aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--MAINTAINERS2
-rw-r--r--arch/arm/mach-omap1/board-palmz71.c1
-rw-r--r--arch/arm/mach-omap1/pm.c2
-rw-r--r--arch/arm/mach-omap2/board-devkit8000.c1
-rw-r--r--arch/arm/mach-omap2/board-generic.c8
-rw-r--r--arch/arm/mach-omap2/board-h4.c122
-rw-r--r--arch/arm/mach-omap2/clkt_dpll.c51
-rw-r--r--arch/arm/mach-omap2/clock.h2
-rw-r--r--arch/arm/mach-omap2/clock2420_data.c12
-rw-r--r--arch/arm/mach-omap2/clock2430_data.c12
-rw-r--r--arch/arm/mach-omap2/clock3xxx_data.c12
-rw-r--r--arch/arm/mach-omap2/clock44xx.h7
-rw-r--r--arch/arm/mach-omap2/clock44xx_data.c43
-rw-r--r--arch/arm/mach-omap2/devices.c17
-rw-r--r--arch/arm/mach-omap2/dpll3xxx.c9
-rw-r--r--arch/arm/mach-omap2/dpll44xx.c69
-rw-r--r--arch/arm/mach-omap2/dsp.c1
-rw-r--r--arch/arm/mach-omap2/hsmmc.c16
-rw-r--r--arch/arm/mach-omap2/id.c5
-rw-r--r--arch/arm/mach-omap2/include/mach/ctrl_module_pad_core_44xx.h8
-rw-r--r--arch/arm/mach-omap2/io.c6
-rw-r--r--arch/arm/mach-omap2/mailbox.c1
-rw-r--r--arch/arm/mach-omap2/omap-iommu.c1
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c2
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c17
-rw-r--r--arch/arm/mach-omap2/omap_l3_noc.c1
-rw-r--r--arch/arm/mach-omap2/pm34xx.c70
-rw-r--r--arch/arm/mach-omap2/powerdomain.c14
-rw-r--r--arch/arm/mach-omap2/powerdomain.h2
-rw-r--r--arch/arm/mach-omap2/smartreflex.c1
-rw-r--r--arch/arm/mach-omap2/timer.c12
-rw-r--r--arch/arm/mach-omap2/usb-musb.c38
-rw-r--r--arch/arm/plat-omap/dmtimer.c1
-rw-r--r--arch/arm/plat-omap/i2c.c2
-rw-r--r--arch/arm/plat-omap/include/plat/cpu.h17
-rw-r--r--arch/arm/plat-omap/include/plat/dmtimer.h4
-rw-r--r--arch/arm/plat-omap/include/plat/omap-alsa.h123
-rw-r--r--arch/arm/plat-omap/include/plat/omap-pm.h4
-rw-r--r--arch/arm/plat-omap/include/plat/omap_device.h2
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h2
-rw-r--r--arch/arm/plat-omap/omap-pm-noop.c24
-rw-r--r--arch/arm/plat-omap/omap_device.c3
42 files changed, 345 insertions, 402 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 4c5eac0e51d..4808256446f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4673,7 +4673,7 @@ L: linux-omap@vger.kernel.org
W: http://www.muru.com/linux/omap/
W: http://linux.omap.com/
Q: http://patchwork.kernel.org/project/linux-omap/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git
S: Maintained
F: arch/arm/*omap*/
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index c6fe61dfe85..42061573e38 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -42,7 +42,6 @@
#include <plat/irda.h>
#include <plat/keypad.h>
#include <plat/common.h>
-#include <plat/omap-alsa.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 495b3987d46..89ea20ca0cc 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -116,7 +116,7 @@ void omap1_pm_idle(void)
return;
}
-#ifdef CONFIG_OMAP_MPU_TIMER
+#if defined(CONFIG_OMAP_MPU_TIMER) && !defined(CONFIG_OMAP_DM_TIMER)
#warning Enable 32kHz OS timer in order to allow sleep states in idle
use_idlect1 = use_idlect1 & ~(1 << 9);
#else
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 42918940c53..90154e411da 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -226,7 +226,6 @@ static int devkit8000_twl_gpio_setup(struct device *dev,
{
int ret;
- omap_mux_init_gpio(29, OMAP_PIN_INPUT);
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
omap2_hsmmc_init(mmc);
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 0cc9094e5ee..fb55fa3dad5 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -28,6 +28,7 @@
* XXX: Still needed to boot until the i2c & twl driver is adapted to
* device-tree
*/
+#ifdef CONFIG_ARCH_OMAP4
static struct twl4030_platform_data sdp4430_twldata = {
.irq_base = TWL6030_IRQ_BASE,
.irq_end = TWL6030_IRQ_END,
@@ -37,7 +38,9 @@ static void __init omap4_i2c_init(void)
{
omap4_pmic_init("twl6030", &sdp4430_twldata);
}
+#endif
+#ifdef CONFIG_ARCH_OMAP3
static struct twl4030_platform_data beagle_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
@@ -47,6 +50,7 @@ static void __init omap3_i2c_init(void)
{
omap3_pmic_init("twl4030", &beagle_twldata);
}
+#endif
static struct of_device_id omap_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
@@ -72,17 +76,21 @@ static void __init omap_generic_init(void)
of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
}
+#ifdef CONFIG_ARCH_OMAP4
static void __init omap4_init(void)
{
omap4_i2c_init();
omap_generic_init();
}
+#endif
+#ifdef CONFIG_ARCH_OMAP3
static void __init omap3_init(void)
{
omap3_i2c_init();
omap_generic_init();
}
+#endif
#if defined(CONFIG_SOC_OMAP2420)
static const char *omap242x_boards_compat[] __initdata = {
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index c12666ee701..8b351d92a1c 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -25,6 +25,7 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
+#include <linux/input/matrix_keypad.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -34,7 +35,6 @@
#include <plat/usb.h>
#include <plat/board.h>
#include <plat/common.h>
-#include <plat/keypad.h>
#include <plat/menelaus.h>
#include <plat/dma.h>
#include <plat/gpmc.h>
@@ -50,10 +50,8 @@
#define H4_ETHR_GPIO_IRQ 92
-static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
-static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
-
-static const unsigned int h4_keymap[] = {
+#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
+static const uint32_t board_matrix_keys[] = {
KEY(0, 0, KEY_LEFT),
KEY(1, 0, KEY_RIGHT),
KEY(2, 0, KEY_A),
@@ -86,6 +84,71 @@ static const unsigned int h4_keymap[] = {
KEY(4, 5, KEY_ENTER),
};
+static const struct matrix_keymap_data board_keymap_data = {
+ .keymap = board_matrix_keys,
+ .keymap_size = ARRAY_SIZE(board_matrix_keys),
+};
+
+static unsigned int board_keypad_row_gpios[] = {
+ 88, 89, 124, 11, 6, 96
+};
+
+static unsigned int board_keypad_col_gpios[] = {
+ 90, 91, 100, 36, 12, 97, 98
+};
+
+static struct matrix_keypad_platform_data board_keypad_platform_data = {
+ .keymap_data = &board_keymap_data,
+ .row_gpios = board_keypad_row_gpios,
+ .num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
+ .col_gpios = board_keypad_col_gpios,
+ .num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
+ .active_low = 1,
+
+ .debounce_ms = 20,
+ .col_scan_delay_us = 5,
+};
+
+static struct platform_device board_keyboard = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &board_keypad_platform_data,
+ },
+};
+static void __init board_mkp_init(void)
+{
+ omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
+ if (omap_has_menelaus()) {
+ omap_mux_init_signal("sdrc_a14.gpio0",
+ OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
+ omap_mux_init_signal("gpio_98", 0);
+ board_keypad_row_gpios[5] = 0;
+ board_keypad_col_gpios[2] = 15;
+ board_keypad_col_gpios[6] = 18;
+ } else {
+ omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
+ omap_mux_init_signal("gpio_100", 0);
+ omap_mux_init_signal("gpio_98", 0);
+ }
+ omap_mux_init_signal("gpio_90", 0);
+ omap_mux_init_signal("gpio_91", 0);
+ omap_mux_init_signal("gpio_36", 0);
+ omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
+ omap_mux_init_signal("gpio_97", 0);
+
+ platform_device_register(&board_keyboard);
+}
+#else
+static inline void board_mkp_init(void)
+{
+}
+#endif
+
static struct mtd_partition h4_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
@@ -137,31 +200,8 @@ static struct platform_device h4_flash_device = {
.resource = &h4_flash_resource,
};
-static const struct matrix_keymap_data h4_keymap_data = {
- .keymap = h4_keymap,
- .keymap_size = ARRAY_SIZE(h4_keymap),
-};
-
-static struct omap_kp_platform_data h4_kp_data = {
- .rows = 6,
- .cols = 7,
- .keymap_data = &h4_keymap_data,
- .rep = true,
- .row_gpios = row_gpios,
- .col_gpios = col_gpios,
-};
-
-static struct platform_device h4_kp_device = {
- .name = "omap-keypad",
- .id = -1,
- .dev = {
- .platform_data = &h4_kp_data,
- },
-};
-
static struct platform_device *h4_devices[] __initdata = {
&h4_flash_device,
- &h4_kp_device,
};
static struct panel_generic_dpi_data h4_panel_data = {
@@ -336,31 +376,7 @@ static void __init omap_h4_init(void)
* if not needed.
*/
-#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
- omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
- omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
- omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
- omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
- if (omap_has_menelaus()) {
- omap_mux_init_signal("sdrc_a14.gpio0",
- OMAP_PULL_ENA | OMAP_PULL_UP);
- omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
- omap_mux_init_signal("gpio_98", 0);
- row_gpios[5] = 0;
- col_gpios[2] = 15;
- col_gpios[6] = 18;
- } else {
- omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
- omap_mux_init_signal("gpio_100", 0);
- omap_mux_init_signal("gpio_98", 0);
- }
- omap_mux_init_signal("gpio_90", 0);
- omap_mux_init_signal("gpio_91", 0);
- omap_mux_init_signal("gpio_36", 0);
- omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
- omap_mux_init_signal("gpio_97", 0);
-#endif
-
+ board_mkp_init();
i2c_register_board_info(1, h4_i2c_board_info,
ARRAY_SIZE(h4_i2c_board_info));
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index bcffee001bf..e069a9be93d 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -46,10 +46,19 @@
(DPLL_SCALE_FACTOR / DPLL_SCALE_BASE))
/* DPLL valid Fint frequency band limits - from 34xx TRM Section 4.7.6.2 */
-#define DPLL_FINT_BAND1_MIN 750000
-#define DPLL_FINT_BAND1_MAX 2100000
-#define DPLL_FINT_BAND2_MIN 7500000
-#define DPLL_FINT_BAND2_MAX 21000000
+#define OMAP3430_DPLL_FINT_BAND1_MIN 750000
+#define OMAP3430_DPLL_FINT_BAND1_MAX 2100000
+#define OMAP3430_DPLL_FINT_BAND2_MIN 7500000
+#define OMAP3430_DPLL_FINT_BAND2_MAX 21000000
+
+/*
+ * DPLL valid Fint frequency range for OMAP36xx and OMAP4xxx.
+ * From device data manual section 4.3 "DPLL and DLL Specifications".
+ */
+#define OMAP3PLUS_DPLL_FINT_JTYPE_MIN 500000
+#define OMAP3PLUS_DPLL_FINT_JTYPE_MAX 2500000
+#define OMAP3PLUS_DPLL_FINT_MIN 32000
+#define OMAP3PLUS_DPLL_FINT_MAX 52000000
/* _dpll_test_fint() return codes */
#define DPLL_FINT_UNDERFLOW -1
@@ -71,33 +80,43 @@
static int _dpll_test_fint(struct clk *clk, u8 n)
{
struct dpll_data *dd;
- long fint;
+ long fint, fint_min, fint_max;
int ret = 0;
dd = clk->dpll_data;
/* DPLL divider must result in a valid jitter correction val */
fint = clk->parent->rate / n;
- if (fint < DPLL_FINT_BAND1_MIN) {
+ if (cpu_is_omap24xx()) {
+ /* Should not be called for OMAP2, so warn if it is called */
+ WARN(1, "No fint limits available for OMAP2!\n");
+ return DPLL_FINT_INVALID;
+ } else if (cpu_is_omap3430()) {
+ fint_min = OMAP3430_DPLL_FINT_BAND1_MIN;
+ fint_max = OMAP3430_DPLL_FINT_BAND2_MAX;
+ } else if (dd->flags & DPLL_J_TYPE) {
+ fint_min = OMAP3PLUS_DPLL_FINT_JTYPE_MIN;
+ fint_max = OMAP3PLUS_DPLL_FINT_JTYPE_MAX;
+ } else {
+ fint_min = OMAP3PLUS_DPLL_FINT_MIN;
+ fint_max = OMAP3PLUS_DPLL_FINT_MAX;
+ }
+
+ if (fint < fint_min) {
pr_debug("rejecting n=%d due to Fint failure, "
"lowering max_divider\n", n);
dd->max_divider = n;
ret = DPLL_FINT_UNDERFLOW;
-
- } else if (fint > DPLL_FINT_BAND1_MAX &&
- fint < DPLL_FINT_BAND2_MIN) {
-
- pr_debug("rejecting n=%d due to Fint failure\n", n);
- ret = DPLL_FINT_INVALID;
-
- } else if (fint > DPLL_FINT_BAND2_MAX) {
-
+ } else if (fint > fint_max) {
pr_debug("rejecting n=%d due to Fint failure, "
"boosting min_divider\n", n);
dd->min_divider = n;
ret = DPLL_FINT_INVALID;
-
+ } else if (cpu_is_omap3430() && fint > OMAP3430_DPLL_FINT_BAND1_MAX &&
+ fint < OMAP3430_DPLL_FINT_BAND2_MIN) {
+ pr_debug("rejecting n=%d due to Fint failure\n", n);
+ ret = DPLL_FINT_INVALID;
}
return ret;
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 48ac568881b..2311bc21722 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -66,6 +66,8 @@ void omap3_noncore_dpll_disable(struct clk *clk);
int omap4_dpllmx_gatectrl_read(struct clk *clk);
void omap4_dpllmx_allow_gatectrl(struct clk *clk);
void omap4_dpllmx_deny_gatectrl(struct clk *clk);
+long omap4_dpll_regm4xen_round_rate(struct clk *clk, unsigned long target_rate);
+unsigned long omap4_dpll_regm4xen_recalc(struct clk *clk);
#ifdef CONFIG_OMAP_RESET_CLOCKS
void omap2_clk_disable_unused(struct clk *clk);
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index 14a6277dd18..61ad3855f10 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1898,18 +1898,6 @@ static struct omap_clk omap2420_clks[] = {
CLK(NULL, "pka_ick", &pka_ick, CK_242X),
CLK(NULL, "usb_fck", &usb_fck, CK_242X),
CLK("musb-hdrc", "fck", &osc_ck, CK_242X),
- CLK("omap_timer.1", "fck", &gpt1_fck, CK_242X),
- CLK("omap_timer.2", "fck", &gpt2_fck, CK_242X),
- CLK("omap_timer.3", "fck", &gpt3_fck, CK_242X),
- CLK("omap_timer.4", "fck", &gpt4_fck, CK_242X),
- CLK("omap_timer.5", "fck", &gpt5_fck, CK_242X),
- CLK("omap_timer.6", "fck", &gpt6_fck, CK_242X),
- CLK("omap_timer.7", "fck", &gpt7_fck, CK_242X),
- CLK("omap_timer.8", "fck", &gpt8_fck, CK_242X),
- CLK("omap_timer.9", "fck", &gpt9_fck, CK_242X),
- CLK("omap_timer.10", "fck", &gpt10_fck, CK_242X),
- CLK("omap_timer.11", "fck", &gpt11_fck, CK_242X),
- CLK("omap_timer.12", "fck", &gpt12_fck, CK_242X),
CLK("omap_timer.1", "32k_ck", &func_32k_ck, CK_243X),
CLK("omap_timer.2", "32k_ck", &func_32k_ck, CK_243X),
CLK("omap_timer.3", "32k_ck", &func_32k_ck, CK_243X),
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index ea6717cfa3c..0cc12879e7b 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -1998,18 +1998,6 @@ static struct omap_clk omap2430_clks[] = {
CLK(NULL, "mdm_intc_ick", &mdm_intc_ick, CK_243X),
CLK("omap_hsmmc.0", "mmchsdb_fck", &mmchsdb1_fck, CK_243X),
CLK("omap_hsmmc.1", "mmchsdb_fck", &mmchsdb2_fck, CK_243X),
- CLK("omap_timer.1", "fck", &gpt1_fck, CK_243X),
- CLK("omap_timer.2", "fck", &gpt2_fck, CK_243X),
- CLK("omap_timer.3", "fck", &gpt3_fck, CK_243X),
- CLK("omap_timer.4", "fck", &gpt4_fck, CK_243X),
- CLK("omap_timer.5", "fck", &gpt5_fck, CK_243X),
- CLK("omap_timer.6", "fck", &gpt6_fck, CK_243X),
- CLK("omap_timer.7", "fck", &gpt7_fck, CK_243X),
- CLK("omap_timer.8", "fck", &gpt8_fck, CK_243X),
- CLK("omap_timer.9", "fck", &gpt9_fck, CK_243X),
- CLK("omap_timer.10", "fck", &gpt10_fck, CK_243X),
- CLK("omap_timer.11", "fck", &gpt11_fck, CK_243X),
- CLK("omap_timer.12", "fck", &gpt12_fck, CK_243X),
CLK("omap_timer.1", "32k_ck", &func_32k_ck, CK_243X),
CLK("omap_timer.2", "32k_ck", &func_32k_ck, CK_243X),
CLK("omap_timer.3", "32k_ck", &func_32k_ck, CK_243X),
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 65dd363163b..5d0064a4fb5 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3464,18 +3464,6 @@ static struct omap_clk omap3xxx_clks[] = {
CLK("musb-am35x", "fck", &hsotgusb_fck_am35xx, CK_AM35XX),
CLK(NULL, "hecc_ck", &hecc_ck, CK_AM35XX),
CLK(NULL, "uart4_ick", &uart4_ick_am35xx, CK_AM35XX),
- CLK("omap_timer.1", "fck", &gpt1_fck, CK_3XXX),
- CLK("omap_timer.2", "fck", &gpt2_fck, CK_3XXX),
- CLK("omap_timer.3", "fck", &gpt3_fck, CK_3XXX),
- CLK("omap_timer.4", "fck", &gpt4_fck, CK_3XXX),
- CLK("omap_timer.5", "fck", &gpt5_fck, CK_3XXX),
- CLK("omap_timer.6", "fck", &gpt6_fck, CK_3XXX),
- CLK("omap_timer.7", "fck", &gpt7_fck, CK_3XXX),
- CLK("omap_timer.8", "fck", &gpt8_fck, CK_3XXX),
- CLK("omap_timer.9", "fck", &gpt9_fck, CK_3XXX),
- CLK("omap_timer.10", "fck", &gpt10_fck, CK_3XXX),
- CLK("omap_timer.11", "fck", &gpt11_fck, CK_3XXX),
- CLK("omap_timer.12", "fck", &gpt12_fck, CK_3XXX),
CLK("omap_timer.1", "32k_ck", &omap_32k_fck, CK_3XXX),
CLK("omap_timer.2", "32k_ck", &omap_32k_fck, CK_3XXX),
CLK("omap_timer.3", "32k_ck", &omap_32k_fck, CK_3XXX),
diff --git a/arch/arm/mach-omap2/clock44xx.h b/arch/arm/mach-omap2/clock44xx.h
index 7ceb870e7ab..287a46f78d9 100644
--- a/arch/arm/mach-omap2/clock44xx.h
+++ b/arch/arm/mach-omap2/clock44xx.h
@@ -8,6 +8,13 @@
#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
#define __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
+/*
+ * OMAP4430_REGM4XEN_MULT: If the CM_CLKMODE_DPLL_ABE.DPLL_REGM4XEN bit is
+ * set, then the DPLL's lock frequency is multiplied by 4 (OMAP4430 TRM
+ * vV Section 3.6.3.3.1 "DPLLs Output Clocks Parameters")
+ */
+#define OMAP4430_REGM4XEN_MULT 4
+
int omap4xxx_clk_init(void);
#endif
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 946bf04a956..0798a802497 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -270,8 +270,8 @@ static struct clk dpll_abe_ck = {
.dpll_data = &dpll_abe_dd,
.init = &omap2_init_dpll_parent,
.ops = &clkops_omap3_noncore_dpll_ops,
- .recalc = &omap3_dpll_recalc,
- .round_rate = &omap2_dpll_round_rate,
+ .recalc = &omap4_dpll_regm4xen_recalc,
+ .round_rate = &omap4_dpll_regm4xen_round_rate,
.set_rate = &omap3_noncore_dpll_set_rate,
};
@@ -1195,11 +1195,25 @@ static struct clk l4_wkup_clk_mux_ck = {
.recalc = &omap2_clksel_recalc,
};
+static const struct clksel_rate div2_2to1_rates[] = {
+ { .div = 1, .val = 1, .flags = RATE_IN_4430 },
+ { .div = 2, .val = 0, .flags = RATE_IN_4430 },
+ { .div = 0 },
+};
+
+static const struct clksel ocp_abe_iclk_div[] = {
+ { .parent = &aess_fclk, .rates = div2_2to1_rates },
+ { .parent = NULL },
+};
+
static struct clk ocp_abe_iclk = {
.name = "ocp_abe_iclk",
.parent = &aess_fclk,
+ .clksel = ocp_abe_iclk_div,
+ .clksel_reg = OMAP4430_CM1_ABE_AESS_CLKCTRL,
+ .clksel_mask = OMAP4430_CLKSEL_AESS_FCLK_MASK,
.ops = &clkops_null,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
};
static struct clk per_abe_24m_fclk = {
@@ -1398,9 +1412,9 @@ static struct clk dss_dss_clk = {
};
static const struct clksel_rate div3_8to32_rates[] = {
- { .div = 8, .val = 0, .flags = RATE_IN_44XX },
- { .div = 16, .val = 1, .flags = RATE_IN_44XX },
- { .div = 32, .val = 2, .flags = RATE_IN_44XX },
+ { .div = 8, .val = 0, .flags = RATE_IN_4460 },
+ { .div = 16, .val = 1, .flags = RATE_IN_4460 },
+ { .div = 32, .val = 2, .flags = RATE_IN_4460 },
{ .div = 0 },
};
@@ -3363,17 +3377,6 @@ static struct omap_clk omap44xx_clks[] = {
CLK("usbhs-omap.0", "usbhost_ick", &dummy_ck, CK_443X),
CLK("usbhs-omap.0", "usbtll_fck", &dummy_ck, CK_443X),
CLK("omap_wdt", "ick", &dummy_ck, CK_443X),
- CLK("omap_timer.1", "fck", &timer1_fck, CK_443X),
- CLK("omap_timer.2", "fck", &timer2_fck, CK_443X),
- CLK("omap_timer.3", "fck", &timer3_fck, CK_443X),
- CLK("omap_timer.4", "fck", &timer4_fck, CK_443X),
- CLK("omap_timer.5", "fck", &timer5_fck, CK_443X),
- CLK("omap_timer.6", "fck", &timer6_fck, CK_443X),
- CLK("omap_timer.7", "fck", &timer7_fck, CK_443X),
- CLK("omap_timer.8", "fck", &timer8_fck, CK_443X),
- CLK("omap_timer.9", "fck", &timer9_fck, CK_443X),
- CLK("omap_timer.10", "fck", &timer10_fck, CK_443X),
- CLK("omap_timer.11", "fck", &timer11_fck, CK_443X),
CLK("omap_timer.1", "32k_ck", &sys_32k_ck, CK_443X),
CLK("omap_timer.2", "32k_ck", &sys_32k_ck, CK_443X),
CLK("omap_timer.3", "32k_ck", &sys_32k_ck, CK_443X),
@@ -3403,12 +3406,12 @@ int __init omap4xxx_clk_init(void)
struct omap_clk *c;
u32 cpu_clkflg;
- if (cpu_is_omap44xx()) {
+ if (cpu_is_omap443x()) {
cpu_mask = RATE_IN_4430;
cpu_clkflg = CK_443X;
} else if (cpu_is_omap446x()) {
- cpu_mask = RATE_IN_4460;
- cpu_clkflg = CK_446X;
+ cpu_mask = RATE_IN_4460 | RATE_IN_4430;
+ cpu_clkflg = CK_446X | CK_443X;
} else {
return 0;
}
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 68ec03152d5..c15cfada5f1 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -318,18 +318,10 @@ static inline void omap_init_audio(void) {}
#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
-static struct omap_device_pm_latency omap_mcpdm_latency[] = {
- {
- .deactivate_func = omap_device_idle_hwmods,
- .activate_func = omap_device_enable_hwmods,
- .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
- },
-};
-
static void omap_init_mcpdm(void)
{
struct omap_hwmod *oh;
- struct omap_device *od;
+ struct platform_device *pdev;
oh = omap_hwmod_lookup("mcpdm");
if (!oh) {
@@ -337,11 +329,8 @@ static void omap_init_mcpdm(void)
return;
}
- od = omap_device_build("omap-mcpdm", -1, oh, NULL, 0,
- omap_mcpdm_latency,
- ARRAY_SIZE(omap_mcpdm_latency), 0);
- if (IS_ERR(od))
- printk(KERN_ERR "Could not build omap_device for omap-mcpdm-dai\n");
+ pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0);
+ WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
}
#else
static inline void omap_init_mcpdm(void) {}
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index f77022be783..fc56745676f 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -390,7 +390,8 @@ int omap3_noncore_dpll_enable(struct clk *clk)
* propagating?
*/
if (!r)
- clk->rate = omap2_get_dpll_rate(clk);
+ clk->rate = (clk->recalc) ? clk->recalc(clk) :
+ omap2_get_dpll_rate(clk);
return r;
}
@@ -424,6 +425,7 @@ void omap3_noncore_dpll_disable(struct clk *clk)
int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
{
struct clk *new_parent = NULL;
+ unsigned long hw_rate;
u16 freqsel = 0;
struct dpll_data *dd;
int ret;
@@ -435,7 +437,8 @@ int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
if (!dd)
return -EINVAL;
- if (rate == omap2_get_dpll_rate(clk))
+ hw_rate = (clk->recalc) ? clk->recalc(clk) : omap2_get_dpll_rate(clk);
+ if (rate == hw_rate)
return 0;
/*
@@ -455,7 +458,7 @@ int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
new_parent = dd->clk_bypass;
} else {
if (dd->last_rounded_rate != rate)
- omap2_dpll_round_rate(clk, rate);
+ rate = clk->round_rate(clk, rate);
if (dd->last_rounded_rate == 0)
return -EINVAL;
diff --git a/arch/arm/mach-omap2/dpll44xx.c b/arch/arm/mach-omap2/dpll44xx.c
index 4e4da6160d0..9c6a296b3dc 100644
--- a/arch/arm/mach-omap2/dpll44xx.c
+++ b/arch/arm/mach-omap2/dpll44xx.c
@@ -19,6 +19,7 @@
#include <plat/clock.h>
#include "clock.h"
+#include "clock44xx.h"
#include "cm-regbits-44xx.h"
/* Supported only on OMAP4 */
@@ -82,3 +83,71 @@ const struct clkops clkops_omap4_dpllmx_ops = {
.deny_idle = omap4_dpllmx_deny_gatectrl,
};
+/**
+ * omap4_dpll_regm4xen_recalc - compute DPLL rate, considering REGM4XEN bit
+ * @clk: struct clk * of the DPLL to compute the rate for
+ *
+ * Compute the output rate for the OMAP4 DPLL represented by @clk.
+ * Takes the REGM4XEN bit into consideration, which is needed for the
+ * OMAP4 ABE DPLL. Returns the DPLL's output rate (before M-dividers)
+ * upon success, or 0 upon error.
+ */
+unsigned long omap4_dpll_regm4xen_recalc(struct clk *clk)
+{
+ u32 v;
+ unsigned long rate;
+ struct dpll_data *dd;
+
+ if (!clk || !clk->dpll_data)
+ return 0;
+
+ dd = clk->dpll_data;
+
+ rate = omap2_get_dpll_rate(clk);
+
+ /* regm4xen adds a multiplier of 4 to DPLL calculations */
+ v = __raw_readl(dd->control_reg);
+ if (v & OMAP4430_DPLL_REGM4XEN_MASK)
+ rate *= OMAP4430_REGM4XEN_MULT;
+
+ return rate;
+}
+
+/**
+ * omap4_dpll_regm4xen_round_rate - round DPLL rate, considering REGM4XEN bit
+ * @clk: struct clk * of the DPLL to round a rate for
+ * @target_rate: the desired rate of the DPLL
+ *
+ * Compute the rate that would be programmed into the DPLL hardware
+ * for @clk if set_rate() were to be provided with the rate
+ * @target_rate. Takes the REGM4XEN bit into consideration, which is
+ * needed for the OMAP4 ABE DPLL. Returns the rounded rate (before
+ * M-dividers) upon success, -EINVAL if @clk is null or not a DPLL, or
+ * ~0 if an error occurred in omap2_dpll_round_rate().
+ */
+long omap4_dpll_regm4xen_round_rate(struct clk *clk, unsigned long target_rate)
+{
+ u32 v;
+ struct dpll_data *dd;
+ long r;
+
+ if (!clk || !clk->dpll_data)
+ return -EINVAL;
+
+ dd = clk->dpll_data;
+
+ /* regm4xen adds a multiplier of 4 to DPLL calculations */
+ v = __raw_readl(dd->control_reg) & OMAP4430_DPLL_REGM4XEN_MASK;
+
+ if (v)
+ target_rate = target_rate / OMAP4430_REGM4XEN_MULT;
+
+ r = omap2_dpll_round_rate(clk, target_rate);
+ if (r == ~0)
+ return r;
+
+ if (v)
+ clk->dpll_data->last_rounded_rate *= OMAP4430_REGM4XEN_MULT;
+
+ return clk->dpll_data->last_rounded_rate;
+}
diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c
index 911cd2e68d4..74f18f2952d 100644
--- a/arch/arm/mach-omap2/dsp.c
+++ b/arch/arm/mach-omap2/dsp.c
@@ -18,6 +18,7 @@
* of the OMAP PM core code.
*/
+#include <linux/module.h>
#include <linux/platform_device.h>
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 77085847e4e..f4a1020559a 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -129,15 +129,11 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot,
* Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
* card with Vcc regulator (from twl4030 or whatever). OMAP has both
* 1.8V and 3.0V modes, controlled by the PBIAS register.
- *
- * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
- * is most naturally TWL VSIM; those pins also use PBIAS.
- *
- * FIXME handle VMMC1A as needed ...
*/
reg = omap4_ctrl_pad_readl(control_pbias_offset);
reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
- OMAP4_MMC1_PWRDNZ_MASK);
+ OMAP4_MMC1_PWRDNZ_MASK |
+ OMAP4_MMC1_PBIASLITE_VMODE_MASK);
omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
@@ -172,12 +168,6 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
reg &= ~(OMAP4_MMC1_PWRDNZ_MASK);
omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
- } else {
- reg = omap4_ctrl_pad_readl(control_pbias_offset);
- reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK |
- OMAP4_MMC1_PWRDNZ_MASK |
- OMAP4_MMC1_PBIASLITE_VMODE_MASK);
- omap4_ctrl_pad_writel(reg, control_pbias_offset);
}
}
@@ -489,7 +479,7 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
OMAP4_SDMMC1_PUSTRENGTH_GRP1_MASK);
reg &= ~(OMAP4_SDMMC1_PUSTRENGTH_GRP2_MASK |
OMAP4_SDMMC1_PUSTRENGTH_GRP3_MASK);
- reg |= (OMAP4_USBC1_DR0_SPEEDCTRL_MASK|
+ reg |= (OMAP4_SDMMC1_DR0_SPEEDCTRL_MASK |
OMAP4_SDMMC1_DR1_SPEEDCTRL_MASK |
OMAP4_SDMMC1_DR2_SPEEDCTRL_MASK);
omap4_ctrl_pad_writel(reg, control_mmc1);
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index d27daf921c7..7f47092a193 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -187,8 +187,11 @@ static void __init omap3_check_features(void)
OMAP3_CHECK_FEATURE(status, ISP);
if (cpu_is_omap3630())
omap_features |= OMAP3_HAS_192MHZ_CLK;
- if (!cpu_is_omap3505() && !cpu_is_omap3517())
+ if (cpu_is_omap3430() || cpu_is_omap3630())
omap_features |= OMAP3_HAS_IO_WAKEUP;
+ if (cpu_is_omap3630() || omap_rev() == OMAP3430_REV_ES3_1 ||
+ omap_rev() == OMAP3430_REV_ES3_1_2)
+ omap_features |= OMAP3_HAS_IO_CHAIN_CTRL;
omap_features |= OMAP3_HAS_SDRC;
diff --git a/arch/arm/mach-omap2/include/mach/ctrl_module_pad_core_44xx.h b/arch/arm/mach-omap2/include/mach/ctrl_module_pad_core_44xx.h
index c88420de115..1e2d3322f33 100644
--- a/arch/arm/mach-omap2/include/mach/ctrl_module_pad_core_44xx.h
+++ b/arch/arm/mach-omap2/include/mach/ctrl_module_pad_core_44xx.h
@@ -941,10 +941,10 @@
#define OMAP4_DSI2_LANEENABLE_MASK (0x7 << 29)
#define OMAP4_DSI1_LANEENABLE_SHIFT 24
#define OMAP4_DSI1_LANEENABLE_MASK (0x1f << 24)
-#define OMAP4_DSI1_PIPD_SHIFT 19
-#define OMAP4_DSI1_PIPD_MASK (0x1f << 19)
-#define OMAP4_DSI2_PIPD_SHIFT 14
-#define OMAP4_DSI2_PIPD_MASK (0x1f << 14)
+#define OMAP4_DSI2_PIPD_SHIFT 19
+#define OMAP4_DSI2_PIPD_MASK (0x1f << 19)
+#define OMAP4_DSI1_PIPD_SHIFT 14
+#define OMAP4_DSI1_PIPD_MASK (0x1f << 14)
/* CONTROL_MCBSPLP */
#define OMAP4_ALBCTRLRX_FSX_SHIFT 31
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a5d8dce2a70..25d20ced03e 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -359,6 +359,7 @@ static void __init omap_hwmod_init_postsetup(void)
omap_pm_if_early_init();
}
+#ifdef CONFIG_ARCH_OMAP2
void __init omap2420_init_early(void)
{
omap2_set_globals_242x();
@@ -382,11 +383,13 @@ void __init omap2430_init_early(void)
omap_hwmod_init_postsetup();
omap2430_clk_init();
}
+#endif
/*
* Currently only board-omap3beagle.c should call this because of the
* same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
*/
+#ifdef CONFIG_ARCH_OMAP3
void __init omap3_init_early(void)
{
omap2_set_globals_3xxx();
@@ -430,7 +433,9 @@ void __init ti816x_init_early(void)
omap_hwmod_init_postsetup();
omap3xxx_clk_init();
}
+#endif
+#ifdef CONFIG_ARCH_OMAP4
void __init omap4430_init_early(void)
{
omap2_set_globals_443x();
@@ -442,6 +447,7 @@ void __init omap4430_init_early(void)
omap_hwmod_init_postsetup();
omap4xxx_clk_init();
}
+#endif
void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
struct omap_sdrc_params *sdrc_cs1)
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 86d564a640b..609ea2ded7e 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -10,6 +10,7 @@
* for more details.
*/
+#include <linux/module.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/platform_device.h>
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index e61feadcda4..b8822048e40 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -10,6 +10,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <plat/iommu.h>
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d7138070508..6b3088db83b 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2625,7 +2625,7 @@ ohsps_unlock:
* Returns the context loss count of the powerdomain assocated with @oh
* upon success, or zero if no powerdomain exists for @oh.
*/
-u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh)
+int omap_hwmod_get_context_loss_count(struct omap_hwmod *oh)
{
struct powerdomain *pwrdm;
int ret = 0;
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 3008e1672c7..bc9035ec87f 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3159,7 +3159,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
&omap3xxx_mmc2_hwmod,
&omap3xxx_mmc3_hwmod,
&omap3xxx_mpu_hwmod,
- &omap3xxx_iva_hwmod,
&omap3xxx_timer1_hwmod,
&omap3xxx_timer2_hwmod,
@@ -3188,8 +3187,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
&omap3xxx_i2c1_hwmod,
&omap3xxx_i2c2_hwmod,
&omap3xxx_i2c3_hwmod,
- &omap34xx_sr1_hwmod,
- &omap34xx_sr2_hwmod,
/* gpio class */
&omap3xxx_gpio1_hwmod,
@@ -3211,8 +3208,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
&omap3xxx_mcbsp2_sidetone_hwmod,
&omap3xxx_mcbsp3_sidetone_hwmod,
- /* mailbox class */
- &omap3xxx_mailbox_hwmod,
/* mcspi class */
&omap34xx_mcspi1,
@@ -3225,31 +3220,39 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
/* 3430ES1-only hwmods */
static __initdata struct omap_hwmod *omap3430es1_hwmods[] = {
+ &omap3xxx_iva_hwmod,
&omap3430es1_dss_core_hwmod,
+ &omap3xxx_mailbox_hwmod,
NULL
};
/* 3430ES2+-only hwmods */
static __initdata struct omap_hwmod *omap3430es2plus_hwmods[] = {
+ &omap3xxx_iva_hwmod,
&omap3xxx_dss_core_hwmod,
&omap3xxx_usbhsotg_hwmod,
+ &omap3xxx_mailbox_hwmod,
NULL
};
/* 34xx-only hwmods (all ES revisions) */
static __initdata struct omap_hwmod *omap34xx_hwmods[] = {
+ &omap3xxx_iva_hwmod,
&omap34xx_sr1_hwmod,
&omap34xx_sr2_hwmod,
+ &omap3xxx_mailbox_hwmod,
NULL
};
/* 36xx-only hwmods (all ES revisions) */
static __initdata struct omap_hwmod *omap36xx_hwmods[] = {
+ &omap3xxx_iva_hwmod,
&omap3xxx_uart4_hwmod,
&omap3xxx_dss_core_hwmod,
&omap36xx_sr1_hwmod,
&omap36xx_sr2_hwmod,
&omap3xxx_usbhsotg_hwmod,
+ &omap3xxx_mailbox_hwmod,
NULL
};
@@ -3267,7 +3270,7 @@ int __init omap3xxx_hwmod_init(void)
/* Register hwmods common to all OMAP3 */
r = omap_hwmod_register(omap3xxx_hwmods);
- if (!r)
+ if (r < 0)
return r;
rev = omap_rev();
@@ -3292,7 +3295,7 @@ int __init omap3xxx_hwmod_init(void)
};
r = omap_hwmod_register(h);
- if (!r)
+ if (r < 0)
return r;
/*
diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c
index c8b1bef92e5..6a66aa5e2a5 100644
--- a/arch/arm/mach-omap2/omap_l3_noc.c
+++ b/arch/arm/mach-omap2/omap_l3_noc.c
@@ -20,6 +20,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/platform_device.h>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index c8cbd00a41a..efa66494c1e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -99,31 +99,27 @@ static void omap3_enable_io_chain(void)
{
int timeout = 0;
- if (omap_rev() >= OMAP3430_REV_ES3_1) {
- omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
- PM_WKEN);
- /* Do a readback to assure write has been done */
- omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN);
-
- while (!(omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN) &
- OMAP3430_ST_IO_CHAIN_MASK)) {
- timeout++;
- if (timeout > 1000) {
- printk(KERN_ERR "Wake up daisy chain "
- "activation failed.\n");
- return;
- }
- omap2_prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK,
- WKUP_MOD, PM_WKEN);
+ omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
+ PM_WKEN);
+ /* Do a readback to assure write has been done */
+ omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN);
+
+ while (!(omap2_prm_read_mod_reg(WKUP_MOD, PM_WKEN) &
+ OMAP3430_ST_IO_CHAIN_MASK)) {
+ timeout++;
+ if (timeout > 1000) {
+ pr_err("Wake up daisy chain activation failed.\n");
+ return;
}
+ omap2_prm_set_mod_reg_bits(OMAP3430_ST_IO_CHAIN_MASK,
+ WKUP_MOD, PM_WKEN);
}
}
static void omap3_disable_io_chain(void)
{
- if (omap_rev() >= OMAP3430_REV_ES3_1)
- omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
- PM_WKEN);
+ omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_CHAIN_MASK, WKUP_MOD,
+ PM_WKEN);
}
static void omap3_core_save_context(void)
@@ -363,7 +359,6 @@ void omap_sram_idle(void)
printk(KERN_ERR "Invalid mpu state in sram_idle\n");
return;
}
- pwrdm_pre_transition();
/* NEON control */
if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON)
@@ -376,7 +371,8 @@ void omap_sram_idle(void)
(per_next_state < PWRDM_POWER_ON ||
core_next_state < PWRDM_POWER_ON)) {
omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN);
- omap3_enable_io_chain();
+ if (omap3_has_io_chain_ctrl())
+ omap3_enable_io_chain();
}
/* Block console output in case it is on one of the OMAP UARTs */
@@ -386,6 +382,8 @@ void omap_sram_idle(void)
if (!console_trylock())
goto console_still_active;
+ pwrdm_pre_transition();
+
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
per_going_off = (per_next_state == PWRDM_POWER_OFF) ? 1 : 0;
@@ -409,13 +407,14 @@ void omap_sram_idle(void)
omap3_intc_prepare_idle();
/*
- * On EMU/HS devices ROM code restores a SRDC value
- * from scratchpad which has automatic self refresh on timeout
- * of AUTO_CNT = 1 enabled. This takes care of erratum ID i443.
- * Hence store/restore the SDRC_POWER register here.
- */
- if (omap_rev() >= OMAP3430_REV_ES3_0 &&
- omap_type() != OMAP2_DEVICE_TYPE_GP &&
+ * On EMU/HS devices ROM code restores a SRDC value
+ * from scratchpad which has automatic self refresh on timeout
+ * of AUTO_CNT = 1 enabled. This takes care of erratum ID i443.
+ * Hence store/restore the SDRC_POWER register here.
+ */
+ if (cpu_is_omap3430() && omap_rev() >= OMAP3430_REV_ES3_0 &&
+ (omap_type() == OMAP2_DEVICE_TYPE_EMU ||
+ omap_type() == OMAP2_DEVICE_TYPE_SEC) &&
core_next_state == PWRDM_POWER_OFF)
sdrc_pwr = sdrc_read_reg(SDRC_POWER);
@@ -432,8 +431,9 @@ void omap_sram_idle(void)
omap34xx_do_sram_idle(save_state);
/* Restore normal SDRC POWER settings */
- if (omap_rev() >= OMAP3430_REV_ES3_0 &&
- omap_type() != OMAP2_DEVICE_TYPE_GP &&
+ if (cpu_is_omap3430() && omap_rev() >= OMAP3430_REV_ES3_0 &&
+ (omap_type() == OMAP2_DEVICE_TYPE_EMU ||
+ omap_type() == OMAP2_DEVICE_TYPE_SEC) &&
core_next_state == PWRDM_POWER_OFF)
sdrc_write_reg(sdrc_pwr, SDRC_POWER);
@@ -455,6 +455,8 @@ void omap_sram_idle(void)
}
omap3_intc_resume_idle();
+ pwrdm_post_transition();
+
/* PER */
if (per_next_state < PWRDM_POWER_ON) {
per_prev_state = pwrdm_read_prev_pwrst(per_pwrdm);
@@ -475,11 +477,10 @@ console_still_active:
core_next_state < PWRDM_POWER_ON)) {
omap2_prm_clear_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD,
PM_WKEN);
- omap3_disable_io_chain();
+ if (omap3_has_io_chain_ctrl())
+ omap3_disable_io_chain();
}
- pwrdm_post_transition();
-
clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]);
}
@@ -870,6 +871,9 @@ static int __init omap3_pm_init(void)
if (!cpu_is_omap34xx())
return -ENODEV;
+ if (!omap3_has_io_chain_ctrl())
+ pr_warning("PM: no software I/O chain control; some wakeups may be lost\n");
+
pm_errata_configure();
/* XXX prcm_setup_regs needs to be before enabling hw
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 5164d587ef5..8a18d1bd61c 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -1002,16 +1002,16 @@ int pwrdm_post_transition(void)
* @pwrdm: struct powerdomain * to wait for
*
* Context loss count is the sum of powerdomain off-mode counter, the
- * logic off counter and the per-bank memory off counter. Returns 0
+ * logic off counter and the per-bank memory off counter. Returns negative
* (and WARNs) upon error, otherwise, returns the context loss count.
*/
-u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm)
+int pwrdm_get_context_loss_count(struct powerdomain *pwrdm)
{
int i, count;
if (!pwrdm) {
WARN(1, "powerdomain: %s: pwrdm is null\n", __func__);
- return 0;
+ return -ENODEV;
}
count = pwrdm->state_counter[PWRDM_POWER_OFF];
@@ -1020,7 +1020,13 @@ u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm)
for (i = 0; i < pwrdm->banks; i++)
count += pwrdm->ret_mem_off_counter[i];
- pr_debug("powerdomain: %s: context loss count = %u\n",
+ /*
+ * Context loss count has to be a non-negative value. Clear the sign
+ * bit to get a value range from 0 to INT_MAX.
+ */
+ count &= INT_MAX;
+
+ pr_debug("powerdomain: %s: context loss count = %d\n",
pwrdm->name, count);
return count;
diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h
index 42e6dd8f2a7..0d72a8a8ce4 100644
--- a/arch/arm/mach-omap2/powerdomain.h
+++ b/arch/arm/mach-omap2/powerdomain.h
@@ -217,7 +217,7 @@ int pwrdm_clkdm_state_switch(struct clockdomain *clkdm);
int pwrdm_pre_transition(void);
int pwrdm_post_transition(void);
int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm);
-u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm);
+int pwrdm_get_context_loss_count(struct powerdomain *pwrdm);
bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm);
extern void omap242x_powerdomains_init(void);
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 0347b93211e..6a4f6839a7d 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -17,6 +17,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
#include <linux/io.h>
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index e49fc7be222..037b0d7d4e0 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -408,14 +408,6 @@ static int omap2_dm_timer_set_src(struct platform_device *pdev, int source)
return ret;
}
-struct omap_device_pm_latency omap2_dmtimer_latency[] = {
- {
- .deactivate_func = omap_device_idle_hwmods,
- .activate_func = omap_device_enable_hwmods,
- .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
- },
-};
-
/**
* omap_timer_init - build and register timer device with an
* associated timer hwmod
@@ -477,9 +469,7 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused)
pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count;
#endif
pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata),
- omap2_dmtimer_latency,
- ARRAY_SIZE(omap2_dmtimer_latency),
- 0);
+ NULL, 0, 0);
if (IS_ERR(pdev)) {
pr_err("%s: Can't build omap_device for %s: %s.\n",
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 47fb5d60763..267975086a7 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -60,44 +60,6 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = DMA_BIT_MASK(32);
-static void usb_musb_mux_init(struct omap_musb_board_data *board_data)
-{
- switch (board_data->interface_type) {
- case MUSB_INTERFACE_UTMI:
- omap_mux_init_signal("usba0_otg_dp", OMAP_PIN_INPUT);
- omap_mux_init_signal("usba0_otg_dm", OMAP_PIN_INPUT);
- break;
- case MUSB_INTERFACE_ULPI:
- omap_mux_init_signal("usba0_ulpiphy_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_stp",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usba0_ulpiphy_dat7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- default:
- break;
- }
-}
-
static struct omap_musb_board_data musb_default_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
.mode = MUSB_OTG,
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 2def4e1990e..af3b92be845 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -35,6 +35,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/module.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/err.h>
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 679cbd49c01..db071bc71c4 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -184,7 +184,7 @@ static inline int omap2_i2c_add_bus(int bus_id)
NULL, 0, 0);
WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", name);
- return PTR_ERR(pdev);
+ return PTR_RET(pdev);
}
#else
static inline int omap2_i2c_add_bus(int bus_id)
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 2f902694222..408a12f7920 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -399,6 +399,13 @@ void omap2_check_revision(void);
/*
* Runtime detection of OMAP3 features
+ *
+ * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
+ * family have OS-level control over the I/O chain clock. This is
+ * to avoid a window during which wakeups could potentially be lost
+ * during powerdomain transitions. If this bit is set, it
+ * indicates that the chip does support OS-level control of this
+ * feature.
*/
extern u32 omap_features;
@@ -410,9 +417,10 @@ extern u32 omap_features;
#define OMAP3_HAS_192MHZ_CLK BIT(5)
#define OMAP3_HAS_IO_WAKEUP BIT(6)
#define OMAP3_HAS_SDRC BIT(7)
-#define OMAP4_HAS_MPU_1GHZ BIT(8)
-#define OMAP4_HAS_MPU_1_2GHZ BIT(9)
-#define OMAP4_HAS_MPU_1_5GHZ BIT(10)
+#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
+#define OMAP4_HAS_MPU_1GHZ BIT(9)
+#define OMAP4_HAS_MPU_1_2GHZ BIT(10)
+#define OMAP4_HAS_MPU_1_5GHZ BIT(11)
#define OMAP3_HAS_FEATURE(feat,flag) \
@@ -429,12 +437,11 @@ OMAP3_HAS_FEATURE(isp, ISP)
OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
OMAP3_HAS_FEATURE(sdrc, SDRC)
+OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
/*
* Runtime detection of OMAP4 features
*/
-extern u32 omap_features;
-
#define OMAP4_HAS_FEATURE(feat, flag) \
static inline unsigned int omap4_has_ ##feat(void) \
{ \
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index d11025e6e7a..9418f00b6c3 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -104,7 +104,7 @@ struct dmtimer_platform_data {
bool loses_context;
- u32 (*get_context_loss_count)(struct device *dev);
+ int (*get_context_loss_count)(struct device *dev);
};
struct omap_dm_timer *omap_dm_timer_request(void);
@@ -279,7 +279,7 @@ struct omap_dm_timer {
struct platform_device *pdev;
struct list_head node;
- u32 (*get_context_loss_count)(struct device *dev);
+ int (*get_context_loss_count)(struct device *dev);
};
int omap_dm_timer_prepare(struct omap_dm_timer *timer);
diff --git a/arch/arm/plat-omap/include/plat/omap-alsa.h b/arch/arm/plat-omap/include/plat/omap-alsa.h
deleted file mode 100644
index b53055b390d..00000000000
--- a/arch/arm/plat-omap/include/plat/omap-alsa.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/omap-alsa.h
- *
- * Alsa Driver for AIC23 and TSC2101 codecs on OMAP platform boards.
- *
- * Copyright (C) 2006 Mika Laitio <lamikr@cc.jyu.fi>
- *
- * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil
- * Written by Daniel Petrini, David Cohen, Anderson Briglia
- * {daniel.petrini, david.cohen, anderson.briglia}@indt.org.br
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * History
- * -------
- *
- * 2005/07/25 INdT-10LE Kernel Team - Alsa driver for omap osk,
- * original version based in sa1100 driver
- * and omap oss driver.
- */
-
-#ifndef __OMAP_ALSA_H
-#define __OMAP_ALSA_H
-
-#include <plat/dma.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <plat/mcbsp.h>
-#include <linux/platform_device.h>
-
-#define DMA_BUF_SIZE (1024 * 8)
-
-/*
- * Buffer management for alsa and dma
- */
-struct audio_stream {
- char *id; /* identification string */
- int stream_id; /* numeric identification */
- int dma_dev; /* dma number of that device */
- int *lch; /* Chain of channels this stream is linked to */
- char started; /* to store if the chain was started or not */
- int dma_q_head; /* DMA Channel Q Head */
- int dma_q_tail; /* DMA Channel Q Tail */
- char dma_q_count; /* DMA Channel Q Count */
- int active:1; /* we are using this stream for transfer now */
- int period; /* current transfer period */
- int periods; /* current count of periods registerd in the DMA engine */
- spinlock_t dma_lock; /* for locking in DMA operations */
- struct snd_pcm_substream *stream; /* the pcm stream */
- unsigned linked:1; /* dma channels linked */
- int offset; /* store start position of the last period in the alsa buffer */
- int (*hw_start)(void); /* interface to start HW interface, e.g. McBSP */
- int (*hw_stop)(void); /* interface to stop HW interface, e.g. McBSP */
-};
-
-/*
- * Alsa card structure for aic23
- */
-struct snd_card_omap_codec {
- struct snd_card *card;
- struct snd_pcm *pcm;
- long samplerate;
- struct audio_stream s[2]; /* playback & capture */
-};
-
-/* Codec specific information and function pointers.
- * Codec (omap-alsa-aic23.c and omap-alsa-tsc2101.c)
- * are responsible for defining the function pointers.
- */
-struct omap_alsa_codec_config {
- char *name;
- struct omap_mcbsp_reg_cfg *mcbsp_regs_alsa;
- struct snd_pcm_hw_constraint_list *hw_constraints_rates;
- struct snd_pcm_hardware *snd_omap_alsa_playback;
- struct snd_pcm_hardware *snd_omap_alsa_capture;
- void (*codec_configure_dev)(void);
- void (*codec_set_samplerate)(long);
- void (*codec_clock_setup)(void);
- int (*codec_clock_on)(void);
- int (*codec_clock_off)(void);
- int (*get_default_samplerate)(void);
-};
-
-/*********** Mixer function prototypes *************************/
-int snd_omap_mixer(struct snd_card_omap_codec *);
-void snd_omap_init_mixer(void);
-
-#ifdef CONFIG_PM
-void snd_omap_suspend_mixer(void);
-void snd_omap_resume_mixer(void);
-#endif
-
-int snd_omap_alsa_post_probe(struct platform_device *pdev, struct omap_alsa_codec_config *config);
-int snd_omap_alsa_remove(struct platform_device *pdev);
-#ifdef CONFIG_PM
-int snd_omap_alsa_suspend(struct platform_device *pdev, pm_message_t state);
-int snd_omap_alsa_resume(struct platform_device *pdev);
-#else
-#define snd_omap_alsa_suspend NULL
-#define snd_omap_alsa_resume NULL
-#endif
-
-void callback_omap_alsa_sound_dma(void *);
-
-#endif
diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h
index 0840df813f4..67faa7b8fe9 100644
--- a/arch/arm/plat-omap/include/plat/omap-pm.h
+++ b/arch/arm/plat-omap/include/plat/omap-pm.h
@@ -342,9 +342,9 @@ unsigned long omap_pm_cpu_get_freq(void);
* driver must restore device context. If the number of context losses
* exceeds the maximum positive integer, the function will wrap to 0 and
* continue counting. Returns the number of context losses for this device,
- * or zero upon error.
+ * or negative value upon error.
*/
-u32 omap_pm_get_dev_context_loss_count(struct device *dev);
+int omap_pm_get_dev_context_loss_count(struct device *dev);
void omap_pm_enable_off_mode(void);
void omap_pm_disable_off_mode(void);
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index 12c5b0c345b..51423d2727a 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -107,7 +107,7 @@ struct device *omap_device_get_by_hwmod_name(const char *oh_name);
int omap_device_align_pm_lat(struct platform_device *pdev,
u32 new_wakeup_lat_limit);
struct powerdomain *omap_device_get_pwrdm(struct omap_device *od);
-u32 omap_device_get_context_loss_count(struct platform_device *pdev);
+int omap_device_get_context_loss_count(struct platform_device *pdev);
/* Other */
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 5419f1a2aaa..8b372ede17c 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -600,7 +600,7 @@ int omap_hwmod_for_each_by_class(const char *classname,
void *user);
int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state);
-u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh);
+int omap_hwmod_get_context_loss_count(struct omap_hwmod *oh);
int omap_hwmod_no_setup_reset(struct omap_hwmod *oh);
diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c
index b0471bb2d47..3dc3801aace 100644
--- a/arch/arm/plat-omap/omap-pm-noop.c
+++ b/arch/arm/plat-omap/omap-pm-noop.c
@@ -27,7 +27,7 @@
#include <plat/omap_device.h>
static bool off_mode_enabled;
-static u32 dummy_context_loss_counter;
+static int dummy_context_loss_counter;
/*
* Device-driver-originated constraints (via board-*.c files)
@@ -311,22 +311,32 @@ void omap_pm_disable_off_mode(void)
#ifdef CONFIG_ARCH_OMAP2PLUS
-u32 omap_pm_get_dev_context_loss_count(struct device *dev)
+int omap_pm_get_dev_context_loss_count(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
- u32 count;
+ int count;
if (WARN_ON(!dev))
- return 0;
+ return -ENODEV;
if (dev->parent == &omap_device_parent) {
count = omap_device_get_context_loss_count(pdev);
} else {
WARN_ONCE(off_mode_enabled, "omap_pm: using dummy context loss counter; device %s should be converted to omap_device",
dev_name(dev));
- if (off_mode_enabled)
- dummy_context_loss_counter++;
+
count = dummy_context_loss_counter;
+
+ if (off_mode_enabled) {
+ count++;
+ /*
+ * Context loss count has to be a non-negative value.
+ * Clear the sign bit to get a value range from 0 to
+ * INT_MAX.
+ */
+ count &= INT_MAX;
+ dummy_context_loss_counter = count;
+ }
}
pr_debug("OMAP PM: context loss count for dev %s = %d\n",
@@ -337,7 +347,7 @@ u32 omap_pm_get_dev_context_loss_count(struct device *dev)
#else
-u32 omap_pm_get_dev_context_loss_count(struct device *dev)
+int omap_pm_get_dev_context_loss_count(struct device *dev)
{
return dummy_context_loss_counter;
}
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index cd90bedd930..e8d98693d2d 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -78,6 +78,7 @@
#undef DEBUG
#include <linux/kernel.h>
+#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/err.h>
@@ -426,7 +427,7 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
* return the context loss counter for that hwmod, otherwise return
* zero.
*/
-u32 omap_device_get_context_loss_count(struct platform_device *pdev)
+int omap_device_get_context_loss_count(struct platform_device *pdev)
{
struct omap_device *od;
u32 ret = 0;