_MTU 256 #define BE_NUM_VLANS_SUPPORTED 64 +#define BE_UMC_NUM_VLANS_SUPPORTED 15 #define BE_MAX_EQD 96u #define BE_MAX_TX_FRAG_COUNT 30 @@ -333,6 +334,7 @@ enum vf_state { #define BE_FLAGS_LINK_STATUS_INIT 1 #define BE_FLAGS_WORKER_SCHEDULED (1 << 3) +#define BE_FLAGS_VLAN_PROMISC (1 << 4) #define BE_FLAGS_NAPI_ENABLED (1 << 9) #define BE_UC_PMAC_COUNT 30 #define BE_VF_UC_PMAC_COUNT 2 diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 1ab5dab11ef..bd0e0c0bbcd 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -180,6 +180,9 @@ static int be_mcc_compl_process(struct be_adapter *adapter, dev_err(&adapter->pdev->dev, "opcode %d-%d failed:status %d-%d\n", opcode, subsystem, compl_status, extd_status); + + if (extd_status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) + return extd_status; } } done: @@ -1812,6 +1815,12 @@ int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value) } else if (flags & IFF_ALLMULTI) { req->if_flags_mask = req->if_flags = cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS); + } else if (flags & BE_FLAGS_VLAN_PROMISC) { + req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS); + + if (value == ON) + req->if_flags = + cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS); } else { struct netdev_hw_addr *ha; int i = 0; diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index d026226db88..108ca8abf0a 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -60,6 +60,8 @@ enum { MCC_STATUS_NOT_SUPPORTED = 66 }; +#define MCC_ADDL_STS_INSUFFICIENT_RESOURCES 0x16 + #define CQE_STATUS_COMPL_MASK 0xFFFF #define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */ #define CQE_STATUS_EXTD_MASK 0xFFFF @@ -1791,7 +1793,7 @@ struct be_nic_res_desc { u8 acpi_params; u8 wol_param; u16 rsvd7; - u32 rsvd8[3]; + u32 rsvd8[7]; } __packed; struct be_cmd_req_get_func_config { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 100b528b9bd..2c38cc40211 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -855,11 +855,11 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, unsigned int eth_hdr_len; struct iphdr *ip; - /* Lancer ASIC has a bug wherein packets that are 32 bytes or less + /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less * may cause a transmit stall on that port. So the work-around is to - * pad such packets to a 36-byte length. + * pad short packets (<= 32 bytes) to a 36-byte length. */ - if (unlikely(lancer_chip(adapter) && skb->len <= 32)) { + if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { if (skb_padto(skb, 36)) goto tx_drop; skb->len = 36; @@ -1013,18 +1013,40 @@ static int be_vid_config(struct be_adapter *adapter) status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num, 1, 0); - /* Set to VLAN promisc mode as setting VLAN filter failed */ if (status) { - dev_info(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); - dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering.\n"); - goto set_vlan_promisc; + /* Set to VLAN promisc mode as setting VLAN filter failed */ + if (status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) + goto set_vlan_promisc; + dev_err(&adapter->pdev->dev, + "Setting HW VLAN filtering failed.\n"); + } else { + if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { + /* hw VLAN filtering re-enabled. */ + status = be_cmd_rx_filter(adapter, + BE_FLAGS_VLAN_PROMISC, OFF); + if (!status) { + dev_info(&adapter->pdev->dev, + "Disabling VLAN Promiscuous mode.\n"); + adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; + dev_info(&adapter->pdev->dev, + "Re-Enabling HW VLAN filtering\n"); + } + } } return status; set_vlan_promisc: - status = be_cmd_vlan_config(adapter, adapter->if_handle, - NULL, 0, 1, 1); + dev_warn(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); + + status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); + if (!status) { + dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n"); + dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering\n"); + adapter->flags |= BE_FLAGS_VLAN_PROMISC; + } else + dev_err(&adapter->pdev->dev, + "Failed to enable VLAN Promiscuous mode.\n"); return status; } @@ -1033,10 +1055,6 @@ static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!lancer_chip(adapter) && !be_physfn(adapter)) { - status = -EINVAL; - goto ret; - } /* Packets with VID 0 are always received by Lancer by default */ if (lancer_chip(adapter) && vid == 0) @@ -1059,11 +1077,6 @@ static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!lancer_chip(adapter) && !be_physfn(adapter)) { - status = -EINVAL; - goto ret; - } - /* Packets with VID 0 are always received by Lancer by default */ if (lancer_chip(adapter) && vid == 0) goto ret; @@ -1188,8 +1201,8 @@ static int be_get_vf_config(struct net_device *netdev, int vf, vi->vf = vf; vi->tx_rate = vf_cfg->tx_rate; - vi->vlan = vf_cfg->vlan_tag; - vi->qos = 0; + vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; + vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); return 0; @@ -1199,28 +1212,29 @@ static int be_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) { struct be_adapter *adapter = netdev_priv(netdev); + struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; int status = 0; if (!sriov_enabled(adapter)) return -EPERM; - if (vf >= adapter->num_vfs || vlan > 4095) + if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) return -EINVAL; - if (vlan) { - if (adapter->vf_cfg[vf].vlan_tag != vlan) { + if (vlan || qos) { + vlan |= qos << VLAN_PRIO_SHIFT; + if (vf_cfg->vlan_tag != vlan) { /* If this is new value, program it. Else skip. */ - adapter->vf_cfg[vf].vlan_tag = vlan; - - status = be_cmd_set_hsw_config(adapter, vlan, - vf + 1, adapter->vf_cfg[vf].if_handle, 0); + vf_cfg->vlan_tag = vlan; + status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, + vf_cfg->if_handle, 0); } } else { /* Reset Transparent Vlan Tagging. */ - adapter->vf_cfg[vf].vlan_tag = 0; - vlan = adapter->vf_cfg[vf].def_vid; + vf_cfg->vlan_tag = 0; + vlan = vf_cfg->def_vid; status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, - adapter->vf_cfg[vf].if_handle, 0); + vf_cfg->if_handle, 0); } @@ -2963,6 +2977,8 @@ static void BEx_get_resources(struct be_adapter *adapter, if (adapter->function_mode & FLEX10_MODE) res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; + else if (adapter->function_mode & UMC_ENABLED) + res->max_vlans = BE_UMC_NUM_VLANS_SUPPORTED; else res->max_vlans = BE_NUM_VLANS_SUPPORTED; res->max_mcast_mac = BE_MAX_MC; diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 098f133908a..e006a09ba89 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -452,7 +452,9 @@ static int gianfar_ptp_probe(struct platform_device *dev) err = -ENODEV; etsects->caps = ptp_gianfar_caps; - etsects->cksel = DEFAULT_CKSEL; + + if (get_of_u32(node, "fsl,cksel", &etsects->cksel)) + etsects->cksel = DEFAULT_CKSEL; if (get_of_u32(node, "fsl,tclk-period", &etsects->tclk_period) || get_of_u32(node, "fsl,tmr-prsc", &etsects->tmr_prsc) || diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 0c524fa9f81..cfef7fc32cd 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -701,8 +701,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, details = I40E_ADMINQ_DETAILS(hw->aq.asq, hw->aq.asq.next_to_use); if (cmd_details) { - memcpy(details, cmd_details, - sizeof(struct i40e_asq_cmd_details)); + *details = *cmd_details; /* If the cmd_details are defined copy the cookie. The * cpu_to_le32 is not needed here because the data is ignored @@ -760,7 +759,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, desc_on_ring = I40E_ADMINQ_DESC(hw->aq.asq, hw->aq.asq.next_to_use); /* if the desc is available copy the temp desc to the right place */ - memcpy(desc_on_ring, desc, sizeof(struct i40e_aq_desc)); + *desc_on_ring = *desc; /* if buff is not NULL assume indirect command */ if (buff != NULL) { @@ -807,7 +806,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, /* if ready, copy the desc back to temp */ if (i40e_asq_done(hw)) { - memcpy(desc, desc_on_ring, sizeof(struct i40e_aq_desc)); + *desc = *desc_on_ring; if (buff != NULL) memcpy(buff, dma_buff->va, buff_size); retval = le16_to_cpu(desc->retval); diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index c21df7bc3b1..1e4ea134975 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -507,7 +507,7 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, /* save link status information */ if (link) - memcpy(link, hw_link_info, sizeof(struct i40e_link_status)); + *link = *hw_link_info; /* flag cleared so helper functions don't call AQ again */ hw->phy.get_link_info = false; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 601d482694e..221aa479501 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -101,10 +101,10 @@ int i40e_allocate_dma_mem_d(struct i40e_hw *hw, struct i40e_dma_mem *mem, mem->size = ALIGN(size, alignment); mem->va = dma_zalloc_coherent(&pf->pdev->dev, mem->size, &mem->pa, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -136,10 +136,10 @@ int i40e_allocate_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem, mem->size = size; mem->va = kzalloc(size, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -174,8 +174,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, u16 needed, u16 id) { int ret = -ENOMEM; - int i = 0; - int j = 0; + int i, j; if (!pile || needed == 0 || id >= I40E_PILE_VALID_BIT) { dev_info(&pf->pdev->dev, @@ -186,7 +185,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, /* start the linear search with an imperfect hint */ i = pile->search_hint; - while (i < pile->num_entries && ret < 0) { + while (i < pile->num_entries) { /* skip already allocated entries */ if (pile->list[i] & I40E_PILE_VALID_BIT) { i++; @@ -205,6 +204,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, pile->list[i+j] = id | I40E_PILE_VALID_BIT; ret = i; pile->search_hint = i + j; + break; } else { /* not enough, so skip over it and continue looking */ i += j; @@ -1388,7 +1388,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) bool add_happened = false; int filter_list_len = 0; u32 changed_flags = 0; - i40e_status ret = 0; + i40e_status aq_ret = 0; struct i40e_pf *pf; int num_add = 0; int num_del = 0; @@ -1449,28 +1449,28 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* flush a full buffer */ if (num_del == filter_list_len) { - ret = i40e_aq_remove_macvlan(&pf->hw, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; memset(del_list, 0, sizeof(*del_list)); - if (ret) + if (aq_ret) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d while flushing a full buffer\n", - ret, + aq_ret, pf->hw.aq.asq_last_status); } } if (num_del) { - ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; - if (ret) + if (aq_ret) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } kfree(del_list); @@ -1515,32 +1515,30 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* flush a full buffer */ if (num_add == filter_list_len) { - ret = i40e_aq_add_macvlan(&pf->hw, - vsi->seid, - add_list, - num_add, - NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, + NULL); num_add = 0; - if (ret) + if (aq_ret) break; memset(add_list, 0, sizeof(*add_list)); } } if (num_add) { - ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, - add_list, num_add, NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, NULL); num_add = 0; } kfree(add_list); add_list = NULL; - if (add_happened && (!ret)) { + if (add_happened && (!aq_ret)) { /* do nothing */; - } else if (add_happened && (ret)) { + } else if (add_happened && (aq_ret)) { dev_info(&pf->pdev->dev, "add filter failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOSPC) && !test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)) { @@ -1556,28 +1554,27 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) if (changed_flags & IFF_ALLMULTI) { bool cur_multipromisc; cur_multipromisc = !!(vsi->current_netdev_flags & IFF_ALLMULTI); - ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_multipromisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_multipromisc, + NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set multi promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } if ((changed_flags & IFF_PROMISC) || promisc_forced_on) { bool cur_promisc; cur_promisc = (!!(vsi->current_netdev_flags & IFF_PROMISC) || test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)); - ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_promisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_promisc, NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set uni promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } clear_bit(__I40E_CONFIG_BUSY, &vsi->state); @@ -1790,6 +1787,8 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) * i40e_vsi_kill_vlan - Remove vsi membership for given vlan * @vsi: the vsi being configured * @vid: vlan id to be removed (0 = untagged only , -1 = any) + * + * Return: 0 on success or negative otherwise **/ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) { @@ -1863,37 +1862,39 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) * i40e_vlan_rx_add_vid - Add a vlan id filter to HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be added + * + * net_device_ops implementation for adding vlan ids **/ static int i40e_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - int ret; + int ret = 0; if (vid > 4095) - return 0; + return -EINVAL; + + netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid); - netdev_info(vsi->netdev, "adding %pM vid=%d\n", - netdev->dev_addr, vid); /* If the network stack called us with vid = 0, we should * indicate to i40e_vsi_add_vlan() that we want to receive * any traffic (i.e. with any vlan tag, or untagged) */ ret = i40e_vsi_add_vlan(vsi, vid ? vid : I40E_VLAN_ANY); - if (!ret) { - if (vid < VLAN_N_VID) - set_bit(vid, vsi->active_vlans); - } + if (!ret && (vid < VLAN_N_VID)) + set_bit(vid, vsi->active_vlans); - return 0; + return ret; } /** * i40e_vlan_rx_kill_vid - Remove a vlan id filter from HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be removed + * + * net_device_ops implementation for adding vlan ids **/ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) @@ -1901,15 +1902,16 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - netdev_info(vsi->netdev, "removing %pM vid=%d\n", - netdev->dev_addr, vid); + netdev_info(netdev, "removing %pM vid=%d\n", netdev->dev_addr, vid); + /* return code is ignored as there is nothing a user * can do about failure to remove and a log message was - * already printed from another function + * already printed from the other function */ i40e_vsi_kill_vlan(vsi, vid); clear_bit(vid, vsi->active_vlans); + return 0; } @@ -1936,10 +1938,10 @@ static void i40e_restore_vlan(struct i40e_vsi *vsi) * @vsi: the vsi being adjusted * @vid: the vlan id to set as a PVID **/ -i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) +int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) { struct i40e_vsi_context ctxt; - i40e_status ret; + i40e_status aq_ret; vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); vsi->info.pvid = cpu_to_le16(vid); @@ -1948,14 +1950,15 @@ i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) ctxt.seid = vsi->seid; memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info)); - ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); - if (ret) { + aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, "%s: update vsi failed, aq_err=%d\n", __func__, vsi->back->hw.aq.asq_last_status); + return -ENOENT; } - return ret; + return 0; } /** @@ -3326,7 +3329,8 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) **/ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) { - int num_tc = 0, i; + u8 num_tc = 0; + int i; /* Scan the ETS Config Priority Table to find * traffic class enabled for a given priority @@ -3341,9 +3345,7 @@ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) /* Traffic class index starts from zero so * increment to return the actual count */ - num_tc++; - - return num_tc; + return num_tc + 1; } /** @@ -3451,28 +3453,27 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) struct i40e_aqc_query_vsi_bw_config_resp bw_config = {0}; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; + i40e_status aq_ret; u32 tc_bw_max; - int ret; int i; /* Get the VSI level BW configuration */ - ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } /* Get the VSI level BW configuration per TC */ - ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, - &bw_ets_config, - NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, &bw_ets_config, + NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi ets bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } if (bw_config.tc_valid_bits != bw_ets_config.tc_valid_bits) { @@ -3494,7 +3495,8 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) /* 3 bits out of 4 for each TC */ vsi->bw_ets_max_quanta[i] = (u8)((tc_bw_max >> (i*4)) & 0x7); } - return ret; + + return 0; } /** @@ -3505,30 +3507,30 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) * * Returns 0 on success, negative value on failure **/ -static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, - u8 enabled_tc, +static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc, u8 *bw_share) { struct i40e_aqc_configure_vsi_tc_bw_data bw_data; - int i, ret = 0; + i40e_status aq_ret; + int i; bw_data.tc_valid_bits = enabled_tc; for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) bw_data.tc_bw_credits[i] = bw_share[i]; - ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, - &bw_data, NULL); - if (ret) { + aq_ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, &bw_data, + NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, "%s: AQ command Config VSI BW allocation per TC failed = %d\n", __func__, vsi->back->hw.aq.asq_last_status); - return ret; + return -EINVAL; } for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) vsi->info.qs_handle[i] = bw_data.qs_handles[i]; - return ret; + return 0; } /** diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 48cbc833b05..86d51429a18 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -1607,6 +1607,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter) igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0); igb_write_phy_reg(hw, PHY_CONTROL, 0x4140); } + } else if (hw->phy.type == e1000_phy_82580) { + /* enable MII loopback */ + igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041); } /* add small delay to avoid loopback test failure */ diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 1a9c4f6269e..ecc7f7b696b 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -3086,13 +3086,16 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, PCI_DMA_FROMDEVICE); skge_rx_reuse(e, skge->rx_buf_size); } else { + struct skge_element ee; struct sk_buff *nskb; nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size); if (!nskb) goto resubmit; - skb = e->skb; + ee = *e; + + skb = ee.skb; prefetch(skb->data); if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) { @@ -3101,8 +3104,8 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, } pci_unmap_single(skge->hw->pdev, - dma_unmap_addr(e, mapaddr), - dma_unmap_len(e, maplen), + dma_unmap_addr(&ee, mapaddr), + dma_unmap_len(&ee, maplen), PCI_DMA_FROMDEVICE); } diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 83c2091c9c2..bd1a2d2bc2a 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -543,7 +543,7 @@ static const struct of_device_id moxart_mac_match[] = { { } }; -struct __initdata platform_driver moxart_mac_driver = { +static struct platform_driver moxart_mac_driver = { .probe = moxart_mac_probe, .remove = moxart_remove, .driver = { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 4d7ad0074d1..ebe4c86e523 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -1794,3 +1794,11 @@ const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = { .set_msglevel = qlcnic_set_msglevel, .get_msglevel = qlcnic_get_msglevel, }; + +const struct ethtool_ops qlcnic_ethtool_failed_ops = { + .get_settings = qlcnic_get_settings, + .get_drvinfo = qlcnic_get_drvinfo, + .set_msglevel = qlcnic_set_msglevel, + .get_msglevel = qlcnic_get_msglevel, + .set_dump = qlcnic_set_dump, +}; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index c4c5023e1fd..21d00a0449a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -431,6 +431,9 @@ static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) usleep_range(10000, 11000); + if (!adapter->fw_work.work.func) + return; + cancel_delayed_work_sync(&adapter->fw_work); } @@ -2275,8 +2278,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->portnum = adapter->ahw->pci_func; err = qlcnic_start_firmware(adapter); if (err) { - dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); - goto err_out_free_hw; + dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" + "\t\tIf reboot doesn't help, try flashing the card\n"); + goto err_out_maintenance_mode; } qlcnic_get_multiq_capability(adapter); @@ -2408,6 +2412,22 @@ err_out_disable_pdev: pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); return err; + +err_out_maintenance_mode: + netdev->netdev_ops = &qlcnic_netdev_failed_ops; + SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); + err = register_netdev(netdev); + + if (err) { + dev_err(&pdev->dev, "Failed to register net device\n"); + qlcnic_clr_all_drv_state(adapter, 0); + goto err_out_free_hw; + } + + pci_set_drvdata(pdev, adapter); + qlcnic_add_sysfs(adapter); + + return 0; } static void qlcnic_remove(struct pci_dev *pdev) @@ -2518,8 +2538,16 @@ static int qlcnic_resume(struct pci_dev *pdev) static int qlcnic_open(struct net_device *netdev) { struct qlcnic_adapter *adapter = netdev_priv(netdev); + u32 state; int err; + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { + netdev_err(netdev, "%s: Device is in FAILED state\n", __func__); + + return -EIO; + } + netif_carrier_off(netdev); err = qlcnic_attach(adapter); @@ -3228,6 +3256,13 @@ void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) return; state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { + netdev_err(adapter->netdev, "%s: Device is in FAILED state\n", + __func__); + qlcnic_api_unlock(adapter); + + return; + } if (state == QLCNIC_DEV_READY) { QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 330d9a8774a..686f460b150 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -397,6 +397,7 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) { struct net_device *netdev = adapter->netdev; + rtnl_lock(); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); @@ -407,12 +408,15 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) /* After disabling SRIOV re-init the driver in default mode configure opmode based on op_mode of function */ - if (qlcnic_83xx_configure_opmode(adapter)) + if (qlcnic_83xx_configure_opmode(adapter)) { + rtnl_unlock(); return -EIO; + } if (netif_running(netdev)) __qlcnic_up(adapter, netdev); + rtnl_unlock(); return 0; } @@ -533,6 +537,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) return -EIO; } + rtnl_lock(); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); @@ -555,6 +560,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) __qlcnic_up(adapter, netdev); error: + rtnl_unlock(); return err; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c index c6165d05cc1..019f4377307 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -1272,6 +1272,7 @@ void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 state; if (device_create_bin_file(dev, &bin_attr_port_stats)) dev_info(dev, "failed to create port stats sysfs entry"); @@ -1285,8 +1286,13 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) if (device_create_bin_file(dev, &bin_attr_mem)) dev_info(dev, "failed to create mem sysfs entry\n"); + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) + return; + if (device_create_bin_file(dev, &bin_attr_pci_config)) dev_info(dev, "failed to create pci config sysfs entry"); + if (device_create_file(dev, &dev_attr_beacon)) dev_info(dev, "failed to create beacon sysfs entry"); @@ -1307,6 +1313,7 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 state; device_remove_bin_file(dev, &bin_attr_port_stats); @@ -1315,6 +1322,11 @@ void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) device_remove_file(dev, &dev_attr_diag_mode); device_remove_bin_file(dev, &bin_attr_crb); device_remove_bin_file(dev, &bin_attr_mem); + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) + return; + device_remove_bin_file(dev, &bin_attr_pci_config); device_remove_file(dev, &dev_attr_beacon); if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c index 10093f0c4c0..6bc5db70392 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c @@ -740,8 +740,8 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump) int i; if (!mpi_coredump) { - netif_err(qdev, drv, qdev->ndev, "No memory available\n"); - return -ENOMEM; + netif_err(qdev, drv, qdev->ndev, "No memory allocated\n"); + return -EINVAL; } /* Try to get the spinlock, but dont worry if diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c index ff2bf8a4e24..7ad146080c3 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c @@ -1274,7 +1274,7 @@ void ql_mpi_reset_work(struct work_struct *work) return; } - if (!ql_core_dump(qdev, qdev->mpi_coredump)) { + if (qdev->mpi_coredump && !ql_core_dump(qdev, qdev->mpi_coredump)) { netif_err(qdev, drv, qdev->ndev, "Core is dumped!\n"); qdev->core_is_dumped = 1; queue_delayed_work(qdev->workqueue, diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 128d7cdf9eb..c082562dbf4 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -27,10 +27,10 @@ /* A reboot/assertion causes the MCDI status word to be set after the * command word is set or a REBOOT event is sent. If we notice a reboot - * via these mechanisms then wait 20ms for the status word to be set. + * via these mechanisms then wait 250ms for the status word to be set. */ #define MCDI_STATUS_DELAY_US 100 -#define MCDI_STATUS_DELAY_COUNT 200 +#define MCDI_STATUS_DELAY_COUNT 2500 #define MCDI_STATUS_SLEEP_MS \ (MCDI_STATUS_DELAY_US * MCDI_STATUS_DELAY_COUNT / 1000) @@ -800,9 +800,6 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) } else { int count; - /* Nobody was waiting for an MCDI request, so trigger a reset */ - efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); - /* Consume the status word since efx_mcdi_rpc_finish() won't */ for (count = 0; count < MCDI_STATUS_DELAY_COUNT; ++count) { if (efx_mcdi_poll_reboot(efx)) @@ -810,6 +807,9 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) udelay(MCDI_STATUS_DELAY_US); } mcdi->new_epoch = true; + + /* Nobody was waiting for an MCDI request, so trigger a reset */ + efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); } spin_unlock(&mcdi->iface_lock); diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index c8f088ab5fd..bdf697b184a 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -32,7 +32,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define DRV_NAME "via-rhine" -#define DRV_VERSION "1.5.0" +#define DRV_VERSION "1.5.1" #define DRV_RELDATE "2010-10-09" #include <linux/types.h> @@ -1704,7 +1704,12 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb, cpu_to_le32(TXDESC | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN)); if (unlikely(vlan_tx_tag_present(skb))) { - rp->tx_ring[entry].tx_status = cpu_to_le32((vlan_tx_tag_get(skb)) << 16); + u16 vid_pcp = vlan_tx_tag_get(skb); + + /* drop CFI/DEI bit, register needs VID and PCP */ + vid_pcp = (vid_pcp & VLAN_VID_MASK) | + ((vid_pcp & VLAN_PRIO_MASK) >> 1); + rp->tx_ring[entry].tx_status = cpu_to_le32((vid_pcp) << 16); /* request tagging */ rp->tx_ring[entry].desc_length |= cpu_to_le32(0x020000); } diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index b88121f240c..0029148077a 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -297,6 +297,12 @@ static int temac_dma_bd_init(struct net_device *ndev) lp->rx_bd_p + (sizeof(*lp->rx_bd_v) * (RX_BD_NUM - 1))); lp->dma_out(lp, TX_CURDESC_PTR, lp->tx_bd_p); + /* Init descriptor indexes */ + lp->tx_bd_ci = 0; + lp->tx_bd_next = 0; + lp->tx_bd_tail = 0; + lp->rx_bd_ci = 0; + return 0; out: diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index a34d6bf5e43..cc70ecfc706 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -429,11 +429,13 @@ static void slip_write_wakeup(struct tty_struct *tty) if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) return; + spin_lock(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + spin_unlock(&sl->lock); sl_unlock(sl); return; } @@ -441,6 +443,7 @@ static void slip_write_wakeup(struct tty_struct *tty) actual = tty->ops->write(tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; + spin_unlock(&sl->lock); } static void sl_tx_timeout(struct net_device *dev) diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 2dbb9460349..c6867f926cf 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -303,7 +303,7 @@ static void dm9601_set_multicast(struct net_device *net) rx_ctl |= 0x02; } else if (net->flags & IFF_ALLMULTI || netdev_mc_count(net) > DM_MAX_MCAST) { - rx_ctl |= 0x04; + rx_ctl |= 0x08; } else if (!netdev_mc_empty(net)) { struct netdev_hw_addr *ha; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 6312332afeb..3d6aaf79d8b 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -714,7 +714,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x1e2d, 0x12d1, 4)}, /* Cinterion PLxx */ + {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 7b331e613e0..bf94e10a37c 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1241,7 +1241,9 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) if (num_sgs == 1) return 0; - urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), GFP_ATOMIC); + /* reserve one for zero packet */ + urb->sg = kmalloc((num_sgs + 1) * sizeof(struct scatterlist), + GFP_ATOMIC); if (!urb->sg) return -ENOMEM; @@ -1305,7 +1307,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, if (build_dma_sg(skb, urb) < 0) goto drop; } - entry->length = length = urb->transfer_buffer_length; + length = urb->transfer_buffer_length; /* don't assume the hardware handles USB_ZERO_PACKET * NOTE: strictly conforming cdc-ether devices should expect @@ -1317,15 +1319,18 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, if (length % dev->maxpacket == 0) { if (!(info->flags & FLAG_SEND_ZLP)) { if (!(info->flags & FLAG_MULTI_PACKET)) { - urb->transfer_buffer_length++; - if (skb_tailroom(skb)) { + length++; + if (skb_tailroom(skb) && !urb->num_sgs) { skb->data[skb->len] = 0; __skb_put(skb, 1); - } + } else if (urb->num_sgs) + sg_set_buf(&urb->sg[urb->num_sgs++], + dev->padding_pkt, 1); } } else urb->transfer_flags |= URB_ZERO_PACKET; } + entry->length = urb->transfer_buffer_length = length; spin_lock_irqsave(&dev->txq.lock, flags); retval = usb_autopm_get_interface_async(dev->intf); @@ -1509,6 +1514,7 @@ void usbnet_disconnect (struct usb_interface *intf) usb_kill_urb(dev->interrupt); usb_free_urb(dev->interrupt); + kfree(dev->padding_pkt); free_netdev(net); } @@ -1679,9 +1685,16 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) /* initialize max rx_qlen and tx_qlen */ usbnet_update_max_qlen(dev); + if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && + !(info->flags & FLAG_MULTI_PACKET)) { + dev->padding_pkt = kzalloc(1, GFP_KERNEL); + if (!dev->padding_pkt) + goto out4; + } + status = register_netdev (net); if (status) - goto out4; + goto out5; netif_info(dev, probe, dev->net, "register '%s' at usb-%s-%s, %s, %pM\n", udev->dev.driver->name, @@ -1699,6 +1712,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) return 0; +out5: + kfree(dev->padding_pkt); out4: usb_free_urb(dev->interrupt); out3: diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d1292fe746b..2ef5b6219f3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -952,8 +952,7 @@ void vxlan_sock_release(struct vxlan_sock *vs) spin_lock(&vn->sock_lock); hlist_del_rcu(&vs->hlist); - smp_wmb(); - vs->sock->sk->sk_user_data = NULL; + rcu_assign_sk_user_data(vs->sock->sk, NULL); vxlan_notify_del_rx_port(sk); spin_unlock(&vn->sock_lock); @@ -1048,8 +1047,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb) port = inet_sk(sk)->inet_sport; - smp_read_barrier_depends(); - vs = (struct vxlan_sock *)sk->sk_user_data; + vs = rcu_dereference_sk_user_data(sk); if (!vs) goto drop; @@ -2302,8 +2300,7 @@ static struct vxlan_sock *vxlan_socket_create(struct net *net, __be16 port, atomic_set(&vs->refcnt, 1); vs->rcv = rcv; vs->data = data; - smp_wmb(); - vs->sock->sk->sk_user_data = vs; + rcu_assign_sk_user_data(vs->sock->sk, vs); spin_lock(&vn->sock_lock); hlist_add_head_rcu(&vs->hlist, vs_head(net, port)); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 4ee472a5a4e..ab9e3a8410b 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1270,13 +1270,6 @@ static void ath9k_antenna_check(struct ath_softc *sc, return; /* - * All MPDUs in an aggregate will use the same LNA - * as the first MPDU. - */ - if (rs->rs_isaggr && !rs->rs_firstaggr) - return; - - /* * Change the default rx antenna if rx diversity * chooses the other antenna 3 times in a row. */ diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 35b515fe3ff..5ac713d2ff5 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -399,6 +399,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf) tbf->bf_buf_addr = bf->bf_buf_addr; memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len); tbf->bf_state = bf->bf_state; + tbf->bf_state.stale = false; return tbf; } @@ -1389,11 +1390,15 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { struct ath_atx_tid *txtid; + struct ath_txq *txq; struct ath_node *an; u8 density; an = (struct ath_node *)sta->drv_priv; txtid = ATH_AN_2_TID(an, tid); + txq = txtid->ac->txq; + + ath_txq_lock(sc, txq); /* update ampdu factor/density, they may have changed. This may happen * in HT IBSS when a beacon with HT-info is received after the station @@ -1417,6 +1422,8 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf)); txtid->baw_head = txtid->baw_tail = 0; + ath_txq_unlock_complete(sc, txq); + return 0; } @@ -1555,8 +1562,10 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, __skb_unlink(bf->bf_mpdu, tid_q); list_add_tail(&bf->list, &bf_q); ath_set_rates(tid->an->vif, tid->an->sta, bf); - ath_tx_addto_baw(sc, tid, bf); - bf->bf_state.bf_type &= ~BUF_AGGR; + if (bf_isampdu(bf)) { + ath_tx_addto_baw(sc, tid, bf); + bf->bf_state.bf_type &= ~BUF_AGGR; + } if (bf_tail) bf_tail->bf_next = bf; @@ -1950,7 +1959,9 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, if (bf_is_ampdu_not_probing(bf)) txq->axq_ampdu_depth++; - bf = bf->bf_lastbf->bf_next; + bf_last = bf->bf_lastbf; + bf = bf_last->bf_next; + bf_last->bf_next = NULL; } } } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 64f4a2bc8dd..c3462b75bd0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -464,8 +464,6 @@ static struct sdio_driver brcmf_sdmmc_driver = { static int brcmf_sdio_pd_probe(struct platform_device *pdev) { - int ret; - brcmf_dbg(SDIO, "Enter\n"); brcmfmac_sdio_pdata = pdev->dev.platform_data; @@ -473,11 +471,7 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev) if (brcmfmac_sdio_pdata->power_on) brcmfmac_sdio_pdata->power_on(); - ret = sdio_register_driver(&brcmf_sdmmc_driver); - if (ret) - brcmf_err("sdio_register_driver failed: %d\n", ret); - - return ret; + return 0; } static int brcmf_sdio_pd_remove(struct platform_device *pdev) @@ -500,6 +494,15 @@ static struct platform_driver brcmf_sdio_pd = { } }; +void brcmf_sdio_register(void) +{ + int ret; + + ret = sdio_register_driver(&brcmf_sdmmc_driver); + if (ret) + brcmf_err("sdio_register_driver failed: %d\n", ret); +} + void brcmf_sdio_exit(void) { brcmf_dbg(SDIO, "Enter\n"); @@ -510,18 +513,13 @@ void brcmf_sdio_exit(void) sdio_unregister_driver(&brcmf_sdmmc_driver); } -void brcmf_sdio_init(void) +void __init brcmf_sdio_init(void) { int ret; brcmf_dbg(SDIO, "Enter\n"); ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe); - if (ret == -ENODEV) { - brcmf_dbg(SDIO, "No platform data available, registering without.\n"); - ret = sdio_register_driver(&brcmf_sdmmc_driver); - } - - if (ret) - brcmf_err("driver registration failed: %d\n", ret); + if (ret == -ENODEV) + brcmf_dbg(SDIO, "No platform data available.\n"); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h index f7c1985844e..74156f84180 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h @@ -156,10 +156,11 @@ extern int brcmf_bus_start(struct device *dev); #ifdef CONFIG_BRCMFMAC_SDIO extern void brcmf_sdio_exit(void); extern void brcmf_sdio_init(void); +extern void brcmf_sdio_register(void); #endif #ifdef CONFIG_BRCMFMAC_USB extern void brcmf_usb_exit(void); -extern void brcmf_usb_init(void); +extern void brcmf_usb_register(void); #endif #endif /* _BRCMF_BUS_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index e067aec1fbf..40e7f854e10 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -1231,21 +1231,23 @@ u32 brcmf_get_chip_info(struct brcmf_if *ifp) return bus->chip << 4 | bus->chiprev; } -static void brcmf_driver_init(struct work_struct *work) +static void brcmf_driver_register(struct work_struct *work) { - brcmf_debugfs_init(); - #ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_init(); + brcmf_sdio_register(); #endif #ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_init(); + brcmf_usb_register(); #endif } -static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init); +static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); static int __init brcmfmac_module_init(void) { + brcmf_debugfs_init(); +#ifdef CONFIG_BRCMFMAC_SDIO + brcmf_sdio_init(); +#endif if (!schedule_work(&brcmf_driver_work)) return -EBUSY; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 39e01a7c855..f4aea47e073 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -1539,7 +1539,7 @@ void brcmf_usb_exit(void) brcmf_release_fw(&fw_image_list); } -void brcmf_usb_init(void) +void brcmf_usb_register(void) { brcmf_dbg(USB, "Enter\n"); INIT_LIST_HEAD(&fw_image_list); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 3a6544710c8..edc5d105ff9 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -457,6 +457,8 @@ static int brcms_ops_start(struct ieee80211_hw *hw) if (err != 0) brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n", __func__, err); + + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true); return err; } @@ -479,6 +481,8 @@ static void brcms_ops_stop(struct ieee80211_hw *hw) return; } + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false); + /* put driver in down state */ spin_lock_bh(&wl->lock); brcms_down(wl); diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c index f5e6b489ed3..899cad34ccd 100644 --- a/drivers/net/wireless/cw1200/cw1200_spi.c +++ b/drivers/net/wireless/cw1200/cw1200_spi.c @@ -42,7 +42,6 @@ struct hwbus_priv { spinlock_t lock; /* Serialize all bus operations */ wait_queue_head_t wq; int claimed; - int irq_disabled; }; #define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2) @@ -238,8 +237,6 @@ static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id) struct hwbus_priv *self = dev_id; if (self->core) { - disable_irq_nosync(self->func->irq); - self->irq_disabled = 1; cw1200_irq_handler(self->core); return IRQ_HANDLED; } else { @@ -253,9 +250,10 @@ static int cw1200_spi_irq_subscribe(struct hwbus_priv *self) pr_debug("SW IRQ subscribe\n"); - ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler, - IRQF_TRIGGER_HIGH, - "cw1200_wlan_irq", self); + ret = request_threaded_irq(self->func->irq, NULL, + cw1200_spi_irq_handler, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "cw1200_wlan_irq", self); if (WARN_ON(ret < 0)) goto exit; @@ -273,22 +271,13 @@ exit: static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self) { + int ret = 0; + pr_debug("SW IRQ unsubscribe\n"); disable_irq_wake(self->func->irq); free_irq(self->func->irq, self); - return 0; -} - -static int cw1200_spi_irq_enable(struct hwbus_priv *self, int enable) -{ - /* Disables are handled by the interrupt handler */ - if (enable && self->irq_disabled) { - enable_irq(self->func->irq); - self->irq_disabled = 0; - } - - return 0; + return ret; } static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata) @@ -368,7 +357,6 @@ static struct hwbus_ops cw1200_spi_hwbus_ops = { .unlock = cw1200_spi_unlock, .align_size = cw1200_spi_align_size, .power_mgmt = cw1200_spi_pm, - .irq_enable = cw1200_spi_irq_enable, }; /* Probe Function to be called by SPI stack when device is discovered */ diff --git a/drivers/net/wireless/cw1200/fwio.c b/drivers/net/wireless/cw1200/fwio.c index 0b2061bbc68..acdff0f7f95 100644 --- a/drivers/net/wireless/cw1200/fwio.c +++ b/drivers/net/wireless/cw1200/fwio.c @@ -485,7 +485,7 @@ int cw1200_load_firmware(struct cw1200_common *priv) /* Enable interrupt signalling */ priv->hwbus_ops->lock(priv->hwbus_priv); - ret = __cw1200_irq_enable(priv, 2); + ret = __cw1200_irq_enable(priv, 1); priv->hwbus_ops->unlock(priv->hwbus_priv); if (ret < 0) goto unsubscribe; diff --git a/drivers/net/wireless/cw1200/hwbus.h b/drivers/net/wireless/cw1200/hwbus.h index 51dfb3a9073..8b2fc831c3d 100644 --- a/drivers/net/wireless/cw1200/hwbus.h +++ b/drivers/net/wireless/cw1200/hwbus.h @@ -28,7 +28,6 @@ struct hwbus_ops { void (*unlock)(struct hwbus_priv *self); size_t (*align_size)(struct hwbus_priv *self, size_t size); int (*power_mgmt)(struct hwbus_priv *self, bool suspend); - int (*irq_enable)(struct hwbus_priv *self, int enable); }; #endif /* CW1200_HWBUS_H */ diff --git a/drivers/net/wireless/cw1200/hwio.c b/drivers/net/wireless/cw1200/hwio.c index 41bd7615cca..ff230b7aeed 100644 --- a/drivers/net/wireless/cw1200/hwio.c +++ b/drivers/net/wireless/cw1200/hwio.c @@ -273,21 +273,6 @@ int __cw1200_irq_enable(struct cw1200_common *priv, int enable) u16 val16; int ret; - /* We need to do this hack because the SPI layer can sleep on I/O - and the general path involves I/O to the device in interrupt - context. - - However, the initial enable call needs to go to the hardware. - - We don't worry about shutdown because we do a full reset which - clears the interrupt enabled bits. - */ - if (priv->hwbus_ops->irq_enable) { - ret = priv->hwbus_ops->irq_enable(priv->hwbus_priv, enable); - if (ret || enable < 2) - return ret; - } - if (HIF_8601_SILICON == priv->hw_type) { ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); if (ret < 0) { diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 21c68826470..1214c587fd0 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -150,7 +150,7 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv, */ int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, - struct mwifiex_ra_list_tbl *pra_list, int headroom, + struct mwifiex_ra_list_tbl *pra_list, int ptrindex, unsigned long ra_list_flags) __releases(&priv->wmm.ra_list_spinlock) { @@ -160,6 +160,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, int pad = 0, ret; struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; + int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN; skb_src = skb_peek(&pra_list->skb_head); if (!skb_src) { diff --git a/drivers/net/wireless/mwifiex/11n_aggr.h b/drivers/net/wireless/mwifiex/11n_aggr.h index 900e1c62a0c..892098d6a69 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.h +++ b/drivers/net/wireless/mwifiex/11n_aggr.h @@ -26,7 +26,7 @@ int mwifiex_11n_deaggregate_pkt(struct mwifiex_private *priv, struct sk_buff *skb); int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, - struct mwifiex_ra_list_tbl *ptr, int headroom, + struct mwifiex_ra_list_tbl *ptr, int ptr_index, unsigned long flags) __releases(&priv->wmm.ra_list_spinlock); diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 2d761477d15..a6c46f3b6e3 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -1155,7 +1155,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && - adapter->iface_type == MWIFIEX_SDIO) { + adapter->iface_type != MWIFIEX_USB) { mwifiex_hs_activated_event(priv, true); return 0; } else { @@ -1167,8 +1167,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, } if (conditions != HS_CFG_CANCEL) { adapter->is_hs_configured = true; - if (adapter->iface_type == MWIFIEX_USB || - adapter->iface_type == MWIFIEX_PCIE) + if (adapter->iface_type == MWIFIEX_USB) mwifiex_hs_activated_event(priv, true); } else { adapter->is_hs_configured = false; diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 2472d4b7f00..1c70b8d0922 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -447,9 +447,6 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message) */ adapter->is_suspended = true; - for (i = 0; i < adapter->priv_num; i++) - netif_carrier_off(adapter->priv[i]->netdev); - if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb) usb_kill_urb(card->rx_cmd.urb); @@ -509,10 +506,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf) MWIFIEX_RX_CMD_BUF_SIZE); } - for (i = 0; i < adapter->priv_num; i++) - if (adapter->priv[i]->media_connected) - netif_carrier_on(adapter->priv[i]->netdev); - /* Disable Host Sleep */ if (adapter->hs_activated) mwifiex_cancel_hs(mwifiex_get_priv(adapter, diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 2e8f9cdea54..95fa3599b40 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -1239,8 +1239,7 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter) if (enable_tx_amsdu && mwifiex_is_amsdu_allowed(priv, tid) && mwifiex_is_11n_aggragation_possible(priv, ptr, adapter->tx_buf_size)) - mwifiex_11n_aggregate_pkt(priv, ptr, INTF_HEADER_LEN, - ptr_index, flags); + mwifiex_11n_aggregate_pkt(priv, ptr, ptr_index, flags); /* ra_list_spinlock has been freed in mwifiex_11n_aggregate_pkt() */ else diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index b9deef66cf4..e328d3058c4 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -83,6 +83,7 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */ {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ + {USB_DEVICE(0x07aa, 0x0020)}, /* Corega WLUSB2GTST USB */ {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */ {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ {USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */ @@ -979,6 +980,7 @@ static int p54u_load_firmware(struct ieee80211_hw *dev, if (err) { dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s " "(%d)!\n", p54u_fwlist[i].fw, err); + usb_put_dev(udev); } return err; diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index cc03e7c87cb..703258742d2 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -2057,7 +2057,7 @@ struct rtl_priv { that it points to the data allocated beyond this structure like: rtl_pci_priv or rtl_usb_priv */ - u8 priv[0]; + u8 priv[0] __aligned(sizeof(void *)); }; #define rtl_priv(hw) (((struct rtl_priv *)(hw)->priv)) diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index a53782ef154..b45bce20ad7 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -24,6 +24,12 @@ struct backend_info { struct xenbus_device *dev; struct xenvif *vif; + + /* This is the state that will be reflected in xenstore when any + * active hotplug script completes. + */ + enum xenbus_state state; + enum xenbus_state frontend_state; struct xenbus_watch hotplug_status_watch; u8 have_hotplug_status_watch:1; @@ -136,6 +142,8 @@ static int netback_probe(struct xenbus_device *dev, if (err) goto fail; + be->state = XenbusStateInitWait; + /* This kicks hotplug scripts, so do it immediately. */ backend_create_xenvif(be); @@ -208,24 +216,113 @@ static void backend_create_xenvif(struct backend_info *be) kobject_uevent(&dev->dev.kobj, KOBJ_ONLINE); } - -static void disconnect_backend(struct xenbus_device *dev) +static void backend_disconnect(struct backend_info *be) { - struct backend_info *be = dev_get_drvdata(&dev->dev); - if (be->vif) xenvif_disconnect(be->vif); } -static void destroy_backend(struct xenbus_device *dev) +static void backend_connect(struct backend_info *be) { - struct backend_info *be = dev_get_drvdata(&dev->dev); + if (be->vif) + connect(be); +} - if (be->vif) { - kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); - xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status"); - xenvif_free(be->vif); - be->vif = NULL; +static inline void backend_switch_state(struct backend_info *be, + enum xenbus_state state) +{ + struct xenbus_device *dev = be->dev; + + pr_debug("%s -> %s\n", dev->nodename, xenbus_strstate(state)); + be->state = state; + + /* If we are waiting for a hotplug script then defer the + * actual xenbus state change. + */ + if (!be->have_hotplug_status_watch) + xenbus_switch_state(dev, state); +} + +/* Handle backend state transitions: + * + * The backend state starts in InitWait and the following transitions are + * allowed. + * + * InitWait -> Connected + * + * ^ \ | + * | \ | + * | \ | + * | \ | + * | \ | + * | \ | + * | V V + * + * Closed <-> Closing + * + * The state argument specifies the eventual state of the backend and the + * function transitions to that state via the shortest path. + */ +static void set_backend_state(struct backend_info *be, + enum xenbus_state state) +{ + while (be->state != state) { + switch (be->state) { + case XenbusStateClosed: + switch (state) { + case XenbusStateInitWait: + case XenbusStateConnected: + pr_info("%s: prepare for reconnect\n", + be->dev->nodename); + backend_switch_state(be, XenbusStateInitWait); + break; + case XenbusStateClosing: + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateInitWait: + switch (state) { + case XenbusStateConnected: + backend_connect(be); + backend_switch_state(be, XenbusStateConnected); + break; + case XenbusStateClosing: + case XenbusStateClosed: + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateConnected: + switch (state) { + case XenbusStateInitWait: + case XenbusStateClosing: + case XenbusStateClosed: + backend_disconnect(be); + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateClosing: + switch (state) { + case XenbusStateInitWait: + case XenbusStateConnected: + case XenbusStateClosed: + backend_switch_state(be, XenbusStateClosed); + break; + default: + BUG(); + } + break; + default: + BUG(); + } } } @@ -237,40 +334,33 @@ static void frontend_changed(struct xenbus_device *dev, { struct backend_info *be = dev_get_drvdata(&dev->dev); - pr_debug("frontend state %s\n", xenbus_strstate(frontend_state)); + pr_debug("%s -> %s\n", dev->otherend, xenbus_strstate(frontend_state)); be->frontend_state = frontend_state; switch (frontend_state) { case XenbusStateInitialising: - if (dev->state == XenbusStateClosed) { - pr_info("%s: prepare for reconnect\n", dev->nodename); - xenbus_switch_state(dev, XenbusStateInitWait); - } + set_backend_state(be, XenbusStateInitWait); break; case XenbusStateInitialised: break; case XenbusStateConnected: - if (dev->state == XenbusStateConnected) - break; - if (be->vif) - connect(be); + set_backend_state(be, XenbusStateConnected); break; case XenbusStateClosing: - disconnect_backend(dev); - xenbus_switch_state(dev, XenbusStateClosing); + set_backend_state(be, XenbusStateClosing); break; case XenbusStateClosed: - xenbus_switch_state(dev, XenbusStateClosed); + set_backend_state(be, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - destroy_backend(dev); /* fall through if not online */ case XenbusStateUnknown: + set_backend_state(be, XenbusStateClosed); device_unregister(&dev->dev); break; @@ -363,7 +453,9 @@ static void hotplug_status_changed(struct xenbus_watch *watch, if (IS_ERR(str)) return; if (len == sizeof("connected")-1 && !memcmp(str, "connected", len)) { - xenbus_switch_state(be->dev, XenbusStateConnected); + /* Complete any pending state change */ + xenbus_switch_state(be->dev, be->state); + /* Not interested in this watch anymore. */ unregister_hotplug_status_watch(be); } @@ -393,12 +485,8 @@ static void connect(struct backend_info *be) err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, hotplug_status_changed, "%s/%s", dev->nodename, "hotplug-status"); - if (err) { - /* Switch now, since we can't do a watch. */ - xenbus_switch_state(dev, XenbusStateConnected); - } else { + if (!err) be->have_hotplug_status_watch = 1; - } netif_wake_queue(be->vif->dev); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e8ccf6c0f08..bdd64b1b481 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1155,8 +1155,14 @@ static void pci_enable_bridge(struct pci_dev *dev) pci_enable_bridge(dev->bus->self); - if (pci_is_enabled(dev)) + if (pci_is_enabled(dev)) { + if (!dev->is_busmaster) { + dev_warn(&dev->dev, "driver skip pci_set_master, fix it!\n"); + pci_set_master(dev); + } return; + } + retval = pci_enable_device(dev); if (retval) dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n", diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index a138965c01c..b8fcc38c0d1 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -490,7 +490,7 @@ exit: * <devicename> <state> <pinname> are values that should match the pinctrl-maps * <newvalue> reflects the new config and is driver dependant */ -static int pinconf_dbg_config_write(struct file *file, +static ssize_t pinconf_dbg_config_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct pinctrl_maps *maps_node; @@ -508,7 +508,7 @@ static int pinconf_dbg_config_write(struct file *file, int i; /* Get userspace string and assure termination */ - buf_size = min(count, (size_t)(sizeof(buf)-1)); + buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; buf[buf_size] = 0; diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 2689f8d01a1..155b1b3a0e7 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -663,18 +663,18 @@ static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) /* pin banks of s5pv210 pin-controller */ static struct samsung_pin_bank s5pv210_pin_bank[] = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), - EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04), + EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpa1", 0x04), EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08), EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c), EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10), EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14), - EXYNOS_PIN_BANK_EINTG(4, 0x0c0, "gpd1", 0x18), - EXYNOS_PIN_BANK_EINTG(5, 0x0e0, "gpe0", 0x1c), - EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20), - EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpf0", 0x24), + EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18), + EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe0", 0x1c), + EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpe1", 0x20), + EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpf0", 0x24), EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28), EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c), - EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf3", 0x30), + EXYNOS_PIN_BANK_EINTG(6, 0x180, "gpf3", 0x30), EXYNOS_PIN_BANK_EINTG(7, 0x1a0, "gpg0", 0x34), EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38), EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c), diff --git a/drivers/pinctrl/pinctrl-palmas.c b/drivers/pinctrl/pinctrl-palmas.c index 82638fac3cf..30c4d356cb3 100644 --- a/drivers/pinctrl/pinctrl-palmas.c +++ b/drivers/pinctrl/pinctrl-palmas.c @@ -891,9 +891,10 @@ static int palmas_pinconf_set(struct pinctrl_dev *pctldev, param = pinconf_to_config_param(configs[i]); param_val = pinconf_to_config_argument(configs[i]); + if (param == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + continue; + switch (param) { - case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: - return 0; case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_UP: case PIN_CONFIG_BIAS_PULL_DOWN: diff --git a/drivers/pinctrl/pinctrl-tegra114.c b/drivers/pinctrl/pinctrl-tegra114.c index 622c4854977..93c9e3899d5 100644 --- a/drivers/pinctrl/pinctrl-tegra114.c +++ b/drivers/pinctrl/pinctrl-tegra114.c @@ -3,7 +3,7 @@ * * Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved. * - * Arthur: Pritesh Raithatha <praithatha@nvidia.com> + * Author: Pritesh Raithatha <praithatha@nvidia.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -2763,7 +2763,6 @@ static struct platform_driver tegra114_pinctrl_driver = { }; module_platform_driver(tegra114_pinctrl_driver); -MODULE_ALIAS("platform:tegra114-pinctrl"); MODULE_AUTHOR("Pritesh Raithatha <praithatha@nvidia.com>"); -MODULE_DESCRIPTION("NVIDIA Tegra114 pincontrol driver"); +MODULE_DESCRIPTION("NVIDIA Tegra114 pinctrl driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 1a781639077..b9f2653e4ef 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -709,7 +709,7 @@ static struct da9063_regulators_pdata *da9063_parse_regulators_dt( struct of_regulator_match **da9063_reg_matches) { da9063_reg_matches = NULL; - return PTR_ERR(-ENODEV); + return ERR_PTR(-ENODEV); } #endif diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 488dfe7ce9a..7e2b165972e 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -201,13 +201,7 @@ static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; #define SMPS_CTRL_MODE_ECO 0x02 #define SMPS_CTRL_MODE_PWM 0x03 -/* These values are derived from the data sheet. And are the number of steps - * where there is a voltage change, the ranges at beginning and end of register - * max/min values where there are no change are ommitted. - * - * So they are basically (maxV-minV)/stepV - */ -#define PALMAS_SMPS_NUM_VOLTAGES 117 +#define PALMAS_SMPS_NUM_VOLTAGES 122 #define PALMAS_SMPS10_NUM_VOLTAGES 2 #define PALMAS_LDO_NUM_VOLTAGES 50 @@ -979,6 +973,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].min_uV = 900000; pmic->desc[id].uV_step = 50000; pmic->desc[id].linear_min_sel = 1; + pmic->desc[id].enable_time = 500; pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, palmas_regs_info[id].vsel_addr); @@ -997,6 +992,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].min_uV = 450000; pmic->desc[id].uV_step = 25000; } + + /* LOD6 in vibrator mode will have enable time 2000us */ + if (pdata && pdata->ldo6_vibrator && + (id == PALMAS_REG_LDO6)) + pmic->desc[id].enable_time = 2000; } else { pmic->desc[id].n_voltages = 1; pmic->desc[id].ops = &palmas_ops_extreg; diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index d8e3e1262bc..20c271d49dc 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -279,8 +279,12 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb, ti_abb_rmw(regs->opp_sel_mask, info->opp_sel, regs->control_reg, abb->base); - /* program LDO VBB vset override if needed */ - if (abb->ldo_base) + /* + * program LDO VBB vset override if needed for !bypass mode + * XXX: Do not switch sequence - for !bypass, LDO override reset *must* + * be performed *before* switch to bias mode else VBB glitches. + */ + if (abb->ldo_base && info->opp_sel != TI_ABB_NOMINAL_OPP) ti_abb_program_ldovbb(dev, abb, info); /* Initiate ABB ldo change */ @@ -295,6 +299,14 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb, if (ret) goto out; + /* + * Reset LDO VBB vset override bypass mode + * XXX: Do not switch sequence - for bypass, LDO override reset *must* + * be performed *after* switch to bypass else VBB glitches. + */ + if (abb->ldo_base && info->opp_sel == TI_ABB_NOMINAL_OPP) + ti_abb_program_ldovbb(dev, abb, info); + out: return ret; } diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 1432b26ef2e..2205fbc2c37 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -63,7 +63,7 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data) */ static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 14, + { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, .uV_step = 50000 }, { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, .uV_step = 100000 }, @@ -332,7 +332,7 @@ static struct platform_driver wm831x_gp_ldo_driver = { */ static const struct regulator_linear_range wm831x_aldo_ranges[] = { - { .min_uV = 1000000, .max_uV = 1650000, .min_sel = 0, .max_sel = 12, + { .min_uV = 1000000, .max_uV = 1600000, .min_sel = 0, .max_sel = 12, .uV_step = 50000 }, { .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31, .uV_step = 100000 }, diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 835b5f0f344..61ca9292a42 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -543,7 +543,7 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev, } static const struct regulator_linear_range wm8350_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1750000, .min_sel = 0, .max_sel = 15, + { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 15, .uV_step = 50000 }, { .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31, .uV_step = 100000 }, diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 3ba4c5712df..853f62b2b1a 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -369,28 +369,23 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, { const struct ni_65xx_board *board = comedi_board(dev); struct ni_65xx_private *devpriv = dev->private; - unsigned base_bitfield_channel; - const unsigned max_ports_per_bitfield = 5; + int base_bitfield_channel; unsigned read_bits = 0; - unsigned j; + int last_port_offset = ni_65xx_port_by_channel(s->n_chan - 1); + int port_offset; base_bitfield_channel = CR_CHAN(insn->chanspec); - for (j = 0; j < max_ports_per_bitfield; ++j) { - const unsigned port_offset = - ni_65xx_port_by_channel(base_bitfield_channel) + j; - const unsigned port = - sprivate(s)->base_port + port_offset; - unsigned base_port_channel; + for (port_offset = ni_65xx_port_by_channel(base_bitfield_channel); + port_offset <= last_port_offset; port_offset++) { + unsigned port = sprivate(s)->base_port + port_offset; + int base_port_channel = port_offset * ni_65xx_channels_per_port; unsigned port_mask, port_data, port_read_bits; - int bitshift; - if (port >= ni_65xx_total_num_ports(board)) + int bitshift = base_port_channel - base_bitfield_channel; + + if (bitshift >= 32) break; - base_port_channel = port_offset * ni_65xx_channels_per_port; port_mask = data[0]; port_data = data[1]; - bitshift = base_port_channel - base_bitfield_channel; - if (bitshift >= 32 || bitshift <= -32) - break; if (bitshift > 0) { port_mask >>= bitshift; port_data >>= bitshift; diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index 47c5888461f..a2e52a0c53c 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -41,7 +41,6 @@ struct imx_drm_device { struct list_head encoder_list; struct list_head connector_list; struct mutex mutex; - int references; int pipes; struct drm_fbdev_cma *fbhelper; }; @@ -241,8 +240,6 @@ struct drm_device *imx_drm_device_get(void) } } - imxdrm->references++; - return imxdrm->drm; unwind_crtc: @@ -280,8 +277,6 @@ void imx_drm_device_put(void) list_for_each_entry(enc, &imxdrm->encoder_list, list) module_put(enc->owner); - imxdrm->references--; - mutex_unlock(&imxdrm->mutex); } EXPORT_SYMBOL_GPL(imx_drm_device_put); @@ -485,7 +480,7 @@ int imx_drm_add_crtc(struct drm_crtc *crtc, mutex_lock(&imxdrm->mutex); - if (imxdrm->references) { + if (imxdrm->drm->open_count) { ret = -EBUSY; goto err_busy; } @@ -564,7 +559,7 @@ int imx_drm_add_encoder(struct drm_encoder *encoder, mutex_lock(&imxdrm->mutex); - if (imxdrm->references) { + if (imxdrm->drm->open_count) { ret = -EBUSY; goto err_busy; } @@ -709,7 +704,7 @@ int imx_drm_add_connector(struct drm_connector *connector, mutex_lock(&imxdrm->mutex); - if (imxdrm->references) { + if (imxdrm->drm->open_count) { ret = -EBUSY; goto err_busy; } diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index 2644edf438c..c8b43442dc7 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -1387,7 +1387,7 @@ echo_copyout_lsm (struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) if (nob > ulsm_nob) return (-EINVAL); - if (copy_to_user (ulsm, lsm, sizeof(ulsm))) + if (copy_to_user (ulsm, lsm, sizeof(*ulsm))) return (-EFAULT); for (i = 0; i < lsm->lsm_stripe_count; i++) { diff --git a/drivers/staging/octeon-usb/cvmx-usb.c b/drivers/staging/octeon-usb/cvmx-usb.c index d7b3c82b5ea..45dfe94199a 100644 --- a/drivers/staging/octeon-usb/cvmx-usb.c +++ b/drivers/staging/octeon-usb/cvmx-usb.c @@ -604,7 +604,7 @@ int cvmx_usb_initialize(struct cvmx_usb_state *state, int usb_port_number, } } - memset(usb, 0, sizeof(usb)); + memset(usb, 0, sizeof(*usb)); usb->init_flags = flags; /* Initialize the USB state structure */ diff --git a/drivers/staging/rtl8188eu/core/rtw_mp.c b/drivers/staging/rtl8188eu/core/rtw_mp.c index c7ff2e4d1f2..9832dcbbd07 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mp.c +++ b/drivers/staging/rtl8188eu/core/rtw_mp.c @@ -907,7 +907,7 @@ u32 mp_query_psd(struct adapter *pAdapter, u8 *data) sscanf(data, "pts =%d, start =%d, stop =%d", &psd_pts, &psd_start, &psd_stop); } - _rtw_memset(data, '\0', sizeof(data)); + _rtw_memset(data, '\0', sizeof(*data)); i = psd_start; while (i < psd_stop) { diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c index 9c2e7a20c09..ec0028d4e61 100644 --- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c +++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c @@ -57,7 +57,7 @@ static void Init_ODM_ComInfo_88E(struct adapter *Adapter) u8 cut_ver, fab_ver; /* Init Value */ - _rtw_memset(dm_odm, 0, sizeof(dm_odm)); + _rtw_memset(dm_odm, 0, sizeof(*dm_odm)); dm_odm->Adapter = Adapter; diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c index cd4100fb364..95953ebc027 100644 --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -6973,7 +6973,7 @@ static int rtw_mp_ctx(struct net_device *dev, stop = strncmp(extra, "stop", 4); sscanf(extra, "count =%d, pkt", &count); - _rtw_memset(extra, '\0', sizeof(extra)); + _rtw_memset(extra, '\0', sizeof(*extra)); if (stop == 0) { bStartTest = 0; /* To set Stop */ diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index d3078d200e5..9ca3180ebaa 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -54,6 +54,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = { /*=== Customer ID ===*/ /****** 8188EUS ********/ {USB_DEVICE(0x8179, 0x07B8)}, /* Abocom - Abocom */ + {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {} /* Terminating entry */ }; diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c index 5bc361b16d4..56144014b7c 100644 --- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c +++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c @@ -37,6 +37,8 @@ rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen) /* Get TCB and local buffer from common pool. (It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */ skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4); + if (!skb) + return RT_STATUS_FAILURE; memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); tcb_desc->queue_index = TXCMD_QUEUE; diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c index d0cf7d8a20e..8872e0f84f4 100644 --- a/drivers/staging/vt6656/iwctl.c +++ b/drivers/staging/vt6656/iwctl.c @@ -1634,6 +1634,9 @@ int iwctl_siwencodeext(struct net_device *dev, struct iw_request_info *info, if (pMgmt == NULL) return -EFAULT; + if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) + return -ENODEV; + buf = kzalloc(sizeof(struct viawget_wpa_param), GFP_KERNEL); if (buf == NULL) return -ENOMEM; diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 536971786ae..6f9d2818244 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -1098,6 +1098,8 @@ static int device_close(struct net_device *dev) memset(pMgmt->abyCurrBSSID, 0, 6); pMgmt->eCurrState = WMAC_STATE_IDLE; + pDevice->flags &= ~DEVICE_FLAGS_OPENED; + device_free_tx_bufs(pDevice); device_free_rx_bufs(pDevice); device_free_int_bufs(pDevice); @@ -1109,7 +1111,6 @@ static int device_close(struct net_device *dev) usb_free_urb(pDevice->pInterruptURB); BSSvClearNodeDBTable(pDevice, 0); - pDevice->flags &=(~DEVICE_FLAGS_OPENED); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n"); diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index fb743a8811b..14f3e852215 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -148,6 +148,8 @@ static void *s_vGetFreeContext(struct vnt_private *pDevice) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); for (ii = 0; ii < pDevice->cbTD; ii++) { + if (!pDevice->apTD[ii]) + return NULL; pContext = pDevice->apTD[ii]; if (pContext->bBoolInUse == false) { pContext->bBoolInUse = true; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 35b61f7d6c6..38e44b9abf0 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -753,7 +753,8 @@ static void iscsit_unmap_iovec(struct iscsi_cmd *cmd) static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) { - struct iscsi_cmd *cmd; + LIST_HEAD(ack_list); + struct iscsi_cmd *cmd, *cmd_p; conn->exp_statsn = exp_statsn; @@ -761,19 +762,23 @@ static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) return; spin_lock_bh(&conn->cmd_lock); - list_for_each_entry(cmd, &conn->conn_cmd_list, i_conn_node) { + list_for_each_entry_safe(cmd, cmd_p, &conn->conn_cmd_list, i_conn_node) { spin_lock(&cmd->istate_lock); if ((cmd->i_state == ISTATE_SENT_STATUS) && iscsi_sna_lt(cmd->stat_sn, exp_statsn)) { cmd->i_state = ISTATE_REMOVE; spin_unlock(&cmd->istate_lock); - iscsit_add_cmd_to_immediate_queue(cmd, conn, - cmd->i_state); + list_move_tail(&cmd->i_conn_node, &ack_list); continue; } spin_unlock(&cmd->istate_lock); } spin_unlock_bh(&conn->cmd_lock); + + list_for_each_entry_safe(cmd, cmd_p, &ack_list, i_conn_node) { + list_del(&cmd->i_conn_node); + iscsit_free_cmd(cmd, false); + } } static int iscsit_allocate_iovecs(struct iscsi_cmd *cmd) diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 14d1aed5af1..ef6d836a4d0 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -1192,7 +1192,7 @@ get_target: */ alloc_tags: tag_num = max_t(u32, ISCSIT_MIN_TAGS, queue_depth); - tag_num += ISCSIT_EXTRA_TAGS; + tag_num += (tag_num / 2) + ISCSIT_EXTRA_TAGS; tag_size = sizeof(struct iscsi_cmd) + conn->conn_transport->priv_size; ret = transport_alloc_session_tags(sess->se_sess, tag_num, tag_size); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index f2de28e178f..b0cac0c342e 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -736,7 +736,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); @@ -752,7 +752,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) se_cmd = &cmd->se_cmd; __iscsit_free_cmd(cmd, true, shutdown); - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 6c17295e8d7..4714c6f8da4 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -349,7 +349,16 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + /* + * Only set SCF_COMPARE_AND_WRITE_POST to force a response fall-through + * within target_complete_ok_work() if the command was successfully + * sent to the backend driver. + */ + spin_lock_irq(&cmd->t_state_lock); + if ((cmd->transport_state & CMD_T_SENT) && !cmd->scsi_status) + cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + spin_unlock_irq(&cmd->t_state_lock); + /* * Unlock ->caw_sem originally obtained during sbc_compare_and_write() * before the original READ I/O submission. @@ -363,7 +372,7 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct scatterlist *write_sg = NULL, *sg; - unsigned char *buf, *addr; + unsigned char *buf = NULL, *addr; struct sg_mapping_iter m; unsigned int offset = 0, len; unsigned int nlbas = cmd->t_task_nolb; @@ -378,6 +387,15 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) */ if (!cmd->t_data_sg || !cmd->t_bidi_data_sg) return TCM_NO_SENSE; + /* + * Immediately exit + release dev->caw_sem if command has already + * been failed with a non-zero SCSI status. + */ + if (cmd->scsi_status) { + pr_err("compare_and_write_callback: non zero scsi_status:" + " 0x%02x\n", cmd->scsi_status); + goto out; + } buf = kzalloc(cmd->data_length, GFP_KERNEL); if (!buf) { @@ -508,6 +526,12 @@ sbc_compare_and_write(struct se_cmd *cmd) cmd->transport_complete_callback = NULL; return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } + /* + * Reset cmd->data_length to individual block_size in order to not + * confuse backend drivers that depend on this value matching the + * size of the I/O being submitted. + */ + cmd->data_length = cmd->t_task_nolb * dev->dev_attrib.block_size; ret = cmd->execute_rw(cmd, cmd->t_bidi_data_sg, cmd->t_bidi_data_nents, DMA_FROM_DEVICE); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 84747cc1aac..81e945eefbb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -236,17 +236,24 @@ int transport_alloc_session_tags(struct se_session *se_sess, { int rc; - se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, GFP_KERNEL); + se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, + GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!se_sess->sess_cmd_map) { - pr_err("Unable to allocate se_sess->sess_cmd_map\n"); - return -ENOMEM; + se_sess->sess_cmd_map = vzalloc(tag_num * tag_size); + if (!se_sess->sess_cmd_map) { + pr_err("Unable to allocate se_sess->sess_cmd_map\n"); + return -ENOMEM; + } } rc = percpu_ida_init(&se_sess->sess_tag_pool, tag_num); if (rc < 0) { pr_err("Unable to init se_sess->sess_tag_pool," " tag_num: %u\n", tag_num); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); se_sess->sess_cmd_map = NULL; return -ENOMEM; } @@ -412,7 +419,10 @@ void transport_free_session(struct se_session *se_sess) { if (se_sess->sess_cmd_map) { percpu_ida_destroy(&se_sess->sess_tag_pool); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); } kmem_cache_free(se_sess_cache, se_sess); } diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 4d22e7d2adc..3da4fd10b9f 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -298,8 +298,8 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op (unsigned long long)xop->dst_lba); if (dc != 0) { - xop->dbl = (desc[29] << 16) & 0xff; - xop->dbl |= (desc[30] << 8) & 0xff; + xop->dbl = (desc[29] & 0xff) << 16; + xop->dbl |= (desc[30] & 0xff) << 8; xop->dbl |= desc[31] & 0xff; pr_debug("XCOPY seg desc 0x02: DC=1 w/ dbl: %u\n", xop->dbl); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index e61c36cbb86..c193af6a628 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -636,6 +636,7 @@ struct console xenboot_console = { .name = "xenboot", .write = xenboot_write_console, .flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME, + .index = -1, }; #endif /* CONFIG_EARLY_PRINTK */ diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index c9a9ddd1d0b..7a744b69c3d 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1758,8 +1758,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) canon_change = (old->c_lflag ^ tty->termios.c_lflag) & ICANON; if (canon_change) { bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE); - ldata->line_start = 0; - ldata->canon_head = ldata->read_tail; + ldata->line_start = ldata->canon_head = ldata->read_tail; ldata->erasing = 0; ldata->lnext = 0; } @@ -2184,28 +2183,34 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, if (!input_available_p(tty, 0)) { if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) { - retval = -EIO; - break; - } - if (tty_hung_up_p(file)) - break; - if (!timeout) - break; - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - n_tty_set_room(tty); - up_read(&tty->termios_rwsem); + up_read(&tty->termios_rwsem); + tty_flush_to_ldisc(tty); + down_read(&tty->termios_rwsem); + if (!input_available_p(tty, 0)) { + retval = -EIO; + break; + } + } else { + if (tty_hung_up_p(file)) + break; + if (!timeout) + break; + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + break; + } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + n_tty_set_room(tty); + up_read(&tty->termios_rwsem); - timeout = schedule_timeout(timeout); + timeout = schedule_timeout(timeout); - down_read(&tty->termios_rwsem); - continue; + down_read(&tty->termios_rwsem); + continue; + } } __set_current_state(TASK_RUNNING); diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 52379e56a31..44077c0b767 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -667,30 +667,21 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf) static int dma_push_rx(struct eg20t_port *priv, int size) { - struct tty_struct *tty; int room; struct uart_port *port = &priv->port; struct tty_port *tport = &port->state->port; - port = &priv->port; - tty = tty_port_tty_get(tport); - if (!tty) { - dev_dbg(priv->port.dev, "%s:tty is busy now", __func__); - return 0; - } - room = tty_buffer_request_room(tport, size); if (room < size) dev_warn(port->dev, "Rx overrun: dropping %u bytes\n", size - room); if (!room) - return room; + return 0; tty_insert_flip_string(tport, sg_virt(&priv->sg_rx), size); port->icount.rx += room; - tty_kref_put(tty); return room; } @@ -1098,6 +1089,8 @@ static void pch_uart_err_ir(struct eg20t_port *priv, unsigned int lsr) if (tty == NULL) { for (i = 0; error_msg[i] != NULL; i++) dev_err(&priv->pdev->dev, error_msg[i]); + } else { + tty_kref_put(tty); } } diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index d0d972f7e43..0489a2bdcdf 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -732,7 +732,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data) static void tegra_uart_stop_rx(struct uart_port *u) { struct tegra_uart_port *tup = to_tegra_uport(u); - struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port); + struct tty_struct *tty; struct tty_port *port = &u->state->port; struct dma_tx_state state; unsigned long ier; @@ -744,6 +744,8 @@ static void tegra_uart_stop_rx(struct uart_port *u) if (!tup->rx_in_progress) return; + tty = tty_port_tty_get(&tup->uport.state->port); + tegra_uart_wait_sym_time(tup, 1); /* wait a character interval */ ier = tup->ier_shadow; diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 03ba081c577..6fd60fece6b 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -1201,6 +1201,9 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, } return 0; case TCFLSH: + retval = tty_check_change(tty); + if (retval) + return retval; return __tty_perform_flush(tty, arg); default: /* Try the mode commands */ diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 4a851e15e58..77b47d82c9a 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -1,6 +1,6 @@ config USB_CHIPIDEA tristate "ChipIdea Highspeed Dual Role Controller" - depends on (USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET) + depends on ((USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)) && HAS_DMA help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. Currently, only the diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 74d998d9b45..be822a2c177 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -131,7 +131,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "usbmisc init failed, ret=%d\n", ret); - goto err_clk; + goto err_phy; } } @@ -143,7 +143,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Can't register ci_hdrc platform device, err=%d\n", ret); - goto err_clk; + goto err_phy; } if (data->usbmisc_data) { @@ -164,6 +164,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) disable_device: ci_hdrc_remove_device(data->ci_pdev); +err_phy: + if (data->phy) + usb_phy_shutdown(data->phy); err_clk: clk_disable_unprepare(data->clk); return ret; diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 042320a6c6c..d514332ac08 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -129,7 +129,12 @@ static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), .driver_data = (kernel_ulong_t)&penwell_pci_platdata, }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } + { + /* Intel Clovertrail */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe006), + .driver_data = (kernel_ulong_t)&penwell_pci_platdata, + }, + { 0 } /* end: all zeroes */ }; MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 94626409559..23763dcec06 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -605,6 +605,7 @@ static int ci_hdrc_remove(struct platform_device *pdev) dbg_remove_files(ci); free_irq(ci->irq, ci); ci_role_destroy(ci); + kfree(ci->hw_bank.regmap); return 0; } diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 6b4c2f2eb94..9333083dd11 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1600,6 +1600,8 @@ static void destroy_eps(struct ci_hdrc *ci) for (i = 0; i < ci->hw_ep_max; i++) { struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; + if (hwep->pending_td) + free_pending_td(hwep); dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); } } @@ -1667,13 +1669,13 @@ static int ci_udc_stop(struct usb_gadget *gadget, if (ci->platdata->notify_event) ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_STOPPED_EVENT); - ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); _gadget_stop_activity(&ci->gadget); spin_lock_irqsave(&ci->lock, flags); pm_runtime_put(&ci->gadget.dev); } + ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); return 0; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 737e3c19967..71dc5d768fa 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, if ((index & ~USB_DIR_IN) == 0) return 0; ret = findintfep(ps->dev, index); + if (ret < 0) { + /* + * Some not fully compliant Win apps seem to get + * index wrong and have the endpoint number here + * rather than the endpoint address (with the + * correct direction). Win does let this through, + * so we'll not reject it here but leave it to + * the device to not break KVM. But we warn. + */ + ret = findintfep(ps->dev, index ^ 0x80); + if (ret >= 0) + dev_info(&ps->dev->dev, + "%s: process %i (%s) requesting ep %02x but needs %02x\n", + __func__, task_pid_nr(current), + current->comm, index, index ^ 0x80); + } if (ret >= 0) ret = checkintf(ps, ret); break; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index dde4c83516a..e6b682c6c23 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3426,6 +3426,9 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state) unsigned long long u2_pel; int ret; + if (udev->state != USB_STATE_CONFIGURED) + return 0; + /* Convert SEL and PEL stored in ns to us */ u1_sel = DIV_ROUND_UP(udev->u1_params.sel, 1000); u1_pel = DIV_ROUND_UP(udev->u1_params.pel, 1000); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 997ebe420bc..2e252aae51c 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -29,6 +29,7 @@ #define PCI_VENDOR_ID_SYNOPSYS 0x16c3 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd #define PCI_DEVICE_ID_INTEL_BYT 0x0f37 +#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e struct dwc3_pci { struct device *dev; @@ -189,6 +190,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = { PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 1a66c5baa0d..44cf775a862 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1034,37 +1034,19 @@ struct ffs_sb_fill_data { struct ffs_file_perms perms; umode_t root_mode; const char *dev_name; - union { - /* set by ffs_fs_mount(), read by ffs_sb_fill() */ - void *private_data; - /* set by ffs_sb_fill(), read by ffs_fs_mount */ - struct ffs_data *ffs_data; - }; + struct ffs_data *ffs_data; }; static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) { struct ffs_sb_fill_data *data = _data; struct inode *inode; - struct ffs_data *ffs; + struct ffs_data *ffs = data->ffs_data; ENTER(); - /* Initialise data */ - ffs = ffs_data_new(); - if (unlikely(!ffs)) - goto Enomem; - ffs->sb = sb; - ffs->dev_name = kstrdup(data->dev_name, GFP_KERNEL); - if (unlikely(!ffs->dev_name)) - goto Enomem; - ffs->file_perms = data->perms; - ffs->private_data = data->private_data; - - /* used by the caller of this function */ - data->ffs_data = ffs; - + data->ffs_data = NULL; sb->s_fs_info = ffs; sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; @@ -1080,17 +1062,14 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) &data->perms); sb->s_root = d_make_root(inode); if (unlikely(!sb->s_root)) - goto Enomem; + return -ENOMEM; /* EP0 file */ if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs, &ffs_ep0_operations, NULL))) - goto Enomem; + return -ENOMEM; return 0; - -Enomem: - return -ENOMEM; } static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) @@ -1193,6 +1172,7 @@ ffs_fs_mount(struct file_system_type *t, int flags, struct dentry *rv; int ret; void *ffs_dev; + struct ffs_data *ffs; ENTER(); @@ -1200,18 +1180,30 @@ ffs_fs_mount(struct file_system_type *t, int flags, if (unlikely(ret < 0)) return ERR_PTR(ret); + ffs = ffs_data_new(); + if (unlikely(!ffs)) + return ERR_PTR(-ENOMEM); + ffs->file_perms = data.perms; + + ffs->dev_name = kstrdup(dev_name, GFP_KERNEL); + if (unlikely(!ffs->dev_name)) { + ffs_data_put(ffs); + return ERR_PTR(-ENOMEM); + } + ffs_dev = functionfs_acquire_dev_callback(dev_name); - if (IS_ERR(ffs_dev)) - return ffs_dev; + if (IS_ERR(ffs_dev)) { + ffs_data_put(ffs); + return ERR_CAST(ffs_dev); + } + ffs->private_data = ffs_dev; + data.ffs_data = ffs; - data.dev_name = dev_name; - data.private_data = ffs_dev; rv = mount_nodev(t, flags, &data, ffs_sb_fill); - - /* data.ffs_data is set by ffs_sb_fill */ - if (IS_ERR(rv)) + if (IS_ERR(rv) && data.ffs_data) { functionfs_release_dev_callback(data.ffs_data); - + ffs_data_put(data.ffs_data); + } return rv; } @@ -2264,6 +2256,8 @@ static int ffs_func_bind(struct usb_configuration *c, data->raw_descs + ret, (sizeof data->raw_descs) - ret, __ffs_func_bind_do_descs, func); + if (unlikely(ret < 0)) + goto error; } /* diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index cc9207473db..0ac6064aa3b 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -2054,7 +2054,7 @@ static struct pxa25x_udc memory = { /* * probe - binds to the platform device */ -static int __init pxa25x_udc_probe(struct platform_device *pdev) +static int pxa25x_udc_probe(struct platform_device *pdev) { struct pxa25x_udc *dev = &memory; int retval, irq; @@ -2203,7 +2203,7 @@ static void pxa25x_udc_shutdown(struct platform_device *_dev) pullup_off(); } -static int __exit pxa25x_udc_remove(struct platform_device *pdev) +static int pxa25x_udc_remove(struct platform_device *pdev) { struct pxa25x_udc *dev = platform_get_drvdata(pdev); @@ -2294,7 +2294,8 @@ static int pxa25x_udc_resume(struct platform_device *dev) static struct platform_driver udc_driver = { .shutdown = pxa25x_udc_shutdown, - .remove = __exit_p(pxa25x_udc_remove), + .probe = pxa25x_udc_probe, + .remove = pxa25x_udc_remove, .suspend = pxa25x_udc_suspend, .resume = pxa25x_udc_resume, .driver = { @@ -2303,7 +2304,7 @@ static struct platform_driver udc_driver = { }, }; -module_platform_driver_probe(udc_driver, pxa25x_udc_probe); +module_platform_driver(udc_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell"); diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 6bddf1aa234..a8a99e4748d 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -543,7 +543,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, * FIFO, requests of >512 cause the endpoint to get stuck with a * fragment of the end of the transfer in it. */ - if (can_write > 512) + if (can_write > 512 && !periodic) can_write = 512; /* diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 4449f565d6c..f2407b2e8a9 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -130,7 +130,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, } /* Enable USB controller, 83xx or 8536 */ - if (pdata->have_sysif_regs) + if (pdata->have_sysif_regs && pdata->controller_ver < FSL_USB_VER_1_6) setbits32(hcd->regs + FSL_SOC_USB_CTRL, 0x4); /* Don't need to set host mode here. It will be done by tdi_reset() */ @@ -232,15 +232,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd, case FSL_USB2_PHY_ULPI: if (pdata->have_sysif_regs && pdata->controller_ver) { /* controller version 1.6 or above */ + clrbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN); setbits32(non_ehci + FSL_SOC_USB_CTRL, - ULPI_PHY_CLK_SEL); - /* - * Due to controller issue of PHY_CLK_VALID in ULPI - * mode, we set USB_CTRL_USB_EN before checking - * PHY_CLK_VALID, otherwise PHY_CLK_VALID doesn't work. - */ - clrsetbits_be32(non_ehci + FSL_SOC_USB_CTRL, - UTMI_PHY_EN, USB_CTRL_USB_EN); + ULPI_PHY_CLK_SEL | USB_CTRL_USB_EN); } portsc |= PORT_PTS_ULPI; break; @@ -270,8 +264,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd, if (pdata->have_sysif_regs && pdata->controller_ver && (phy_mode == FSL_USB2_PHY_ULPI)) { /* check PHY_CLK_VALID to get phy clk valid */ - if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) & - PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) { + if (!(spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) & + PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0) || + in_be32(non_ehci + FSL_SOC_USB_PRICTRL))) { printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n"); return -EINVAL; } diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 6bd299e61f5..854c2ec7b69 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -361,7 +361,7 @@ static struct pci_driver ehci_pci_driver = { .remove = usb_hcd_pci_remove, .shutdown = usb_hcd_pci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 60a5de505ca..adb01d950a1 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -824,13 +824,13 @@ static int imx21_hc_urb_enqueue_isoc(struct usb_hcd *hcd, i = DIV_ROUND_UP(wrap_frame( cur_frame - urb->start_frame), urb->interval); - if (urb->transfer_flags & URB_ISO_ASAP) { + + /* Treat underruns as if URB_ISO_ASAP was set */ + if ((urb->transfer_flags & URB_ISO_ASAP) || + i >= urb->number_of_packets) { urb->start_frame = wrap_frame(urb->start_frame + i * urb->interval); i = 0; - } else if (i >= urb->number_of_packets) { - ret = -EXDEV; - goto alloc_dmem_failed; } } } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 8f6b695af6a..604cad1bcf9 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -216,31 +216,26 @@ static int ohci_urb_enqueue ( frame &= ~(ed->interval - 1); frame |= ed->branch; urb->start_frame = frame; + ed->last_iso = frame + ed->interval * (size - 1); } } else if (ed->type == PIPE_ISOCHRONOUS) { u16 next = ohci_frame_no(ohci) + 1; u16 frame = ed->last_iso + ed->interval; + u16 length = ed->interval * (size - 1); /* Behind the scheduling threshold? */ if (unlikely(tick_before(frame, next))) { - /* USB_ISO_ASAP: Round up to the first available slot */ + /* URB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) { frame += (next - frame + ed->interval - 1) & -ed->interval; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ } else { - if (tick_before(frame + ed->interval * - (urb->number_of_packets - 1), next)) { - retval = -EXDEV; - usb_hcd_unlink_urb_from_ep(hcd, urb); - goto fail; - } - /* * Some OHCI hardware doesn't handle late TDs * correctly. After retiring them it proceeds @@ -251,9 +246,16 @@ static int ohci_urb_enqueue ( urb_priv->td_cnt = DIV_ROUND_UP( (u16) (next - frame), ed->interval); + if (urb_priv->td_cnt >= urb_priv->length) { + ++urb_priv->td_cnt; /* Mark it */ + ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n", + urb, frame, length, + next); + } } } urb->start_frame = frame; + ed->last_iso = frame + length; } /* fill the TDs and link them to the ed; and diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index df4a6707322..e7f577e6362 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -41,9 +41,13 @@ finish_urb(struct ohci_hcd *ohci, struct urb *urb, int status) __releases(ohci->lock) __acquires(ohci->lock) { - struct device *dev = ohci_to_hcd(ohci)->self.controller; + struct device *dev = ohci_to_hcd(ohci)->self.controller; + struct usb_host_endpoint *ep = urb->ep; + struct urb_priv *urb_priv; + // ASSERT (urb->hcpriv != 0); + restart: urb_free_priv (ohci, urb->hcpriv); urb->hcpriv = NULL; if (likely(status == -EINPROGRESS)) @@ -80,6 +84,21 @@ __acquires(ohci->lock) ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_IE); ohci_writel (ohci, ohci->hc_control, &ohci->regs->control); } + + /* + * An isochronous URB that is sumitted too late won't have any TDs + * (marked by the fact that the td_cnt value is larger than the + * actual number of TDs). If the next URB on this endpoint is like + * that, give it back now. + */ + if (!list_empty(&ep->urb_list)) { + urb = list_first_entry(&ep->urb_list, struct urb, urb_list); + urb_priv = urb->hcpriv; + if (urb_priv->td_cnt > urb_priv->length) { + status = 0; + goto restart; + } + } } @@ -546,7 +565,6 @@ td_fill (struct ohci_hcd *ohci, u32 info, td->hwCBP = cpu_to_hc32 (ohci, data & 0xFFFFF000); *ohci_hwPSWp(ohci, td, 0) = cpu_to_hc16 (ohci, (data & 0x0FFF) | 0xE000); - td->ed->last_iso = info & 0xffff; } else { td->hwCBP = cpu_to_hc32 (ohci, data); } @@ -996,7 +1014,7 @@ rescan_this: urb_priv->td_cnt++; /* if URB is done, clean up */ - if (urb_priv->td_cnt == urb_priv->length) { + if (urb_priv->td_cnt >= urb_priv->length) { modified = completed = 1; finish_urb(ohci, urb, 0); } @@ -1086,7 +1104,7 @@ static void takeback_td(struct ohci_hcd *ohci, struct td *td) urb_priv->td_cnt++; /* If all this urb's TDs are done, call complete() */ - if (urb_priv->td_cnt == urb_priv->length) + if (urb_priv->td_cnt >= urb_priv->length) finish_urb(ohci, urb, status); /* clean schedule: unlink EDs that are no longer busy */ diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 4919afa4125..1adff32e40e 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -47,10 +47,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd) dev_dbg(&dev->dev, "s3c2410_start_hc:\n"); - clk_enable(usb_clk); + clk_prepare_enable(usb_clk); mdelay(2); /* let the bus clock stabilise */ - clk_enable(clk); + clk_prepare_enable(clk); if (info != NULL) { info->hcd = hcd; @@ -75,8 +75,8 @@ static void s3c2410_stop_hc(struct platform_device *dev) (info->enable_oc)(info, 0); } - clk_disable(clk); - clk_disable(usb_clk); + clk_disable_unprepare(clk); + clk_disable_unprepare(usb_clk); } /* ohci_s3c2410_hub_status_data diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c index c300bd2f7d1..0f228c46eed 100644 --- a/drivers/usb/host/uhci-pci.c +++ b/drivers/usb/host/uhci-pci.c @@ -293,7 +293,7 @@ static struct pci_driver uhci_pci_driver = { .remove = usb_hcd_pci_remove, .shutdown = uhci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 041c6ddb695..da6f56d996c 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1303,7 +1303,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, } /* Fell behind? */ - if (uhci_frame_before_eq(frame, next)) { + if (!uhci_frame_before_eq(next, frame)) { /* USB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) @@ -1311,13 +1311,17 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, -qh->period; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ else if (!uhci_frame_before_eq(next, frame + (urb->number_of_packets - 1) * qh->period)) - return -EXDEV; + dev_dbg(uhci_dev(uhci), "iso underrun %p (%u+%u < %u)\n", + urb, frame, + (urb->number_of_packets - 1) * + qh->period, + next); } } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index fae697ed0b7..773a6b28c4f 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -287,7 +287,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) xhci_queue_stop_endpoint(xhci, slot_id, i, suspend); } - cmd->command_trb = xhci->cmd_ring->enqueue; + cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&cmd->cmd_list, &virt_dev->cmd_list); xhci_queue_stop_endpoint(xhci, slot_id, 0, suspend); xhci_ring_cmd_db(xhci); @@ -552,11 +552,15 @@ void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, u16 wIndex) * - Mark a port as being done with device resume, * and ring the endpoint doorbells. * - Stop the Synopsys redriver Compliance Mode polling. + * - Drop and reacquire the xHCI lock, in order to wait for port resume. */ static u32 xhci_get_port_status(struct usb_hcd *hcd, struct xhci_bus_state *bus_state, __le32 __iomem **port_array, - u16 wIndex, u32 raw_port_status) + u16 wIndex, u32 raw_port_status, + unsigned long flags) + __releases(&xhci->lock) + __acquires(&xhci->lock) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); u32 status = 0; @@ -591,21 +595,42 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, return 0xffffffff; if (time_after_eq(jiffies, bus_state->resume_done[wIndex])) { + int time_left; + xhci_dbg(xhci, "Resume USB2 port %d\n", wIndex + 1); bus_state->resume_done[wIndex] = 0; clear_bit(wIndex, &bus_state->resuming_ports); + + set_bit(wIndex, &bus_state->rexit_ports); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); - xhci_dbg(xhci, "set port %d resume\n", - wIndex + 1); - slot_id = xhci_find_slot_id_by_port(hcd, xhci, - wIndex + 1); - if (!slot_id) { - xhci_dbg(xhci, "slot_id is zero\n"); - return 0xffffffff; + + spin_unlock_irqrestore(&xhci->lock, flags); + time_left = wait_for_completion_timeout( + &bus_state->rexit_done[wIndex], + msecs_to_jiffies( + XHCI_MAX_REXIT_TIMEOUT)); + spin_lock_irqsave(&xhci->lock, flags); + + if (time_left) { + slot_id = xhci_find_slot_id_by_port(hcd, + xhci, wIndex + 1); + if (!slot_id) { + xhci_dbg(xhci, "slot_id is zero\n"); + return 0xffffffff; + } + xhci_ring_device(xhci, slot_id); + } else { + int port_status = xhci_readl(xhci, + port_array[wIndex]); + xhci_warn(xhci, "Port resume took longer than %i msec, port status = 0x%x\n", + XHCI_MAX_REXIT_TIMEOUT, + port_status); + status |= USB_PORT_STAT_SUSPEND; + clear_bit(wIndex, &bus_state->rexit_ports); } - xhci_ring_device(xhci, slot_id); + bus_state->port_c_suspend |= 1 << wIndex; bus_state->suspended_ports &= ~(1 << wIndex); } else { @@ -728,7 +753,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; } status = xhci_get_port_status(hcd, bus_state, port_array, - wIndex, temp); + wIndex, temp, flags); if (status == 0xffffffff) goto error; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 53b972c2a09..83bcd13622c 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2428,6 +2428,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) for (i = 0; i < USB_MAXCHILDREN; ++i) { xhci->bus_state[0].resume_done[i] = 0; xhci->bus_state[1].resume_done[i] = 0; + /* Only the USB 2.0 completions will ever be used. */ + init_completion(&xhci->bus_state[1].rexit_done[i]); } if (scratchpad_alloc(xhci, flags)) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index c2d495057eb..236c3aabe94 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -351,7 +351,7 @@ static struct pci_driver xhci_pci_driver = { /* suspend and resume implemented later */ .shutdown = usb_hcd_pci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 411da1fc7ae..6bfbd80ec2b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -123,6 +123,16 @@ static int enqueue_is_link_trb(struct xhci_ring *ring) return TRB_TYPE_LINK_LE32(link->control); } +union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring) +{ + /* Enqueue pointer can be left pointing to the link TRB, + * we must handle that + */ + if (TRB_TYPE_LINK_LE32(ring->enqueue->link.control)) + return ring->enq_seg->next->trbs; + return ring->enqueue; +} + /* Updates trb to point to the next TRB in the ring, and updates seg if the next * TRB is in a new segment. This does not skip over link TRBs, and it does not * effect the ring dequeue or enqueue pointers. @@ -859,8 +869,12 @@ remove_finished_td: /* Otherwise ring the doorbell(s) to restart queued transfers */ ring_doorbell_for_active_rings(xhci, slot_id, ep_index); } - ep->stopped_td = NULL; - ep->stopped_trb = NULL; + + /* Clear stopped_td and stopped_trb if endpoint is not halted */ + if (!(ep->ep_state & EP_HALTED)) { + ep->stopped_td = NULL; + ep->stopped_trb = NULL; + } /* * Drop the lock and complete the URBs in the cancelled TD list. @@ -1414,6 +1428,12 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, inc_deq(xhci, xhci->cmd_ring); return; } + /* There is no command to handle if we get a stop event when the + * command ring is empty, event->cmd_trb points to the next + * unset command + */ + if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue) + return; } switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3]) @@ -1743,6 +1763,19 @@ static void handle_port_status(struct xhci_hcd *xhci, } } + /* + * Check to see if xhci-hub.c is waiting on RExit to U0 transition (or + * RExit to a disconnect state). If so, let the the driver know it's + * out of the RExit state. + */ + if (!DEV_SUPERSPEED(temp) && + test_and_clear_bit(faked_port_index, + &bus_state->rexit_ports)) { + complete(&bus_state->rexit_done[faked_port_index]); + bogus_port_status = true; + goto cleanup; + } + if (hcd->speed != HCD_USB3) xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 49b6edb84a7..1e36dbb4836 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2598,15 +2598,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, if (command) { cmd_completion = command->completion; cmd_status = &command->status; - command->command_trb = xhci->cmd_ring->enqueue; - - /* Enqueue pointer can be left pointing to the link TRB, - * we must handle that - */ - if (TRB_TYPE_LINK_LE32(command->command_trb->link.control)) - command->command_trb = - xhci->cmd_ring->enq_seg->next->trbs; - + command->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&command->cmd_list, &virt_dev->cmd_list); } else { cmd_completion = &virt_dev->cmd_completion; @@ -2614,7 +2606,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, } init_completion(cmd_completion); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); if (!ctx_change) ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma, udev->slot_id, must_succeed); @@ -3439,14 +3431,7 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) /* Attempt to submit the Reset Device command to the command ring */ spin_lock_irqsave(&xhci->lock, flags); - reset_device_cmd->command_trb = xhci->cmd_ring->enqueue; - - /* Enqueue pointer can be left pointing to the link TRB, - * we must handle that - */ - if (TRB_TYPE_LINK_LE32(reset_device_cmd->command_trb->link.control)) - reset_device_cmd->command_trb = - xhci->cmd_ring->enq_seg->next->trbs; + reset_device_cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&reset_device_cmd->cmd_list, &virt_dev->cmd_list); ret = xhci_queue_reset_device(xhci, slot_id); @@ -3650,7 +3635,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) union xhci_trb *cmd_trb; spin_lock_irqsave(&xhci->lock, flags); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); @@ -3785,7 +3770,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) slot_ctx->dev_info >> 27); spin_lock_irqsave(&xhci->lock, flags); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma, udev->slot_id); if (ret) { diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 46aa1489414..289fbfbae74 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1412,8 +1412,18 @@ struct xhci_bus_state { unsigned long resume_done[USB_MAXCHILDREN]; /* which ports have started to resume */ unsigned long resuming_ports; + /* Which ports are waiting on RExit to U0 transition. */ + unsigned long rexit_ports; + struct completion rexit_done[USB_MAXCHILDREN]; }; + +/* + * It can take up to 20 ms to transition from RExit to U0 on the + * Intel Lynx Point LP xHCI host. + */ +#define XHCI_MAX_REXIT_TIMEOUT (20 * 1000) + static inline unsigned int hcd_index(struct usb_hcd *hcd) { if (hcd->speed == HCD_USB3) @@ -1840,6 +1850,7 @@ int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command, union xhci_trb *cmd_trb); void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); +union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring); /* xHCI roothub code */ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 4047cbb91ba..bd4138d80a4 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -535,6 +535,9 @@ static int dsps_probe(struct platform_device *pdev) struct dsps_glue *glue; int ret; + if (!strcmp(pdev->name, "musb-hdrc")) + return -ENODEV; + match = of_match_node(musb_dsps_of_match, pdev->dev.of_node); if (!match) { dev_err(&pdev->dev, "fail to get matching of_match struct\n"); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 9a08679d204..b19ed213ab8 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1790,6 +1790,10 @@ int musb_gadget_setup(struct musb *musb) musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; + MUSB_DEV_MODE(musb); + musb->xceiv->otg->default_a = 0; + musb->xceiv->state = OTG_STATE_B_IDLE; + /* this "gadget" abstracts/virtualizes the controller */ musb->g.name = musb_driver_name; musb->g.is_otg = 1; @@ -1849,7 +1853,6 @@ static int musb_gadget_start(struct usb_gadget *g, musb->gadget_driver = driver; spin_lock_irqsave(&musb->lock, flags); - musb->is_active = 1; otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index b2f29c9aebb..02799a5efcd 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -241,7 +241,7 @@ static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend) /* platform driver interface */ -static int __init gpio_vbus_probe(struct platform_device *pdev) +static int gpio_vbus_probe(struct platform_device *pdev) { struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); struct gpio_vbus_data *gpio_vbus; @@ -349,7 +349,7 @@ err_gpio: return err; } -static int __exit gpio_vbus_remove(struct platform_device *pdev) +static int gpio_vbus_remove(struct platform_device *pdev) { struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); @@ -398,8 +398,6 @@ static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { }; #endif -/* NOTE: the gpio-vbus device may *NOT* be hotplugged */ - MODULE_ALIAS("platform:gpio-vbus"); static struct platform_driver gpio_vbus_driver = { @@ -410,10 +408,11 @@ static struct platform_driver gpio_vbus_driver = { .pm = &gpio_vbus_dev_pm_ops, #endif }, - .remove = __exit_p(gpio_vbus_remove), + .probe = gpio_vbus_probe, + .remove = gpio_vbus_remove, }; -module_platform_driver_probe(gpio_vbus_driver, gpio_vbus_probe); +module_platform_driver(gpio_vbus_driver); MODULE_DESCRIPTION("simple GPIO controlled OTG transceiver driver"); MODULE_AUTHOR("Philipp Zabel"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 1cf6f125f5f..80a7104d5dd 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -81,6 +81,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_VENDOR_ID 0x12D1 #define HUAWEI_PRODUCT_E173 0x140C +#define HUAWEI_PRODUCT_E1750 0x1406 #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 @@ -567,6 +568,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 592b31698fc..ce5221fa393 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -728,7 +728,12 @@ vhost_scsi_get_tag(struct vhost_virtqueue *vq, } se_sess = tv_nexus->tvn_se_sess; - tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_KERNEL); + tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC); + if (tag < 0) { + pr_err("Unable to obtain tag for tcm_vhost_cmd\n"); + return ERR_PTR(-ENOMEM); + } + cmd = &((struct tcm_vhost_cmd *)se_sess->sess_cmd_map)[tag]; sg = cmd->tvc_sgl; pages = cmd->tvc_upages; diff --git a/drivers/video/mmp/hw/mmp_ctrl.c b/drivers/video/mmp/hw/mmp_ctrl.c index 75dca19bf21..6ac755270ab 100644 --- a/drivers/video/mmp/hw/mmp_ctrl.c +++ b/drivers/video/mmp/hw/mmp_ctrl.c @@ -514,7 +514,7 @@ static int mmphw_probe(struct platform_device *pdev) if (IS_ERR(ctrl->clk)) { dev_err(ctrl->dev, "unable to get clk %s\n", mi->clk_name); ret = -ENOENT; - goto failed_get_clk; + goto failed; } clk_prepare_enable(ctrl->clk); @@ -551,21 +551,8 @@ failed_path_init: path_deinit(path_plat); } - if (ctrl->clk) { - devm_clk_put(ctrl->dev, ctrl->clk); - clk_disable_unprepare(ctrl->clk); - } -failed_get_clk: - devm_free_irq(ctrl->dev, ctrl->irq, ctrl); + clk_disable_unprepare(ctrl->clk); failed: - if (ctrl) { - if (ctrl->reg_base) - devm_iounmap(ctrl->dev, ctrl->reg_base); - devm_release_mem_region(ctrl->dev, res->start, - resource_size(res)); - devm_kfree(ctrl->dev, ctrl); - } - dev_err(&pdev->dev, "device init failed\n"); return ret; diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index d250ed0f806..27197a8048c 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -620,6 +620,7 @@ static int mxsfb_restore_mode(struct mxsfb_info *host) break; case 3: bits_per_pixel = 32; + break; case 1: default: return -EINVAL; diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 7ef079c146e..c172a5281f9 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -2075,6 +2075,7 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) if (!fb_find_mode(&info->var, info, mode_option, NULL, 0, info->monspecs.modedb, 16)) { printk(KERN_ERR "neofb: Unable to find usable video mode.\n"); + err = -EINVAL; goto err_map_video; } @@ -2097,7 +2098,8 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id) info->fix.smem_len >> 10, info->var.xres, info->var.yres, h_sync / 1000, h_sync % 1000, v_sync); - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) + err = fb_alloc_cmap(&info->cmap, 256, 0); + if (err < 0) goto err_map_video; err = register_framebuffer(info); diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c index 171821ddd78..ba5b40f581f 100644 --- a/drivers/video/of_display_timing.c +++ b/drivers/video/of_display_timing.c @@ -120,7 +120,7 @@ int of_get_display_timing(struct device_node *np, const char *name, return -EINVAL; } - timing_np = of_find_node_by_name(np, name); + timing_np = of_get_child_by_name(np, name); if (!timing_np) { pr_err("%s: could not find node '%s'\n", of_node_full_name(np), name); @@ -143,11 +143,11 @@ struct display_timings *of_get_display_timings(struct device_node *np) struct display_timings *disp; if (!np) { - pr_err("%s: no devicenode given\n", of_node_full_name(np)); + pr_err("%s: no device node given\n", of_node_full_name(np)); return NULL; } - timings_np = of_find_node_by_name(np, "display-timings"); + timings_np = of_get_child_by_name(np, "display-timings"); if (!timings_np) { pr_err("%s: could not find display-timings node\n", of_node_full_name(np)); diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig index 6c90885b094..10b25e7cd87 100644 --- a/drivers/video/omap2/displays-new/Kconfig +++ b/drivers/video/omap2/displays-new/Kconfig @@ -35,6 +35,7 @@ config DISPLAY_PANEL_DPI config DISPLAY_PANEL_DSI_CM tristate "Generic DSI Command Mode Panel" + depends on BACKLIGHT_CLASS_DEVICE help Driver for generic DSI command mode panels. diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 1b60698f141..ccd9073f706 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -191,7 +191,7 @@ static int tvc_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c index bc5f8ceda37..63d88ee6dfe 100644 --- a/drivers/video/omap2/displays-new/connector-dvi.c +++ b/drivers/video/omap2/displays-new/connector-dvi.c @@ -263,7 +263,7 @@ static int dvic_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c index c5826716d6a..9abe2c039ae 100644 --- a/drivers/video/omap2/displays-new/connector-hdmi.c +++ b/drivers/video/omap2/displays-new/connector-hdmi.c @@ -290,7 +290,7 @@ static int hdmic_probe_pdata(struct platform_device *pdev) in = omap_dss_find_output(pdata->source); if (in == NULL) { dev_err(&pdev->dev, "Failed to find video source\n"); - return -ENODEV; + return -EPROBE_DEFER; } ddata->in = in; diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 02a7340111d..477975009ee 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -3691,6 +3691,7 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_irq_safe(&pdev->dev); r = dispc_runtime_get(); if (r) diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 47ca86c5c6c..d838ba82945 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -1336,14 +1336,7 @@ static int s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) (info->var.bits_per_pixel * info->var.xres_virtual); if (info->var.yres_virtual < info->var.yres) { dev_err(info->device, "virtual vertical size smaller than real\n"); - goto err_find_mode; - } - - /* maximize virtual vertical size for fast scrolling */ - info->var.yres_virtual = info->fix.smem_len * 8 / - (info->var.bits_per_pixel * info->var.xres_virtual); - if (info->var.yres_virtual < info->var.yres) { - dev_err(info->device, "virtual vertical size smaller than real\n"); + rc = -EINVAL; goto err_find_mode; } diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index a50c6e3a7cc..b232908a619 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -398,8 +398,6 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) if (nr_pages > ARRAY_SIZE(frame_list)) nr_pages = ARRAY_SIZE(frame_list); - scratch_page = get_balloon_scratch_page(); - for (i = 0; i < nr_pages; i++) { page = alloc_page(gfp); if (page == NULL) { @@ -413,6 +411,12 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) scrub_page(page); + /* + * Ballooned out frames are effectively replaced with + * a scratch frame. Ensure direct mappings and the + * p2m are consistent. + */ + scratch_page = get_balloon_scratch_page(); #ifdef CONFIG_XEN_HAVE_PVMMU if (xen_pv_domain() && !PageHighMem(page)) { ret = HYPERVISOR_update_va_mapping( @@ -422,24 +426,19 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) BUG_ON(ret); } #endif - } - - /* Ensure that ballooned highmem pages don't have kmaps. */ - kmap_flush_unused(); - flush_tlb_all(); - - /* No more mappings: invalidate P2M and add to balloon. */ - for (i = 0; i < nr_pages; i++) { - pfn = mfn_to_pfn(frame_list[i]); if (!xen_feature(XENFEAT_auto_translated_physmap)) { unsigned long p; p = page_to_pfn(scratch_page); __set_phys_to_machine(pfn, pfn_to_mfn(p)); } + put_balloon_scratch_page(); + balloon_append(pfn_to_page(pfn)); } - put_balloon_scratch_page(); + /* Ensure that ballooned highmem pages don't have kmaps. */ + kmap_flush_unused(); + flush_tlb_all(); set_xen_guest_handle(reservation.extent_start, frame_list); reservation.nr_extents = nr_pages; diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 646337dc520..529300327f4 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -600,9 +600,6 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) /* lock down the parent dentry so we can peer at it */ parent = dget_parent(dentry); - if (!parent->d_inode) - goto out_bad; - dir = AFS_FS_I(parent->d_inode); /* validate the parent directory */ @@ -167,10 +167,25 @@ static int __init aio_setup(void) } __initcall(aio_setup); +static void put_aio_ring_file(struct kioctx *ctx) +{ + struct file *aio_ring_file = ctx->aio_ring_file; + if (aio_ring_file) { + truncate_setsize(aio_ring_file->f_inode, 0); + + /* Prevent further access to the kioctx from migratepages */ + spin_lock(&aio_ring_file->f_inode->i_mapping->private_lock); + aio_ring_file->f_inode->i_mapping->private_data = NULL; + ctx->aio_ring_file = NULL; + spin_unlock(&aio_ring_file->f_inode->i_mapping->private_lock); + + fput(aio_ring_file); + } +} + static void aio_free_ring(struct kioctx *ctx) { int i; - struct file *aio_ring_file = ctx->aio_ring_file; for (i = 0; i < ctx->nr_pages; i++) { pr_debug("pid(%d) [%d] page->count=%d\n", current->pid, i, @@ -178,14 +193,10 @@ static void aio_free_ring(struct kioctx *ctx) put_page(ctx->ring_pages[i]); } + put_aio_ring_file(ctx); + if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages) kfree(ctx->ring_pages); - - if (aio_ring_file) { - truncate_setsize(aio_ring_file->f_inode, 0); - fput(aio_ring_file); - ctx->aio_ring_file = NULL; - } } static int aio_ring_mmap(struct file *file, struct vm_area_struct *vma) @@ -207,9 +218,8 @@ static int aio_set_page_dirty(struct page *page) static int aio_migratepage(struct address_space *mapping, struct page *new, struct page *old, enum migrate_mode mode) { - struct kioctx *ctx = mapping->private_data; + struct kioctx *ctx; unsigned long flags; - unsigned idx = old->index; int rc; /* Writeback must be complete */ @@ -224,10 +234,23 @@ static int aio_migratepage(struct address_space *mapping, struct page *new, get_page(new); - spin_lock_irqsave(&ctx->completion_lock, flags); - migrate_page_copy(new, old); - ctx->ring_pages[idx] = new; - spin_unlock_irqrestore(&ctx->completion_lock, flags); + /* We can potentially race against kioctx teardown here. Use the + * address_space's private data lock to protect the mapping's + * private_data. + */ + spin_lock(&mapping->private_lock); + ctx = mapping->private_data; + if (ctx) { + pgoff_t idx; + spin_lock_irqsave(&ctx->completion_lock, flags); + migrate_page_copy(new, old); + idx = old->index; + if (idx < (pgoff_t)ctx->nr_pages) + ctx->ring_pages[idx] = new; + spin_unlock_irqrestore(&ctx->completion_lock, flags); + } else + rc = -EBUSY; + spin_unlock(&mapping->private_lock); return rc; } @@ -617,8 +640,7 @@ out_freepcpu: out_freeref: free_percpu(ctx->users.pcpu_count); out_freectx: - if (ctx->aio_ring_file) - fput(ctx->aio_ring_file); + put_aio_ring_file(ctx); kmem_cache_free(kioctx_cachep, ctx); pr_debug("error allocating ioctx %d\n", err); return ERR_PTR(err); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 100edcc5e31..4c94a79991b 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1413,7 +1413,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata, * long file_ofs * followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL... */ -static void fill_files_note(struct memelfnote *note) +static int fill_files_note(struct memelfnote *note) { struct vm_area_struct *vma; unsigned count, size, names_ofs, remaining, n; @@ -1428,11 +1428,11 @@ static void fill_files_note(struct memelfnote *note) names_ofs = (2 + 3 * count) * sizeof(data[0]); alloc: if (size >= MAX_FILE_NOTE_SIZE) /* paranoia check */ - goto err; + return -EINVAL; size = round_up(size, PAGE_SIZE); data = vmalloc(size); if (!data) - goto err; + return -ENOMEM; start_end_ofs = data + 2; name_base = name_curpos = ((char *)data) + names_ofs; @@ -1485,7 +1485,7 @@ static void fill_files_note(struct memelfnote *note) size = name_curpos - (char *)data; fill_note(note, "CORE", NT_FILE, size, data); - err: ; + return 0; } #ifdef CORE_DUMP_USE_REGSET @@ -1686,8 +1686,8 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, fill_auxv_note(&info->auxv, current->mm); info->size += notesize(&info->auxv); - fill_files_note(&info->files); - info->size += notesize(&info->files); + if (fill_files_note(&info->files) == 0) + info->size += notesize(&info->files); return 1; } @@ -1719,7 +1719,8 @@ static int write_note_info(struct elf_note_info *info, return 0; if (first && !writenote(&info->auxv, file, foffset)) return 0; - if (first && !writenote(&info->files, file, foffset)) + if (first && info->files.data && + !writenote(&info->files, file, foffset)) return 0; for (i = 1; i < info->thread_notes; ++i) @@ -1806,6 +1807,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) struct elf_note_info { struct memelfnote *notes; + struct memelfnote *notes_files; struct elf_prstatus *prstatus; /* NT_PRSTATUS */ struct elf_prpsinfo *psinfo; /* NT_PRPSINFO */ struct list_head thread_list; @@ -1896,9 +1898,12 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, fill_siginfo_note(info->notes + 2, &info->csigdata, siginfo); fill_auxv_note(info->notes + 3, current->mm); - fill_files_note(info->notes + 4); + info->numnote = 4; - info->numnote = 5; + if (fill_files_note(info->notes + info->numnote) == 0) { + info->notes_files = info->notes + info->numnote; + info->numnote++; + } /* Try to dump the FPU. */ info->prstatus->pr_fpvalid = elf_core_copy_task_fpregs(current, regs, @@ -1960,8 +1965,9 @@ static void free_note_info(struct elf_note_info *info) kfree(list_entry(tmp, struct elf_thread_status, list)); } - /* Free data allocated by fill_files_note(): */ - vfree(info->notes[4].data); + /* Free data possibly allocated by fill_files_note(): */ + if (info->notes_files) + vfree(info->notes_files->data); kfree(info->prstatus); kfree(info->psinfo); @@ -2044,7 +2050,7 @@ static int elf_core_dump(struct coredump_params *cprm) struct vm_area_struct *vma, *gate_vma; struct elfhdr *elf = NULL; loff_t offset = 0, dataoff, foffset; - struct elf_note_info info; + struct elf_note_info info = { }; struct elf_phdr *phdr4note = NULL; struct elf_shdr *shdr4extnum = NULL; Elf_Half e_phnum; @@ -917,8 +917,8 @@ void bio_copy_data(struct bio *dst, struct bio *src) src_p = kmap_atomic(src_bv->bv_page); dst_p = kmap_atomic(dst_bv->bv_page); - memcpy(dst_p + dst_bv->bv_offset, - src_p + src_bv->bv_offset, + memcpy(dst_p + dst_offset, + src_p + src_offset, bytes); kunmap_atomic(dst_p); diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 58b7d14b08e..08cc08f037a 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -107,7 +107,8 @@ static void check_idle_worker(struct btrfs_worker_thread *worker) worker->idle = 1; /* the list may be empty if the worker is just starting */ - if (!list_empty(&worker->worker_list)) { + if (!list_empty(&worker->worker_list) && + !worker->workers->stopping) { list_move(&worker->worker_list, &worker->workers->idle_list); } @@ -127,7 +128,8 @@ static void check_busy_worker(struct btrfs_worker_thread *worker) spin_lock_irqsave(&worker->workers->lock, flags); worker->idle = 0; - if (!list_empty(&worker->worker_list)) { + if (!list_empty(&worker->worker_list) && + !worker->workers->stopping) { list_move_tail(&worker->worker_list, &worker->workers->worker_list); } @@ -412,6 +414,7 @@ void btrfs_stop_workers(struct btrfs_workers *workers) int can_stop; spin_lock_irq(&workers->lock); + workers->stopping = 1; list_splice_init(&workers->idle_list, &workers->worker_list); while (!list_empty(&workers->worker_list)) { cur = workers->worker_list.next; @@ -455,6 +458,7 @@ void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max, workers->ordered = 0; workers->atomic_start_pending = 0; workers->atomic_worker_start = async_helper; + workers->stopping = 0; } /* @@ -480,15 +484,19 @@ static int __btrfs_start_workers(struct btrfs_workers *workers) atomic_set(&worker->num_pending, 0); atomic_set(&worker->refs, 1); worker->workers = workers; - worker->task = kthread_run(worker_loop, worker, - "btrfs-%s-%d", workers->name, - workers->num_workers + 1); + worker->task = kthread_create(worker_loop, worker, + "btrfs-%s-%d", workers->name, + workers->num_workers + 1); if (IS_ERR(worker->task)) { ret = PTR_ERR(worker->task); - kfree(worker); goto fail; } + spin_lock_irq(&workers->lock); + if (workers->stopping) { + spin_unlock_irq(&workers->lock); + goto fail_kthread; + } list_add_tail(&worker->worker_list, &workers->idle_list); worker->idle = 1; workers->num_workers++; @@ -496,8 +504,13 @@ static int __btrfs_start_workers(struct btrfs_workers *workers) WARN_ON(workers->num_workers_starting < 0); spin_unlock_irq(&workers->lock); + wake_up_process(worker->task); return 0; + +fail_kthread: + kthread_stop(worker->task); fail: + kfree(worker); spin_lock_irq(&workers->lock); workers->num_workers_starting--; spin_unlock_irq(&workers->lock); diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h index 063698b90ce..1f26792683e 100644 --- a/fs/btrfs/async-thread.h +++ b/fs/btrfs/async-thread.h @@ -107,6 +107,8 @@ struct btrfs_workers { /* extra name for this worker, used for current->name */ char *name; + + int stopping; }; void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 70681686e8d..9efb94e9585 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -535,10 +535,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list); btrfs_rm_dev_replace_srcdev(fs_info, src_device); - if (src_device->bdev) { - /* zero out the old super */ - btrfs_scratch_superblock(src_device); - } + /* * this is again a consistent state where no dev_replace procedure * is running, the target device is part of the filesystem, the diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c09a40db53d..22bda32acb8 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -145,8 +145,16 @@ int __init extent_io_init(void) offsetof(struct btrfs_io_bio, bio)); if (!btrfs_bioset) goto free_buffer_cache; + + if (bioset_integrity_create(btrfs_bioset, BIO_POOL_SIZE)) + goto free_bioset; + return 0; +free_bioset: + bioset_free(btrfs_bioset); + btrfs_bioset = NULL; + free_buffer_cache: kmem_cache_destroy(extent_buffer_cache); extent_buffer_cache = NULL; @@ -1614,7 +1622,7 @@ again: *start = delalloc_start; *end = delalloc_end; free_extent_state(cached_state); - return found; + return 0; } /* diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index e7a95356df8..8c81bdc1ef9 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1838,11 +1838,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, assert_qgroups_uptodate(trans); update_super_roots(root); - if (!root->fs_info->log_root_recovering) { - btrfs_set_super_log_root(root->fs_info->super_copy, 0); - btrfs_set_super_log_root_level(root->fs_info->super_copy, 0); - } - + btrfs_set_super_log_root(root->fs_info->super_copy, 0); + btrfs_set_super_log_root_level(root->fs_info->super_copy, 0); memcpy(root->fs_info->super_for_commit, root->fs_info->super_copy, sizeof(*root->fs_info->super_copy)); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index a1064583022..043b215769c 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1716,6 +1716,7 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, struct btrfs_device *srcdev) { WARN_ON(!mutex_is_locked(&fs_info->fs_devices->device_list_mutex)); + list_del_rcu(&srcdev->dev_list); list_del_rcu(&srcdev->dev_alloc_list); fs_info->fs_devices->num_devices--; @@ -1725,9 +1726,13 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, } if (srcdev->can_discard) fs_info->fs_devices->num_can_discard--; - if (srcdev->bdev) + if (srcdev->bdev) { fs_info->fs_devices->open_devices--; + /* zero out the old super */ + btrfs_scratch_superblock(srcdev); + } + call_rcu(&srcdev->rcu, free_device); } diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index ea723a5e822..6d0b07217ac 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -132,5 +132,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ -#define CIFS_VERSION "2.01" +#define CIFS_VERSION "2.02" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index cfa14c80ef3..52b6f6c26bf 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -547,9 +547,6 @@ struct TCP_Server_Info { unsigned int max_rw; /* maxRw specifies the maximum */ /* message size the server can send or receive for */ /* SMB_COM_WRITE_RAW or SMB_COM_READ_RAW. */ - unsigned int max_vcs; /* maximum number of smb sessions, at least - those that can be specified uniquely with - vcnumbers */ unsigned int capabilities; /* selective disabling of caps by smb sess */ int timeAdj; /* Adjust for difference in server time zone in sec */ __u64 CurrentMid; /* multiplex id - rotating counter */ @@ -715,7 +712,6 @@ struct cifs_ses { enum statusEnum status; unsigned overrideSecFlg; /* if non-zero override global sec flags */ __u16 ipc_tid; /* special tid for connection to IPC share */ - __u16 vcnum; char *serverOS; /* name of operating system underlying server */ char *serverNOS; /* name of network operating system of server */ char *serverDomain; /* security realm of server */ @@ -1272,6 +1268,7 @@ struct dfs_info3_param { #define CIFS_FATTR_DELETE_PENDING 0x2 #define CIFS_FATTR_NEED_REVAL 0x4 #define CIFS_FATTR_INO_COLLISION 0x8 +#define CIFS_FATTR_UNKNOWN_NLINK 0x10 struct cifs_fattr { u32 cf_flags; diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index 948676db8e2..a630475e421 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -2652,26 +2652,7 @@ typedef struct file_xattr_info { } __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info level 0x205 */ - -/* flags for chattr command */ -#define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */ -#define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */ -/* Reserved for compress file 0x4 */ -#define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */ -#define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */ -#define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */ -#define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */ -#define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */ -/* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */ -#define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */ -/* 0x2000 reserved for IMAGIC_FL */ -#define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */ -/* 0x8000 reserved for EXT3_NOTAIL_FL */ -#define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */ -#define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */ - -#define EXT_SET_MASK 0x000300FF -#define EXT_GET_MASK 0x0003DFFF +/* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ typedef struct file_chattr_info { __le64 mask; /* list of all possible attribute bits */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a3d74fea162..4baf35949b5 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -463,7 +463,6 @@ decode_lanman_negprot_rsp(struct TCP_Server_Info *server, NEGOTIATE_RSP *pSMBr) cifs_max_pending); set_credits(server, server->maxReq); server->maxBuf = le16_to_cpu(rsp->MaxBufSize); - server->max_vcs = le16_to_cpu(rsp->MaxNumberVcs); /* even though we do not use raw we might as well set this accurately, in case we ever find a need for it */ if ((le16_to_cpu(rsp->RawMode) & RAW_ENABLE) == RAW_ENABLE) { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index eb955b525e5..7ddddf2e250 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3254,6 +3254,9 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, /* * Reads as many pages as possible from fscache. Returns -ENOBUFS * immediately if the cookie is negative + * + * After this point, every page in the list might have PG_fscache set, + * so we will need to clean that up off of every page we don't use. */ rc = cifs_readpages_from_fscache(mapping->host, mapping, page_list, &num_pages); @@ -3376,6 +3379,11 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, kref_put(&rdata->refcount, cifs_readdata_release); } + /* Any pages that have been shown to fscache but didn't get added to + * the pagecache must be uncached before they get returned to the + * allocator. + */ + cifs_fscache_readpages_cancel(mapping->host, page_list); return rc; } diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c index 2f4bc5a5805..b3258f35e88 100644 --- a/fs/cifs/fscache.c +++ b/fs/cifs/fscache.c @@ -223,6 +223,13 @@ void __cifs_readpage_to_fscache(struct inode *inode, struct page *page) fscache_uncache_page(CIFS_I(inode)->fscache, page); } +void __cifs_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) +{ + cifs_dbg(FYI, "%s: (fsc: %p, i: %p)\n", + __func__, CIFS_I(inode)->fscache, inode); + fscache_readpages_cancel(CIFS_I(inode)->fscache, pages); +} + void __cifs_fscache_invalidate_page(struct page *page, struct inode *inode) { struct cifsInodeInfo *cifsi = CIFS_I(inode); diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h index 63539323e0b..24794b6cd8e 100644 --- a/fs/cifs/fscache.h +++ b/fs/cifs/fscache.h @@ -54,6 +54,7 @@ extern int __cifs_readpages_from_fscache(struct inode *, struct address_space *, struct list_head *, unsigned *); +extern void __cifs_fscache_readpages_cancel(struct inode *, struct list_head *); extern void __cifs_readpage_to_fscache(struct inode *, struct page *); @@ -91,6 +92,13 @@ static inline void cifs_readpage_to_fscache(struct inode *inode, __cifs_readpage_to_fscache(inode, page); } +static inline void cifs_fscache_readpages_cancel(struct inode *inode, + struct list_head *pages) +{ + if (CIFS_I(inode)->fscache) + return __cifs_fscache_readpages_cancel(inode, pages); +} + #else /* CONFIG_CIFS_FSCACHE */ static inline int cifs_fscache_register(void) { return 0; } static inline void cifs_fscache_unregister(void) {} @@ -131,6 +139,11 @@ static inline int cifs_readpages_from_fscache(struct inode *inode, static inline void cifs_readpage_to_fscache(struct inode *inode, struct page *page) {} +static inline void cifs_fscache_readpages_cancel(struct inode *inode, + struct list_head *pages) +{ +} + #endif /* CONFIG_CIFS_FSCACHE */ #endif /* _CIFS_FSCACHE_H */ diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index f9ff9c173f7..867b7cdc794 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -120,6 +120,33 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr) cifs_i->invalid_mapping = true; } +/* + * copy nlink to the inode, unless it wasn't provided. Provide + * sane values if we don't have an existing one and none was provided + */ +static void +cifs_nlink_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) +{ + /* + * if we're in a situation where we can't trust what we + * got from the server (readdir, some non-unix cases) + * fake reasonable values + */ + if (fattr->cf_flags & CIFS_FATTR_UNKNOWN_NLINK) { + /* only provide fake values on a new inode */ + if (inode->i_state & I_NEW) { + if (fattr->cf_cifsattrs & ATTR_DIRECTORY) + set_nlink(inode, 2); + else + set_nlink(inode, 1); + } + return; + } + + /* we trust the server, so update it */ + set_nlink(inode, fattr->cf_nlink); +} + /* populate an inode with info from a cifs_fattr struct */ void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) @@ -134,7 +161,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) inode->i_mtime = fattr->cf_mtime; inode->i_ctime = fattr->cf_ctime; inode->i_rdev = fattr->cf_rdev; - set_nlink(inode, fattr->cf_nlink); + cifs_nlink_fattr_to_inode(inode, fattr); inode->i_uid = fattr->cf_uid; inode->i_gid = fattr->cf_gid; @@ -541,6 +568,7 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, fattr->cf_bytes = le64_to_cpu(info->AllocationSize); fattr->cf_createtime = le64_to_cpu(info->CreationTime); + fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks); if (fattr->cf_cifsattrs & ATTR_DIRECTORY) { fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode; fattr->cf_dtype = DT_DIR; @@ -548,7 +576,8 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, * Server can return wrong NumberOfLinks value for directories * when Unix extensions are disabled - fake it. */ - fattr->cf_nlink = 2; + if (!tcon->unix_ext) + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; } else if (fattr->cf_cifsattrs & ATTR_REPARSE) { fattr->cf_mode = S_IFLNK; fattr->cf_dtype = DT_LNK; @@ -561,11 +590,15 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, if (fattr->cf_cifsattrs & ATTR_READONLY) fattr->cf_mode &= ~(S_IWUGO); - fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks); - if (fattr->cf_nlink < 1) { - cifs_dbg(1, "replacing bogus file nlink value %u\n", + /* + * Don't accept zero nlink from non-unix servers unless + * delete is pending. Instead mark it as unknown. + */ + if ((fattr->cf_nlink < 1) && !tcon->unix_ext && + !info->DeletePending) { + cifs_dbg(1, "bogus file nlink value %u\n", fattr->cf_nlink); - fattr->cf_nlink = 1; + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; } } diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 42ef03be089..53a75f3d017 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -180,6 +180,9 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) fattr->cf_dtype = DT_REG; } + /* non-unix readdir doesn't provide nlink */ + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; + if (fattr->cf_cifsattrs & ATTR_READONLY) fattr->cf_mode &= ~S_IWUGO; diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 5f99b7f19e7..352358de1d7 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -32,88 +32,6 @@ #include <linux/slab.h> #include "cifs_spnego.h" -/* - * Checks if this is the first smb session to be reconnected after - * the socket has been reestablished (so we know whether to use vc 0). - * Called while holding the cifs_tcp_ses_lock, so do not block - */ -static bool is_first_ses_reconnect(struct cifs_ses *ses) -{ - struct list_head *tmp; - struct cifs_ses *tmp_ses; - - list_for_each(tmp, &ses->server->smb_ses_list) { - tmp_ses = list_entry(tmp, struct cifs_ses, - smb_ses_list); - if (tmp_ses->need_reconnect == false) - return false; - } - /* could not find a session that was already connected, - this must be the first one we are reconnecting */ - return true; -} - -/* - * vc number 0 is treated specially by some servers, and should be the - * first one we request. After that we can use vcnumbers up to maxvcs, - * one for each smb session (some Windows versions set maxvcs incorrectly - * so maxvc=1 can be ignored). If we have too many vcs, we can reuse - * any vc but zero (some servers reset the connection on vcnum zero) - * - */ -static __le16 get_next_vcnum(struct cifs_ses *ses) -{ - __u16 vcnum = 0; - struct list_head *tmp; - struct cifs_ses *tmp_ses; - __u16 max_vcs = ses->server->max_vcs; - __u16 i; - int free_vc_found = 0; - - /* Quoting the MS-SMB specification: "Windows-based SMB servers set this - field to one but do not enforce this limit, which allows an SMB client - to establish more virtual circuits than allowed by this value ... but - other server implementations can enforce this limit." */ - if (max_vcs < 2) - max_vcs = 0xFFFF; - - spin_lock(&cifs_tcp_ses_lock); - if ((ses->need_reconnect) && is_first_ses_reconnect(ses)) - goto get_vc_num_exit; /* vcnum will be zero */ - for (i = ses->server->srv_count - 1; i < max_vcs; i++) { - if (i == 0) /* this is the only connection, use vc 0 */ - break; - - free_vc_found = 1; - - list_for_each(tmp, &ses->server->smb_ses_list) { - tmp_ses = list_entry(tmp, struct cifs_ses, - smb_ses_list); - if (tmp_ses->vcnum == i) { - free_vc_found = 0; - break; /* found duplicate, try next vcnum */ - } - } - if (free_vc_found) - break; /* we found a vcnumber that will work - use it */ - } - - if (i == 0) - vcnum = 0; /* for most common case, ie if one smb session, use - vc zero. Also for case when no free vcnum, zero - is safest to send (some clients only send zero) */ - else if (free_vc_found == 0) - vcnum = 1; /* we can not reuse vc=0 safely, since some servers - reset all uids on that, but 1 is ok. */ - else - vcnum = i; - ses->vcnum = vcnum; -get_vc_num_exit: - spin_unlock(&cifs_tcp_ses_lock); - - return cpu_to_le16(vcnum); -} - static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB) { __u32 capabilities = 0; @@ -128,7 +46,7 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4, USHRT_MAX)); pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - pSMB->req.VcNumber = get_next_vcnum(ses); + pSMB->req.VcNumber = __constant_cpu_to_le16(1); /* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */ diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 62b43b577bf..b7989f2ab4c 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -182,6 +182,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) struct inode *inode; struct dentry *parent; struct fuse_conn *fc; + struct fuse_inode *fi; int ret; inode = ACCESS_ONCE(entry->d_inode); @@ -228,7 +229,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) if (!err && !outarg.nodeid) err = -ENOENT; if (!err) { - struct fuse_inode *fi = get_fuse_inode(inode); + fi = get_fuse_inode(inode); if (outarg.nodeid != get_node_id(inode)) { fuse_queue_forget(fc, forget, outarg.nodeid, 1); goto invalid; @@ -246,8 +247,11 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) attr_version); fuse_change_entry_timeout(entry, &outarg); } else if (inode) { - fc = get_fuse_conn(inode); - if (fc->readdirplus_auto) { + fi = get_fuse_inode(inode); + if (flags & LOOKUP_RCU) { + if (test_bit(FUSE_I_INIT_RDPLUS, &fi->state)) + return -ECHILD; + } else if (test_and_clear_bit(FUSE_I_INIT_RDPLUS, &fi->state)) { parent = dget_parent(entry); fuse_advise_use_readdirplus(parent->d_inode); dput(parent); @@ -259,7 +263,8 @@ out: invalid: ret = 0; - if (check_submounts_and_drop(entry) != 0) + + if (!(flags & LOOKUP_RCU) && check_submounts_and_drop(entry) != 0) ret = 1; goto out; } @@ -1063,6 +1068,8 @@ static int fuse_access(struct inode *inode, int mask) struct fuse_access_in inarg; int err; + BUG_ON(mask & MAY_NOT_BLOCK); + if (fc->no_access) return 0; @@ -1150,9 +1157,6 @@ static int fuse_permission(struct inode *inode, int mask) noticed immediately, only after the attribute timeout has expired */ } else if (mask & (MAY_ACCESS | MAY_CHDIR)) { - if (mask & MAY_NOT_BLOCK) - return -ECHILD; - err = fuse_access(inode, mask); } else if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode)) { if (!(inode->i_mode & S_IXUGO)) { @@ -1291,6 +1295,8 @@ static int fuse_direntplus_link(struct file *file, } found: + if (fc->readdirplus_auto) + set_bit(FUSE_I_INIT_RDPLUS, &get_fuse_inode(inode)->state); fuse_change_entry_timeout(dentry, o); err = 0; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d409deafc67..4598345ab87 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2467,6 +2467,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, { struct fuse_file *ff = file->private_data; struct inode *inode = file->f_inode; + struct fuse_inode *fi = get_fuse_inode(inode); struct fuse_conn *fc = ff->fc; struct fuse_req *req; struct fuse_fallocate_in inarg = { @@ -2484,10 +2485,20 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, if (lock_inode) { mutex_lock(&inode->i_mutex); - if (mode & FALLOC_FL_PUNCH_HOLE) - fuse_set_nowrite(inode); + if (mode & FALLOC_FL_PUNCH_HOLE) { + loff_t endbyte = offset + length - 1; + err = filemap_write_and_wait_range(inode->i_mapping, + offset, endbyte); + if (err) + goto out; + + fuse_sync_writes(inode); + } } + if (!(mode & FALLOC_FL_KEEP_SIZE)) + set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); + req = fuse_get_req_nopages(fc); if (IS_ERR(req)) { err = PTR_ERR(req); @@ -2520,11 +2531,11 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, fuse_invalidate_attr(inode); out: - if (lock_inode) { - if (mode & FALLOC_FL_PUNCH_HOLE) - fuse_release_nowrite(inode); + if (!(mode & FALLOC_FL_KEEP_SIZE)) + clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); + + if (lock_inode) mutex_unlock(&inode->i_mutex); - } return err; } diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 5ced199b50b..5b9e6f3b6ae 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -115,6 +115,8 @@ struct fuse_inode { enum { /** Advise readdirplus */ FUSE_I_ADVISE_RDPLUS, + /** Initialized with readdirplus */ + FUSE_I_INIT_RDPLUS, /** An operation changing file size is in progress */ FUSE_I_SIZE_UNSTABLE, }; diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 854a8f05a61..02b0df769e2 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1458,7 +1458,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, trace_nfs_atomic_open_enter(dir, ctx, open_flags); nfs_block_sillyrename(dentry->d_parent); - inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr); + inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr, opened); nfs_unblock_sillyrename(dentry->d_parent); if (IS_ERR(inode)) { err = PTR_ERR(inode); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index e5b804dd944..77efaf15ec9 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -19,6 +19,7 @@ nfs4_file_open(struct inode *inode, struct file *filp) struct inode *dir; unsigned openflags = filp->f_flags; struct iattr attr; + int opened = 0; int err; /* @@ -55,7 +56,7 @@ nfs4_file_open(struct inode *inode, struct file *filp) nfs_wb_all(inode); } - inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr); + inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr, &opened); if (IS_ERR(inode)) { err = PTR_ERR(inode); switch (err) { diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c index 95604f64cab..c7c295e556e 100644 --- a/fs/nfs/nfs4filelayoutdev.c +++ b/fs/nfs/nfs4filelayoutdev.c @@ -185,6 +185,7 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds) if (status) goto out_put; + smp_wmb(); ds->ds_clp = clp; dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr); out: @@ -801,34 +802,35 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx) struct nfs4_file_layout_dsaddr *dsaddr = FILELAYOUT_LSEG(lseg)->dsaddr; struct nfs4_pnfs_ds *ds = dsaddr->ds_list[ds_idx]; struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg); - - if (filelayout_test_devid_unavailable(devid)) - return NULL; + struct nfs4_pnfs_ds *ret = ds; if (ds == NULL) { printk(KERN_ERR "NFS: %s: No data server for offset index %d\n", __func__, ds_idx); filelayout_mark_devid_invalid(devid); - return NULL; + goto out; } + smp_rmb(); if (ds->ds_clp) - return ds; + goto out_test_devid; if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode); int err; err = nfs4_ds_connect(s, ds); - if (err) { + if (err) nfs4_mark_deviceid_unavailable(devid); - ds = NULL; - } nfs4_clear_ds_conn_bit(ds); } else { /* Either ds is connected, or ds is NULL */ nfs4_wait_ds_connect(ds); } - return ds; +out_test_devid: + if (filelayout_test_devid_unavailable(devid)) + ret = NULL; +out: + return ret; } module_param(dataserver_retrans, uint, 0644); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 989bb9d3074..d53d6785cba 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -912,6 +912,7 @@ struct nfs4_opendata { struct iattr attrs; unsigned long timestamp; unsigned int rpc_done : 1; + unsigned int file_created : 1; unsigned int is_recover : 1; int rpc_status; int cancelled; @@ -1946,8 +1947,13 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_fattr_map_and_free_names(server, &data->f_attr); - if (o_arg->open_flags & O_CREAT) + if (o_arg->open_flags & O_CREAT) { update_changeattr(dir, &o_res->cinfo); + if (o_arg->open_flags & O_EXCL) + data->file_created = 1; + else if (o_res->cinfo.before != o_res->cinfo.after) + data->file_created = 1; + } if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) server->caps &= ~NFS_CAP_POSIX_LOCK; if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { @@ -2191,7 +2197,8 @@ static int _nfs4_do_open(struct inode *dir, struct nfs_open_context *ctx, int flags, struct iattr *sattr, - struct nfs4_label *label) + struct nfs4_label *label, + int *opened) { struct nfs4_state_owner *sp; struct nfs4_state *state = NULL; @@ -2261,6 +2268,8 @@ static int _nfs4_do_open(struct inode *dir, nfs_setsecurity(state->inode, opendata->o_res.f_attr, olabel); } } + if (opendata->file_created) + *opened |= FILE_CREATED; if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server)) *ctx_th = opendata->f_attr.mdsthreshold; @@ -2289,7 +2298,8 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct nfs_open_context *ctx, int flags, struct iattr *sattr, - struct nfs4_label *label) + struct nfs4_label *label, + int *opened) { struct nfs_server *server = NFS_SERVER(dir); struct nfs4_exception exception = { }; @@ -2297,7 +2307,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, int status; do { - status = _nfs4_do_open(dir, ctx, flags, sattr, label); + status = _nfs4_do_open(dir, ctx, flags, sattr, label, opened); res = ctx->state; trace_nfs4_open_file(ctx, flags, status); if (status == 0) @@ -2659,7 +2669,8 @@ out: } static struct inode * -nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags, struct iattr *attr) +nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, + int open_flags, struct iattr *attr, int *opened) { struct nfs4_state *state; struct nfs4_label l = {0, 0, 0, NULL}, *label = NULL; @@ -2667,7 +2678,7 @@ nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags label = nfs4_label_init_security(dir, ctx->dentry, attr, &l); /* Protect against concurrent sillydeletes */ - state = nfs4_do_open(dir, ctx, open_flags, attr, label); + state = nfs4_do_open(dir, ctx, open_flags, attr, label, opened); nfs4_label_release_security(label); @@ -3332,6 +3343,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, struct nfs4_label l, *ilabel = NULL; struct nfs_open_context *ctx; struct nfs4_state *state; + int opened = 0; int status = 0; ctx = alloc_nfs_open_context(dentry, FMODE_READ); @@ -3341,7 +3353,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, ilabel = nfs4_label_init_security(dir, dentry, sattr, &l); sattr->ia_mode &= ~current_umask(); - state = nfs4_do_open(dir, ctx, flags, sattr, ilabel); + state = nfs4_do_open(dir, ctx, flags, sattr, ilabel, &opened); if (IS_ERR(state)) { status = PTR_ERR(state); goto out; @@ -7564,8 +7576,10 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, { int err; struct page *page; - rpc_authflavor_t flavor; + rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR; struct nfs4_secinfo_flavors *flavors; + struct nfs4_secinfo4 *secinfo; + int i; page = alloc_page(GFP_KERNEL); if (!page) { @@ -7587,9 +7601,31 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, if (err) goto out_freepage; - flavor = nfs_find_best_sec(flavors); - if (err == 0) - err = nfs4_lookup_root_sec(server, fhandle, info, flavor); + for (i = 0; i < flavors->num_flavors; i++) { + secinfo = &flavors->flavors[i]; + + switch (secinfo->flavor) { + case RPC_AUTH_NULL: + case RPC_AUTH_UNIX: + case RPC_AUTH_GSS: + flavor = rpcauth_get_pseudoflavor(secinfo->flavor, + &secinfo->flavor_info); + break; + default: + flavor = RPC_AUTH_MAXFLAVOR; + break; + } + + if (flavor != RPC_AUTH_MAXFLAVOR) { + err = nfs4_lookup_root_sec(server, fhandle, + info, flavor); + if (!err) + break; + } + } + + if (flavor == RPC_AUTH_MAXFLAVOR) + err = -EPERM; out_freepage: put_page(page); diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 0ba679866e5..da276640f77 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -94,6 +94,7 @@ void nilfs_forget_buffer(struct buffer_head *bh) clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_checked(bh); clear_buffer_nilfs_redirected(bh); + clear_buffer_async_write(bh); clear_buffer_dirty(bh); if (nilfs_page_buffers_clean(page)) __nilfs_clear_page_dirty(page); @@ -429,6 +430,7 @@ void nilfs_clear_dirty_page(struct page *page, bool silent) "discard block %llu, size %zu", (u64)bh->b_blocknr, bh->b_size); } + clear_buffer_async_write(bh); clear_buffer_dirty(bh); clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_checked(bh); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index bd88a746106..9f6b486b6c0 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -665,7 +665,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, bh = head = page_buffers(page); do { - if (!buffer_dirty(bh)) + if (!buffer_dirty(bh) || buffer_async_write(bh)) continue; get_bh(bh); list_add_tail(&bh->b_assoc_buffers, listp); @@ -699,7 +699,8 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode, for (i = 0; i < pagevec_count(&pvec); i++) { bh = head = page_buffers(pvec.pages[i]); do { - if (buffer_dirty(bh)) { + if (buffer_dirty(bh) && + !buffer_async_write(bh)) { get_bh(bh); list_add_tail(&bh->b_assoc_buffers, listp); @@ -1579,6 +1580,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) { + set_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) { lock_page(bd_page); @@ -1592,6 +1594,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) { + set_buffer_async_write(bh); if (bh == segbuf->sb_super_root) { if (bh->b_page != bd_page) { lock_page(bd_page); @@ -1677,6 +1680,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err) list_for_each_entry(segbuf, logs, sb_list) { list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) { + clear_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) end_page_writeback(bd_page); @@ -1686,6 +1690,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err) list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) { + clear_buffer_async_write(bh); if (bh == segbuf->sb_super_root) { if (bh->b_page != bd_page) { end_page_writeback(bd_page); @@ -1755,6 +1760,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) b_assoc_buffers) { set_buffer_uptodate(bh); clear_buffer_dirty(bh); + clear_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) end_page_writeback(bd_page); @@ -1776,6 +1782,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) b_assoc_buffers) { set_buffer_uptodate(bh); clear_buffer_dirty(bh); + clear_buffer_async_write(bh); clear_buffer_delay(bh); clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_redirected(bh); diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index ef999729e27..0d3a97d2d5f 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags) */ if (inode == NULL) { unsigned long gen = (unsigned long) dentry->d_fsdata; - unsigned long pgen = - OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; - + unsigned long pgen; + spin_lock(&dentry->d_lock); + pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; + spin_unlock(&dentry->d_lock); trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len, dentry->d_name.name, pgen, gen); diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 121da2dc3be..d4e81e4a9b0 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1924,7 +1924,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err) { int tmp, hangup_needed = 0; struct ocfs2_super *osb = NULL; - char nodestr[8]; + char nodestr[12]; trace_ocfs2_dismount_volume(sb); diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 73feacc49b2..fd777032c2b 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1163,21 +1163,6 @@ static struct reiserfs_journal_list *find_newer_jl_for_cn(struct return NULL; } -static int newer_jl_done(struct reiserfs_journal_cnode *cn) -{ - struct super_block *sb = cn->sb; - b_blocknr_t blocknr = cn->blocknr; - - cn = cn->hprev; - while (cn) { - if (cn->sb == sb && cn->blocknr == blocknr && cn->jlist && - atomic_read(&cn->jlist->j_commit_left) != 0) - return 0; - cn = cn->hprev; - } - return 1; -} - static void remove_journal_hash(struct super_block *, struct reiserfs_journal_cnode **, struct reiserfs_journal_list *, unsigned long, @@ -1353,7 +1338,6 @@ static int flush_journal_list(struct super_block *s, reiserfs_warning(s, "clm-2048", "called with wcount %d", atomic_read(&journal->j_wcount)); } - BUG_ON(jl->j_trans_id == 0); /* if flushall == 0, the lock is already held */ if (flushall) { @@ -1593,31 +1577,6 @@ static int flush_journal_list(struct super_block *s, return err; } -static int test_transaction(struct super_block *s, - struct reiserfs_journal_list *jl) -{ - struct reiserfs_journal_cnode *cn; - - if (jl->j_len == 0 || atomic_read(&jl->j_nonzerolen) == 0) - return 1; - - cn = jl->j_realblock; - while (cn) { - /* if the blocknr == 0, this has been cleared from the hash, - ** skip it - */ - if (cn->blocknr == 0) { - goto next; - } - if (cn->bh && !newer_jl_done(cn)) - return 0; - next: - cn = cn->next; - cond_resched(); - } - return 0; -} - static int write_one_transaction(struct super_block *s, struct reiserfs_journal_list *jl, struct buffer_chunk *chunk) @@ -1805,6 +1764,8 @@ static int flush_used_journal_lists(struct super_block *s, break; tjl = JOURNAL_LIST_ENTRY(tjl->j_list.next); } + get_journal_list(jl); + get_journal_list(flush_jl); /* try to find a group of blocks we can flush across all the ** transactions, but only bother if we've actually spanned ** across multiple lists @@ -1813,6 +1774,8 @@ static int flush_used_journal_lists(struct super_block *s, ret = kupdate_transactions(s, jl, &tjl, &trans_id, len, i); } flush_journal_list(s, flush_jl, 1); + put_journal_list(s, flush_jl); + put_journal_list(s, jl); return 0; } @@ -3868,27 +3831,6 @@ int reiserfs_prepare_for_journal(struct super_block *sb, return 1; } -static void flush_old_journal_lists(struct super_block *s) -{ - struct reiserfs_journal *journal = SB_JOURNAL(s); - struct reiserfs_journal_list *jl; - struct list_head *entry; - time_t now = get_seconds(); - - while (!list_empty(&journal->j_journal_list)) { - entry = journal->j_journal_list.next; - jl = JOURNAL_LIST_ENTRY(entry); - /* this check should always be run, to send old lists to disk */ - if (jl->j_timestamp < (now - (JOURNAL_MAX_TRANS_AGE * 4)) && - atomic_read(&jl->j_commit_left) == 0 && - test_transaction(s, jl)) { - flush_used_journal_lists(s, jl); - } else { - break; - } - } -} - /* ** long and ugly. If flush, will not return until all commit ** blocks and all real buffers in the trans are on disk. @@ -4232,7 +4174,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, } } } - flush_old_journal_lists(sb); journal->j_current_jl->j_list_bitmap = get_list_bitmap(sb, journal->j_current_jl); diff --git a/fs/super.c b/fs/super.c index 3a96c9783a8..0225c20f877 100644 --- a/fs/super.c +++ b/fs/super.c @@ -264,6 +264,8 @@ out_free_sb: */ static inline void destroy_super(struct super_block *s) { + list_lru_destroy(&s->s_dentry_lru); + list_lru_destroy(&s->s_inode_lru); #ifdef CONFIG_SMP free_percpu(s->s_files); #endif @@ -323,8 +325,6 @@ void deactivate_locked_super(struct super_block *s) /* caches are now gone, we can safely kill the shrinker now */ unregister_shrinker(&s->s_shrink); - list_lru_destroy(&s->s_dentry_lru); - list_lru_destroy(&s->s_inode_lru); put_filesystem(fs); put_super(s); diff --git a/fs/sysv/super.c b/fs/sysv/super.c index d0c6a007ce8..eda10959714 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent) sbi->s_sb = sb; sbi->s_block_base = 0; sbi->s_type = FSTYPE_V7; + mutex_init(&sbi->s_lock); sb->s_fs_info = sbi; sb_set_blocksize(sb, 512); diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 7e5aae4bf46..6eaf5edf1ea 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -30,18 +30,17 @@ void udf_free_inode(struct inode *inode) { struct super_block *sb = inode->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); + struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb); - mutex_lock(&sbi->s_alloc_mutex); - if (sbi->s_lvid_bh) { - struct logicalVolIntegrityDescImpUse *lvidiu = - udf_sb_lvidiu(sbi); + if (lvidiu) { + mutex_lock(&sbi->s_alloc_mutex); if (S_ISDIR(inode->i_mode)) le32_add_cpu(&lvidiu->numDirs, -1); else le32_add_cpu(&lvidiu->numFiles, -1); udf_updated_lvid(sb); + mutex_unlock(&sbi->s_alloc_mutex); } - mutex_unlock(&sbi->s_alloc_mutex); udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1); } @@ -55,6 +54,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) uint32_t start = UDF_I(dir)->i_location.logicalBlockNum; struct udf_inode_info *iinfo; struct udf_inode_info *dinfo = UDF_I(dir); + struct logicalVolIntegrityDescImpUse *lvidiu; inode = new_inode(sb); @@ -92,12 +92,10 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) return NULL; } - if (sbi->s_lvid_bh) { - struct logicalVolIntegrityDescImpUse *lvidiu; - + lvidiu = udf_sb_lvidiu(sb); + if (lvidiu) { iinfo->i_unique = lvid_get_unique_id(sb); mutex_lock(&sbi->s_alloc_mutex); - lvidiu = udf_sb_lvidiu(sbi); if (S_ISDIR(mode)) le32_add_cpu(&lvidiu->numDirs, 1); else diff --git a/fs/udf/super.c b/fs/udf/super.c index 839a2bad7f4..91219385691 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -94,13 +94,25 @@ static unsigned int udf_count_free(struct super_block *); static int udf_statfs(struct dentry *, struct kstatfs *); static int udf_show_options(struct seq_file *, struct dentry *); -struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi) +struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb) { - struct logicalVolIntegrityDesc *lvid = - (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data; - __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions); - __u32 offset = number_of_partitions * 2 * - sizeof(uint32_t)/sizeof(uint8_t); + struct logicalVolIntegrityDesc *lvid; + unsigned int partnum; + unsigned int offset; + + if (!UDF_SB(sb)->s_lvid_bh) + return NULL; + lvid = (struct logicalVolIntegrityDesc *)UDF_SB(sb)->s_lvid_bh->b_data; + partnum = le32_to_cpu(lvid->numOfPartitions); + if ((sb->s_blocksize - sizeof(struct logicalVolIntegrityDescImpUse) - + offsetof(struct logicalVolIntegrityDesc, impUse)) / + (2 * sizeof(uint32_t)) < partnum) { + udf_err(sb, "Logical volume integrity descriptor corrupted " + "(numOfPartitions = %u)!\n", partnum); + return NULL; + } + /* The offset is to skip freeSpaceTable and sizeTable arrays */ + offset = partnum * 2 * sizeof(uint32_t); return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]); } @@ -629,9 +641,10 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) struct udf_options uopt; struct udf_sb_info *sbi = UDF_SB(sb); int error = 0; + struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb); - if (sbi->s_lvid_bh) { - int write_rev = le16_to_cpu(udf_sb_lvidiu(sbi)->minUDFWriteRev); + if (lvidiu) { + int write_rev = le16_to_cpu(lvidiu->minUDFWriteRev); if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & MS_RDONLY)) return -EACCES; } @@ -1905,11 +1918,12 @@ static void udf_open_lvid(struct super_block *sb) if (!bh) return; - - mutex_lock(&sbi->s_alloc_mutex); lvid = (struct logicalVolIntegrityDesc *)bh->b_data; - lvidiu = udf_sb_lvidiu(sbi); + lvidiu = udf_sb_lvidiu(sb); + if (!lvidiu) + return; + mutex_lock(&sbi->s_alloc_mutex); lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; udf_time_to_disk_stamp(&lvid->recordingDateAndTime, @@ -1937,10 +1951,12 @@ static void udf_close_lvid(struct super_block *sb) if (!bh) return; + lvid = (struct logicalVolIntegrityDesc *)bh->b_data; + lvidiu = udf_sb_lvidiu(sb); + if (!lvidiu) + return; mutex_lock(&sbi->s_alloc_mutex); - lvid = (struct logicalVolIntegrityDesc *)bh->b_data; - lvidiu = udf_sb_lvidiu(sbi); lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; udf_time_to_disk_stamp(&lvid->recordingDateAndTime, CURRENT_TIME); @@ -2093,15 +2109,19 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (sbi->s_lvid_bh) { struct logicalVolIntegrityDescImpUse *lvidiu = - udf_sb_lvidiu(sbi); - uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); - uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); - /* uint16_t maxUDFWriteRev = - le16_to_cpu(lvidiu->maxUDFWriteRev); */ + udf_sb_lvidiu(sb); + uint16_t minUDFReadRev; + uint16_t minUDFWriteRev; + if (!lvidiu) { + ret = -EINVAL; + goto error_out; + } + minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev); + minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev); if (minUDFReadRev > UDF_MAX_READ_VERSION) { udf_err(sb, "minUDFReadRev=%x (max is %x)\n", - le16_to_cpu(lvidiu->minUDFReadRev), + minUDFReadRev, UDF_MAX_READ_VERSION); ret = -EINVAL; goto error_out; @@ -2265,11 +2285,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf) struct logicalVolIntegrityDescImpUse *lvidiu; u64 id = huge_encode_dev(sb->s_bdev->bd_dev); - if (sbi->s_lvid_bh != NULL) - lvidiu = udf_sb_lvidiu(sbi); - else - lvidiu = NULL; - + lvidiu = udf_sb_lvidiu(sb); buf->f_type = UDF_SUPER_MAGIC; buf->f_bsize = sb->s_blocksize; buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len; diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index ed401e94aa8..1f32c7bd9f5 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -162,7 +162,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) return sb->s_fs_info; } -struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi); +struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb); int udf_compute_nr_groups(struct super_block *sb, u32 partition); diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 88c5ea75ebf..f1d85cfc0a5 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -628,6 +628,7 @@ xfs_buf_item_unlock( else if (aborted) { ASSERT(XFS_FORCED_SHUTDOWN(lip->li_mountp)); if (lip->li_flags & XFS_LI_IN_AIL) { + spin_lock(&lip->li_ailp->xa_lock); xfs_trans_ail_delete(lip->li_ailp, lip, SHUTDOWN_LOG_IO_ERROR); } diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 069537c845e..20bf8e8002d 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -1224,6 +1224,7 @@ xfs_da3_node_toosmall( /* start with smaller blk num */ forward = nodehdr.forw < nodehdr.back; for (i = 0; i < 2; forward = !forward, i++) { + struct xfs_da3_icnode_hdr thdr; if (forward) blkno = nodehdr.forw; else @@ -1236,10 +1237,10 @@ xfs_da3_node_toosmall( return(error); node = bp->b_addr; - xfs_da3_node_hdr_from_disk(&nodehdr, node); + xfs_da3_node_hdr_from_disk(&thdr, node); xfs_trans_brelse(state->args->trans, bp); - if (count - nodehdr.count >= 0) + if (count - thdr.count >= 0) break; /* fits with at least 25% to spare */ } if (i >= 2) { diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 0957aa98b6c..12dad188939 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -1158,7 +1158,7 @@ xfs_dir2_sf_to_block( /* * Create entry for . */ - dep = xfs_dir3_data_dot_entry_p(hdr); + dep = xfs_dir3_data_dot_entry_p(mp, hdr); dep->inumber = cpu_to_be64(dp->i_ino); dep->namelen = 1; dep->name[0] = '.'; @@ -1172,7 +1172,7 @@ xfs_dir2_sf_to_block( /* * Create entry for .. */ - dep = xfs_dir3_data_dotdot_entry_p(hdr); + dep = xfs_dir3_data_dotdot_entry_p(mp, hdr); dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp)); dep->namelen = 2; dep->name[0] = dep->name[1] = '.'; @@ -1183,7 +1183,7 @@ xfs_dir2_sf_to_block( blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot); blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, (char *)dep - (char *)hdr)); - offset = xfs_dir3_data_first_offset(hdr); + offset = xfs_dir3_data_first_offset(mp); /* * Loop over existing entries, stuff them in. */ diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h index a0961a61ac1..9cf67381adf 100644 --- a/fs/xfs/xfs_dir2_format.h +++ b/fs/xfs/xfs_dir2_format.h @@ -497,69 +497,58 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr) /* * Offsets of . and .. in data space (always block 0) * - * The macros are used for shortform directories as they have no headers to read - * the magic number out of. Shortform directories need to know the size of the - * data block header because the sfe embeds the block offset of the entry into - * it so that it doesn't change when format conversion occurs. Bad Things Happen - * if we don't follow this rule. - * * XXX: there is scope for significant optimisation of the logic here. Right * now we are checking for "dir3 format" over and over again. Ideally we should * only do it once for each operation. */ -#define XFS_DIR3_DATA_DOT_OFFSET(mp) \ - xfs_dir3_data_hdr_size(xfs_sb_version_hascrc(&(mp)->m_sb)) -#define XFS_DIR3_DATA_DOTDOT_OFFSET(mp) \ - (XFS_DIR3_DATA_DOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 1)) -#define XFS_DIR3_DATA_FIRST_OFFSET(mp) \ - (XFS_DIR3_DATA_DOTDOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 2)) - static inline xfs_dir2_data_aoff_t -xfs_dir3_data_dot_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dot_offset(struct xfs_mount *mp) { - return xfs_dir3_data_entry_offset(hdr); + return xfs_dir3_data_hdr_size(xfs_sb_version_hascrc(&mp->m_sb)); } static inline xfs_dir2_data_aoff_t -xfs_dir3_data_dotdot_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dotdot_offset(struct xfs_mount *mp) { - bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || - hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); - return xfs_dir3_data_dot_offset(hdr) + - __xfs_dir3_data_entsize(dir3, 1); + return xfs_dir3_data_dot_offset(mp) + + xfs_dir3_data_entsize(mp, 1); } static inline xfs_dir2_data_aoff_t -xfs_dir3_data_first_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_first_offset(struct xfs_mount *mp) { - bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || - hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); - return xfs_dir3_data_dotdot_offset(hdr) + - __xfs_dir3_data_entsize(dir3, 2); + return xfs_dir3_data_dotdot_offset(mp) + + xfs_dir3_data_entsize(mp, 2); } /* * location of . and .. in data space (always block 0) */ static inline struct xfs_dir2_data_entry * -xfs_dir3_data_dot_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dot_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_dot_offset(hdr)); + ((char *)hdr + xfs_dir3_data_dot_offset(mp)); } static inline struct xfs_dir2_data_entry * -xfs_dir3_data_dotdot_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dotdot_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_dotdot_offset(hdr)); + ((char *)hdr + xfs_dir3_data_dotdot_offset(mp)); } static inline struct xfs_dir2_data_entry * -xfs_dir3_data_first_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_first_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_first_offset(hdr)); + ((char *)hdr + xfs_dir3_data_first_offset(mp)); } /* diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 8993ec17452..8f84153e98a 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -119,9 +119,9 @@ xfs_dir2_sf_getdents( * mp->m_dirdatablk. */ dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR3_DATA_DOT_OFFSET(mp)); + xfs_dir3_data_dot_offset(mp)); dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR3_DATA_DOTDOT_OFFSET(mp)); + xfs_dir3_data_dotdot_offset(mp)); /* * Put . entry unless we're starting past it. diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index bb6e2848f47..3ef6d402084 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -557,7 +557,7 @@ xfs_dir2_sf_addname_hard( * to insert the new entry. * If it's going to end up at the end then oldsfep will point there. */ - for (offset = XFS_DIR3_DATA_FIRST_OFFSET(mp), + for (offset = xfs_dir3_data_first_offset(mp), oldsfep = xfs_dir2_sf_firstentry(oldsfp), add_datasize = xfs_dir3_data_entsize(mp, args->namelen), eof = (char *)oldsfep == &buf[old_isize]; @@ -640,7 +640,7 @@ xfs_dir2_sf_addname_pick( sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; size = xfs_dir3_data_entsize(mp, args->namelen); - offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); + offset = xfs_dir3_data_first_offset(mp); sfep = xfs_dir2_sf_firstentry(sfp); holefit = 0; /* @@ -713,7 +713,7 @@ xfs_dir2_sf_check( mp = dp->i_mount; sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); + offset = xfs_dir3_data_first_offset(mp); ino = xfs_dir2_sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 71520e6e5d6..1ee776d477c 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -64,7 +64,8 @@ int xfs_dqerror_mod = 33; struct kmem_zone *xfs_qm_dqtrxzone; static struct kmem_zone *xfs_qm_dqzone; -static struct lock_class_key xfs_dquot_other_class; +static struct lock_class_key xfs_dquot_group_class; +static struct lock_class_key xfs_dquot_project_class; /* * This is called to free all the memory associated with a dquot @@ -703,8 +704,20 @@ xfs_qm_dqread( * Make sure group quotas have a different lock class than user * quotas. */ - if (!(type & XFS_DQ_USER)) - lockdep_set_class(&dqp->q_qlock, &xfs_dquot_other_class); + switch (type) { + case XFS_DQ_USER: + /* uses the default lock class */ + break; + case XFS_DQ_GROUP: + lockdep_set_class(&dqp->q_qlock, &xfs_dquot_group_class); + break; + case XFS_DQ_PROJ: + lockdep_set_class(&dqp->q_qlock, &xfs_dquot_project_class); + break; + default: + ASSERT(0); + break; + } XFS_STATS_INC(xs_qm_dquot); diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index 1edb5cc3e5f..18272c766a5 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -515,7 +515,7 @@ typedef struct xfs_swapext /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) -#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_eofblocks) +#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) /* * ioctl commands that replace IRIX syssgi()'s diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 193206ba435..474807a401c 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -119,11 +119,6 @@ xfs_inode_free( ip->i_itemp = NULL; } - /* asserts to verify all state is correct here */ - ASSERT(atomic_read(&ip->i_pincount) == 0); - ASSERT(!spin_is_locked(&ip->i_flags_lock)); - ASSERT(!xfs_isiflocked(ip)); - /* * Because we use RCU freeing we need to ensure the inode always * appears to be reclaimed with an invalid inode number when in the @@ -135,6 +130,10 @@ xfs_inode_free( ip->i_ino = 0; spin_unlock(&ip->i_flags_lock); + /* asserts to verify all state is correct here */ + ASSERT(atomic_read(&ip->i_pincount) == 0); + ASSERT(!xfs_isiflocked(ip)); + call_rcu(&VFS_I(ip)->i_rcu, xfs_inode_free_callback); } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index dabda9521b4..39797490a1f 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1585,6 +1585,7 @@ xlog_recover_add_to_trans( "bad number of regions (%d) in inode log format", in_f->ilf_size); ASSERT(0); + kmem_free(ptr); return XFS_ERROR(EIO); } @@ -1970,6 +1971,13 @@ xlog_recover_do_inode_buffer( * magic number. If we don't recognise the magic number in the buffer, then * return a LSN of -1 so that the caller knows it was an unrecognised block and * so can recover the buffer. + * + * Note: we cannot rely solely on magic number matches to determine that the + * buffer has a valid LSN - we also need to verify that it belongs to this + * filesystem, so we need to extract the object's LSN and compare it to that + * which we read from the superblock. If the UUIDs don't match, then we've got a + * stale metadata block from an old filesystem instance that we need to recover + * over the top of. */ static xfs_lsn_t xlog_recover_get_buf_lsn( @@ -1980,6 +1988,8 @@ xlog_recover_get_buf_lsn( __uint16_t magic16; __uint16_t magicda; void *blk = bp->b_addr; + uuid_t *uuid; + xfs_lsn_t lsn = -1; /* v4 filesystems always recover immediately */ if (!xfs_sb_version_hascrc(&mp->m_sb)) @@ -1992,43 +2002,79 @@ xlog_recover_get_buf_lsn( case XFS_ABTB_MAGIC: case XFS_ABTC_MAGIC: case XFS_IBT_CRC_MAGIC: - case XFS_IBT_MAGIC: - return be64_to_cpu( - ((struct xfs_btree_block *)blk)->bb_u.s.bb_lsn); + case XFS_IBT_MAGIC: { + struct xfs_btree_block *btb = blk; + + lsn = be64_to_cpu(btb->bb_u.s.bb_lsn); + uuid = &btb->bb_u.s.bb_uuid; + break; + } case XFS_BMAP_CRC_MAGIC: - case XFS_BMAP_MAGIC: - return be64_to_cpu( - ((struct xfs_btree_block *)blk)->bb_u.l.bb_lsn); + case XFS_BMAP_MAGIC: { + struct xfs_btree_block *btb = blk; + + lsn = be64_to_cpu(btb->bb_u.l.bb_lsn); + uuid = &btb->bb_u.l.bb_uuid; + break; + } case XFS_AGF_MAGIC: - return be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn); + lsn = be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn); + uuid = &((struct xfs_agf *)blk)->agf_uuid; + break; case XFS_AGFL_MAGIC: - return be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn); + lsn = be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn); + uuid = &((struct xfs_agfl *)blk)->agfl_uuid; + break; case XFS_AGI_MAGIC: - return be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn); + lsn = be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn); + uuid = &((struct xfs_agi *)blk)->agi_uuid; + break; case XFS_SYMLINK_MAGIC: - return be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn); + lsn = be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn); + uuid = &((struct xfs_dsymlink_hdr *)blk)->sl_uuid; + break; case XFS_DIR3_BLOCK_MAGIC: case XFS_DIR3_DATA_MAGIC: case XFS_DIR3_FREE_MAGIC: - return be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn); + lsn = be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn); + uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid; + break; case XFS_ATTR3_RMT_MAGIC: - return be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn); + lsn = be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn); + uuid = &((struct xfs_attr3_rmt_hdr *)blk)->rm_uuid; + break; case XFS_SB_MAGIC: - return be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn); + lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn); + uuid = &((struct xfs_dsb *)blk)->sb_uuid; + break; default: break; } + if (lsn != (xfs_lsn_t)-1) { + if (!uuid_equal(&mp->m_sb.sb_uuid, uuid)) + goto recover_immediately; + return lsn; + } + magicda = be16_to_cpu(((struct xfs_da_blkinfo *)blk)->magic); switch (magicda) { case XFS_DIR3_LEAF1_MAGIC: case XFS_DIR3_LEAFN_MAGIC: case XFS_DA3_NODE_MAGIC: - return be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn); + lsn = be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn); + uuid = &((struct xfs_da3_blkinfo *)blk)->uuid; + break; default: break; } + if (lsn != (xfs_lsn_t)-1) { + if (!uuid_equal(&mp->m_sb.sb_uuid, uuid)) + goto recover_immediately; + return lsn; + } + /* * We do individual object checks on dquot and inode buffers as they * have their own individual LSN records. Also, we could have a stale diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h index d06079c774a..99b490b4d05 100644 --- a/include/asm-generic/hugetlb.h +++ b/include/asm-generic/hugetlb.h @@ -6,12 +6,12 @@ static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot) return mk_pte(page, pgprot); } -static inline int huge_pte_write(pte_t pte) +static inline unsigned long huge_pte_write(pte_t pte) { return pte_write(pte); } -static inline int huge_pte_dirty(pte_t pte) +static inline unsigned long huge_pte_dirty(pte_t pte) { return pte_dirty(pte); } diff --git a/include/asm-generic/vtime.h b/include/asm-generic/vtime.h index e69de29bb2d..b1a49677fe2 100644 --- a/include/asm-generic/vtime.h +++ b/include/asm-generic/vtime.h @@ -0,0 +1 @@ +/* no content, but patch(1) dislikes empty files */ diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index f7f1d7169b1..089743ade73 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -159,6 +159,26 @@ static inline bool balloon_page_movable(struct page *page) } /* + * isolated_balloon_page - identify an isolated balloon page on private + * compaction/migration page lists. + * + * After a compaction thread isolates a balloon page for migration, it raises + * the page refcount to prevent concurrent compaction threads from re-isolating + * the same page. For that reason putback_movable_pages(), or other routines + * that need to identify isolated balloon pages on private pagelists, cannot + * rely on balloon_page_movable() to accomplish the task. + */ +static inline bool isolated_balloon_page(struct page *page) +{ + /* Already isolated balloon pages, by default, have a raised refcount */ + if (page_flags_cleared(page) && !page_mapped(page) && + page_count(page) >= 2) + return __is_movable_balloon_page(page); + + return false; +} + +/* * balloon_page_insert - insert a page into the balloon's page list and make * the page->mapping assignment accordingly. * @page : page to be assigned as a 'balloon page' @@ -243,6 +263,11 @@ static inline bool balloon_page_movable(struct page *page) return false; } +static inline bool isolated_balloon_page(struct page *page) +{ + return false; +} + static inline bool balloon_page_isolate(struct page *page) { return false; diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h index d66033f418c..0333e605ea0 100644 --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -242,6 +242,7 @@ extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable); extern void bcma_core_pci_up(struct bcma_bus *bus); extern void bcma_core_pci_down(struct bcma_bus *bus); +extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up); extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 653073de09e..ed419c62dde 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -406,13 +406,14 @@ int dm_noflush_suspending(struct dm_target *ti); union map_info *dm_get_mapinfo(struct bio *bio); union map_info *dm_get_rq_mapinfo(struct request *rq); +struct queue_limits *dm_get_queue_limits(struct mapped_device *md); + /* * Geometry functions. */ int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo); int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo); - /*----------------------------------------------------------------- * Functions for manipulating device-mapper tables. *---------------------------------------------------------------*/ diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index a3b8b2e2d24..d98503bde7e 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -30,10 +30,13 @@ /* * Framework version for util services. */ +#define UTIL_FW_MINOR 0 + +#define UTIL_WS2K8_FW_MAJOR 1 +#define UTIL_WS2K8_FW_VERSION (UTIL_WS2K8_FW_MAJOR << 16 | UTIL_FW_MINOR) #define UTIL_FW_MAJOR 3 -#define UTIL_FW_MINOR 0 -#define UTIL_FW_MAJOR_MINOR (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR) +#define UTIL_FW_VERSION (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR) /* diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 78e2ada50cd..d380c5e6800 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -55,7 +55,7 @@ #define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ #define DMAR_IQ_SHIFT 4 /* Invalidation queue head/tail shift */ #define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ -#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ +#define DMAR_ICS_REG 0x9c /* Invalidation complete status register */ #define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */ #define OFFSET_STRIDE (9) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 482ad2d84a3..672ddc4de4a 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte) return buf; } +extern const char hex_asc_upper[]; +#define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)] +#define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4] + +static inline char *hex_byte_pack_upper(char *buf, u8 byte) +{ + *buf++ = hex_asc_upper_hi(byte); + *buf++ = hex_asc_upper_lo(byte); + return buf; +} + static inline char * __deprecated pack_hex_byte(char *buf, u8 byte) { return hex_byte_pack(buf, byte); diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 60e95872da2..ecc82b37c4c 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -53,23 +53,6 @@ struct mem_cgroup_reclaim_cookie { unsigned int generation; }; -enum mem_cgroup_filter_t { - VISIT, /* visit current node */ - SKIP, /* skip the current node and continue traversal */ - SKIP_TREE, /* skip the whole subtree and continue traversal */ -}; - -/* - * mem_cgroup_filter_t predicate might instruct mem_cgroup_iter_cond how to - * iterate through the hierarchy tree. Each tree element is checked by the - * predicate before it is returned by the iterator. If a filter returns - * SKIP or SKIP_TREE then the iterator code continues traversal (with the - * next node down the hierarchy or the next node that doesn't belong under the - * memcg's subtree). - */ -typedef enum mem_cgroup_filter_t -(*mem_cgroup_iter_filter)(struct mem_cgroup *memcg, struct mem_cgroup *root); - #ifdef CONFIG_MEMCG /* * All "charge" functions with gfp_mask should use GFP_KERNEL or @@ -137,18 +120,9 @@ mem_cgroup_prepare_migration(struct page *page, struct page *newpage, extern void mem_cgroup_end_migration(struct mem_cgroup *memcg, struct page *oldpage, struct page *newpage, bool migration_ok); -struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root, - struct mem_cgroup *prev, - struct mem_cgroup_reclaim_cookie *reclaim, - mem_cgroup_iter_filter cond); - -static inline struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, - struct mem_cgroup *prev, - struct mem_cgroup_reclaim_cookie *reclaim) -{ - return mem_cgroup_iter_cond(root, prev, reclaim, NULL); -} - +struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *, + struct mem_cgroup *, + struct mem_cgroup_reclaim_cookie *); void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *); /* @@ -260,9 +234,9 @@ static inline void mem_cgroup_dec_page_stat(struct page *page, mem_cgroup_update_page_stat(page, idx, -1); } -enum mem_cgroup_filter_t -mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg, - struct mem_cgroup *root); +unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, + gfp_t gfp_mask, + unsigned long *total_scanned); void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx); static inline void mem_cgroup_count_vm_event(struct mm_struct *mm, @@ -376,15 +350,6 @@ static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg, struct page *oldpage, struct page *newpage, bool migration_ok) { } -static inline struct mem_cgroup * -mem_cgroup_iter_cond(struct mem_cgroup *root, - struct mem_cgroup *prev, - struct mem_cgroup_reclaim_cookie *reclaim, - mem_cgroup_iter_filter cond) -{ - /* first call must return non-NULL, second return NULL */ - return (struct mem_cgroup *)(unsigned long)!prev; -} static inline struct mem_cgroup * mem_cgroup_iter(struct mem_cgroup *root, @@ -471,11 +436,11 @@ static inline void mem_cgroup_dec_page_stat(struct page *page, } static inline -enum mem_cgroup_filter_t -mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg, - struct mem_cgroup *root) +unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, + gfp_t gfp_mask, + unsigned long *total_scanned) { - return VISIT; + return 0; } static inline void mem_cgroup_split_huge_fixup(struct page *head) diff --git a/include/linux/mutex.h b/include/linux/mutex.h index ccd4260834c..bab49da8a0f 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -15,8 +15,8 @@ #include <linux/spinlock_types.h> #include <linux/linkage.h> #include <linux/lockdep.h> - #include <linux/atomic.h> +#include <asm/processor.h> /* * Simple, straightforward mutexes with strict semantics: @@ -175,8 +175,8 @@ extern void mutex_unlock(struct mutex *lock); extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock); -#ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX -#define arch_mutex_cpu_relax() cpu_relax() +#ifndef arch_mutex_cpu_relax +# define arch_mutex_cpu_relax() cpu_relax() #endif #endif diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 01fd84b566f..49f52c8f442 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1455,7 +1455,8 @@ struct nfs_rpc_ops { struct inode * (*open_context) (struct inode *dir, struct nfs_open_context *ctx, int open_flags, - struct iattr *iattr); + struct iattr *iattr, + int *); int (*have_delegation)(struct inode *, fmode_t); int (*return_delegation)(struct inode *); struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index 535cecf1e02..fcd63baee5f 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -1,8 +1,6 @@ #ifndef __OF_IRQ_H #define __OF_IRQ_H -#if defined(CONFIG_OF) -struct of_irq; #include <linux/types.h> #include <linux/errno.h> #include <linux/irq.h> @@ -10,14 +8,6 @@ struct of_irq; #include <linux/ioport.h> #include <linux/of.h> -/* - * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC - * implements it differently. However, the prototype is the same for all, - * so declare it here regardless of the CONFIG_OF_IRQ setting. - */ -extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); - -#if defined(CONFIG_OF_IRQ) /** * of_irq - container for device_node/irq_specifier pair for an irq controller * @controller: pointer to interrupt controller device tree node @@ -71,11 +61,17 @@ extern int of_irq_to_resource(struct device_node *dev, int index, extern int of_irq_count(struct device_node *dev); extern int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int nr_irqs); -extern struct device_node *of_irq_find_parent(struct device_node *child); extern void of_irq_init(const struct of_device_id *matches); -#endif /* CONFIG_OF_IRQ */ +#if defined(CONFIG_OF) +/* + * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC + * implements it differently. However, the prototype is the same for all, + * so declare it here regardless of the CONFIG_OF_IRQ setting. + */ +extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); +extern struct device_node *of_irq_find_parent(struct device_node *child); #else /* !CONFIG_OF */ static inline unsigned int irq_of_parse_and_map(struct device_node *dev, diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 67e13aa5a47..9bdad43ad22 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -40,6 +40,8 @@ enum regulator_status { }; /** + * struct regulator_linear_range - specify linear voltage ranges + * * Specify a range of voltages for regulator_map_linar_range() and * regulator_list_linear_range(). * diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2ddb48d9312..c2d89335f63 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -498,7 +498,7 @@ struct sk_buff { * headers if needed */ __u8 encapsulation:1; - /* 7/9 bit hole (depending on ndisc_nodetype presence) */ + /* 6/8 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); #if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL diff --git a/include/linux/smp.h b/include/linux/smp.h index cfb7ca094b3..731f5237d5f 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -155,6 +155,12 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func, static inline void kick_all_cpus_sync(void) { } +static inline void __smp_call_function_single(int cpuid, + struct call_single_data *data, int wait) +{ + on_each_cpu(data->func, data->info, wait); +} + #endif /* !SMP */ /* diff --git a/include/linux/tegra-powergate.h b/include/linux/tegra-powergate.h index 55c29a8d501..c98cfa40695 100644 --- a/include/linux/tegra-powergate.h +++ b/include/linux/tegra-powergate.h @@ -34,8 +34,15 @@ struct clk; #define TEGRA_POWERGATE_CPU3 11 #define TEGRA_POWERGATE_CELP 12 #define TEGRA_POWERGATE_3D1 13 +#define TEGRA_POWERGATE_CPU0 14 +#define TEGRA_POWERGATE_C0NC 15 +#define TEGRA_POWERGATE_C1NC 16 +#define TEGRA_POWERGATE_DIS 18 +#define TEGRA_POWERGATE_DISB 19 +#define TEGRA_POWERGATE_XUSBA 20 +#define TEGRA_POWERGATE_XUSBB 21 +#define TEGRA_POWERGATE_XUSBC 22 -#define TEGRA_POWERGATE_CPU0 TEGRA_POWERGATE_CPU #define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D int tegra_powergate_is_powered(int id); diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 9cb2fe8ca94..e303eef94dd 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -42,6 +42,7 @@ struct usbnet { struct usb_host_endpoint *status; unsigned maxpacket; struct timer_list delay; + const char *padding_pkt; /* protocol/interface state */ struct net_device *net; diff --git a/include/net/addrconf.h b/include/net/addrconf.h index fb314de2b61..86505bfa5d2 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -67,6 +67,10 @@ int ipv6_chk_addr(struct net *net, const struct in6_addr *addr, int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr); #endif +bool ipv6_chk_custom_prefix(const struct in6_addr *addr, + const unsigned int prefix_len, + struct net_device *dev); + int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev); struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index aaeaf0938ec..15f10841e2b 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -104,6 +104,7 @@ enum { enum { HCI_SETUP, HCI_AUTO_OFF, + HCI_RFKILLED, HCI_MGMT, HCI_PAIRABLE, HCI_SERVICE_CACHE, diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index f0d70f066f3..9c4d37ec45a 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -723,8 +723,6 @@ struct ip_vs_dest_dst { struct rcu_head rcu_head; }; -/* In grace period after removing */ -#define IP_VS_DEST_STATE_REMOVING 0x01 /* * The real server destination forwarding entry * with ip address, port number, and so on. @@ -742,7 +740,7 @@ struct ip_vs_dest { atomic_t refcnt; /* reference counter */ struct ip_vs_stats stats; /* statistics */ - unsigned long state; /* state flags */ + unsigned long idle_start; /* start time, jiffies */ /* connection counters and thresholds */ atomic_t activeconns; /* active connections */ @@ -756,14 +754,13 @@ struct ip_vs_dest { struct ip_vs_dest_dst __rcu *dest_dst; /* cached dst info */ /* for virtual service */ - struct ip_vs_service *svc; /* service it belongs to */ + struct ip_vs_service __rcu *svc; /* service it belongs to */ __u16 protocol; /* which protocol (TCP/UDP) */ __be16 vport; /* virtual port number */ union nf_inet_addr vaddr; /* virtual IP address */ __u32 vfwmark; /* firewall mark of service */ struct list_head t_list; /* in dest_trash */ - struct rcu_head rcu_head; unsigned int in_rs_table:1; /* we are in rs_table */ }; @@ -1649,7 +1646,7 @@ static inline void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp) /* CONFIG_IP_VS_NFCT */ #endif -static inline unsigned int +static inline int ip_vs_dest_conn_overhead(struct ip_vs_dest *dest) { /* diff --git a/include/net/mrp.h b/include/net/mrp.h index 4fbf02aa2ec..0f7558b638a 100644 --- a/include/net/mrp.h +++ b/include/net/mrp.h @@ -112,6 +112,7 @@ struct mrp_applicant { struct mrp_application *app; struct net_device *dev; struct timer_list join_timer; + struct timer_list periodic_timer; spinlock_t lock; struct sk_buff_head queue; diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 1313456a099..9d22f08896c 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -74,6 +74,7 @@ struct net { struct hlist_head *dev_index_head; unsigned int dev_base_seq; /* protected by rtnl_mutex */ int ifindex; + unsigned int dev_unreg_count; /* core fib_rules */ struct list_head rules_ops; diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h index 806f54a290d..f572f313d6f 100644 --- a/include/net/netfilter/nf_conntrack_synproxy.h +++ b/include/net/netfilter/nf_conntrack_synproxy.h @@ -56,7 +56,7 @@ struct synproxy_options { struct tcphdr; struct xt_synproxy_info; -extern void synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, +extern bool synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, const struct tcphdr *th, struct synproxy_options *opts); extern unsigned int synproxy_options_size(const struct synproxy_options *opts); diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h index 6ca975bebd3..c2e542b27a5 100644 --- a/include/net/secure_seq.h +++ b/include/net/secure_seq.h @@ -3,7 +3,6 @@ #include <linux/types.h> -extern void net_secret_init(void); extern __u32 secure_ip_id(__be32 daddr); extern __u32 secure_ipv6_id(const __be32 daddr[4]); extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport); diff --git a/include/net/sock.h b/include/net/sock.h index 6ba2e7b0e2b..1d37a8086be 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -409,6 +409,11 @@ struct sock { void (*sk_destruct)(struct sock *sk); }; +#define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) + +#define rcu_dereference_sk_user_data(sk) rcu_dereference(__sk_user_data((sk))) +#define rcu_assign_sk_user_data(sk, ptr) rcu_assign_pointer(__sk_user_data((sk)), ptr) + /* * SK_CAN_REUSE and SK_NO_REUSE on a socket mean that the socket is OK * or not whether his port will be reused by someone else. SK_FORCE_REUSE diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index fa8b3adf9ff..46d41e8b0dc 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -1007,4 +1007,6 @@ struct drm_radeon_info { #define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA 3 #define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA 2 +#define CIK_TILE_MODE_DEPTH_STENCIL_1D 5 + #endif diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 40a1fb80739..009a655a5d3 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -380,10 +380,13 @@ struct perf_event_mmap_page { union { __u64 capabilities; struct { - __u64 cap_usr_time : 1, - cap_usr_rdpmc : 1, - cap_usr_time_zero : 1, - cap_____res : 61; + __u64 cap_bit0 : 1, /* Always 0, deprecated, see commit 860f085b74e9 */ + cap_bit0_is_deprecated : 1, /* Always 1, signals that bit 0 is zero */ + + cap_user_rdpmc : 1, /* The RDPMC instruction can be used to read counts */ + cap_user_time : 1, /* The time_* fields are used */ + cap_user_time_zero : 1, /* The time_zero field is used */ + cap_____res : 59; }; }; @@ -442,12 +445,13 @@ struct perf_event_mmap_page { * ((rem * time_mult) >> time_shift); */ __u64 time_zero; + __u32 size; /* Header size up to __reserved[] fields. */ /* * Hole for extension of the self monitor capabilities */ - __u64 __reserved[119]; /* align to 1k */ + __u8 __reserved[118*8+4]; /* align to 1k. */ /* * Control data for the mmap() data buffer. @@ -528,6 +532,7 @@ enum perf_event_type { * u64 len; * u64 pgoff; * char filename[]; + * struct sample_id sample_id; * }; */ PERF_RECORD_MMAP = 1, diff --git a/ipc/msg.c b/ipc/msg.c index b0d541d4267..558aa91186b 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -165,6 +165,15 @@ static inline void msg_rmid(struct ipc_namespace *ns, struct msg_queue *s) ipc_rmid(&msg_ids(ns), &s->q_perm); } +static void msg_rcu_free(struct rcu_head *head) +{ + struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu); + struct msg_queue *msq = ipc_rcu_to_struct(p); + + security_msg_queue_free(msq); + ipc_rcu_free(head); +} + /** * newque - Create a new msg queue * @ns: namespace @@ -189,15 +198,14 @@ static int newque(struct ipc_namespace *ns, struct ipc_params *params) msq->q_perm.security = NULL; retval = security_msg_queue_alloc(msq); if (retval) { - ipc_rcu_putref(msq); + ipc_rcu_putref(msq, ipc_rcu_free); return retval; } /* ipc_addid() locks msq upon success. */ id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni); if (id < 0) { - security_msg_queue_free(msq); - ipc_rcu_putref(msq); + ipc_rcu_putref(msq, msg_rcu_free); return id; } @@ -276,8 +284,7 @@ static void freeque(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) free_msg(msg); } atomic_sub(msq->q_cbytes, &ns->msg_bytes); - security_msg_queue_free(msq); - ipc_rcu_putref(msq); + ipc_rcu_putref(msq, msg_rcu_free); } /* @@ -688,6 +695,12 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext, if (ipcperms(ns, &msq->q_perm, S_IWUGO)) goto out_unlock0; + /* raced with RMID? */ + if (msq->q_perm.deleted) { + err = -EIDRM; + goto out_unlock0; + } + err = security_msg_queue_msgsnd(msq, msg, msgflg); if (err) goto out_unlock0; @@ -717,7 +730,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext, rcu_read_lock(); ipc_lock_object(&msq->q_perm); - ipc_rcu_putref(msq); + ipc_rcu_putref(msq, ipc_rcu_free); if (msq->q_perm.deleted) { err = -EIDRM; goto out_unlock0; @@ -894,6 +907,13 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int msgfl goto out_unlock1; ipc_lock_object(&msq->q_perm); + + /* raced with RMID? */ + if (msq->q_perm.deleted) { + msg = ERR_PTR(-EIDRM); + goto out_unlock0; + } + msg = find_msg(msq, &msgtyp, mode); if (!IS_ERR(msg)) { /* diff --git a/ipc/sem.c b/ipc/sem.c index 69b6a21f384..8c4f59b0204 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -243,71 +243,122 @@ static void merge_queues(struct sem_array *sma) } } +static void sem_rcu_free(struct rcu_head *head) +{ + struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu); + struct sem_array *sma = ipc_rcu_to_struct(p); + + security_sem_free(sma); + ipc_rcu_free(head); +} + +/* + * Wait until all currently ongoing simple ops have completed. + * Caller must own sem_perm.lock. + * New simple ops cannot start, because simple ops first check + * that sem_perm.lock is free. + * that a) sem_perm.lock is free and b) complex_count is 0. + */ +static void sem_wait_array(struct sem_array *sma) +{ + int i; + struct sem *sem; + + if (sma->complex_count) { + /* The thread that increased sma->complex_count waited on + * all sem->lock locks. Thus we don't need to wait again. + */ + return; + } + + for (i = 0; i < sma->sem_nsems; i++) { + sem = sma->sem_base + i; + spin_unlock_wait(&sem->lock); + } +} + /* * If the request contains only one semaphore operation, and there are * no complex transactions pending, lock only the semaphore involved. * Otherwise, lock the entire semaphore array, since we either have * multiple semaphores in our own semops, or we need to look at * semaphores from other pending complex operations. - * - * Carefully guard against sma->complex_count changing between zero - * and non-zero while we are spinning for the lock. The value of - * sma->complex_count cannot change while we are holding the lock, - * so sem_unlock should be fine. - * - * The global lock path checks that all the local locks have been released, - * checking each local lock once. This means that the local lock paths - * cannot start their critical sections while the global lock is held. */ static inline int sem_lock(struct sem_array *sma, struct sembuf *sops, int nsops) { - int locknum; - again: - if (nsops == 1 && !sma->complex_count) { - struct sem *sem = sma->sem_base + sops->sem_num; + struct sem *sem; - /* Lock just the semaphore we are interested in. */ - spin_lock(&sem->lock); + if (nsops != 1) { + /* Complex operation - acquire a full lock */ + ipc_lock_object(&sma->sem_perm); - /* - * If sma->complex_count was set while we were spinning, - * we may need to look at things we did not lock here. + /* And wait until all simple ops that are processed + * right now have dropped their locks. */ - if (unlikely(sma->complex_count)) { - spin_unlock(&sem->lock); - goto lock_array; - } + sem_wait_array(sma); + return -1; + } + + /* + * Only one semaphore affected - try to optimize locking. + * The rules are: + * - optimized locking is possible if no complex operation + * is either enqueued or processed right now. + * - The test for enqueued complex ops is simple: + * sma->complex_count != 0 + * - Testing for complex ops that are processed right now is + * a bit more difficult. Complex ops acquire the full lock + * and first wait that the running simple ops have completed. + * (see above) + * Thus: If we own a simple lock and the global lock is free + * and complex_count is now 0, then it will stay 0 and + * thus just locking sem->lock is sufficient. + */ + sem = sma->sem_base + sops->sem_num; + if (sma->complex_count == 0) { /* - * Another process is holding the global lock on the - * sem_array; we cannot enter our critical section, - * but have to wait for the global lock to be released. + * It appears that no complex operation is around. + * Acquire the per-semaphore lock. */ - if (unlikely(spin_is_locked(&sma->sem_perm.lock))) { - spin_unlock(&sem->lock); - spin_unlock_wait(&sma->sem_perm.lock); - goto again; + spin_lock(&sem->lock); + + /* Then check that the global lock is free */ + if (!spin_is_locked(&sma->sem_perm.lock)) { + /* spin_is_locked() is not a memory barrier */ + smp_mb(); + + /* Now repeat the test of complex_count: + * It can't change anymore until we drop sem->lock. + * Thus: if is now 0, then it will stay 0. + */ + if (sma->complex_count == 0) { + /* fast path successful! */ + return sops->sem_num; + } } + spin_unlock(&sem->lock); + } - locknum = sops->sem_num; + /* slow path: acquire the full lock */ + ipc_lock_object(&sma->sem_perm); + + if (sma->complex_count == 0) { + /* False alarm: + * There is no complex operation, thus we can switch + * back to the fast path. + */ + spin_lock(&sem->lock); + ipc_unlock_object(&sma->sem_perm); + return sops->sem_num; } else { - int i; - /* - * Lock the semaphore array, and wait for all of the - * individual semaphore locks to go away. The code - * above ensures no new single-lock holders will enter - * their critical section while the array lock is held. + /* Not a false alarm, thus complete the sequence for a + * full lock. */ - lock_array: - ipc_lock_object(&sma->sem_perm); - for (i = 0; i < sma->sem_nsems; i++) { - struct sem *sem = sma->sem_base + i; - spin_unlock_wait(&sem->lock); - } - locknum = -1; + sem_wait_array(sma); + return -1; } - return locknum; } static inline void sem_unlock(struct sem_array *sma, int locknum) @@ -374,12 +425,7 @@ static inline struct sem_array *sem_obtain_object_check(struct ipc_namespace *ns static inline void sem_lock_and_putref(struct sem_array *sma) { sem_lock(sma, NULL, -1); - ipc_rcu_putref(sma); -} - -static inline void sem_putref(struct sem_array *sma) -{ - ipc_rcu_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); } static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s) @@ -458,14 +504,13 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params) sma->sem_perm.security = NULL; retval = security_sem_alloc(sma); if (retval) { - ipc_rcu_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); return retval; } id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni); if (id < 0) { - security_sem_free(sma); - ipc_rcu_putref(sma); + ipc_rcu_putref(sma, sem_rcu_free); return id; } ns->used_sems += nsems; @@ -873,6 +918,24 @@ again: } /** + * set_semotime(sma, sops) - set sem_otime + * @sma: semaphore array + * @sops: operations that modified the array, may be NULL + * + * sem_otime is replicated to avoid cache line trashing. + * This function sets one instance to the current time. + */ +static void set_semotime(struct sem_array *sma, struct sembuf *sops) +{ + if (sops == NULL) { + sma->sem_base[0].sem_otime = get_seconds(); + } else { + sma->sem_base[sops[0].sem_num].sem_otime = + get_seconds(); + } +} + +/** * do_smart_update(sma, sops, nsops, otime, pt) - optimized update_queue * @sma: semaphore array * @sops: operations that were performed @@ -922,17 +985,10 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop } } } - if (otime) { - if (sops == NULL) { - sma->sem_base[0].sem_otime = get_seconds(); - } else { - sma->sem_base[sops[0].sem_num].sem_otime = - get_seconds(); - } - } + if (otime) + set_semotime(sma, sops); } - /* The following counts are associated to each semaphore: * semncnt number of tasks waiting on semval being nonzero * semzcnt number of tasks waiting on semval being zero @@ -1047,8 +1103,7 @@ static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) wake_up_sem_queue_do(&tasks); ns->used_sems -= sma->sem_nsems; - security_sem_free(sma); - ipc_rcu_putref(sma); + ipc_rcu_putref(sma, sem_rcu_free); } static unsigned long copy_semid_to_user(void __user *buf, struct semid64_ds *in, int version) @@ -1292,7 +1347,7 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, rcu_read_unlock(); sem_io = ipc_alloc(sizeof(ushort)*nsems); if(sem_io == NULL) { - sem_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); return -ENOMEM; } @@ -1328,20 +1383,20 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum, if(nsems > SEMMSL_FAST) { sem_io = ipc_alloc(sizeof(ushort)*nsems); if(sem_io == NULL) { - sem_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); return -ENOMEM; } } if (copy_from_user (sem_io, p, nsems*sizeof(ushort))) { - sem_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); err = -EFAULT; goto out_free; } for (i = 0; i < nsems; i++) { if (sem_io[i] > SEMVMX) { - sem_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); err = -ERANGE; goto out_free; } @@ -1629,7 +1684,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid) /* step 2: allocate new undo structure */ new = kzalloc(sizeof(struct sem_undo) + sizeof(short)*nsems, GFP_KERNEL); if (!new) { - sem_putref(sma); + ipc_rcu_putref(sma, ipc_rcu_free); return ERR_PTR(-ENOMEM); } @@ -1795,12 +1850,17 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, error = perform_atomic_semop(sma, sops, nsops, un, task_tgid_vnr(current)); - if (error <= 0) { - if (alter && error == 0) + if (error == 0) { + /* If the operation was successful, then do + * the required updates. + */ + if (alter) do_smart_update(sma, sops, nsops, 1, &tasks); - - goto out_unlock_free; + else + set_semotime(sma, sops); } + if (error <= 0) + goto out_unlock_free; /* We need to sleep on this operation, so we put the current * task into the pending queue and go to sleep. @@ -2059,6 +2119,14 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it) struct sem_array *sma = it; time_t sem_otime; + /* + * The proc interface isn't aware of sem_lock(), it calls + * ipc_lock_object() directly (in sysvipc_find_ipc). + * In order to stay compatible with sem_lock(), we must wait until + * all simple semop() calls have left their critical regions. + */ + sem_wait_array(sma); + sem_otime = get_semotime(sma); return seq_printf(s, diff --git a/ipc/shm.c b/ipc/shm.c index 2821cdf93ad..d69739610fd 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -167,6 +167,15 @@ static inline void shm_lock_by_ptr(struct shmid_kernel *ipcp) ipc_lock_object(&ipcp->shm_perm); } +static void shm_rcu_free(struct rcu_head *head) +{ + struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu); + struct shmid_kernel *shp = ipc_rcu_to_struct(p); + + security_shm_free(shp); + ipc_rcu_free(head); +} + static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s) { ipc_rmid(&shm_ids(ns), &s->shm_perm); @@ -208,8 +217,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) user_shm_unlock(file_inode(shp->shm_file)->i_size, shp->mlock_user); fput (shp->shm_file); - security_shm_free(shp); - ipc_rcu_putref(shp); + ipc_rcu_putref(shp, shm_rcu_free); } /* @@ -497,7 +505,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) shp->shm_perm.security = NULL; error = security_shm_alloc(shp); if (error) { - ipc_rcu_putref(shp); + ipc_rcu_putref(shp, ipc_rcu_free); return error; } @@ -566,8 +574,7 @@ no_id: user_shm_unlock(size, shp->mlock_user); fput(file); no_file: - security_shm_free(shp); - ipc_rcu_putref(shp); + ipc_rcu_putref(shp, shm_rcu_free); return error; } diff --git a/ipc/util.c b/ipc/util.c index e829da9ed01..fdb8ae74077 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -474,11 +474,6 @@ void ipc_free(void* ptr, int size) kfree(ptr); } -struct ipc_rcu { - struct rcu_head rcu; - atomic_t refcount; -} ____cacheline_aligned_in_smp; - /** * ipc_rcu_alloc - allocate ipc and rcu space * @size: size desired @@ -505,27 +500,24 @@ int ipc_rcu_getref(void *ptr) return atomic_inc_not_zero(&p->refcount); } -/** - * ipc_schedule_free - free ipc + rcu space - * @head: RCU callback structure for queued work - */ -static void ipc_schedule_free(struct rcu_head *head) -{ - vfree(container_of(head, struct ipc_rcu, rcu)); -} - -void ipc_rcu_putref(void *ptr) +void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head)) { struct ipc_rcu *p = ((struct ipc_rcu *)ptr) - 1; if (!atomic_dec_and_test(&p->refcount)) return; - if (is_vmalloc_addr(ptr)) { - call_rcu(&p->rcu, ipc_schedule_free); - } else { - kfree_rcu(p, rcu); - } + call_rcu(&p->rcu, func); +} + +void ipc_rcu_free(struct rcu_head *head) +{ + struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu); + + if (is_vmalloc_addr(p)) + vfree(p); + else + kfree(p); } /** diff --git a/ipc/util.h b/ipc/util.h index c5f3338ba1f..f2f5036f2ee 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -47,6 +47,13 @@ static inline void msg_exit_ns(struct ipc_namespace *ns) { } static inline void shm_exit_ns(struct ipc_namespace *ns) { } #endif +struct ipc_rcu { + struct rcu_head rcu; + atomic_t refcount; +} ____cacheline_aligned_in_smp; + +#define ipc_rcu_to_struct(p) ((void *)(p+1)) + /* * Structure that holds the parameters needed by the ipc operations * (see after) @@ -120,7 +127,8 @@ void ipc_free(void* ptr, int size); */ void* ipc_rcu_alloc(int size); int ipc_rcu_getref(void *ptr); -void ipc_rcu_putref(void *ptr); +void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head)); +void ipc_rcu_free(struct rcu_head *head); struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int); struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id); diff --git a/kernel/audit.c b/kernel/audit.c index 91e53d04b6a..7b0e23a740c 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1117,9 +1117,10 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, sleep_time = timeout_start + audit_backlog_wait_time - jiffies; - if ((long)sleep_time > 0) + if ((long)sleep_time > 0) { wait_for_auditd(sleep_time); - continue; + continue; + } } if (audit_rate_check() && printk_ratelimit()) printk(KERN_WARNING diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index 247091bf058..859c8dfd78a 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -51,6 +51,15 @@ void context_tracking_user_enter(void) unsigned long flags; /* + * Repeat the user_enter() check here because some archs may be calling + * this from asm and if no CPU needs context tracking, they shouldn't + * go further. Repeat the check here until they support the static key + * check. + */ + if (!static_key_false(&context_tracking_enabled)) + return; + + /* * Some contexts may involve an exception occuring in an irq, * leading to that nesting: * rcu_irq_enter() rcu_user_exit() rcu_user_exit() rcu_irq_exit() @@ -151,6 +160,9 @@ void context_tracking_user_exit(void) { unsigned long flags; + if (!static_key_false(&context_tracking_enabled)) + return; + if (in_interrupt()) return; diff --git a/kernel/events/core.c b/kernel/events/core.c index dd236b66ca3..cb4238e85b3 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3660,6 +3660,26 @@ static void calc_timer_values(struct perf_event *event, *running = ctx_time - event->tstamp_running; } +static void perf_event_init_userpage(struct perf_event *event) +{ + struct perf_event_mmap_page *userpg; + struct ring_buffer *rb; + + rcu_read_lock(); + rb = rcu_dereference(event->rb); + if (!rb) + goto unlock; + + userpg = rb->user_page; + + /* Allow new userspace to detect that bit 0 is deprecated */ + userpg->cap_bit0_is_deprecated = 1; + userpg->size = offsetof(struct perf_event_mmap_page, __reserved); + +unlock: + rcu_read_unlock(); +} + void __weak arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) { } @@ -4044,6 +4064,7 @@ again: ring_buffer_attach(event, rb); rcu_assign_pointer(event->rb, rb); + perf_event_init_userpage(event); perf_event_update_userpage(event); unlock: diff --git a/kernel/kmod.c b/kernel/kmod.c index fb326365b69..b086006c59e 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -571,6 +571,10 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait) DECLARE_COMPLETION_ONSTACK(done); int retval = 0; + if (!sub_info->path) { + call_usermodehelper_freeinfo(sub_info); + return -EINVAL; + } helper_lock(); if (!khelper_wq || usermodehelper_disabled) { retval = -EBUSY; diff --git a/kernel/params.c b/kernel/params.c index 81c4e78c8f4..c00d5b502aa 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -254,11 +254,11 @@ int parse_args(const char *doing, STANDARD_PARAM_DEF(byte, unsigned char, "%hhu", unsigned long, kstrtoul); -STANDARD_PARAM_DEF(short, short, "%hi", long, kstrtoul); +STANDARD_PARAM_DEF(short, short, "%hi", long, kstrtol); STANDARD_PARAM_DEF(ushort, unsigned short, "%hu", unsigned long, kstrtoul); -STANDARD_PARAM_DEF(int, int, "%i", long, kstrtoul); +STANDARD_PARAM_DEF(int, int, "%i", long, kstrtol); STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, kstrtoul); -STANDARD_PARAM_DEF(long, long, "%li", long, kstrtoul); +STANDARD_PARAM_DEF(long, long, "%li", long, kstrtol); STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, kstrtoul); int param_set_charp(const char *val, const struct kernel_param *kp) diff --git a/kernel/pid.c b/kernel/pid.c index ebe5e80b10f..9b9a2669814 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -273,6 +273,11 @@ void free_pid(struct pid *pid) */ wake_up_process(ns->child_reaper); break; + case PIDNS_HASH_ADDING: + /* Handle a fork failure of the first process */ + WARN_ON(ns->child_reaper); + ns->nr_hashed = 0; + /* fall through */ case 0: schedule_work(&ns->proc_work); break; diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 358a146fd4d..98c3b34a4cf 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -743,7 +743,10 @@ int create_basic_memory_bitmaps(void) struct memory_bitmap *bm1, *bm2; int error = 0; - BUG_ON(forbidden_pages_map || free_pages_map); + if (forbidden_pages_map && free_pages_map) + return 0; + else + BUG_ON(forbidden_pages_map || free_pages_map); bm1 = kzalloc(sizeof(struct memory_bitmap), GFP_KERNEL); if (!bm1) diff --git a/kernel/power/user.c b/kernel/power/user.c index 72e8f4fd616..957f06164ad 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -39,6 +39,7 @@ static struct snapshot_data { char frozen; char ready; char platform_support; + bool free_bitmaps; } snapshot_state; atomic_t snapshot_device_available = ATOMIC_INIT(1); @@ -82,6 +83,10 @@ static int snapshot_open(struct inode *inode, struct file *filp) data->swap = -1; data->mode = O_WRONLY; error = pm_notifier_call_chain(PM_RESTORE_PREPARE); + if (!error) { + error = create_basic_memory_bitmaps(); + data->free_bitmaps = !error; + } if (error) pm_notifier_call_chain(PM_POST_RESTORE); } @@ -111,6 +116,8 @@ static int snapshot_release(struct inode *inode, struct file *filp) pm_restore_gfp_mask(); free_basic_memory_bitmaps(); thaw_processes(); + } else if (data->free_bitmaps) { + free_basic_memory_bitmaps(); } pm_notifier_call_chain(data->mode == O_RDONLY ? PM_POST_HIBERNATION : PM_POST_RESTORE); @@ -231,6 +238,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, break; pm_restore_gfp_mask(); free_basic_memory_bitmaps(); + data->free_bitmaps = false; thaw_processes(); data->frozen = 0; break; diff --git a/kernel/reboot.c b/kernel/reboot.c index 269ed9384cc..f813b347464 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -32,7 +32,14 @@ EXPORT_SYMBOL(cad_pid); #endif enum reboot_mode reboot_mode DEFAULT_REBOOT_MODE; -int reboot_default; +/* + * This variable is used privately to keep track of whether or not + * reboot_type is still set to its default value (i.e., reboot= hasn't + * been set on the command line). This is needed so that we can + * suppress DMI scanning for reboot quirks. Without it, it's + * impossible to override a faulty reboot quirk without recompiling. + */ +int reboot_default = 1; int reboot_cpu; enum reboot_type reboot_type = BOOT_ACPI; int reboot_force; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 11cd1366735..7c70201fbc6 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4242,7 +4242,7 @@ static void update_cfs_rq_h_load(struct cfs_rq *cfs_rq) } if (!se) { - cfs_rq->h_load = rq->avg.load_avg_contrib; + cfs_rq->h_load = cfs_rq->runnable_load_avg; cfs_rq->last_h_load_update = now; } @@ -4823,8 +4823,8 @@ void fix_small_imbalance(struct lb_env *env, struct sd_lb_stats *sds) (busiest->load_per_task * SCHED_POWER_SCALE) / busiest->group_power; - if (busiest->avg_load - local->avg_load + scaled_busy_load_per_task >= - (scaled_busy_load_per_task * imbn)) { + if (busiest->avg_load + scaled_busy_load_per_task >= + local->avg_load + (scaled_busy_load_per_task * imbn)) { env->imbalance = busiest->load_per_task; return; } @@ -4896,7 +4896,8 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s * max load less than avg load(as we skip the groups at or below * its cpu_power, while calculating max_load..) */ - if (busiest->avg_load < sds->avg_load) { + if (busiest->avg_load <= sds->avg_load || + local->avg_load >= sds->avg_load) { env->imbalance = 0; return fix_small_imbalance(env, sds); } diff --git a/kernel/softirq.c b/kernel/softirq.c index 53cc09ceb0b..d7d498d8cc4 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -328,10 +328,19 @@ void irq_enter(void) static inline void invoke_softirq(void) { - if (!force_irqthreads) - __do_softirq(); - else + if (!force_irqthreads) { + /* + * We can safely execute softirq on the current stack if + * it is the irq stack, because it should be near empty + * at this stage. But we have no way to know if the arch + * calls irq_exit() on the irq stack. So call softirq + * in its own stack to prevent from any overrun on top + * of a potentially deep task stack. + */ + do_softirq(); + } else { wakeup_softirqd(); + } } static inline void tick_irq_exit(void) diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 51c4f34d258..4431610f049 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -486,7 +486,52 @@ static struct smp_hotplug_thread watchdog_threads = { .unpark = watchdog_enable, }; -static int watchdog_enable_all_cpus(void) +static void restart_watchdog_hrtimer(void *info) +{ + struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); + int ret; + + /* + * No need to cancel and restart hrtimer if it is currently executing + * because it will reprogram itself with the new period now. + * We should never see it unqueued here because we are running per-cpu + * with interrupts disabled. + */ + ret = hrtimer_try_to_cancel(hrtimer); + if (ret == 1) + hrtimer_start(hrtimer, ns_to_ktime(sample_period), + HRTIMER_MODE_REL_PINNED); +} + +static void update_timers(int cpu) +{ + struct call_single_data data = {.func = restart_watchdog_hrtimer}; + /* + * Make sure that perf event counter will adopt to a new + * sampling period. Updating the sampling period directly would + * be much nicer but we do not have an API for that now so + * let's use a big hammer. + * Hrtimer will adopt the new period on the next tick but this + * might be late already so we have to restart the timer as well. + */ + watchdog_nmi_disable(cpu); + __smp_call_function_single(cpu, &data, 1); + watchdog_nmi_enable(cpu); +} + +static void update_timers_all_cpus(void) +{ + int cpu; + + get_online_cpus(); + preempt_disable(); + for_each_online_cpu(cpu) + update_timers(cpu); + preempt_enable(); + put_online_cpus(); +} + +static int watchdog_enable_all_cpus(bool sample_period_changed) { int err = 0; @@ -496,6 +541,8 @@ static int watchdog_enable_all_cpus(void) pr_err("Failed to create watchdog threads, disabled\n"); else watchdog_running = 1; + } else if (sample_period_changed) { + update_timers_all_cpus(); } return err; @@ -520,13 +567,15 @@ int proc_dowatchdog(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int err, old_thresh, old_enabled; + static DEFINE_MUTEX(watchdog_proc_mutex); + mutex_lock(&watchdog_proc_mutex); old_thresh = ACCESS_ONCE(watchdog_thresh); old_enabled = ACCESS_ONCE(watchdog_user_enabled); err = proc_dointvec_minmax(table, write, buffer, lenp, ppos); if (err || !write) - return err; + goto out; set_sample_period(); /* @@ -535,7 +584,7 @@ int proc_dowatchdog(struct ctl_table *table, int write, * watchdog_*_all_cpus() function takes care of this. */ if (watchdog_user_enabled && watchdog_thresh) - err = watchdog_enable_all_cpus(); + err = watchdog_enable_all_cpus(old_thresh != watchdog_thresh); else watchdog_disable_all_cpus(); @@ -544,7 +593,8 @@ int proc_dowatchdog(struct ctl_table *table, int write, watchdog_thresh = old_thresh; watchdog_user_enabled = old_enabled; } - +out: + mutex_unlock(&watchdog_proc_mutex); return err; } #endif /* CONFIG_SYSCTL */ @@ -554,5 +604,5 @@ void __init lockup_detector_init(void) set_sample_period(); if (watchdog_user_enabled) - watchdog_enable_all_cpus(); + watchdog_enable_all_cpus(false); } diff --git a/lib/hexdump.c b/lib/hexdump.c index 3f0494c9d57..8499c810909 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -14,6 +14,8 @@ const char hex_asc[] = "0123456789abcdef"; EXPORT_SYMBOL(hex_asc); +const char hex_asc_upper[] = "0123456789ABCDEF"; +EXPORT_SYMBOL(hex_asc_upper); /** * hex_to_bin - convert a hex digit to its real value diff --git a/lib/kobject.c b/lib/kobject.c index 96217513470..669bf190d4f 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -933,10 +933,7 @@ const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj) bool kobj_ns_current_may_mount(enum kobj_ns_type type) { - bool may_mount = false; - - if (type == KOBJ_NS_TYPE_NONE) - return true; + bool may_mount = true; spin_lock(&kobj_ns_type_lock); if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) && diff --git a/lib/lockref.c b/lib/lockref.c index 677d036cf3c..6f9d434c152 100644 --- a/lib/lockref.c +++ b/lib/lockref.c @@ -4,6 +4,22 @@ #ifdef CONFIG_CMPXCHG_LOCKREF /* + * Allow weakly-ordered memory architectures to provide barrier-less + * cmpxchg semantics for lockref updates. + */ +#ifndef cmpxchg64_relaxed +# define cmpxchg64_relaxed cmpxchg64 +#endif + +/* + * Allow architectures to override the default cpu_relax() within CMPXCHG_LOOP. + * This is useful for architectures with an expensive cpu_relax(). + */ +#ifndef arch_mutex_cpu_relax +# define arch_mutex_cpu_relax() cpu_relax() +#endif + +/* * Note that the "cmpxchg()" reloads the "old" value for the * failure case. */ @@ -14,12 +30,13 @@ while (likely(arch_spin_value_unlocked(old.lock.rlock.raw_lock))) { \ struct lockref new = old, prev = old; \ CODE \ - old.lock_count = cmpxchg64(&lockref->lock_count, \ - old.lock_count, new.lock_count); \ + old.lock_count = cmpxchg64_relaxed(&lockref->lock_count, \ + old.lock_count, \ + new.lock_count); \ if (likely(old.lock_count == prev.lock_count)) { \ SUCCESS; \ } \ - cpu_relax(); \ + arch_mutex_cpu_relax(); \ } \ } while (0) diff --git a/mm/Kconfig b/mm/Kconfig index 026771a9b09..394838f489e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -183,7 +183,7 @@ config MEMORY_HOTPLUG_SPARSE config MEMORY_HOTREMOVE bool "Allow for memory hot remove" select MEMORY_ISOLATION - select HAVE_BOOTMEM_INFO_NODE if X86_64 + select HAVE_BOOTMEM_INFO_NODE if (X86_64 || PPC64) depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE depends on MIGRATION diff --git a/mm/bounce.c b/mm/bounce.c index c9f0a4339a7..5a7d58fb883 100644 --- a/mm/bounce.c +++ b/mm/bounce.c @@ -204,6 +204,8 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, struct bio_vec *to, *from; unsigned i; + if (force) + goto bounce; bio_for_each_segment(from, *bio_orig, i) if (page_to_pfn(from->bv_page) > queue_bounce_pfn(q)) goto bounce; diff --git a/mm/compaction.c b/mm/compaction.c index c43789388cd..b5326b141a2 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -677,6 +677,13 @@ static void isolate_freepages(struct zone *zone, pfn -= pageblock_nr_pages) { unsigned long isolated; + /* + * This can iterate a massively long zone without finding any + * suitable migration targets, so periodically check if we need + * to schedule. + */ + cond_resched(); + if (!pfn_valid(pfn)) continue; diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c index afc2daa91c6..4c84678371e 100644 --- a/mm/hwpoison-inject.c +++ b/mm/hwpoison-inject.c @@ -20,8 +20,6 @@ static int hwpoison_inject(void *data, u64 val) if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (!hwpoison_filter_enable) - goto inject; if (!pfn_valid(pfn)) return -ENXIO; @@ -33,6 +31,9 @@ static int hwpoison_inject(void *data, u64 val) if (!get_page_unless_zero(hpage)) return 0; + if (!hwpoison_filter_enable) + goto inject; + if (!PageLRU(p) && !PageHuge(p)) shake_page(p, 0); /* diff --git a/mm/madvise.c b/mm/madvise.c index 6975bc81254..539eeb96b32 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -343,10 +343,11 @@ static long madvise_remove(struct vm_area_struct *vma, */ static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end) { + struct page *p; if (!capable(CAP_SYS_ADMIN)) return -EPERM; - for (; start < end; start += PAGE_SIZE) { - struct page *p; + for (; start < end; start += PAGE_SIZE << + compound_order(compound_head(p))) { int ret; ret = get_user_pages_fast(start, 1, 0, &p); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index d5ff3ce1302..1c52ddbc839 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -39,6 +39,7 @@ #include <linux/limits.h> #include <linux/export.h> #include <linux/mutex.h> +#include <linux/rbtree.h> #include <linux/slab.h> #include <linux/swap.h> #include <linux/swapops.h> @@ -160,6 +161,10 @@ struct mem_cgroup_per_zone { struct mem_cgroup_reclaim_iter reclaim_iter[DEF_PRIORITY + 1]; + struct rb_node tree_node; /* RB tree node */ + unsigned long long usage_in_excess;/* Set to the value by which */ + /* the soft limit is exceeded*/ + bool on_tree; struct mem_cgroup *memcg; /* Back pointer, we cannot */ /* use container_of */ }; @@ -168,6 +173,26 @@ struct mem_cgroup_per_node { struct mem_cgroup_per_zone zoneinfo[MAX_NR_ZONES]; }; +/* + * Cgroups above their limits are maintained in a RB-Tree, independent of + * their hierarchy representation + */ + +struct mem_cgroup_tree_per_zone { + struct rb_root rb_root; + spinlock_t lock; +}; + +struct mem_cgroup_tree_per_node { + struct mem_cgroup_tree_per_zone rb_tree_per_zone[MAX_NR_ZONES]; +}; + +struct mem_cgroup_tree { + struct mem_cgroup_tree_per_node *rb_tree_per_node[MAX_NUMNODES]; +}; + +static struct mem_cgroup_tree soft_limit_tree __read_mostly; + struct mem_cgroup_threshold { struct eventfd_ctx *eventfd; u64 threshold; @@ -303,22 +328,6 @@ struct mem_cgroup { atomic_t numainfo_events; atomic_t numainfo_updating; #endif - /* - * Protects soft_contributed transitions. - * See mem_cgroup_update_soft_limit - */ - spinlock_t soft_lock; - - /* - * If true then this group has increased parents' children_in_excess - * when it got over the soft limit. - * When a group falls bellow the soft limit, parents' children_in_excess - * is decreased and soft_contributed changed to false. - */ - bool soft_contributed; - - /* Number of children that are in soft limit excess */ - atomic_t children_in_excess; struct mem_cgroup_per_node *nodeinfo[0]; /* WARNING: nodeinfo must be the last member here */ @@ -422,6 +431,7 @@ static bool move_file(void) * limit reclaim to prevent infinite loops, if they ever occur. */ #define MEM_CGROUP_MAX_RECLAIM_LOOPS 100 +#define MEM_CGROUP_MAX_SOFT_LIMIT_RECLAIM_LOOPS 2 enum charge_type { MEM_CGROUP_CHARGE_TYPE_CACHE = 0, @@ -648,6 +658,164 @@ page_cgroup_zoneinfo(struct mem_cgroup *memcg, struct page *page) return mem_cgroup_zoneinfo(memcg, nid, zid); } +static struct mem_cgroup_tree_per_zone * +soft_limit_tree_node_zone(int nid, int zid) +{ + return &soft_limit_tree.rb_tree_per_node[nid]->rb_tree_per_zone[zid]; +} + +static struct mem_cgroup_tree_per_zone * +soft_limit_tree_from_page(struct page *page) +{ + int nid = page_to_nid(page); + int zid = page_zonenum(page); + + return &soft_limit_tree.rb_tree_per_node[nid]->rb_tree_per_zone[zid]; +} + +static void +__mem_cgroup_insert_exceeded(struct mem_cgroup *memcg, + struct mem_cgroup_per_zone *mz, + struct mem_cgroup_tree_per_zone *mctz, + unsigned long long new_usage_in_excess) +{ + struct rb_node **p = &mctz->rb_root.rb_node; + struct rb_node *parent = NULL; + struct mem_cgroup_per_zone *mz_node; + + if (mz->on_tree) + return; + + mz->usage_in_excess = new_usage_in_excess; + if (!mz->usage_in_excess) + return; + while (*p) { + parent = *p; + mz_node = rb_entry(parent, struct mem_cgroup_per_zone, + tree_node); + if (mz->usage_in_excess < mz_node->usage_in_excess) + p = &(*p)->rb_left; + /* + * We can't avoid mem cgroups that are over their soft + * limit by the same amount + */ + else if (mz->usage_in_excess >= mz_node->usage_in_excess) + p = &(*p)->rb_right; + } + rb_link_node(&mz->tree_node, parent, p); + rb_insert_color(&mz->tree_node, &mctz->rb_root); + mz->on_tree = true; +} + +static void +__mem_cgroup_remove_exceeded(struct mem_cgroup *memcg, + struct mem_cgroup_per_zone *mz, + struct mem_cgroup_tree_per_zone *mctz) +{ + if (!mz->on_tree) + return; + rb_erase(&mz->tree_node, &mctz->rb_root); + mz->on_tree = false; +} + +static void +mem_cgroup_remove_exceeded(struct mem_cgroup *memcg, + struct mem_cgroup_per_zone *mz, + struct mem_cgroup_tree_per_zone *mctz) +{ + spin_lock(&mctz->lock); + __mem_cgroup_remove_exceeded(memcg, mz, mctz); + spin_unlock(&mctz->lock); +} + + +static void mem_cgroup_update_tree(struct mem_cgroup *memcg, struct page *page) +{ + unsigned long long excess; + struct mem_cgroup_per_zone *mz; + struct mem_cgroup_tree_per_zone *mctz; + int nid = page_to_nid(page); + int zid = page_zonenum(page); + mctz = soft_limit_tree_from_page(page); + + /* + * Necessary to update all ancestors when hierarchy is used. + * because their event counter is not touched. + */ + for (; memcg; memcg = parent_mem_cgroup(memcg)) { + mz = mem_cgroup_zoneinfo(memcg, nid, zid); + excess = res_counter_soft_limit_excess(&memcg->res); + /* + * We have to update the tree if mz is on RB-tree or + * mem is over its softlimit. + */ + if (excess || mz->on_tree) { + spin_lock(&mctz->lock); + /* if on-tree, remove it */ + if (mz->on_tree) + __mem_cgroup_remove_exceeded(memcg, mz, mctz); + /* + * Insert again. mz->usage_in_excess will be updated. + * If excess is 0, no tree ops. + */ + __mem_cgroup_insert_exceeded(memcg, mz, mctz, excess); + spin_unlock(&mctz->lock); + } + } +} + +static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg) +{ + int node, zone; + struct mem_cgroup_per_zone *mz; + struct mem_cgroup_tree_per_zone *mctz; + + for_each_node(node) { + for (zone = 0; zone < MAX_NR_ZONES; zone++) { + mz = mem_cgroup_zoneinfo(memcg, node, zone); + mctz = soft_limit_tree_node_zone(node, zone); + mem_cgroup_remove_exceeded(memcg, mz, mctz); + } + } +} + +static struct mem_cgroup_per_zone * +__mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz) +{ + struct rb_node *rightmost = NULL; + struct mem_cgroup_per_zone *mz; + +retry: + mz = NULL; + rightmost = rb_last(&mctz->rb_root); + if (!rightmost) + goto done; /* Nothing to reclaim from */ + + mz = rb_entry(rightmost, struct mem_cgroup_per_zone, tree_node); + /* + * Remove the node now but someone else can add it back, + * we will to add it back at the end of reclaim to its correct + * position in the tree. + */ + __mem_cgroup_remove_exceeded(mz->memcg, mz, mctz); + if (!res_counter_soft_limit_excess(&mz->memcg->res) || + !css_tryget(&mz->memcg->css)) + goto retry; +done: + return mz; +} + +static struct mem_cgroup_per_zone * +mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz) +{ + struct mem_cgroup_per_zone *mz; + + spin_lock(&mctz->lock); + mz = __mem_cgroup_largest_soft_limit_node(mctz); + spin_unlock(&mctz->lock); + return mz; +} + /* * Implementation Note: reading percpu statistics for memcg. * @@ -822,48 +990,6 @@ static bool mem_cgroup_event_ratelimit(struct mem_cgroup *memcg, } /* - * Called from rate-limited memcg_check_events when enough - * MEM_CGROUP_TARGET_SOFTLIMIT events are accumulated and it makes sure - * that all the parents up the hierarchy will be notified that this group - * is in excess or that it is not in excess anymore. mmecg->soft_contributed - * makes the transition a single action whenever the state flips from one to - * the other. - */ -static void mem_cgroup_update_soft_limit(struct mem_cgroup *memcg) -{ - unsigned long long excess = res_counter_soft_limit_excess(&memcg->res); - struct mem_cgroup *parent = memcg; - int delta = 0; - - spin_lock(&memcg->soft_lock); - if (excess) { - if (!memcg->soft_contributed) { - delta = 1; - memcg->soft_contributed = true; - } - } else { - if (memcg->soft_contributed) { - delta = -1; - memcg->soft_contributed = false; - } - } - - /* - * Necessary to update all ancestors when hierarchy is used - * because their event counter is not touched. - * We track children even outside the hierarchy for the root - * cgroup because tree walk starting at root should visit - * all cgroups and we want to prevent from pointless tree - * walk if no children is below the limit. - */ - while (delta && (parent = parent_mem_cgroup(parent))) - atomic_add(delta, &parent->children_in_excess); - if (memcg != root_mem_cgroup && !root_mem_cgroup->use_hierarchy) - atomic_add(delta, &root_mem_cgroup->children_in_excess); - spin_unlock(&memcg->soft_lock); -} - -/* * Check events in order. * */ @@ -886,7 +1012,7 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page) mem_cgroup_threshold(memcg); if (unlikely(do_softlimit)) - mem_cgroup_update_soft_limit(memcg); + mem_cgroup_update_tree(memcg, page); #if MAX_NUMNODES > 1 if (unlikely(do_numainfo)) atomic_inc(&memcg->numainfo_events); @@ -929,15 +1055,6 @@ struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm) return memcg; } -static enum mem_cgroup_filter_t -mem_cgroup_filter(struct mem_cgroup *memcg, struct mem_cgroup *root, - mem_cgroup_iter_filter cond) -{ - if (!cond) - return VISIT; - return cond(memcg, root); -} - /* * Returns a next (in a pre-order walk) alive memcg (with elevated css * ref. count) or NULL if the whole root's subtree has been visited. @@ -945,7 +1062,7 @@ mem_cgroup_filter(struct mem_cgroup *memcg, struct mem_cgroup *root, * helper function to be used by mem_cgroup_iter */ static struct mem_cgroup *__mem_cgroup_iter_next(struct mem_cgroup *root, - struct mem_cgroup *last_visited, mem_cgroup_iter_filter cond) + struct mem_cgroup *last_visited) { struct cgroup_subsys_state *prev_css, *next_css; @@ -963,31 +1080,11 @@ skip_node: if (next_css) { struct mem_cgroup *mem = mem_cgroup_from_css(next_css); - switch (mem_cgroup_filter(mem, root, cond)) { - case SKIP: + if (css_tryget(&mem->css)) + return mem; + else { prev_css = next_css; goto skip_node; - case SKIP_TREE: - if (mem == root) - return NULL; - /* - * css_rightmost_descendant is not an optimal way to - * skip through a subtree (especially for imbalanced - * trees leaning to right) but that's what we have right - * now. More effective solution would be traversing - * right-up for first non-NULL without calling - * css_next_descendant_pre afterwards. - */ - prev_css = css_rightmost_descendant(next_css); - goto skip_node; - case VISIT: - if (css_tryget(&mem->css)) - return mem; - else { - prev_css = next_css; - goto skip_node; - } - break; } } @@ -1051,7 +1148,6 @@ static void mem_cgroup_iter_update(struct mem_cgroup_reclaim_iter *iter, * @root: hierarchy root * @prev: previously returned memcg, NULL on first invocation * @reclaim: cookie for shared reclaim walks, NULL for full walks - * @cond: filter for visited nodes, NULL for no filter * * Returns references to children of the hierarchy below @root, or * @root itself, or %NULL after a full round-trip. @@ -1064,18 +1160,15 @@ static void mem_cgroup_iter_update(struct mem_cgroup_reclaim_iter *iter, * divide up the memcgs in the hierarchy among all concurrent * reclaimers operating on the same zone and priority. */ -struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root, +struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, struct mem_cgroup *prev, - struct mem_cgroup_reclaim_cookie *reclaim, - mem_cgroup_iter_filter cond) + struct mem_cgroup_reclaim_cookie *reclaim) { struct mem_cgroup *memcg = NULL; struct mem_cgroup *last_visited = NULL; - if (mem_cgroup_disabled()) { - /* first call must return non-NULL, second return NULL */ - return (struct mem_cgroup *)(unsigned long)!prev; - } + if (mem_cgroup_disabled()) + return NULL; if (!root) root = root_mem_cgroup; @@ -1086,9 +1179,7 @@ struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root, if (!root->use_hierarchy && root != root_mem_cgroup) { if (prev) goto out_css_put; - if (mem_cgroup_filter(root, root, cond) == VISIT) - return root; - return NULL; + return root; } rcu_read_lock(); @@ -1111,7 +1202,7 @@ struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root, last_visited = mem_cgroup_iter_load(iter, root, &seq); } - memcg = __mem_cgroup_iter_next(root, last_visited, cond); + memcg = __mem_cgroup_iter_next(root, last_visited); if (reclaim) { mem_cgroup_iter_update(iter, last_visited, memcg, seq); @@ -1122,11 +1213,7 @@ struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root, reclaim->generation = iter->generation; } - /* - * We have finished the whole tree walk or no group has been - * visited because filter told us to skip the root node. - */ - if (!memcg && (prev || (cond && !last_visited))) + if (prev && !memcg) goto out_unlock; } out_unlock: @@ -1767,7 +1854,6 @@ static unsigned long mem_cgroup_reclaim(struct mem_cgroup *memcg, return total; } -#if MAX_NUMNODES > 1 /** * test_mem_cgroup_node_reclaimable * @memcg: the target memcg @@ -1790,6 +1876,7 @@ static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg, return false; } +#if MAX_NUMNODES > 1 /* * Always updating the nodemask is not very good - even if we have an empty @@ -1857,50 +1944,104 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *memcg) return node; } +/* + * Check all nodes whether it contains reclaimable pages or not. + * For quick scan, we make use of scan_nodes. This will allow us to skip + * unused nodes. But scan_nodes is lazily updated and may not cotain + * enough new information. We need to do double check. + */ +static bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap) +{ + int nid; + + /* + * quick check...making use of scan_node. + * We can skip unused nodes. + */ + if (!nodes_empty(memcg->scan_nodes)) { + for (nid = first_node(memcg->scan_nodes); + nid < MAX_NUMNODES; + nid = next_node(nid, memcg->scan_nodes)) { + + if (test_mem_cgroup_node_reclaimable(memcg, nid, noswap)) + return true; + } + } + /* + * Check rest of nodes. + */ + for_each_node_state(nid, N_MEMORY) { + if (node_isset(nid, memcg->scan_nodes)) + continue; + if (test_mem_cgroup_node_reclaimable(memcg, nid, noswap)) + return true; + } + return false; +} + #else int mem_cgroup_select_victim_node(struct mem_cgroup *memcg) { return 0; } -#endif - -/* - * A group is eligible for the soft limit reclaim under the given root - * hierarchy if - * a) it is over its soft limit - * b) any parent up the hierarchy is over its soft limit - * - * If the given group doesn't have any children over the limit then it - * doesn't make any sense to iterate its subtree. - */ -enum mem_cgroup_filter_t -mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg, - struct mem_cgroup *root) +static bool mem_cgroup_reclaimable(struct mem_cgroup *memcg, bool noswap) { - struct mem_cgroup *parent; - - if (!memcg) - memcg = root_mem_cgroup; - parent = memcg; - - if (res_counter_soft_limit_excess(&memcg->res)) - return VISIT; + return test_mem_cgroup_node_reclaimable(memcg, 0, noswap); +} +#endif - /* - * If any parent up to the root in the hierarchy is over its soft limit - * then we have to obey and reclaim from this group as well. - */ - while ((parent = parent_mem_cgroup(parent))) { - if (res_counter_soft_limit_excess(&parent->res)) - return VISIT; - if (parent == root) +static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg, + struct zone *zone, + gfp_t gfp_mask, + unsigned long *total_scanned) +{ + struct mem_cgroup *victim = NULL; + int total = 0; + int loop = 0; + unsigned long excess; + unsigned long nr_scanned; + struct mem_cgroup_reclaim_cookie reclaim = { + .zone = zone, + .priority = 0, + }; + + excess = res_counter_soft_limit_excess(&root_memcg->res) >> PAGE_SHIFT; + + while (1) { + victim = mem_cgroup_iter(root_memcg, victim, &reclaim); + if (!victim) { + loop++; + if (loop >= 2) { + /* + * If we have not been able to reclaim + * anything, it might because there are + * no reclaimable pages under this hierarchy + */ + if (!total) + break; + /* + * We want to do more targeted reclaim. + * excess >> 2 is not to excessive so as to + * reclaim too much, nor too less that we keep + * coming back to reclaim from this cgroup + */ + if (total >= (excess >> 2) || + (loop > MEM_CGROUP_MAX_RECLAIM_LOOPS)) + break; + } + continue; + } + if (!mem_cgroup_reclaimable(victim, false)) + continue; + total += mem_cgroup_shrink_node_zone(victim, gfp_mask, false, + zone, &nr_scanned); + *total_scanned += nr_scanned; + if (!res_counter_soft_limit_excess(&root_memcg->res)) break; } - - if (!atomic_read(&memcg->children_in_excess)) - return SKIP_TREE; - return SKIP; + mem_cgroup_iter_break(root_memcg, victim); + return total; } static DEFINE_SPINLOCK(memcg_oom_lock); @@ -2812,7 +2953,9 @@ static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg, unlock_page_cgroup(pc); /* - * "charge_statistics" updated event counter. + * "charge_statistics" updated event counter. Then, check it. + * Insert ancestor (and ancestor's ancestors), to softlimit RB-tree. + * if they exceeds softlimit. */ memcg_check_events(memcg, page); } @@ -4647,6 +4790,98 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg, return ret; } +unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, + gfp_t gfp_mask, + unsigned long *total_scanned) +{ + unsigned long nr_reclaimed = 0; + struct mem_cgroup_per_zone *mz, *next_mz = NULL; + unsigned long reclaimed; + int loop = 0; + struct mem_cgroup_tree_per_zone *mctz; + unsigned long long excess; + unsigned long nr_scanned; + + if (order > 0) + return 0; + + mctz = soft_limit_tree_node_zone(zone_to_nid(zone), zone_idx(zone)); + /* + * This loop can run a while, specially if mem_cgroup's continuously + * keep exceeding their soft limit and putting the system under + * pressure + */ + do { + if (next_mz) + mz = next_mz; + else + mz = mem_cgroup_largest_soft_limit_node(mctz); + if (!mz) + break; + + nr_scanned = 0; + reclaimed = mem_cgroup_soft_reclaim(mz->memcg, zone, + gfp_mask, &nr_scanned); + nr_reclaimed += reclaimed; + *total_scanned += nr_scanned; + spin_lock(&mctz->lock); + + /* + * If we failed to reclaim anything from this memory cgroup + * it is time to move on to the next cgroup + */ + next_mz = NULL; + if (!reclaimed) { + do { + /* + * Loop until we find yet another one. + * + * By the time we get the soft_limit lock + * again, someone might have aded the + * group back on the RB tree. Iterate to + * make sure we get a different mem. + * mem_cgroup_largest_soft_limit_node returns + * NULL if no other cgroup is present on + * the tree + */ + next_mz = + __mem_cgroup_largest_soft_limit_node(mctz); + if (next_mz == mz) + css_put(&next_mz->memcg->css); + else /* next_mz == NULL or other memcg */ + break; + } while (1); + } + __mem_cgroup_remove_exceeded(mz->memcg, mz, mctz); + excess = res_counter_soft_limit_excess(&mz->memcg->res); + /* + * One school of thought says that we should not add + * back the node to the tree if reclaim returns 0. + * But our reclaim could return 0, simply because due + * to priority we are exposing a smaller subset of + * memory to reclaim from. Consider this as a longer + * term TODO. + */ + /* If excess == 0, no tree ops */ + __mem_cgroup_insert_exceeded(mz->memcg, mz, mctz, excess); + spin_unlock(&mctz->lock); + css_put(&mz->memcg->css); + loop++; + /* + * Could not reclaim anything and there are no more + * mem cgroups to try or we seem to be looping without + * reclaiming anything. + */ + if (!nr_reclaimed && + (next_mz == NULL || + loop > MEM_CGROUP_MAX_SOFT_LIMIT_RECLAIM_LOOPS)) + break; + } while (!nr_reclaimed); + if (next_mz) + css_put(&next_mz->memcg->css); + return nr_reclaimed; +} + /** * mem_cgroup_force_empty_list - clears LRU of a group * @memcg: group to clear @@ -5911,6 +6146,8 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node) for (zone = 0; zone < MAX_NR_ZONES; zone++) { mz = &pn->zoneinfo[zone]; lruvec_init(&mz->lruvec); + mz->usage_in_excess = 0; + mz->on_tree = false; mz->memcg = memcg; } memcg->nodeinfo[node] = pn; @@ -5966,6 +6203,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg) int node; size_t size = memcg_size(); + mem_cgroup_remove_from_trees(memcg); free_css_id(&mem_cgroup_subsys, &memcg->css); for_each_node(node) @@ -6002,6 +6240,29 @@ struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg) } EXPORT_SYMBOL(parent_mem_cgroup); +static void __init mem_cgroup_soft_limit_tree_init(void) +{ + struct mem_cgroup_tree_per_node *rtpn; + struct mem_cgroup_tree_per_zone *rtpz; + int tmp, node, zone; + + for_each_node(node) { + tmp = node; + if (!node_state(node, N_NORMAL_MEMORY)) + tmp = -1; + rtpn = kzalloc_node(sizeof(*rtpn), GFP_KERNEL, tmp); + BUG_ON(!rtpn); + + soft_limit_tree.rb_tree_per_node[node] = rtpn; + + for (zone = 0; zone < MAX_NR_ZONES; zone++) { + rtpz = &rtpn->rb_tree_per_zone[zone]; + rtpz->rb_root = RB_ROOT; + spin_lock_init(&rtpz->lock); + } + } +} + static struct cgroup_subsys_state * __ref mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) { @@ -6031,7 +6292,6 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css) mutex_init(&memcg->thresholds_lock); spin_lock_init(&memcg->move_lock); vmpressure_init(&memcg->vmpressure); - spin_lock_init(&memcg->soft_lock); return &memcg->css; @@ -6109,13 +6369,6 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) mem_cgroup_invalidate_reclaim_iterators(memcg); mem_cgroup_reparent_charges(memcg); - if (memcg->soft_contributed) { - while ((memcg = parent_mem_cgroup(memcg))) - atomic_dec(&memcg->children_in_excess); - - if (memcg != root_mem_cgroup && !root_mem_cgroup->use_hierarchy) - atomic_dec(&root_mem_cgroup->children_in_excess); - } mem_cgroup_destroy_all_caches(memcg); vmpressure_cleanup(&memcg->vmpressure); } @@ -6790,6 +7043,7 @@ static int __init mem_cgroup_init(void) { hotcpu_notifier(memcg_cpu_hotplug_callback, 0); enable_swap_cgroup(); + mem_cgroup_soft_limit_tree_init(); memcg_stock_init(); return 0; } diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 947ed541327..bf3351b5115 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1114,8 +1114,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) * shake_page could have turned it free. */ if (is_free_buddy_page(p)) { - action_result(pfn, "free buddy, 2nd try", - DELAYED); + if (flags & MF_COUNT_INCREASED) + action_result(pfn, "free buddy", DELAYED); + else + action_result(pfn, "free buddy, 2nd try", DELAYED); return 0; } action_result(pfn, "non LRU", IGNORED); @@ -1349,7 +1351,7 @@ int unpoison_memory(unsigned long pfn) * worked by memory_failure() and the page lock is not held yet. * In such case, we yield to memory_failure() and make unpoison fail. */ - if (PageTransHuge(page)) { + if (!PageHuge(page) && PageTransHuge(page)) { pr_info("MCE: Memory failure is now running on %#lx\n", pfn); return 0; } diff --git a/mm/migrate.c b/mm/migrate.c index 9c8d5f59d30..a26bccd44cc 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -107,7 +107,7 @@ void putback_movable_pages(struct list_head *l) list_del(&page->lru); dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); - if (unlikely(balloon_page_movable(page))) + if (unlikely(isolated_balloon_page(page))) balloon_page_putback(page); else putback_lru_page(page); diff --git a/mm/mlock.c b/mm/mlock.c index d6380266324..d480cd6fc47 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -379,10 +379,14 @@ static unsigned long __munlock_pagevec_fill(struct pagevec *pvec, /* * Initialize pte walk starting at the already pinned page where we - * are sure that there is a pte. + * are sure that there is a pte, as it was pinned under the same + * mmap_sem write op. */ pte = get_locked_pte(vma->vm_mm, start, &ptl); - end = min(end, pmd_addr_end(start, end)); + /* Make sure we do not cross the page table boundary */ + end = pgd_addr_end(start, end); + end = pud_addr_end(start, end); + end = pmd_addr_end(start, end); /* The page next to the pinned page is the first we will try to get */ start += PAGE_SIZE; @@ -736,6 +740,7 @@ static int do_mlockall(int flags) /* Ignore errors */ mlock_fixup(vma, &prev, vma->vm_start, vma->vm_end, newflags); + cond_resched(); } out: return 0; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0ee638f76eb..dd886fac451 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6366,10 +6366,6 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) list_del(&page->lru); rmv_page_order(page); zone->free_area[order].nr_free--; -#ifdef CONFIG_HIGHMEM - if (PageHighMem(page)) - totalhigh_pages -= 1 << order; -#endif for (i = 0; i < (1 << order); i++) SetPageReserved((page+i)); pfn += (1 << order); diff --git a/mm/vmscan.c b/mm/vmscan.c index 8ed1b775bdc..53f2f82f83a 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -48,6 +48,7 @@ #include <asm/div64.h> #include <linux/swapops.h> +#include <linux/balloon_compaction.h> #include "internal.h" @@ -139,23 +140,11 @@ static bool global_reclaim(struct scan_control *sc) { return !sc->target_mem_cgroup; } - -static bool mem_cgroup_should_soft_reclaim(struct scan_control *sc) -{ - struct mem_cgroup *root = sc->target_mem_cgroup; - return !mem_cgroup_disabled() && - mem_cgroup_soft_reclaim_eligible(root, root) != SKIP_TREE; -} #else static bool global_reclaim(struct scan_control *sc) { return true; } - -static bool mem_cgroup_should_soft_reclaim(struct scan_control *sc) -{ - return false; -} #endif unsigned long zone_reclaimable_pages(struct zone *zone) @@ -1125,7 +1114,8 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, LIST_HEAD(clean_pages); list_for_each_entry_safe(page, next, page_list, lru) { - if (page_is_file_cache(page) && !PageDirty(page)) { + if (page_is_file_cache(page) && !PageDirty(page) && + !isolated_balloon_page(page)) { ClearPageActive(page); list_move(&page->lru, &clean_pages); } @@ -2176,11 +2166,9 @@ static inline bool should_continue_reclaim(struct zone *zone, } } -static int -__shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) +static void shrink_zone(struct zone *zone, struct scan_control *sc) { unsigned long nr_reclaimed, nr_scanned; - int groups_scanned = 0; do { struct mem_cgroup *root = sc->target_mem_cgroup; @@ -2188,17 +2176,15 @@ __shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) .zone = zone, .priority = sc->priority, }; - struct mem_cgroup *memcg = NULL; - mem_cgroup_iter_filter filter = (soft_reclaim) ? - mem_cgroup_soft_reclaim_eligible : NULL; + struct mem_cgroup *memcg; nr_reclaimed = sc->nr_reclaimed; nr_scanned = sc->nr_scanned; - while ((memcg = mem_cgroup_iter_cond(root, memcg, &reclaim, filter))) { + memcg = mem_cgroup_iter(root, NULL, &reclaim); + do { struct lruvec *lruvec; - groups_scanned++; lruvec = mem_cgroup_zone_lruvec(zone, memcg); shrink_lruvec(lruvec, sc); @@ -2218,7 +2204,8 @@ __shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) mem_cgroup_iter_break(root, memcg); break; } - } + memcg = mem_cgroup_iter(root, memcg, &reclaim); + } while (memcg); vmpressure(sc->gfp_mask, sc->target_mem_cgroup, sc->nr_scanned - nr_scanned, @@ -2226,37 +2213,6 @@ __shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) } while (should_continue_reclaim(zone, sc->nr_reclaimed - nr_reclaimed, sc->nr_scanned - nr_scanned, sc)); - - return groups_scanned; -} - - -static void shrink_zone(struct zone *zone, struct scan_control *sc) -{ - bool do_soft_reclaim = mem_cgroup_should_soft_reclaim(sc); - unsigned long nr_scanned = sc->nr_scanned; - int scanned_groups; - - scanned_groups = __shrink_zone(zone, sc, do_soft_reclaim); - /* - * memcg iterator might race with other reclaimer or start from - * a incomplete tree walk so the tree walk in __shrink_zone - * might have missed groups that are above the soft limit. Try - * another loop to catch up with others. Do it just once to - * prevent from reclaim latencies when other reclaimers always - * preempt this one. - */ - if (do_soft_reclaim && !scanned_groups) - __shrink_zone(zone, sc, do_soft_reclaim); - - /* - * No group is over the soft limit or those that are do not have - * pages in the zone we are reclaiming so we have to reclaim everybody - */ - if (do_soft_reclaim && (sc->nr_scanned == nr_scanned)) { - __shrink_zone(zone, sc, false); - return; - } } /* Returns true if compaction should go ahead for a high-order request */ @@ -2320,6 +2276,8 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) { struct zoneref *z; struct zone *zone; + unsigned long nr_soft_reclaimed; + unsigned long nr_soft_scanned; bool aborted_reclaim = false; /* @@ -2359,6 +2317,18 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) continue; } } + /* + * This steals pages from memory cgroups over softlimit + * and returns the number of reclaimed pages and + * scanned pages. This works for global memory pressure + * and balancing, not for a memcg's limit. + */ + nr_soft_scanned = 0; + nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone, + sc->order, sc->gfp_mask, + &nr_soft_scanned); + sc->nr_reclaimed += nr_soft_reclaimed; + sc->nr_scanned += nr_soft_scanned; /* need some check for avoid more shrink_zone() */ } @@ -2952,6 +2922,8 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order, { int i; int end_zone = 0; /* Inclusive. 0 = ZONE_DMA */ + unsigned long nr_soft_reclaimed; + unsigned long nr_soft_scanned; struct scan_control sc = { .gfp_mask = GFP_KERNEL, .priority = DEF_PRIORITY, @@ -3066,6 +3038,15 @@ static unsigned long balance_pgdat(pg_data_t *pgdat, int order, sc.nr_scanned = 0; + nr_soft_scanned = 0; + /* + * Call soft limit reclaim before calling shrink_zone. + */ + nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone, + order, sc.gfp_mask, + &nr_soft_scanned); + sc.nr_reclaimed += nr_soft_reclaimed; + /* * There should be no need to raise the scanning * priority if enough pages are already being scanned diff --git a/net/802/mrp.c b/net/802/mrp.c index 1eb05d80b07..3ed61621587 100644 --- a/net/802/mrp.c +++ b/net/802/mrp.c @@ -24,6 +24,11 @@ static unsigned int mrp_join_time __read_mostly = 200; module_param(mrp_join_time, uint, 0644); MODULE_PARM_DESC(mrp_join_time, "Join time in ms (default 200ms)"); + +static unsigned int mrp_periodic_time __read_mostly = 1000; +module_param(mrp_periodic_time, uint, 0644); +MODULE_PARM_DESC(mrp_periodic_time, "Periodic time in ms (default 1s)"); + MODULE_LICENSE("GPL"); static const u8 @@ -595,6 +600,24 @@ static void mrp_join_timer(unsigned long data) mrp_join_timer_arm(app); } +static void mrp_periodic_timer_arm(struct mrp_applicant *app) +{ + mod_timer(&app->periodic_timer, + jiffies + msecs_to_jiffies(mrp_periodic_time)); +} + +static void mrp_periodic_timer(unsigned long data) +{ + struct mrp_applicant *app = (struct mrp_applicant *)data; + + spin_lock(&app->lock); + mrp_mad_event(app, MRP_EVENT_PERIODIC); + mrp_pdu_queue(app); + spin_unlock(&app->lock); + + mrp_periodic_timer_arm(app); +} + static int mrp_pdu_parse_end_mark(struct sk_buff *skb, int *offset) { __be16 endmark; @@ -845,6 +868,9 @@ int mrp_init_applicant(struct net_device *dev, struct mrp_application *appl) rcu_assign_pointer(dev->mrp_port->applicants[appl->type], app); setup_timer(&app->join_timer, mrp_join_timer, (unsigned long)app); mrp_join_timer_arm(app); + setup_timer(&app->periodic_timer, mrp_periodic_timer, + (unsigned long)app); + mrp_periodic_timer_arm(app); return 0; err3: @@ -870,6 +896,7 @@ void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *appl) * all pending messages before the applicant is gone. */ del_timer_sync(&app->join_timer); + del_timer_sync(&app->periodic_timer); spin_lock_bh(&app->lock); mrp_mad_event(app, MRP_EVENT_TX); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 634debab4d5..fb7356fcfe5 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1146,7 +1146,11 @@ int hci_dev_open(__u16 dev) goto done; } - if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) { + /* Check for rfkill but allow the HCI setup stage to proceed + * (which in itself doesn't cause any RF activity). + */ + if (test_bit(HCI_RFKILLED, &hdev->dev_flags) && + !test_bit(HCI_SETUP, &hdev->dev_flags)) { ret = -ERFKILL; goto done; } @@ -1566,10 +1570,13 @@ static int hci_rfkill_set_block(void *data, bool blocked) BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked); - if (!blocked) - return 0; - - hci_dev_do_close(hdev); + if (blocked) { + set_bit(HCI_RFKILLED, &hdev->dev_flags); + if (!test_bit(HCI_SETUP, &hdev->dev_flags)) + hci_dev_do_close(hdev); + } else { + clear_bit(HCI_RFKILLED, &hdev->dev_flags); + } return 0; } @@ -1591,9 +1598,13 @@ static void hci_power_on(struct work_struct *work) return; } - if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) + if (test_bit(HCI_RFKILLED, &hdev->dev_flags)) { + clear_bit(HCI_AUTO_OFF, &hdev->dev_flags); + hci_dev_do_close(hdev); + } else if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { queue_delayed_work(hdev->req_workqueue, &hdev->power_off, HCI_AUTO_OFF_TIMEOUT); + } if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); @@ -2209,6 +2220,9 @@ int hci_register_dev(struct hci_dev *hdev) } } + if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) + set_bit(HCI_RFKILLED, &hdev->dev_flags); + set_bit(HCI_SETUP, &hdev->dev_flags); if (hdev->dev_type != HCI_AMP) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 94aab73f89d..8db3e89fae3 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3557,7 +3557,11 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) cp.handle = cpu_to_le16(conn->handle); if (ltk->authenticated) - conn->sec_level = BT_SECURITY_HIGH; + conn->pending_sec_level = BT_SECURITY_HIGH; + else + conn->pending_sec_level = BT_SECURITY_MEDIUM; + + conn->enc_key_size = ltk->enc_size; hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index b3bb7bca8e6..63fa11109a1 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3755,6 +3755,13 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, sk = chan->sk; + /* For certain devices (ex: HID mouse), support for authentication, + * pairing and bonding is optional. For such devices, inorder to avoid + * the ACL alive for too long after L2CAP disconnection, reset the ACL + * disc_timeout back to HCI_DISCONN_TIMEOUT during L2CAP connect. + */ + conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT; + bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); chan->psm = psm; diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 6d126faf145..84fcf9fff3e 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -569,7 +569,6 @@ static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb) static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err) { struct rfcomm_dev *dev = dlc->owner; - struct tty_struct *tty; if (!dev) return; @@ -581,38 +580,8 @@ static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err) DPM_ORDER_DEV_AFTER_PARENT); wake_up_interruptible(&dev->port.open_wait); - } else if (dlc->state == BT_CLOSED) { - tty = tty_port_tty_get(&dev->port); - if (!tty) { - if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) { - /* Drop DLC lock here to avoid deadlock - * 1. rfcomm_dev_get will take rfcomm_dev_lock - * but in rfcomm_dev_add there's lock order: - * rfcomm_dev_lock -> dlc lock - * 2. tty_port_put will deadlock if it's - * the last reference - * - * FIXME: when we release the lock anything - * could happen to dev, even its destruction - */ - rfcomm_dlc_unlock(dlc); - if (rfcomm_dev_get(dev->id) == NULL) { - rfcomm_dlc_lock(dlc); - return; - } - - if (!test_and_set_bit(RFCOMM_TTY_RELEASED, - &dev->flags)) - tty_port_put(&dev->port); - - tty_port_put(&dev->port); - rfcomm_dlc_lock(dlc); - } - } else { - tty_hangup(tty); - tty_kref_put(tty); - } - } + } else if (dlc->state == BT_CLOSED) + tty_port_tty_hangup(&dev->port, false); } static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig) diff --git a/net/core/dev.c b/net/core/dev.c index 5c713f2239c..65f829cfd92 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5247,10 +5247,12 @@ static int dev_new_index(struct net *net) /* Delayed registration/unregisteration */ static LIST_HEAD(net_todo_list); +static DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq); static void net_set_todo(struct net_device *dev) { list_add_tail(&dev->todo_list, &net_todo_list); + dev_net(dev)->dev_unreg_count++; } static void rollback_registered_many(struct list_head *head) @@ -5918,6 +5920,12 @@ void netdev_run_todo(void) if (dev->destructor) dev->destructor(dev); + /* Report a network device has been unregistered */ + rtnl_lock(); + dev_net(dev)->dev_unreg_count--; + __rtnl_unlock(); + wake_up(&netdev_unregistering_wq); + /* Free network device */ kobject_put(&dev->dev.kobj); } @@ -6603,6 +6611,34 @@ static void __net_exit default_device_exit(struct net *net) rtnl_unlock(); } +static void __net_exit rtnl_lock_unregistering(struct list_head *net_list) +{ + /* Return with the rtnl_lock held when there are no network + * devices unregistering in any network namespace in net_list. + */ + struct net *net; + bool unregistering; + DEFINE_WAIT(wait); + + for (;;) { + prepare_to_wait(&netdev_unregistering_wq, &wait, + TASK_UNINTERRUPTIBLE); + unregistering = false; + rtnl_lock(); + list_for_each_entry(net, net_list, exit_list) { + if (net->dev_unreg_count > 0) { + unregistering = true; + break; + } + } + if (!unregistering) + break; + __rtnl_unlock(); + schedule(); + } + finish_wait(&netdev_unregistering_wq, &wait); +} + static void __net_exit default_device_exit_batch(struct list_head *net_list) { /* At exit all network devices most be removed from a network @@ -6614,7 +6650,18 @@ static void __net_exit default_device_exit_batch(struct list_head *net_list) struct net *net; LIST_HEAD(dev_kill_list); - rtnl_lock(); + /* To prevent network device cleanup code from dereferencing + * loopback devices or network devices that have been freed + * wait here for all pending unregistrations to complete, + * before unregistring the loopback device and allowing the + * network namespace be freed. + * + * The netdev todo list containing all network devices + * unregistrations that happen in default_device_exit_batch + * will run in the rtnl_unlock() at the end of + * default_device_exit_batch. + */ + rtnl_lock_unregistering(net_list); list_for_each_entry(net, net_list, exit_list) { for_each_netdev_reverse(net, dev) { if (dev->rtnl_link_ops) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 1929af87b26..8d7d0dd72db 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -154,8 +154,8 @@ ipv6: if (poff >= 0) { __be32 *ports, _ports; - nhoff += poff; - ports = skb_header_pointer(skb, nhoff, sizeof(_ports), &_ports); + ports = skb_header_pointer(skb, nhoff + poff, + sizeof(_ports), &_ports); if (ports) flow->ports = *ports; } diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 6a2f13cee86..3f1ec1586ae 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -10,11 +10,24 @@ #include <net/secure_seq.h> -static u32 net_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; +#define NET_SECRET_SIZE (MD5_MESSAGE_BYTES / 4) -void net_secret_init(void) +static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned; + +static void net_secret_init(void) { - get_random_bytes(net_secret, sizeof(net_secret)); + u32 tmp; + int i; + + if (likely(net_secret[0])) + return; + + for (i = NET_SECRET_SIZE; i > 0;) { + do { + get_random_bytes(&tmp, sizeof(tmp)); + } while (!tmp); + cmpxchg(&net_secret[--i], 0, tmp); + } } #ifdef CONFIG_INET @@ -42,6 +55,7 @@ __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, u32 hash[MD5_DIGEST_WORDS]; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + (__force u32)daddr[i]; @@ -63,6 +77,7 @@ u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, u32 hash[MD5_DIGEST_WORDS]; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + (__force u32) daddr[i]; @@ -82,6 +97,7 @@ __u32 secure_ip_id(__be32 daddr) { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force __u32) daddr; hash[1] = net_secret[13]; hash[2] = net_secret[14]; @@ -96,6 +112,7 @@ __u32 secure_ipv6_id(const __be32 daddr[4]) { __u32 hash[4]; + net_secret_init(); memcpy(hash, daddr, 16); md5_transform(hash, net_secret); @@ -107,6 +124,7 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = ((__force u16)sport << 16) + (__force u16)dport; @@ -121,6 +139,7 @@ u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport) { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = (__force u32)dport ^ net_secret[14]; @@ -140,6 +159,7 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, u32 hash[MD5_DIGEST_WORDS]; u64 seq; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = ((__force u16)sport << 16) + (__force u16)dport; @@ -164,6 +184,7 @@ u64 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr, u64 seq; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + daddr[i]; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 7a1874b7b8f..cfeb85cff4f 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -263,10 +263,8 @@ void build_ehash_secret(void) get_random_bytes(&rnd, sizeof(rnd)); } while (rnd == 0); - if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) { + if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) get_random_bytes(&ipv6_hash_secret, sizeof(ipv6_hash_secret)); - net_secret_init(); - } } EXPORT_SYMBOL(build_ehash_secret); diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index dace87f06e5..7defdc9ba16 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -736,7 +736,7 @@ static void igmp_gq_timer_expire(unsigned long data) in_dev->mr_gq_running = 0; igmpv3_send_report(in_dev, NULL); - __in_dev_put(in_dev); + in_dev_put(in_dev); } static void igmp_ifc_timer_expire(unsigned long data) @@ -749,7 +749,7 @@ static void igmp_ifc_timer_expire(unsigned long data) igmp_ifc_start_timer(in_dev, unsolicited_report_interval(in_dev)); } - __in_dev_put(in_dev); + in_dev_put(in_dev); } static void igmp_ifc_event(struct in_device *in_dev) diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index ac9fabe0300..63a6d6d6b87 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -623,6 +623,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, tunnel->err_count = 0; } + tos = ip_tunnel_ecn_encap(tos, inner_iph, skb); ttl = tnl_params->ttl; if (ttl == 0) { if (skb->protocol == htons(ETH_P_IP)) @@ -641,18 +642,17 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr) + rt->dst.header_len; - if (max_headroom > dev->needed_headroom) { + if (max_headroom > dev->needed_headroom) dev->needed_headroom = max_headroom; - if (skb_cow_head(skb, dev->needed_headroom)) { - dev->stats.tx_dropped++; - dev_kfree_skb(skb); - return; - } + + if (skb_cow_head(skb, dev->needed_headroom)) { + dev->stats.tx_dropped++; + dev_kfree_skb(skb); + return; } err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, protocol, - ip_tunnel_ecn_encap(tos, inner_iph, skb), ttl, df, - !net_eq(tunnel->net, dev_net(dev))); + tos, ttl, df, !net_eq(tunnel->net, dev_net(dev))); iptunnel_xmit_stats(err, &dev->stats, dev->tstats); return; @@ -853,8 +853,10 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ - if (!IS_ERR(itn->fb_tunnel_dev)) + if (!IS_ERR(itn->fb_tunnel_dev)) { itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL; + ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev)); + } rtnl_unlock(); return PTR_RET(itn->fb_tunnel_dev); @@ -884,8 +886,6 @@ static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head, if (!net_eq(dev_net(t->dev), net)) unregister_netdevice_queue(t->dev, head); } - if (itn->fb_tunnel_dev) - unregister_netdevice_queue(itn->fb_tunnel_dev, head); } void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops) diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index d6c856b17fd..c31e3ad98ef 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -61,7 +61,7 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb, memset(IPCB(skb), 0, sizeof(*IPCB(skb))); /* Push down and install the IP header. */ - __skb_push(skb, sizeof(struct iphdr)); + skb_push(skb, sizeof(struct iphdr)); skb_reset_network_header(skb); iph = ip_hdr(skb); diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c index 67e17dcda65..b6346bf2fde 100644 --- a/net/ipv4/netfilter/ipt_SYNPROXY.c +++ b/net/ipv4/netfilter/ipt_SYNPROXY.c @@ -267,7 +267,8 @@ synproxy_tg4(struct sk_buff *skb, const struct xt_action_param *par) if (th == NULL) return NF_DROP; - synproxy_parse_options(skb, par->thoff, th, &opts); + if (!synproxy_parse_options(skb, par->thoff, th, &opts)) + return NF_DROP; if (th->syn && !(th->ack || th->fin || th->rst)) { /* Initial SYN from client */ @@ -350,7 +351,8 @@ static unsigned int ipv4_synproxy_hook(unsigned int hooknum, /* fall through */ case TCP_CONNTRACK_SYN_SENT: - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; if (!th->syn && th->ack && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { @@ -373,7 +375,9 @@ static unsigned int ipv4_synproxy_hook(unsigned int hooknum, if (!th->syn || !th->ack) break; - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; + if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP) synproxy->tsoff = opts.tsval - synproxy->its; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index bfec521c717..193db03540a 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -218,8 +218,10 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info) if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) ipv4_sk_update_pmtu(skb, sk, info); - else if (type == ICMP_REDIRECT) + else if (type == ICMP_REDIRECT) { ipv4_sk_redirect(skb, sk); + return; + } /* Report error on raw socket, if: 1. User requested ip_recverr. diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 7c83cb8bf13..e6bb8256e59 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -895,8 +895,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, skb_orphan(skb); skb->sk = sk; - skb->destructor = (sysctl_tcp_limit_output_bytes > 0) ? - tcp_wfree : sock_wfree; + skb->destructor = tcp_wfree; atomic_add(skb->truesize, &sk->sk_wmem_alloc); /* Build TCP header and checksum it. */ @@ -1840,7 +1839,6 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, while ((skb = tcp_send_head(sk))) { unsigned int limit; - tso_segs = tcp_init_tso_segs(sk, skb, mss_now); BUG_ON(!tso_segs); @@ -1869,13 +1867,20 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, break; } - /* TSQ : sk_wmem_alloc accounts skb truesize, - * including skb overhead. But thats OK. + /* TCP Small Queues : + * Control number of packets in qdisc/devices to two packets / or ~1 ms. + * This allows for : + * - better RTT estimation and ACK scheduling + * - faster recovery + * - high rates */ - if (atomic_read(&sk->sk_wmem_alloc) >= sysctl_tcp_limit_output_bytes) { + limit = max(skb->truesize, sk->sk_pacing_rate >> 10); + + if (atomic_read(&sk->sk_wmem_alloc) > limit) { set_bit(TSQ_THROTTLED, &tp->tsq_flags); break; } + limit = mss_now; if (tso_segs > 1 && !tcp_urg_mode(tp)) limit = tcp_mss_split_point(sk, skb, mss_now, diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 74d2c95db57..0ca44df51ee 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -658,7 +658,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable) break; case ICMP_REDIRECT: ipv4_sk_redirect(skb, sk); - break; + goto out; } /* diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index d6ff12617f3..cd3fb301da3 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1499,6 +1499,33 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr, return false; } +/* Compares an address/prefix_len with addresses on device @dev. + * If one is found it returns true. + */ +bool ipv6_chk_custom_prefix(const struct in6_addr *addr, + const unsigned int prefix_len, struct net_device *dev) +{ + struct inet6_dev *idev; + struct inet6_ifaddr *ifa; + bool ret = false; + + rcu_read_lock(); + idev = __in6_dev_get(dev); + if (idev) { + read_lock_bh(&idev->lock); + list_for_each_entry(ifa, &idev->addr_list, if_list) { + ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len); + if (ret) + break; + } + read_unlock_bh(&idev->lock); + } + rcu_read_unlock(); + + return ret; +} +EXPORT_SYMBOL(ipv6_chk_custom_prefix); + int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev) { struct inet6_dev *idev; @@ -2193,43 +2220,21 @@ ok: else stored_lft = 0; if (!update_lft && !create && stored_lft) { - if (valid_lft > MIN_VALID_LIFETIME || - valid_lft > stored_lft) - update_lft = 1; - else if (stored_lft <= MIN_VALID_LIFETIME) { - /* valid_lft <= stored_lft is always true */ - /* - * RFC 4862 Section 5.5.3e: - * "Note that the preferred lifetime of - * the corresponding address is always - * reset to the Preferred Lifetime in - * the received Prefix Information - * option, regardless of whether the - * valid lifetime is also reset or - * ignored." - * - * So if the preferred lifetime in - * this advertisement is different - * than what we have stored, but the - * valid lifetime is invalid, just - * reset prefered_lft. - * - * We must set the valid lifetime - * to the stored lifetime since we'll - * be updating the timestamp below, - * else we'll set it back to the - * minimum. - */ - if (prefered_lft != ifp->prefered_lft) { - valid_lft = stored_lft; - update_lft = 1; - } - } else { - valid_lft = MIN_VALID_LIFETIME; - if (valid_lft < prefered_lft) - prefered_lft = valid_lft; - update_lft = 1; - } + const u32 minimum_lft = min( + stored_lft, (u32)MIN_VALID_LIFETIME); + valid_lft = max(valid_lft, minimum_lft); + + /* RFC4862 Section 5.5.3e: + * "Note that the preferred lifetime of the + * corresponding address is always reset to + * the Preferred Lifetime in the received + * Prefix Information option, regardless of + * whether the valid lifetime is also reset or + * ignored." + * + * So we should always update prefered_lft here. + */ + update_lft = 1; } if (update_lft) { diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 6b26e9feafb..7bb5446b9d7 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -618,7 +618,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb, struct ip6_tnl *tunnel = netdev_priv(dev); struct net_device *tdev; /* Device to other host */ struct ipv6hdr *ipv6h; /* Our new IP header */ - unsigned int max_headroom; /* The extra header space needed */ + unsigned int max_headroom = 0; /* The extra header space needed */ int gre_hlen; struct ipv6_tel_txoption opt; int mtu; @@ -693,7 +693,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb, skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(dev))); - max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + dst->header_len; + max_headroom += LL_RESERVED_SPACE(tdev) + gre_hlen + dst->header_len; if (skb_headroom(skb) < max_headroom || skb_shared(skb) || (skb_cloned(skb) && !skb_clone_writable(skb, 0))) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 3a692d52916..a54c45ce4a4 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1015,6 +1015,8 @@ static inline int ip6_ufo_append_data(struct sock *sk, * udp datagram */ if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) { + struct frag_hdr fhdr; + skb = sock_alloc_send_skb(sk, hh_len + fragheaderlen + transhdrlen + 20, (flags & MSG_DONTWAIT), &err); @@ -1036,12 +1038,6 @@ static inline int ip6_ufo_append_data(struct sock *sk, skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; - } - - err = skb_append_datato_frags(sk,skb, getfrag, from, - (length - transhdrlen)); - if (!err) { - struct frag_hdr fhdr; /* Specify the length of each IPv6 datagram fragment. * It has to be a multiple of 8. @@ -1052,15 +1048,10 @@ static inline int ip6_ufo_append_data(struct sock *sk, ipv6_select_ident(&fhdr, rt); skb_shinfo(skb)->ip6_frag_id = fhdr.identification; __skb_queue_tail(&sk->sk_write_queue, skb); - - return 0; } - /* There is not enough support do UPD LSO, - * so follow normal path - */ - kfree_skb(skb); - return err; + return skb_append_datato_frags(sk, skb, getfrag, from, + (length - transhdrlen)); } static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src, @@ -1227,27 +1218,27 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, * --yoshfuji */ - cork->length += length; - if (length > mtu) { - int proto = sk->sk_protocol; - if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){ - ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen); - return -EMSGSIZE; - } - - if (proto == IPPROTO_UDP && - (rt->dst.dev->features & NETIF_F_UFO)) { + if ((length > mtu) && dontfrag && (sk->sk_protocol == IPPROTO_UDP || + sk->sk_protocol == IPPROTO_RAW)) { + ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen); + return -EMSGSIZE; + } - err = ip6_ufo_append_data(sk, getfrag, from, length, - hh_len, fragheaderlen, - transhdrlen, mtu, flags, rt); - if (err) - goto error; - return 0; - } + skb = skb_peek_tail(&sk->sk_write_queue); + cork->length += length; + if (((length > mtu) || + (skb && skb_is_gso(skb))) && + (sk->sk_protocol == IPPROTO_UDP) && + (rt->dst.dev->features & NETIF_F_UFO)) { + err = ip6_ufo_append_data(sk, getfrag, from, length, + hh_len, fragheaderlen, + transhdrlen, mtu, flags, rt); + if (err) + goto error; + return 0; } - if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) + if (!skb) goto alloc_new_skb; while (length > 0) { diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 2d8f4829575..a791552e042 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1731,8 +1731,6 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n) } } - t = rtnl_dereference(ip6n->tnls_wc[0]); - unregister_netdevice_queue(t->dev, &list); unregister_netdevice_many(&list); } @@ -1752,6 +1750,7 @@ static int __net_init ip6_tnl_init_net(struct net *net) if (!ip6n->fb_tnl_dev) goto err_alloc_dev; dev_net_set(ip6n->fb_tnl_dev, net); + ip6n->fb_tnl_dev->rtnl_link_ops = &ip6_link_ops; /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 096cd67b737..d18f9f903db 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2034,7 +2034,7 @@ static void mld_dad_timer_expire(unsigned long data) if (idev->mc_dad_count) mld_dad_start_timer(idev, idev->mc_maxdelay); } - __in6_dev_put(idev); + in6_dev_put(idev); } static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode, @@ -2379,7 +2379,7 @@ static void mld_gq_timer_expire(unsigned long data) idev->mc_gq_running = 0; mld_send_report(idev, NULL); - __in6_dev_put(idev); + in6_dev_put(idev); } static void mld_ifc_timer_expire(unsigned long data) @@ -2392,7 +2392,7 @@ static void mld_ifc_timer_expire(unsigned long data) if (idev->mc_ifc_count) mld_ifc_start_timer(idev, idev->mc_maxdelay); } - __in6_dev_put(idev); + in6_dev_put(idev); } static void mld_ifc_event(struct inet6_dev *idev) diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c index 19cfea8dbca..2748b042da7 100644 --- a/net/ipv6/netfilter/ip6t_SYNPROXY.c +++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c @@ -282,7 +282,8 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par) if (th == NULL) return NF_DROP; - synproxy_parse_options(skb, par->thoff, th, &opts); + if (!synproxy_parse_options(skb, par->thoff, th, &opts)) + return NF_DROP; if (th->syn && !(th->ack || th->fin || th->rst)) { /* Initial SYN from client */ @@ -372,7 +373,8 @@ static unsigned int ipv6_synproxy_hook(unsigned int hooknum, /* fall through */ case TCP_CONNTRACK_SYN_SENT: - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; if (!th->syn && th->ack && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { @@ -395,7 +397,9 @@ static unsigned int ipv6_synproxy_hook(unsigned int hooknum, if (!th->syn || !th->ack) break; - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; + if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP) synproxy->tsoff = opts.tsval - synproxy->its; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 58916bbb172..a4ed2416399 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -335,8 +335,10 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb, ip6_sk_update_pmtu(skb, sk, info); harderr = (np->pmtudisc == IPV6_PMTUDISC_DO); } - if (type == NDISC_REDIRECT) + if (type == NDISC_REDIRECT) { ip6_sk_redirect(skb, sk); + return; + } if (np->recverr) { u8 *payload = skb->data; if (!inet->hdrincl) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 7ee5cb96db3..19269453a8e 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -566,6 +566,70 @@ static inline bool is_spoofed_6rd(struct ip_tunnel *tunnel, const __be32 v4addr, return false; } +/* Checks if an address matches an address on the tunnel interface. + * Used to detect the NAT of proto 41 packets and let them pass spoofing test. + * Long story: + * This function is called after we considered the packet as spoofed + * in is_spoofed_6rd. + * We may have a router that is doing NAT for proto 41 packets + * for an internal station. Destination a.a.a.a/PREFIX:bbbb:bbbb + * will be translated to n.n.n.n/PREFIX:bbbb:bbbb. And is_spoofed_6rd + * function will return true, dropping the packet. + * But, we can still check if is spoofed against the IP + * addresses associated with the interface. + */ +static bool only_dnatted(const struct ip_tunnel *tunnel, + const struct in6_addr *v6dst) +{ + int prefix_len; + +#ifdef CONFIG_IPV6_SIT_6RD + prefix_len = tunnel->ip6rd.prefixlen + 32 + - tunnel->ip6rd.relay_prefixlen; +#else + prefix_len = 48; +#endif + return ipv6_chk_custom_prefix(v6dst, prefix_len, tunnel->dev); +} + +/* Returns true if a packet is spoofed */ +static bool packet_is_spoofed(struct sk_buff *skb, + const struct iphdr *iph, + struct ip_tunnel *tunnel) +{ + const struct ipv6hdr *ipv6h; + + if (tunnel->dev->priv_flags & IFF_ISATAP) { + if (!isatap_chksrc(skb, iph, tunnel)) + return true; + + return false; + } + + if (tunnel->dev->flags & IFF_POINTOPOINT) + return false; + + ipv6h = ipv6_hdr(skb); + + if (unlikely(is_spoofed_6rd(tunnel, iph->saddr, &ipv6h->saddr))) { + net_warn_ratelimited("Src spoofed %pI4/%pI6c -> %pI4/%pI6c\n", + &iph->saddr, &ipv6h->saddr, + &iph->daddr, &ipv6h->daddr); + return true; + } + + if (likely(!is_spoofed_6rd(tunnel, iph->daddr, &ipv6h->daddr))) + return false; + + if (only_dnatted(tunnel, &ipv6h->daddr)) + return false; + + net_warn_ratelimited("Dst spoofed %pI4/%pI6c -> %pI4/%pI6c\n", + &iph->saddr, &ipv6h->saddr, + &iph->daddr, &ipv6h->daddr); + return true; +} + static int ipip6_rcv(struct sk_buff *skb) { const struct iphdr *iph = ip_hdr(skb); @@ -586,19 +650,9 @@ static int ipip6_rcv(struct sk_buff *skb) IPCB(skb)->flags = 0; skb->protocol = htons(ETH_P_IPV6); - if (tunnel->dev->priv_flags & IFF_ISATAP) { - if (!isatap_chksrc(skb, iph, tunnel)) { - tunnel->dev->stats.rx_errors++; - goto out; - } - } else if (!(tunnel->dev->flags&IFF_POINTOPOINT)) { - if (is_spoofed_6rd(tunnel, iph->saddr, - &ipv6_hdr(skb)->saddr) || - is_spoofed_6rd(tunnel, iph->daddr, - &ipv6_hdr(skb)->daddr)) { - tunnel->dev->stats.rx_errors++; - goto out; - } + if (packet_is_spoofed(skb, iph, tunnel)) { + tunnel->dev->stats.rx_errors++; + goto out; } __skb_tunnel_rx(skb, tunnel->dev, tunnel->net); @@ -748,7 +802,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { - net_dbg_ratelimited("sit: nexthop == NULL\n"); + net_dbg_ratelimited("nexthop == NULL\n"); goto tx_error; } @@ -777,7 +831,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { - net_dbg_ratelimited("sit: nexthop == NULL\n"); + net_dbg_ratelimited("nexthop == NULL\n"); goto tx_error; } @@ -1612,6 +1666,7 @@ static int __net_init sit_init_net(struct net *net) goto err_alloc_dev; } dev_net_set(sitn->fb_tunnel_dev, net); + sitn->fb_tunnel_dev->rtnl_link_ops = &sit_link_ops; /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ @@ -1646,7 +1701,6 @@ static void __net_exit sit_exit_net(struct net *net) rtnl_lock(); sit_destroy_tunnels(sitn, &list); - unregister_netdevice_queue(sitn->fb_tunnel_dev, &list); unregister_netdevice_many(&list); rtnl_unlock(); } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index f4058150262..72b7eaaf3ca 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -525,8 +525,10 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (type == ICMPV6_PKT_TOOBIG) ip6_sk_update_pmtu(skb, sk, info); - if (type == NDISC_REDIRECT) + if (type == NDISC_REDIRECT) { ip6_sk_redirect(skb, sk); + goto out; + } np = inet6_sk(sk); diff --git a/net/lapb/lapb_timer.c b/net/lapb/lapb_timer.c index 54563ad8aeb..355cc3b6fa4 100644 --- a/net/lapb/lapb_timer.c +++ b/net/lapb/lapb_timer.c @@ -154,6 +154,7 @@ static void lapb_t1timer_expiry(unsigned long param) } else { lapb->n2count++; lapb_requeue_frames(lapb); + lapb_kick(lapb); } break; diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 4f69e83ff83..74fd00c2721 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -116,6 +116,7 @@ ip_vs_in_stats(struct ip_vs_conn *cp, struct sk_buff *skb) if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { struct ip_vs_cpu_stats *s; + struct ip_vs_service *svc; s = this_cpu_ptr(dest->stats.cpustats); s->ustats.inpkts++; @@ -123,11 +124,14 @@ ip_vs_in_stats(struct ip_vs_conn *cp, struct sk_buff *skb) s->ustats.inbytes += skb->len; u64_stats_update_end(&s->syncp); - s = this_cpu_ptr(dest->svc->stats.cpustats); + rcu_read_lock(); + svc = rcu_dereference(dest->svc); + s = this_cpu_ptr(svc->stats.cpustats); s->ustats.inpkts++; u64_stats_update_begin(&s->syncp); s->ustats.inbytes += skb->len; u64_stats_update_end(&s->syncp); + rcu_read_unlock(); s = this_cpu_ptr(ipvs->tot_stats.cpustats); s->ustats.inpkts++; @@ -146,6 +150,7 @@ ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb) if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { struct ip_vs_cpu_stats *s; + struct ip_vs_service *svc; s = this_cpu_ptr(dest->stats.cpustats); s->ustats.outpkts++; @@ -153,11 +158,14 @@ ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb) s->ustats.outbytes += skb->len; u64_stats_update_end(&s->syncp); - s = this_cpu_ptr(dest->svc->stats.cpustats); + rcu_read_lock(); + svc = rcu_dereference(dest->svc); + s = this_cpu_ptr(svc->stats.cpustats); s->ustats.outpkts++; u64_stats_update_begin(&s->syncp); s->ustats.outbytes += skb->len; u64_stats_update_end(&s->syncp); + rcu_read_unlock(); s = this_cpu_ptr(ipvs->tot_stats.cpustats); s->ustats.outpkts++; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index c8148e48738..a3df9bddc4f 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -460,7 +460,7 @@ static inline void __ip_vs_bind_svc(struct ip_vs_dest *dest, struct ip_vs_service *svc) { atomic_inc(&svc->refcnt); - dest->svc = svc; + rcu_assign_pointer(dest->svc, svc); } static void ip_vs_service_free(struct ip_vs_service *svc) @@ -470,18 +470,25 @@ static void ip_vs_service_free(struct ip_vs_service *svc) kfree(svc); } -static void -__ip_vs_unbind_svc(struct ip_vs_dest *dest) +static void ip_vs_service_rcu_free(struct rcu_head *head) { - struct ip_vs_service *svc = dest->svc; + struct ip_vs_service *svc; + + svc = container_of(head, struct ip_vs_service, rcu_head); + ip_vs_service_free(svc); +} - dest->svc = NULL; +static void __ip_vs_svc_put(struct ip_vs_service *svc, bool do_delay) +{ if (atomic_dec_and_test(&svc->refcnt)) { IP_VS_DBG_BUF(3, "Removing service %u/%s:%u\n", svc->fwmark, IP_VS_DBG_ADDR(svc->af, &svc->addr), ntohs(svc->port)); - ip_vs_service_free(svc); + if (do_delay) + call_rcu(&svc->rcu_head, ip_vs_service_rcu_free); + else + ip_vs_service_free(svc); } } @@ -667,11 +674,6 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr, IP_VS_DBG_ADDR(svc->af, &dest->addr), ntohs(dest->port), atomic_read(&dest->refcnt)); - /* We can not reuse dest while in grace period - * because conns still can use dest->svc - */ - if (test_bit(IP_VS_DEST_STATE_REMOVING, &dest->state)) - continue; if (dest->af == svc->af && ip_vs_addr_equal(svc->af, &dest->addr, daddr) && dest->port == dport && @@ -697,8 +699,10 @@ out: static void ip_vs_dest_free(struct ip_vs_dest *dest) { + struct ip_vs_service *svc = rcu_dereference_protected(dest->svc, 1); + __ip_vs_dst_cache_reset(dest); - __ip_vs_unbind_svc(dest); + __ip_vs_svc_put(svc, false); free_percpu(dest->stats.cpustats); kfree(dest); } @@ -771,6 +775,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, struct ip_vs_dest_user_kern *udest, int add) { struct netns_ipvs *ipvs = net_ipvs(svc->net); + struct ip_vs_service *old_svc; struct ip_vs_scheduler *sched; int conn_flags; @@ -792,13 +797,14 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, atomic_set(&dest->conn_flags, conn_flags); /* bind the service */ - if (!dest->svc) { + old_svc = rcu_dereference_protected(dest->svc, 1); + if (!old_svc) { __ip_vs_bind_svc(dest, svc); } else { - if (dest->svc != svc) { - __ip_vs_unbind_svc(dest); + if (old_svc != svc) { ip_vs_zero_stats(&dest->stats); __ip_vs_bind_svc(dest, svc); + __ip_vs_svc_put(old_svc, true); } } @@ -998,16 +1004,6 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest) return 0; } -static void ip_vs_dest_wait_readers(struct rcu_head *head) -{ - struct ip_vs_dest *dest = container_of(head, struct ip_vs_dest, - rcu_head); - - /* End of grace period after unlinking */ - clear_bit(IP_VS_DEST_STATE_REMOVING, &dest->state); -} - - /* * Delete a destination (must be already unlinked from the service) */ @@ -1023,20 +1019,16 @@ static void __ip_vs_del_dest(struct net *net, struct ip_vs_dest *dest, */ ip_vs_rs_unhash(dest); - if (!cleanup) { - set_bit(IP_VS_DEST_STATE_REMOVING, &dest->state); - call_rcu(&dest->rcu_head, ip_vs_dest_wait_readers); - } - spin_lock_bh(&ipvs->dest_trash_lock); IP_VS_DBG_BUF(3, "Moving dest %s:%u into trash, dest->refcnt=%d\n", IP_VS_DBG_ADDR(dest->af, &dest->addr), ntohs(dest->port), atomic_read(&dest->refcnt)); if (list_empty(&ipvs->dest_trash) && !cleanup) mod_timer(&ipvs->dest_trash_timer, - jiffies + IP_VS_DEST_TRASH_PERIOD); + jiffies + (IP_VS_DEST_TRASH_PERIOD >> 1)); /* dest lives in trash without reference */ list_add(&dest->t_list, &ipvs->dest_trash); + dest->idle_start = 0; spin_unlock_bh(&ipvs->dest_trash_lock); ip_vs_dest_put(dest); } @@ -1108,24 +1100,30 @@ static void ip_vs_dest_trash_expire(unsigned long data) struct net *net = (struct net *) data; struct netns_ipvs *ipvs = net_ipvs(net); struct ip_vs_dest *dest, *next; + unsigned long now = jiffies; spin_lock(&ipvs->dest_trash_lock); list_for_each_entry_safe(dest, next, &ipvs->dest_trash, t_list) { - /* Skip if dest is in grace period */ - if (test_bit(IP_VS_DEST_STATE_REMOVING, &dest->state)) - continue; if (atomic_read(&dest->refcnt) > 0) continue; + if (dest->idle_start) { + if (time_before(now, dest->idle_start + + IP_VS_DEST_TRASH_PERIOD)) + continue; + } else { + dest->idle_start = max(1UL, now); + continue; + } IP_VS_DBG_BUF(3, "Removing destination %u/%s:%u from trash\n", dest->vfwmark, - IP_VS_DBG_ADDR(dest->svc->af, &dest->addr), + IP_VS_DBG_ADDR(dest->af, &dest->addr), ntohs(dest->port)); list_del(&dest->t_list); ip_vs_dest_free(dest); } if (!list_empty(&ipvs->dest_trash)) mod_timer(&ipvs->dest_trash_timer, - jiffies + IP_VS_DEST_TRASH_PERIOD); + jiffies + (IP_VS_DEST_TRASH_PERIOD >> 1)); spin_unlock(&ipvs->dest_trash_lock); } @@ -1320,14 +1318,6 @@ out: return ret; } -static void ip_vs_service_rcu_free(struct rcu_head *head) -{ - struct ip_vs_service *svc; - - svc = container_of(head, struct ip_vs_service, rcu_head); - ip_vs_service_free(svc); -} - /* * Delete a service from the service list * - The service must be unlinked, unlocked and not referenced! @@ -1376,13 +1366,7 @@ static void __ip_vs_del_service(struct ip_vs_service *svc, bool cleanup) /* * Free the service if nobody refers to it */ - if (atomic_dec_and_test(&svc->refcnt)) { - IP_VS_DBG_BUF(3, "Removing service %u/%s:%u\n", - svc->fwmark, - IP_VS_DBG_ADDR(svc->af, &svc->addr), - ntohs(svc->port)); - call_rcu(&svc->rcu_head, ip_vs_service_rcu_free); - } + __ip_vs_svc_put(svc, true); /* decrease the module use count */ ip_vs_use_count_dec(); diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c index 6bee6d0c73a..1425e9a924c 100644 --- a/net/netfilter/ipvs/ip_vs_est.c +++ b/net/netfilter/ipvs/ip_vs_est.c @@ -59,12 +59,13 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum, struct ip_vs_cpu_stats __percpu *stats) { int i; + bool add = false; for_each_possible_cpu(i) { struct ip_vs_cpu_stats *s = per_cpu_ptr(stats, i); unsigned int start; __u64 inbytes, outbytes; - if (i) { + if (add) { sum->conns += s->ustats.conns; sum->inpkts += s->ustats.inpkts; sum->outpkts += s->ustats.outpkts; @@ -76,6 +77,7 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum, sum->inbytes += inbytes; sum->outbytes += outbytes; } else { + add = true; sum->conns = s->ustats.conns; sum->inpkts = s->ustats.inpkts; sum->outpkts = s->ustats.outpkts; diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c index 1383b0eadc0..eff13c94498 100644 --- a/net/netfilter/ipvs/ip_vs_lblc.c +++ b/net/netfilter/ipvs/ip_vs_lblc.c @@ -93,7 +93,7 @@ struct ip_vs_lblc_entry { struct hlist_node list; int af; /* address family */ union nf_inet_addr addr; /* destination IP address */ - struct ip_vs_dest __rcu *dest; /* real server (cache) */ + struct ip_vs_dest *dest; /* real server (cache) */ unsigned long lastuse; /* last used time */ struct rcu_head rcu_head; }; @@ -130,20 +130,21 @@ static struct ctl_table vs_vars_table[] = { }; #endif -static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en) +static void ip_vs_lblc_rcu_free(struct rcu_head *head) { - struct ip_vs_dest *dest; + struct ip_vs_lblc_entry *en = container_of(head, + struct ip_vs_lblc_entry, + rcu_head); - hlist_del_rcu(&en->list); - /* - * We don't kfree dest because it is referred either by its service - * or the trash dest list. - */ - dest = rcu_dereference_protected(en->dest, 1); - ip_vs_dest_put(dest); - kfree_rcu(en, rcu_head); + ip_vs_dest_put(en->dest); + kfree(en); } +static inline void ip_vs_lblc_del(struct ip_vs_lblc_entry *en) +{ + hlist_del_rcu(&en->list); + call_rcu(&en->rcu_head, ip_vs_lblc_rcu_free); +} /* * Returns hash value for IPVS LBLC entry @@ -203,30 +204,23 @@ ip_vs_lblc_new(struct ip_vs_lblc_table *tbl, const union nf_inet_addr *daddr, struct ip_vs_lblc_entry *en; en = ip_vs_lblc_get(dest->af, tbl, daddr); - if (!en) { - en = kmalloc(sizeof(*en), GFP_ATOMIC); - if (!en) - return NULL; - - en->af = dest->af; - ip_vs_addr_copy(dest->af, &en->addr, daddr); - en->lastuse = jiffies; + if (en) { + if (en->dest == dest) + return en; + ip_vs_lblc_del(en); + } + en = kmalloc(sizeof(*en), GFP_ATOMIC); + if (!en) + return NULL; - ip_vs_dest_hold(dest); - RCU_INIT_POINTER(en->dest, dest); + en->af = dest->af; + ip_vs_addr_copy(dest->af, &en->addr, daddr); + en->lastuse = jiffies; - ip_vs_lblc_hash(tbl, en); - } else { - struct ip_vs_dest *old_dest; + ip_vs_dest_hold(dest); + en->dest = dest; - old_dest = rcu_dereference_protected(en->dest, 1); - if (old_dest != dest) { - ip_vs_dest_put(old_dest); - ip_vs_dest_hold(dest); - /* No ordering constraints for refcnt */ - RCU_INIT_POINTER(en->dest, dest); - } - } + ip_vs_lblc_hash(tbl, en); return en; } @@ -246,7 +240,7 @@ static void ip_vs_lblc_flush(struct ip_vs_service *svc) tbl->dead = 1; for (i=0; i<IP_VS_LBLC_TAB_SIZE; i++) { hlist_for_each_entry_safe(en, next, &tbl->bucket[i], list) { - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); } } @@ -281,7 +275,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc) sysctl_lblc_expiration(svc))) continue; - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); } spin_unlock(&svc->sched_lock); @@ -335,7 +329,7 @@ static void ip_vs_lblc_check_expire(unsigned long data) if (time_before(now, en->lastuse + ENTRY_TIMEOUT)) continue; - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); goal--; } @@ -443,8 +437,8 @@ __ip_vs_lblc_schedule(struct ip_vs_service *svc) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } @@ -511,7 +505,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, * free up entries from the trash at any time. */ - dest = rcu_dereference(en->dest); + dest = en->dest; if ((dest->flags & IP_VS_DEST_F_AVAILABLE) && atomic_read(&dest->weight) > 0 && !is_overloaded(dest, svc)) goto out; @@ -631,7 +625,7 @@ static void __exit ip_vs_lblc_cleanup(void) { unregister_ip_vs_scheduler(&ip_vs_lblc_scheduler); unregister_pernet_subsys(&ip_vs_lblc_ops); - synchronize_rcu(); + rcu_barrier(); } diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c index 5199448697f..0b8550089a2 100644 --- a/net/netfilter/ipvs/ip_vs_lblcr.c +++ b/net/netfilter/ipvs/ip_vs_lblcr.c @@ -89,7 +89,7 @@ */ struct ip_vs_dest_set_elem { struct list_head list; /* list link */ - struct ip_vs_dest __rcu *dest; /* destination server */ + struct ip_vs_dest *dest; /* destination server */ struct rcu_head rcu_head; }; @@ -107,11 +107,7 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, if (check) { list_for_each_entry(e, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - if (d == dest) - /* already existed */ + if (e->dest == dest) return; } } @@ -121,7 +117,7 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, return; ip_vs_dest_hold(dest); - RCU_INIT_POINTER(e->dest, dest); + e->dest = dest; list_add_rcu(&e->list, &set->list); atomic_inc(&set->size); @@ -129,22 +125,27 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, set->lastmod = jiffies; } +static void ip_vs_lblcr_elem_rcu_free(struct rcu_head *head) +{ + struct ip_vs_dest_set_elem *e; + + e = container_of(head, struct ip_vs_dest_set_elem, rcu_head); + ip_vs_dest_put(e->dest); + kfree(e); +} + static void ip_vs_dest_set_erase(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) { struct ip_vs_dest_set_elem *e; list_for_each_entry(e, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - if (d == dest) { + if (e->dest == dest) { /* HIT */ atomic_dec(&set->size); set->lastmod = jiffies; - ip_vs_dest_put(dest); list_del_rcu(&e->list); - kfree_rcu(e, rcu_head); + call_rcu(&e->rcu_head, ip_vs_lblcr_elem_rcu_free); break; } } @@ -155,16 +156,8 @@ static void ip_vs_dest_set_eraseall(struct ip_vs_dest_set *set) struct ip_vs_dest_set_elem *e, *ep; list_for_each_entry_safe(e, ep, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - /* - * We don't kfree dest because it is referred either - * by its service or by the trash dest list. - */ - ip_vs_dest_put(d); list_del_rcu(&e->list); - kfree_rcu(e, rcu_head); + call_rcu(&e->rcu_head, ip_vs_lblcr_elem_rcu_free); } } @@ -175,12 +168,9 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) struct ip_vs_dest *dest, *least; int loh, doh; - if (set == NULL) - return NULL; - /* select the first destination server, whose weight > 0 */ list_for_each_entry_rcu(e, &set->list, list) { - least = rcu_dereference(e->dest); + least = e->dest; if (least->flags & IP_VS_DEST_F_OVERLOAD) continue; @@ -195,13 +185,13 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) /* find the destination with the weighted least load */ nextstage: list_for_each_entry_continue_rcu(e, &set->list, list) { - dest = rcu_dereference(e->dest); + dest = e->dest; if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_dest_conn_overhead(dest); - if ((loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) + if (((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { least = dest; loh = doh; @@ -232,7 +222,7 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) /* select the first destination server, whose weight > 0 */ list_for_each_entry(e, &set->list, list) { - most = rcu_dereference_protected(e->dest, 1); + most = e->dest; if (atomic_read(&most->weight) > 0) { moh = ip_vs_dest_conn_overhead(most); goto nextstage; @@ -243,11 +233,11 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) /* find the destination with the weighted most load */ nextstage: list_for_each_entry_continue(e, &set->list, list) { - dest = rcu_dereference_protected(e->dest, 1); + dest = e->dest; doh = ip_vs_dest_conn_overhead(dest); /* moh/mw < doh/dw ==> moh*dw < doh*mw, where mw,dw>0 */ - if ((moh * atomic_read(&dest->weight) < - doh * atomic_read(&most->weight)) + if (((__s64)moh * atomic_read(&dest->weight) < + (__s64)doh * atomic_read(&most->weight)) && (atomic_read(&dest->weight) > 0)) { most = dest; moh = doh; @@ -611,8 +601,8 @@ __ip_vs_lblcr_schedule(struct ip_vs_service *svc) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } @@ -819,7 +809,7 @@ static void __exit ip_vs_lblcr_cleanup(void) { unregister_ip_vs_scheduler(&ip_vs_lblcr_scheduler); unregister_pernet_subsys(&ip_vs_lblcr_ops); - synchronize_rcu(); + rcu_barrier(); } diff --git a/net/netfilter/ipvs/ip_vs_nq.c b/net/netfilter/ipvs/ip_vs_nq.c index d8d9860934f..961a6de9bb2 100644 --- a/net/netfilter/ipvs/ip_vs_nq.c +++ b/net/netfilter/ipvs/ip_vs_nq.c @@ -40,7 +40,7 @@ #include <net/ip_vs.h> -static inline unsigned int +static inline int ip_vs_nq_dest_overhead(struct ip_vs_dest *dest) { /* @@ -59,7 +59,7 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least = NULL; - unsigned int loh = 0, doh; + int loh = 0, doh; IP_VS_DBG(6, "%s(): Scheduling...\n", __func__); @@ -92,8 +92,8 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, } if (!least || - (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight))) { + ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight))) { least = dest; loh = doh; } diff --git a/net/netfilter/ipvs/ip_vs_sed.c b/net/netfilter/ipvs/ip_vs_sed.c index a5284cc3d88..e446b9fa742 100644 --- a/net/netfilter/ipvs/ip_vs_sed.c +++ b/net/netfilter/ipvs/ip_vs_sed.c @@ -44,7 +44,7 @@ #include <net/ip_vs.h> -static inline unsigned int +static inline int ip_vs_sed_dest_overhead(struct ip_vs_dest *dest) { /* @@ -63,7 +63,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least; - unsigned int loh, doh; + int loh, doh; IP_VS_DBG(6, "%s(): Scheduling...\n", __func__); @@ -99,8 +99,8 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_sed_dest_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } diff --git a/net/netfilter/ipvs/ip_vs_wlc.c b/net/netfilter/ipvs/ip_vs_wlc.c index 6dc1fa12884..b5b4650d50a 100644 --- a/net/netfilter/ipvs/ip_vs_wlc.c +++ b/net/netfilter/ipvs/ip_vs_wlc.c @@ -35,7 +35,7 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least; - unsigned int loh, doh; + int loh, doh; IP_VS_DBG(6, "ip_vs_wlc_schedule(): Scheduling...\n"); @@ -71,8 +71,8 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index 6fd967c6278..cdf4567ba9b 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -24,7 +24,7 @@ int synproxy_net_id; EXPORT_SYMBOL_GPL(synproxy_net_id); -void +bool synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, const struct tcphdr *th, struct synproxy_options *opts) { @@ -32,7 +32,8 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, u8 buf[40], *ptr; ptr = skb_header_pointer(skb, doff + sizeof(*th), length, buf); - BUG_ON(ptr == NULL); + if (ptr == NULL) + return false; opts->options = 0; while (length > 0) { @@ -41,16 +42,16 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, switch (opcode) { case TCPOPT_EOL: - return; + return true; case TCPOPT_NOP: length--; continue; default: opsize = *ptr++; if (opsize < 2) - return; + return true; if (opsize > length) - return; + return true; switch (opcode) { case TCPOPT_MSS: @@ -84,6 +85,7 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, length -= opsize; } } + return true; } EXPORT_SYMBOL_GPL(synproxy_parse_options); diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index 32ad015ee8c..a2fef8b10b9 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -285,7 +285,7 @@ static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q) /* remove one skb from head of flow queue */ -static struct sk_buff *fq_dequeue_head(struct fq_flow *flow) +static struct sk_buff *fq_dequeue_head(struct Qdisc *sch, struct fq_flow *flow) { struct sk_buff *skb = flow->head; @@ -293,6 +293,8 @@ static struct sk_buff *fq_dequeue_head(struct fq_flow *flow) flow->head = skb->next; skb->next = NULL; flow->qlen--; + sch->qstats.backlog -= qdisc_pkt_len(skb); + sch->q.qlen--; } return skb; } @@ -418,8 +420,9 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch) struct fq_flow_head *head; struct sk_buff *skb; struct fq_flow *f; + u32 rate; - skb = fq_dequeue_head(&q->internal); + skb = fq_dequeue_head(sch, &q->internal); if (skb) goto out; fq_check_throttled(q, now); @@ -449,7 +452,7 @@ begin: goto begin; } - skb = fq_dequeue_head(f); + skb = fq_dequeue_head(sch, f); if (!skb) { head->first = f->next; /* force a pass through old_flows to prevent starvation */ @@ -466,43 +469,74 @@ begin: f->time_next_packet = now; f->credit -= qdisc_pkt_len(skb); - if (f->credit <= 0 && - q->rate_enable && - skb->sk && skb->sk->sk_state != TCP_TIME_WAIT) { - u32 rate = skb->sk->sk_pacing_rate ?: q->flow_default_rate; + if (f->credit > 0 || !q->rate_enable) + goto out; - rate = min(rate, q->flow_max_rate); - if (rate) { - u64 len = (u64)qdisc_pkt_len(skb) * NSEC_PER_SEC; - - do_div(len, rate); - /* Since socket rate can change later, - * clamp the delay to 125 ms. - * TODO: maybe segment the too big skb, as in commit - * e43ac79a4bc ("sch_tbf: segment too big GSO packets") - */ - if (unlikely(len > 125 * NSEC_PER_MSEC)) { - len = 125 * NSEC_PER_MSEC; - q->stat_pkts_too_long++; - } + if (skb->sk && skb->sk->sk_state != TCP_TIME_WAIT) { + rate = skb->sk->sk_pacing_rate ?: q->flow_default_rate; - f->time_next_packet = now + len; + rate = min(rate, q->flow_max_rate); + } else { + rate = q->flow_max_rate; + if (rate == ~0U) + goto out; + } + if (rate) { + u32 plen = max(qdisc_pkt_len(skb), q->quantum); + u64 len = (u64)plen * NSEC_PER_SEC; + + do_div(len, rate); + /* Since socket rate can change later, + * clamp the delay to 125 ms. + * TODO: maybe segment the too big skb, as in commit + * e43ac79a4bc ("sch_tbf: segment too big GSO packets") + */ + if (unlikely(len > 125 * NSEC_PER_MSEC)) { + len = 125 * NSEC_PER_MSEC; + q->stat_pkts_too_long++; } + + f->time_next_packet = now + len; } out: - sch->qstats.backlog -= qdisc_pkt_len(skb); qdisc_bstats_update(sch, skb); - sch->q.qlen--; qdisc_unthrottled(sch); return skb; } static void fq_reset(struct Qdisc *sch) { + struct fq_sched_data *q = qdisc_priv(sch); + struct rb_root *root; struct sk_buff *skb; + struct rb_node *p; + struct fq_flow *f; + unsigned int idx; - while ((skb = fq_dequeue(sch)) != NULL) + while ((skb = fq_dequeue_head(sch, &q->internal)) != NULL) kfree_skb(skb); + + if (!q->fq_root) + return; + + for (idx = 0; idx < (1U << q->fq_trees_log); idx++) { + root = &q->fq_root[idx]; + while ((p = rb_first(root)) != NULL) { + f = container_of(p, struct fq_flow, fq_node); + rb_erase(p, root); + + while ((skb = fq_dequeue_head(sch, f)) != NULL) + kfree_skb(skb); + + kmem_cache_free(fq_flow_cachep, f); + } + } + q->new_flows.first = NULL; + q->old_flows.first = NULL; + q->delayed = RB_ROOT; + q->flows = 0; + q->inactive_flows = 0; + q->throttled_flows = 0; } static void fq_rehash(struct fq_sched_data *q, @@ -645,6 +679,8 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) while (sch->q.qlen > sch->limit) { struct sk_buff *skb = fq_dequeue(sch); + if (!skb) + break; kfree_skb(skb); drop_count++; } @@ -657,21 +693,9 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) static void fq_destroy(struct Qdisc *sch) { struct fq_sched_data *q = qdisc_priv(sch); - struct rb_root *root; - struct rb_node *p; - unsigned int idx; - if (q->fq_root) { - for (idx = 0; idx < (1U << q->fq_trees_log); idx++) { - root = &q->fq_root[idx]; - while ((p = rb_first(root)) != NULL) { - rb_erase(p, root); - kmem_cache_free(fq_flow_cachep, - container_of(p, struct fq_flow, fq_node)); - } - } - kfree(q->fq_root); - } + fq_reset(sch); + kfree(q->fq_root); qdisc_watchdog_cancel(&q->watchdog); } diff --git a/net/sysctl_net.c b/net/sysctl_net.c index 9bc6db04be3..e7000be321b 100644 --- a/net/sysctl_net.c +++ b/net/sysctl_net.c @@ -47,12 +47,12 @@ static int net_ctl_permissions(struct ctl_table_header *head, /* Allow network administrator to have same access as root. */ if (ns_capable(net->user_ns, CAP_NET_ADMIN) || - uid_eq(root_uid, current_uid())) { + uid_eq(root_uid, current_euid())) { int mode = (table->mode >> 6) & 7; return (mode << 6) | (mode << 3) | mode; } /* Allow netns root group to have the same access as the root group */ - if (gid_eq(root_gid, current_gid())) { + if (in_egroup_p(root_gid)) { int mode = (table->mode >> 3) & 7; return (mode << 3) | mode; } diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 47016c304c8..66cad506b8a 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3975,8 +3975,8 @@ sub string_find_replace { # check for new externs in .h files. if ($realfile =~ /\.h$/ && $line =~ /^\+\s*(extern\s+)$Type\s*$Ident\s*\(/s) { - if (WARN("AVOID_EXTERNS", - "extern prototypes should be avoided in .h files\n" . $herecurr) && + if (CHK("AVOID_EXTERNS", + "extern prototypes should be avoided in .h files\n" . $herecurr) && $fix) { $fixed[$linenr - 1] =~ s/(.*)\bextern\b\s*(.*)/$1$2/; } diff --git a/security/apparmor/crypto.c b/security/apparmor/crypto.c index d6222ba4e91..532471d0b3a 100644 --- a/security/apparmor/crypto.c +++ b/security/apparmor/crypto.c @@ -15,14 +15,14 @@ * it should be. */ -#include <linux/crypto.h> +#include <crypto/hash.h> #include "include/apparmor.h" #include "include/crypto.h" static unsigned int apparmor_hash_size; -static struct crypto_hash *apparmor_tfm; +static struct crypto_shash *apparmor_tfm; unsigned int aa_hash_size(void) { @@ -32,35 +32,33 @@ unsigned int aa_hash_size(void) int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start, size_t len) { - struct scatterlist sg[2]; - struct hash_desc desc = { - .tfm = apparmor_tfm, - .flags = 0 - }; + struct { + struct shash_desc shash; + char ctx[crypto_shash_descsize(apparmor_tfm)]; + } desc; int error = -ENOMEM; u32 le32_version = cpu_to_le32(version); if (!apparmor_tfm) return 0; - sg_init_table(sg, 2); - sg_set_buf(&sg[0], &le32_version, 4); - sg_set_buf(&sg[1], (u8 *) start, len); - profile->hash = kzalloc(apparmor_hash_size, GFP_KERNEL); if (!profile->hash) goto fail; - error = crypto_hash_init(&desc); + desc.shash.tfm = apparmor_tfm; + desc.shash.flags = 0; + + error = crypto_shash_init(&desc.shash); if (error) goto fail; - error = crypto_hash_update(&desc, &sg[0], 4); + error = crypto_shash_update(&desc.shash, (u8 *) &le32_version, 4); if (error) goto fail; - error = crypto_hash_update(&desc, &sg[1], len); + error = crypto_shash_update(&desc.shash, (u8 *) start, len); if (error) goto fail; - error = crypto_hash_final(&desc, profile->hash); + error = crypto_shash_final(&desc.shash, profile->hash); if (error) goto fail; @@ -75,19 +73,19 @@ fail: static int __init init_profile_hash(void) { - struct crypto_hash *tfm; + struct crypto_shash *tfm; if (!apparmor_initialized) return 0; - tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { int error = PTR_ERR(tfm); AA_ERROR("failed to setup profile sha1 hashing: %d\n", error); return error; } apparmor_tfm = tfm; - apparmor_hash_size = crypto_hash_digestsize(apparmor_tfm); + apparmor_hash_size = crypto_shash_digestsize(apparmor_tfm); aa_info_message("AppArmor sha1 policy hashing enabled"); diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h index f2d4b6348cb..c28b0f20ab5 100644 --- a/security/apparmor/include/policy.h +++ b/security/apparmor/include/policy.h @@ -360,7 +360,9 @@ static inline void aa_put_replacedby(struct aa_replacedby *p) static inline void __aa_update_replacedby(struct aa_profile *orig, struct aa_profile *new) { - struct aa_profile *tmp = rcu_dereference(orig->replacedby->profile); + struct aa_profile *tmp; + tmp = rcu_dereference_protected(orig->replacedby->profile, + mutex_is_locked(&orig->ns->lock)); rcu_assign_pointer(orig->replacedby->profile, aa_get_profile(new)); orig->flags |= PFLAG_INVALID; aa_put_profile(tmp); diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 6172509fa2b..345bec07a27 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -563,7 +563,8 @@ void __init aa_free_root_ns(void) static void free_replacedby(struct aa_replacedby *r) { if (r) { - aa_put_profile(rcu_dereference(r->profile)); + /* r->profile will not be updated any more as r is dead */ + aa_put_profile(rcu_dereference_protected(r->profile, true)); kzfree(r); } } diff --git a/security/selinux/avc.c b/security/selinux/avc.c index dad36a6ab45..fc3e6628a86 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -746,7 +746,6 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid, * @tclass: target security class * @requested: requested permissions, interpreted based on @tclass * @auditdata: auxiliary audit data - * @flags: VFS walk flags * * Check the AVC to determine whether the @requested permissions are granted * for the SID pair (@ssid, @tsid), interpreting the permissions @@ -756,17 +755,15 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid, * permissions are granted, -%EACCES if any permissions are denied, or * another -errno upon other errors. */ -int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass, - u32 requested, struct common_audit_data *auditdata, - unsigned flags) +int avc_has_perm(u32 ssid, u32 tsid, u16 tclass, + u32 requested, struct common_audit_data *auditdata) { struct av_decision avd; int rc, rc2; rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd); - rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata, - flags); + rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata); if (rc2) return rc2; return rc; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index a5091ec06aa..5b523106851 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1502,7 +1502,7 @@ static int cred_has_capability(const struct cred *cred, rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd); if (audit == SECURITY_CAP_AUDIT) { - int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0); + int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad); if (rc2) return rc2; } @@ -1525,8 +1525,7 @@ static int task_has_system(struct task_struct *tsk, static int inode_has_perm(const struct cred *cred, struct inode *inode, u32 perms, - struct common_audit_data *adp, - unsigned flags) + struct common_audit_data *adp) { struct inode_security_struct *isec; u32 sid; @@ -1539,7 +1538,7 @@ static int inode_has_perm(const struct cred *cred, sid = cred_sid(cred); isec = inode->i_security; - return avc_has_perm_flags(sid, isec->sid, isec->sclass, perms, adp, flags); + return avc_has_perm(sid, isec->sid, isec->sclass, perms, adp); } /* Same as inode_has_perm, but pass explicit audit data containing @@ -1554,7 +1553,7 @@ static inline int dentry_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_DENTRY; ad.u.dentry = dentry; - return inode_has_perm(cred, inode, av, &ad, 0); + return inode_has_perm(cred, inode, av, &ad); } /* Same as inode_has_perm, but pass explicit audit data containing @@ -1569,7 +1568,7 @@ static inline int path_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_PATH; ad.u.path = *path; - return inode_has_perm(cred, inode, av, &ad, 0); + return inode_has_perm(cred, inode, av, &ad); } /* Same as path_has_perm, but uses the inode from the file struct. */ @@ -1581,7 +1580,7 @@ static inline int file_path_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_PATH; ad.u.path = file->f_path; - return inode_has_perm(cred, file_inode(file), av, &ad, 0); + return inode_has_perm(cred, file_inode(file), av, &ad); } /* Check whether a task can use an open file descriptor to @@ -1617,7 +1616,7 @@ static int file_has_perm(const struct cred *cred, /* av is zero if only checking access to the descriptor. */ rc = 0; if (av) - rc = inode_has_perm(cred, inode, av, &ad, 0); + rc = inode_has_perm(cred, inode, av, &ad); out: return rc; diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h index 92d0ab561db..f53ee3c58d0 100644 --- a/security/selinux/include/avc.h +++ b/security/selinux/include/avc.h @@ -130,7 +130,7 @@ static inline int avc_audit(u32 ssid, u32 tsid, u16 tclass, u32 requested, struct av_decision *avd, int result, - struct common_audit_data *a, unsigned flags) + struct common_audit_data *a) { u32 audited, denied; audited = avc_audit_required(requested, avd, result, 0, &denied); @@ -138,7 +138,7 @@ static inline int avc_audit(u32 ssid, u32 tsid, return 0; return slow_avc_audit(ssid, tsid, tclass, requested, audited, denied, - a, flags); + a, 0); } #define AVC_STRICT 1 /* Ignore permissive mode. */ @@ -147,17 +147,9 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid, unsigned flags, struct av_decision *avd); -int avc_has_perm_flags(u32 ssid, u32 tsid, - u16 tclass, u32 requested, - struct common_audit_data *auditdata, - unsigned); - -static inline int avc_has_perm(u32 ssid, u32 tsid, - u16 tclass, u32 requested, - struct common_audit_data *auditdata) -{ - return avc_has_perm_flags(ssid, tsid, tclass, requested, auditdata, 0); -} +int avc_has_perm(u32 ssid, u32 tsid, + u16 tclass, u32 requested, + struct common_audit_data *auditdata); u32 avc_policy_seqno(void); diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 98969541cbc..bea523a5d85 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -139,6 +139,18 @@ static int snd_compr_open(struct inode *inode, struct file *f) static int snd_compr_free(struct inode *inode, struct file *f) { struct snd_compr_file *data = f->private_data; + struct snd_compr_runtime *runtime = data->stream.runtime; + + switch (runtime->state) { + case SNDRV_PCM_STATE_RUNNING: + case SNDRV_PCM_STATE_DRAINING: + case SNDRV_PCM_STATE_PAUSED: + data->stream.ops->trigger(&data->stream, SNDRV_PCM_TRIGGER_STOP); + break; + default: + break; + } + data->stream.ops->free(&data->stream); kfree(data->stream.runtime->buffer); kfree(data->stream.runtime); @@ -837,7 +849,8 @@ static int snd_compress_dev_disconnect(struct snd_device *device) struct snd_compr *compr; compr = device->device_data; - snd_unregister_device(compr->direction, compr->card, compr->device); + snd_unregister_device(SNDRV_DEVICE_TYPE_COMPRESS, compr->card, + compr->device); return 0; } diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 445ca481d8d..bf578ba2677 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -175,6 +175,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] +{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index b524f89a1f1..18d97250158 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -111,6 +111,9 @@ enum { /* 0x0009 - 0x0014 -> 12 test regs */ /* 0x0015 - visibility reg */ +/* Cirrus Logic CS4208 */ +#define CS4208_VENDOR_NID 0x24 + /* * Cirrus Logic CS4210 * @@ -223,6 +226,16 @@ static const struct hda_verb cs_coef_init_verbs[] = { {} /* terminator */ }; +static const struct hda_verb cs4208_coef_init_verbs[] = { + {0x01, AC_VERB_SET_POWER_STATE, 0x00}, /* AFG: D0 */ + {0x24, AC_VERB_SET_PROC_STATE, 0x01}, /* VPW: processing on */ + {0x24, AC_VERB_SET_COEF_INDEX, 0x0033}, + {0x24, AC_VERB_SET_PROC_COEF, 0x0001}, /* A1 ICS */ + {0x24, AC_VERB_SET_COEF_INDEX, 0x0034}, + {0x24, AC_VERB_SET_PROC_COEF, 0x1C01}, /* A1 Enable, A Thresh = 300mV */ + {} /* terminator */ +}; + /* Errata: CS4207 rev C0/C1/C2 Silicon * * http://www.cirrus.com/en/pubs/errata/ER880C3.pdf @@ -295,6 +308,8 @@ static int cs_init(struct hda_codec *codec) /* init_verb sequence for C0/C1/C2 errata*/ snd_hda_sequence_write(codec, cs_errata_init_verbs); snd_hda_sequence_write(codec, cs_coef_init_verbs); + } else if (spec->vendor_nid == CS4208_VENDOR_NID) { + snd_hda_sequence_write(codec, cs4208_coef_init_verbs); } snd_hda_gen_init(codec); @@ -434,6 +449,29 @@ static const struct hda_pintbl mba42_pincfgs[] = { {} /* terminator */ }; +static const struct hda_pintbl mba6_pincfgs[] = { + { 0x10, 0x032120f0 }, /* HP */ + { 0x11, 0x500000f0 }, + { 0x12, 0x90100010 }, /* Speaker */ + { 0x13, 0x500000f0 }, + { 0x14, 0x500000f0 }, + { 0x15, 0x770000f0 }, + { 0x16, 0x770000f0 }, + { 0x17, 0x430000f0 }, + { 0x18, 0x43ab9030 }, /* Mic */ + { 0x19, 0x770000f0 }, + { 0x1a, 0x770000f0 }, + { 0x1b, 0x770000f0 }, + { 0x1c, 0x90a00090 }, + { 0x1d, 0x500000f0 }, + { 0x1e, 0x500000f0 }, + { 0x1f, 0x500000f0 }, + { 0x20, 0x500000f0 }, + { 0x21, 0x430000f0 }, + { 0x22, 0x430000f0 }, + {} /* terminator */ +}; + static void cs420x_fixup_gpio_13(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -556,22 +594,23 @@ static int patch_cs420x(struct hda_codec *codec) /* * CS4208 support: - * Its layout is no longer compatible with CS4206/CS4207, and the generic - * parser seems working fairly well, except for trivial fixups. + * Its layout is no longer compatible with CS4206/CS4207 */ enum { + CS4208_MBA6, CS4208_GPIO0, }; static const struct hda_model_fixup cs4208_models[] = { { .id = CS4208_GPIO0, .name = "gpio0" }, + { .id = CS4208_MBA6, .name = "mba6" }, {} }; static const struct snd_pci_quirk cs4208_fixup_tbl[] = { /* codec SSID */ - SND_PCI_QUIRK(0x106b, 0x7100, "MacBookPro 6,1", CS4208_GPIO0), - SND_PCI_QUIRK(0x106b, 0x7200, "MacBookPro 6,2", CS4208_GPIO0), + SND_PCI_QUIRK(0x106b, 0x7100, "MacBookAir 6,1", CS4208_MBA6), + SND_PCI_QUIRK(0x106b, 0x7200, "MacBookAir 6,2", CS4208_MBA6), {} /* terminator */ }; @@ -588,18 +627,35 @@ static void cs4208_fixup_gpio0(struct hda_codec *codec, } static const struct hda_fixup cs4208_fixups[] = { + [CS4208_MBA6] = { + .type = HDA_FIXUP_PINS, + .v.pins = mba6_pincfgs, + .chained = true, + .chain_id = CS4208_GPIO0, + }, [CS4208_GPIO0] = { .type = HDA_FIXUP_FUNC, .v.func = cs4208_fixup_gpio0, }, }; +/* correct the 0dB offset of input pins */ +static void cs4208_fix_amp_caps(struct hda_codec *codec, hda_nid_t adc) +{ + unsigned int caps; + + caps = query_amp_caps(codec, adc, HDA_INPUT); + caps &= ~(AC_AMPCAP_OFFSET); + caps |= 0x02; + snd_hda_override_amp_caps(codec, adc, HDA_INPUT, caps); +} + static int patch_cs4208(struct hda_codec *codec) { struct cs_spec *spec; int err; - spec = cs_alloc_spec(codec, 0); /* no specific w/a */ + spec = cs_alloc_spec(codec, CS4208_VENDOR_NID); if (!spec) return -ENOMEM; @@ -609,6 +665,12 @@ static int patch_cs4208(struct hda_codec *codec) cs4208_fixups); snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE); + snd_hda_override_wcaps(codec, 0x18, + get_wcaps(codec, 0x18) | AC_WCAP_STEREO); + cs4208_fix_amp_caps(codec, 0x18); + cs4208_fix_amp_caps(codec, 0x1b); + cs4208_fix_amp_caps(codec, 0x1c); + err = cs_parse_auto_config(codec); if (err < 0) goto error; diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 4edd2d0f9a3..ec68eaea033 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3231,6 +3231,7 @@ enum { CXT_FIXUP_INC_MIC_BOOST, CXT_FIXUP_HEADPHONE_MIC_PIN, CXT_FIXUP_HEADPHONE_MIC, + CXT_FIXUP_GPIO1, }; static void cxt_fixup_stereo_dmic(struct hda_codec *codec, @@ -3375,6 +3376,15 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_headphone_mic, }, + [CXT_FIXUP_GPIO1] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x01 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01 }, + { 0x01, AC_VERB_SET_GPIO_DATA, 0x01 }, + { } + }, + }, }; static const struct snd_pci_quirk cxt5051_fixups[] = { @@ -3384,6 +3394,7 @@ static const struct snd_pci_quirk cxt5051_fixups[] = { static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), + SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_GPIO1), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410), diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 3d8cd04455a..7ea0245fc6b 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1149,32 +1149,43 @@ static int hdmi_choose_cvt(struct hda_codec *codec, } static void haswell_config_cvts(struct hda_codec *codec, - int pin_id, int mux_id) + hda_nid_t pin_nid, int mux_idx) { struct hdmi_spec *spec = codec->spec; - struct hdmi_spec_per_pin *per_pin; - int pin_idx, mux_idx; - int curr; - int err; + hda_nid_t nid, end_nid; + int cvt_idx, curr; + struct hdmi_spec_per_cvt *per_cvt; - for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { - per_pin = get_pin(spec, pin_idx); + /* configure all pins, including "no physical connection" ones */ + end_nid = codec->start_nid + codec->num_nodes; + for (nid = codec->start_nid; nid < end_nid; nid++) { + unsigned int wid_caps = get_wcaps(codec, nid); + unsigned int wid_type = get_wcaps_type(wid_caps); - if (pin_idx == pin_id) + if (wid_type != AC_WID_PIN) continue; - curr = snd_hda_codec_read(codec, per_pin->pin_nid, 0, + if (nid == pin_nid) + continue; + + curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0); + if (curr != mux_idx) + continue; - /* Choose another unused converter */ - if (curr == mux_id) { - err = hdmi_choose_cvt(codec, pin_idx, NULL, &mux_idx); - if (err < 0) - return; - snd_printdd("HDMI: choose converter %d for pin %d\n", mux_idx, pin_idx); - snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, + /* choose an unassigned converter. The conveters in the + * connection list are in the same order as in the codec. + */ + for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { + per_cvt = get_cvt(spec, cvt_idx); + if (!per_cvt->assigned) { + snd_printdd("choose cvt %d for pin nid %d\n", + cvt_idx, nid); + snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, - mux_idx); + cvt_idx); + break; + } } } } @@ -1216,7 +1227,7 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, /* configure unused pins to choose other converters */ if (is_haswell(codec)) - haswell_config_cvts(codec, pin_idx, mux_idx); + haswell_config_cvts(codec, per_pin->pin_nid, mux_idx); snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index bc07d369fac..0e303b99a47 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3439,6 +3439,9 @@ static void alc283_fixup_chromebook(struct hda_codec *codec, /* Set to manual mode */ val = alc_read_coef_idx(codec, 0x06); alc_write_coef_idx(codec, 0x06, val & ~0x000c); + /* Enable Line1 input control by verb */ + val = alc_read_coef_idx(codec, 0x1a); + alc_write_coef_idx(codec, 0x1a, val | (1 << 4)); break; } } @@ -3531,6 +3534,7 @@ enum { ALC269VB_FIXUP_ORDISSIMO_EVE2, ALC283_FIXUP_CHROME_BOOK, ALC282_FIXUP_ASUS_TX300, + ALC283_FIXUP_INT_MIC, }; static const struct hda_fixup alc269_fixups[] = { @@ -3790,6 +3794,16 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc282_fixup_asus_tx300, }, + [ALC283_FIXUP_INT_MIC] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + {0x20, AC_VERB_SET_COEF_INDEX, 0x1a}, + {0x20, AC_VERB_SET_PROC_COEF, 0x0011}, + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -3874,7 +3888,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), - SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), + SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x5026, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K), diff --git a/sound/soc/blackfin/bf6xx-i2s.c b/sound/soc/blackfin/bf6xx-i2s.c index c02405cc007..5810a0603f2 100644 --- a/sound/soc/blackfin/bf6xx-i2s.c +++ b/sound/soc/blackfin/bf6xx-i2s.c @@ -88,6 +88,7 @@ static int bfin_i2s_hw_params(struct snd_pcm_substream *substream, case SNDRV_PCM_FORMAT_S8: param.spctl |= 0x70; sport->wdsize = 1; + break; case SNDRV_PCM_FORMAT_S16_LE: param.spctl |= 0xf0; sport->wdsize = 2; diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c index 8af04343cc1..259d1ac4492 100644 --- a/sound/soc/codecs/88pm860x-codec.c +++ b/sound/soc/codecs/88pm860x-codec.c @@ -349,6 +349,9 @@ static int snd_soc_put_volsw_2r_st(struct snd_kcontrol *kcontrol, val = ucontrol->value.integer.value[0]; val2 = ucontrol->value.integer.value[1]; + if (val >= ARRAY_SIZE(st_table) || val2 >= ARRAY_SIZE(st_table)) + return -EINVAL; + err = snd_soc_update_bits(codec, reg, 0x3f, st_table[val].m); if (err < 0) return err; diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index b8ba0adacfc..80555d7551e 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -1225,13 +1225,18 @@ static int anc_status_control_put(struct snd_kcontrol *kcontrol, struct ab8500_codec_drvdata *drvdata = dev_get_drvdata(codec->dev); struct device *dev = codec->dev; bool apply_fir, apply_iir; - int req, status; + unsigned int req; + int status; dev_dbg(dev, "%s: Enter.\n", __func__); mutex_lock(&drvdata->anc_lock); req = ucontrol->value.integer.value[0]; + if (req >= ARRAY_SIZE(enum_anc_state)) { + status = -EINVAL; + goto cleanup; + } if (req != ANC_APPLY_FIR_IIR && req != ANC_APPLY_FIR && req != ANC_APPLY_IIR) { dev_err(dev, "%s: ERROR: Unsupported status to set '%s'!\n", diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c index 41cdd164297..8dbcacd44e6 100644 --- a/sound/soc/codecs/max98095.c +++ b/sound/soc/codecs/max98095.c @@ -1863,7 +1863,7 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_eq_channel(kcontrol->id.name); struct max98095_cdata *cdata; - int sel = ucontrol->value.integer.value[0]; + unsigned int sel = ucontrol->value.integer.value[0]; struct max98095_eq_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; @@ -2016,7 +2016,7 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_bq_channel(codec, kcontrol->id.name); struct max98095_cdata *cdata; - int sel = ucontrol->value.integer.value[0]; + unsigned int sel = ucontrol->value.integer.value[0]; struct max98095_biquad_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c index 46c5b4fdfc5..ca1be1d9dcf 100644 --- a/sound/soc/fsl/imx-sgtl5000.c +++ b/sound/soc/fsl/imx-sgtl5000.c @@ -62,7 +62,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) struct device_node *ssi_np, *codec_np; struct platform_device *ssi_pdev; struct i2c_client *codec_dev; - struct imx_sgtl5000_data *data; + struct imx_sgtl5000_data *data = NULL; int int_port, ext_port; int ret; @@ -128,7 +128,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) goto fail; } - data->codec_clk = devm_clk_get(&codec_dev->dev, NULL); + data->codec_clk = clk_get(&codec_dev->dev, NULL); if (IS_ERR(data->codec_clk)) { ret = PTR_ERR(data->codec_clk); goto fail; @@ -172,6 +172,8 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) return 0; fail: + if (data && !IS_ERR(data->codec_clk)) + clk_put(data->codec_clk); if (ssi_np) of_node_put(ssi_np); if (codec_np) @@ -185,6 +187,7 @@ static int imx_sgtl5000_remove(struct platform_device *pdev) struct imx_sgtl5000_data *data = platform_get_drvdata(pdev); snd_soc_unregister_card(&data->card); + clk_put(data->codec_clk); return 0; } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4d0561312f3..1a38be0d0ca 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1380,7 +1380,6 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) return -ENODEV; list_add(&cpu_dai->dapm.list, &card->dapm_list); - snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); } if (cpu_dai->driver->probe) { diff --git a/tools/lib/lk/debugfs.c b/tools/lib/lk/debugfs.c index 099e7cd022e..7c434796235 100644 --- a/tools/lib/lk/debugfs.c +++ b/tools/lib/lk/debugfs.c @@ -5,7 +5,6 @@ #include <stdbool.h> #include <sys/vfs.h> #include <sys/mount.h> -#include <linux/magic.h> #include <linux/kernel.h> #include "debugfs.h" diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c index 9570c2b0f83..b2519e49424 100644 --- a/tools/perf/arch/x86/util/tsc.c +++ b/tools/perf/arch/x86/util/tsc.c @@ -32,7 +32,7 @@ u64 tsc_to_perf_time(u64 cyc, struct perf_tsc_conversion *tc) int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, struct perf_tsc_conversion *tc) { - bool cap_usr_time_zero; + bool cap_user_time_zero; u32 seq; int i = 0; @@ -42,7 +42,7 @@ int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, tc->time_mult = pc->time_mult; tc->time_shift = pc->time_shift; tc->time_zero = pc->time_zero; - cap_usr_time_zero = pc->cap_usr_time_zero; + cap_user_time_zero = pc->cap_user_time_zero; rmb(); if (pc->lock == seq && !(seq & 1)) break; @@ -52,7 +52,7 @@ int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc, } } - if (!cap_usr_time_zero) + if (!cap_user_time_zero) return -EOPNOTSUPP; return 0; diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 423875c999b..afe377b2884 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -321,8 +321,6 @@ found: return perf_event__repipe(tool, event_sw, &sample_sw, machine); } -extern volatile int session_done; - static void sig_handler(int sig __maybe_unused) { session_done = 1; diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index c2dff9cb1f2..9b5f077fee5 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -101,7 +101,7 @@ static int setup_cpunode_map(void) dir1 = opendir(PATH_SYS_NODE); if (!dir1) - return -1; + return 0; while ((dent1 = readdir(dir1)) != NULL) { if (dent1->d_type != DT_DIR || diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8e50d8d7741..72eae7498c0 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -401,8 +401,6 @@ static int perf_report__setup_sample_type(struct perf_report *rep) return 0; } -extern volatile int session_done; - static void sig_handler(int sig __maybe_unused) { session_done = 1; @@ -568,6 +566,9 @@ static int __cmd_report(struct perf_report *rep) } } + if (session_done()) + return 0; + if (nr_samples == 0) { ui__error("The %s file has no samples!\n", session->filename); return 0; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 7f31a3ded1b..9c333ff3dfe 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -553,8 +553,6 @@ static struct perf_tool perf_script = { .ordering_requires_timestamps = true, }; -extern volatile int session_done; - static void sig_handler(int sig __maybe_unused) { session_done = 1; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index f5aa6375e3e..71aa3e35406 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -16,6 +16,23 @@ #include <sys/mman.h> #include <linux/futex.h> +/* For older distros: */ +#ifndef MAP_STACK +# define MAP_STACK 0x20000 +#endif + +#ifndef MADV_HWPOISON +# define MADV_HWPOISON 100 +#endif + +#ifndef MADV_MERGEABLE +# define MADV_MERGEABLE 12 +#endif + +#ifndef MADV_UNMERGEABLE +# define MADV_UNMERGEABLE 13 +#endif + static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, unsigned long arg, u8 arg_idx __maybe_unused, @@ -1038,6 +1055,7 @@ static int trace__replay(struct trace *trace) trace->tool.sample = trace__process_sample; trace->tool.mmap = perf_event__process_mmap; + trace->tool.mmap2 = perf_event__process_mmap2; trace->tool.comm = perf_event__process_comm; trace->tool.exit = perf_event__process_exit; trace->tool.fork = perf_event__process_fork; diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 214e17e97e5..5f6f9b3271b 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -87,7 +87,7 @@ CFLAGS += -Wall CFLAGS += -Wextra CFLAGS += -std=gnu99 -EXTLIBS = -lelf -lpthread -lrt -lm +EXTLIBS = -lelf -lpthread -lrt -lm -ldl ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y) CFLAGS += -fstack-protector-all @@ -180,6 +180,9 @@ FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y) CFLAGS += -DLIBELF_MMAP endif +ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM),y) + CFLAGS += -DHAVE_ELF_GETPHDRNUM +endif # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 708fb8e9822..d5a8dd44945 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -61,6 +61,15 @@ int main(void) } endef +define SOURCE_ELF_GETPHDRNUM +#include <libelf.h> +int main(void) +{ + size_t dst; + return elf_getphdrnum(0, &dst); +} +endef + ifndef NO_SLANG define SOURCE_SLANG #include <slang.h> @@ -210,6 +219,7 @@ define SOURCE_LIBAUDIT int main(void) { + printf(\"error message: %s\n\", audit_errno_to_name(0)); return audit_open(); } endef diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index bfc5a27597d..7eae5488ece 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -809,7 +809,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, end = map__rip_2objdump(map, sym->end); offset = line_ip - start; - if (offset < 0 || (u64)line_ip > end) + if ((u64)line_ip < start || (u64)line_ip > end) offset = -1; else parsed_line = tmp2 + 1; diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 3e5f5430a28..e23bde19d59 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -263,6 +263,21 @@ bool die_is_signed_type(Dwarf_Die *tp_die) } /** + * die_is_func_def - Ensure that this DIE is a subprogram and definition + * @dw_die: a DIE + * + * Ensure that this DIE is a subprogram and NOT a declaration. This + * returns true if @dw_die is a function definition. + **/ +bool die_is_func_def(Dwarf_Die *dw_die) +{ + Dwarf_Attribute attr; + + return (dwarf_tag(dw_die) == DW_TAG_subprogram && + dwarf_attr(dw_die, DW_AT_declaration, &attr) == NULL); +} + +/** * die_get_data_member_location - Get the data-member offset * @mb_die: a DIE of a member of a data structure * @offs: The offset of the member in the data structure @@ -392,6 +407,10 @@ static int __die_search_func_cb(Dwarf_Die *fn_die, void *data) { struct __addr_die_search_param *ad = data; + /* + * Since a declaration entry doesn't has given pc, this always returns + * function definition entry. + */ if (dwarf_tag(fn_die) == DW_TAG_subprogram && dwarf_haspc(fn_die, ad->addr)) { memcpy(ad->die_mem, fn_die, sizeof(Dwarf_Die)); diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h index 6ce1717784b..8658d41697d 100644 --- a/tools/perf/util/dwarf-aux.h +++ b/tools/perf/util/dwarf-aux.h @@ -38,6 +38,9 @@ extern int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr, extern int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr, int (*callback)(Dwarf_Die *, void *), void *data); +/* Ensure that this DIE is a subprogram and definition (not declaration) */ +extern bool die_is_func_def(Dwarf_Die *dw_die); + /* Compare diename and tname */ extern bool die_compare_name(Dwarf_Die *dw_die, const char *tname); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 26441d0e571..ce69901176d 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -199,9 +199,11 @@ static int write_buildid(char *name, size_t name_len, u8 *build_id, return write_padded(fd, name, name_len + 1, len); } -static int __dsos__write_buildid_table(struct list_head *head, pid_t pid, - u16 misc, int fd) +static int __dsos__write_buildid_table(struct list_head *head, + struct machine *machine, + pid_t pid, u16 misc, int fd) { + char nm[PATH_MAX]; struct dso *pos; dsos__for_each_with_build_id(pos, head) { @@ -215,6 +217,10 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid, if (is_vdso_map(pos->short_name)) { name = (char *) VDSO__MAP_NAME; name_len = sizeof(VDSO__MAP_NAME) + 1; + } else if (dso__is_kcore(pos)) { + machine__mmap_name(machine, nm, sizeof(nm)); + name = nm; + name_len = strlen(nm) + 1; } else { name = pos->long_name; name_len = pos->long_name_len + 1; @@ -240,10 +246,10 @@ static int machine__write_buildid_table(struct machine *machine, int fd) umisc = PERF_RECORD_MISC_GUEST_USER; } - err = __dsos__write_buildid_table(&machine->kernel_dsos, machine->pid, - kmisc, fd); + err = __dsos__write_buildid_table(&machine->kernel_dsos, machine, + machine->pid, kmisc, fd); if (err == 0) - err = __dsos__write_buildid_table(&machine->user_dsos, + err = __dsos__write_buildid_table(&machine->user_dsos, machine, machine->pid, umisc, fd); return err; } @@ -375,23 +381,31 @@ out_free: return err; } -static int dso__cache_build_id(struct dso *dso, const char *debugdir) +static int dso__cache_build_id(struct dso *dso, struct machine *machine, + const char *debugdir) { bool is_kallsyms = dso->kernel && dso->long_name[0] != '/'; bool is_vdso = is_vdso_map(dso->short_name); + char *name = dso->long_name; + char nm[PATH_MAX]; - return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), - dso->long_name, debugdir, - is_kallsyms, is_vdso); + if (dso__is_kcore(dso)) { + is_kallsyms = true; + machine__mmap_name(machine, nm, sizeof(nm)); + name = nm; + } + return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), name, + debugdir, is_kallsyms, is_vdso); } -static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir) +static int __dsos__cache_build_ids(struct list_head *head, + struct machine *machine, const char *debugdir) { struct dso *pos; int err = 0; dsos__for_each_with_build_id(pos, head) - if (dso__cache_build_id(pos, debugdir)) + if (dso__cache_build_id(pos, machine, debugdir)) err = -1; return err; @@ -399,8 +413,9 @@ static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir) static int machine__cache_build_ids(struct machine *machine, const char *debugdir) { - int ret = __dsos__cache_build_ids(&machine->kernel_dsos, debugdir); - ret |= __dsos__cache_build_ids(&machine->user_dsos, debugdir); + int ret = __dsos__cache_build_ids(&machine->kernel_dsos, machine, + debugdir); + ret |= __dsos__cache_build_ids(&machine->user_dsos, machine, debugdir); return ret; } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 46a0d35a05e..9ff6cf3e9a9 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -611,6 +611,8 @@ void hists__collapse_resort(struct hists *hists) next = rb_first(root); while (next) { + if (session_done()) + break; n = rb_entry(next, struct hist_entry, rb_node_in); next = rb_next(&n->rb_node_in); diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 933d14f287c..6188d2876a7 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -792,7 +792,7 @@ static int machine__create_modules(struct machine *machine) modules = path; } - if (symbol__restricted_filename(path, "/proc/modules")) + if (symbol__restricted_filename(modules, "/proc/modules")) return -1; file = fopen(modules, "r"); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index be0329394d5..371476cb8dd 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -118,7 +118,6 @@ static const Dwfl_Callbacks offline_callbacks = { static int debuginfo__init_offline_dwarf(struct debuginfo *self, const char *path) { - Dwfl_Module *mod; int fd; fd = open(path, O_RDONLY); @@ -129,11 +128,11 @@ static int debuginfo__init_offline_dwarf(struct debuginfo *self, if (!self->dwfl) goto error; - mod = dwfl_report_offline(self->dwfl, "", "", fd); - if (!mod) + self->mod = dwfl_report_offline(self->dwfl, "", "", fd); + if (!self->mod) goto error; - self->dbg = dwfl_module_getdwarf(mod, &self->bias); + self->dbg = dwfl_module_getdwarf(self->mod, &self->bias); if (!self->dbg) goto error; @@ -676,37 +675,42 @@ static int find_variable(Dwarf_Die *sc_die, struct probe_finder *pf) } /* Convert subprogram DIE to trace point */ -static int convert_to_trace_point(Dwarf_Die *sp_die, Dwarf_Addr paddr, - bool retprobe, struct probe_trace_point *tp) +static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod, + Dwarf_Addr paddr, bool retprobe, + struct probe_trace_point *tp) { Dwarf_Addr eaddr, highaddr; - const char *name; - - /* Copy the name of probe point */ - name = dwarf_diename(sp_die); - if (name) { - if (dwarf_entrypc(sp_die, &eaddr) != 0) { - pr_warning("Failed to get entry address of %s\n", - dwarf_diename(sp_die)); - return -ENOENT; - } - if (dwarf_highpc(sp_die, &highaddr) != 0) { - pr_warning("Failed to get end address of %s\n", - dwarf_diename(sp_die)); - return -ENOENT; - } - if (paddr > highaddr) { - pr_warning("Offset specified is greater than size of %s\n", - dwarf_diename(sp_die)); - return -EINVAL; - } - tp->symbol = strdup(name); - if (tp->symbol == NULL) - return -ENOMEM; - tp->offset = (unsigned long)(paddr - eaddr); - } else - /* This function has no name. */ - tp->offset = (unsigned long)paddr; + GElf_Sym sym; + const char *symbol; + + /* Verify the address is correct */ + if (dwarf_entrypc(sp_die, &eaddr) != 0) { + pr_warning("Failed to get entry address of %s\n", + dwarf_diename(sp_die)); + return -ENOENT; + } + if (dwarf_highpc(sp_die, &highaddr) != 0) { + pr_warning("Failed to get end address of %s\n", + dwarf_diename(sp_die)); + return -ENOENT; + } + if (paddr > highaddr) { + pr_warning("Offset specified is greater than size of %s\n", + dwarf_diename(sp_die)); + return -EINVAL; + } + + /* Get an appropriate symbol from symtab */ + symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL); + if (!symbol) { + pr_warning("Failed to find symbol at 0x%lx\n", + (unsigned long)paddr); + return -ENOENT; + } + tp->offset = (unsigned long)(paddr - sym.st_value); + tp->symbol = strdup(symbol); + if (!tp->symbol) + return -ENOMEM; /* Return probe must be on the head of a subprogram */ if (retprobe) { @@ -734,7 +738,7 @@ static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf) } /* If not a real subprogram, find a real one */ - if (dwarf_tag(sc_die) != DW_TAG_subprogram) { + if (!die_is_func_def(sc_die)) { if (!die_find_realfunc(&pf->cu_die, pf->addr, &pf->sp_die)) { pr_warning("Failed to find probe point in any " "functions.\n"); @@ -980,12 +984,10 @@ static int probe_point_search_cb(Dwarf_Die *sp_die, void *data) struct dwarf_callback_param *param = data; struct probe_finder *pf = param->data; struct perf_probe_point *pp = &pf->pev->point; - Dwarf_Attribute attr; /* Check tag and diename */ - if (dwarf_tag(sp_die) != DW_TAG_subprogram || - !die_compare_name(sp_die, pp->function) || - dwarf_attr(sp_die, DW_AT_declaration, &attr)) + if (!die_is_func_def(sp_die) || + !die_compare_name(sp_die, pp->function)) return DWARF_CB_OK; /* Check declared file */ @@ -1151,7 +1153,7 @@ static int add_probe_trace_event(Dwarf_Die *sc_die, struct probe_finder *pf) tev = &tf->tevs[tf->ntevs++]; /* Trace point should be converted from subprogram DIE */ - ret = convert_to_trace_point(&pf->sp_die, pf->addr, + ret = convert_to_trace_point(&pf->sp_die, tf->mod, pf->addr, pf->pev->point.retprobe, &tev->point); if (ret < 0) return ret; @@ -1183,7 +1185,7 @@ int debuginfo__find_trace_events(struct debuginfo *self, { struct trace_event_finder tf = { .pf = {.pev = pev, .callback = add_probe_trace_event}, - .max_tevs = max_tevs}; + .mod = self->mod, .max_tevs = max_tevs}; int ret; /* Allocate result tevs array */ @@ -1252,7 +1254,7 @@ static int add_available_vars(Dwarf_Die *sc_die, struct probe_finder *pf) vl = &af->vls[af->nvls++]; /* Trace point should be converted from subprogram DIE */ - ret = convert_to_trace_point(&pf->sp_die, pf->addr, + ret = convert_to_trace_point(&pf->sp_die, af->mod, pf->addr, pf->pev->point.retprobe, &vl->point); if (ret < 0) return ret; @@ -1291,6 +1293,7 @@ int debuginfo__find_available_vars_at(struct debuginfo *self, { struct available_var_finder af = { .pf = {.pev = pev, .callback = add_available_vars}, + .mod = self->mod, .max_vls = max_vls, .externs = externs}; int ret; @@ -1474,7 +1477,7 @@ static int line_range_inline_cb(Dwarf_Die *in_die, void *data) return 0; } -/* Search function from function name */ +/* Search function definition from function name */ static int line_range_search_cb(Dwarf_Die *sp_die, void *data) { struct dwarf_callback_param *param = data; @@ -1485,7 +1488,7 @@ static int line_range_search_cb(Dwarf_Die *sp_die, void *data) if (lr->file && strtailcmp(lr->file, dwarf_decl_file(sp_die))) return DWARF_CB_OK; - if (dwarf_tag(sp_die) == DW_TAG_subprogram && + if (die_is_func_def(sp_die) && die_compare_name(sp_die, lr->function)) { lf->fname = dwarf_decl_file(sp_die); dwarf_decl_line(sp_die, &lr->offset); diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index 17e94d0c36f..3b7d6301896 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -23,6 +23,7 @@ static inline int is_c_varname(const char *name) /* debug information structure */ struct debuginfo { Dwarf *dbg; + Dwfl_Module *mod; Dwfl *dwfl; Dwarf_Addr bias; }; @@ -77,6 +78,7 @@ struct probe_finder { struct trace_event_finder { struct probe_finder pf; + Dwfl_Module *mod; /* For solving symbols */ struct probe_trace_event *tevs; /* Found trace events */ int ntevs; /* Number of trace events */ int max_tevs; /* Max number of trace events */ @@ -84,6 +86,7 @@ struct trace_event_finder { struct available_var_finder { struct probe_finder pf; + Dwfl_Module *mod; /* For solving symbols */ struct variable_list *vls; /* Found variable lists */ int nvls; /* Number of variable lists */ int max_vls; /* Max no. of variable lists */ diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 51f5edf2a6d..70ffa41518f 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -531,6 +531,9 @@ static int flush_sample_queue(struct perf_session *s, return 0; list_for_each_entry_safe(iter, tmp, head, list) { + if (session_done()) + return 0; + if (iter->timestamp > limit) break; @@ -1160,7 +1163,6 @@ static void perf_session__warn_about_errors(const struct perf_session *session, } } -#define session_done() (*(volatile int *)(&session_done)) volatile int session_done; static int __perf_session__process_pipe_events(struct perf_session *self, @@ -1372,10 +1374,13 @@ more: "Processing events..."); } + err = 0; + if (session_done()) + goto out_err; + if (file_pos < file_size) goto more; - err = 0; /* do the final flush for ordered samples */ session->ordered_samples.next_flush = ULLONG_MAX; err = flush_sample_queue(session, tool); diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 3aa75fb2225..04bf7373a7e 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -124,4 +124,8 @@ int __perf_session__set_tracepoints_handlers(struct perf_session *session, #define perf_session__set_tracepoints_handlers(session, array) \ __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) + +extern volatile int session_done; + +#define session_done() (*(volatile int *)(&session_done)) #endif /* __PERF_SESSION_H */ diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index a7b9ab55738..a9c829be521 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -8,6 +8,22 @@ #include "symbol.h" #include "debug.h" +#ifndef HAVE_ELF_GETPHDRNUM +static int elf_getphdrnum(Elf *elf, size_t *dst) +{ + GElf_Ehdr gehdr; + GElf_Ehdr *ehdr; + + ehdr = gelf_getehdr(elf, &gehdr); + if (!ehdr) + return -1; + + *dst = ehdr->e_phnum; + + return 0; +} +#endif + #ifndef NT_GNU_BUILD_ID #define NT_GNU_BUILD_ID 3 #endif diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index fe7a27d67d2..e9e1c03f927 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -186,7 +186,7 @@ void parse_proc_kallsyms(struct pevent *pevent, char *next = NULL; char *addr_str; char *mod; - char *fmt; + char *fmt = NULL; line = strtok_r(file, "\n", &next); while (line) { diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 979bff485fb..a9dd682cf5e 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1064,10 +1064,12 @@ EXPORT_SYMBOL_GPL(gfn_to_hva); unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable) { struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); - if (writable) + unsigned long hva = __gfn_to_hva_many(slot, gfn, NULL, false); + + if (!kvm_is_error_hva(hva) && writable) *writable = !memslot_is_readonly(slot); - return __gfn_to_hva_many(gfn_to_memslot(kvm, gfn), gfn, NULL, false); + return hva; } static int kvm_read_hva(void *data, void __user *hva, int len) |