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2013-11-15ion: convert sg_dma_len(sg) to sg->lengthColin Cross
ion is always dealing with the allocation and not the mapping, so it should always be using sg->length and not sg->dma_length. Change-Id: Id9b07f1196b2bafe04636fa1aa46dfc84d003cf0 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-15ion: fix dma APIsColin Cross
__dma_page_cpu_to_dev is a private ARM api that is not available on 3.10 and was never available on other architectures. We can get the same behavior by calling dma_sync_sg_for_device with a scatterlist containing a single page. It's still not quite a kosher use of the dma apis, we still conflate physical addresses with bus addresses, but it should at least compile on all platforms, and work on any platform that doesn't have a physical to bus address translation. Change-Id: I8451c2dae4bf85841015c016640684ac28430a5a Signed-off-by: Colin Cross <ccross@android.com>
2013-11-15ion: fix crash when alloc len is -1Colin Cross
If userspace passes a length between -4095 and -1 to allocate it will pass the len != 0 check, but when len is page aligned it will be 0. Check len after page aligning. Drop the warning as well, userspace shouldn't be able to trigger a warning in the kernel. Change-Id: I96c7142637638991f3a9af9be7cfbb50f79f3803 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-15ion: hold reference to handle after ion_uhandle_getColin Cross
commit 1262ab1846cf76f7549c66ef709120dbfbe6d49f (ion: replace userspace handle cookies with idr) broke the locking in ion. The ION_IOC_FREE and ION_IOC_MAP ioctls were relying on ion_handle_validate to detect the case where a call raced with another ION_IOC_FREE which may have freed the struct ion_handle. Rename ion_uhandle_get to ion_handle_get_by_id, and have it take the client lock and return with an extra reference to the handle. Make each caller put its reference once it is done with the handle. Also modify users of ion_handle_validate to continue to hold the client lock after calling ion_handle_validate until they are done with the handle, and warn if ion_handle_validate is called without the client lock held. Change-Id: I56da5624fca3bed4ee24806b6ec39de903543341 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-14ion: Fix compat support to use proper compat ioctl numbersJohn Stultz
The compat support added to ion didn't provide compat ioctl numbers (who's value depends on the compat structure size). So 32bit applications would get an error when trying to make ioctl calls. This patch adds the needed COMPAT_ macros and uses them in the compat_ion_ioctl, translating them to their non-compat cmd when calling the normal ioctl call. Change-Id: I53636d4ec46d8dc5e694697aaf2d62b98bd78cb1 Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-11-07drivers: staging: android: split uapi out of sync.h and sw_sync.hColin Cross
Move the userspace interfaces of sync.h and sw_sync.h to drivers/staging/android/uapi/ Change-Id: I3b2598b37385bb993bd03f5faa98a8e196befe45 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-07drivers: staging: android: split uapi out of binder.hColin Cross
Move the userspace interface of binder.h to drivers/staging/android/uapi/binder.h. Change-Id: I2e56ba89ade5e1f33b121e6ecd456392d588a14e Signed-off-by: Colin Cross <ccross@android.com>
2013-11-07drivers: staging: android: split uapi out of ashmem.hColin Cross
Move the userspace interface of ashmem.h to drivers/staging/android/uapi/ashmem.h Change-Id: I60f5baa4ce8e2425262a406f2733c089ec55aa72 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-07drivers: staging: android: split uapi out of android_alarm.hColin Cross
Move the userspace interface of android_alarm.h to drivers/staging/android/uapi/android_alarm.h Change-Id: Ieb96e8e9bf742786efc4e248e6a242dab8199ca3 Signed-off-by: Colin Cross <ccross@android.com>
2013-11-07ion: move userspace api into uapi/ion.hColin Cross
Split the userspace api out of drivers/staging/android/ion/ion.h into drivers/staging/android/uapi/ion.h Change-Id: I51baa4a7c86bf99c493e28a15f8664a489fd5a2d Signed-off-by: Colin Cross <ccross@android.com>
2013-11-07ion: move into stagingColin Cross
Move ion from drivers/gpu/ion to drivers/android/staging/ion. Change-Id: Id6e996aa3954cbb8e1a8abc9578a56204f5eb211 Signed-off-by: Colin Cross <ccross@android.com>
2013-10-29Merge branch 'android-3.10-adf' into android-3.10Greg Hackmann
2013-10-24sync: Fix a race condition between release_obj and print_objAlistair Strachan
Before this change, a timeline would only be removed from the timeline list *after* the sync driver had its release_obj() called. However, the driver's release_obj() may free resources needed by print_obj(). Although the timeline list is locked when print_obj() is called, it is not locked when release_obj() is called. If one CPU was in print_obj() when another was in release_obj(), the print_obj() may make unsafe accesses. It is not actually necessary to hold the timeline list lock when calling release_obj() if the call is made after the timeline is unlinked from the list, since there is no possibility another thread could be in -- or enter -- print_obj() for that timeline. This change moves the release_obj() call to after the timeline is unlinked, preventing the above race from occurring. Signed-off-by: Alistair Strachan <alistair.strachan@imgtec.com> (cherry picked from commit 3bfc1e9e0c7d0c0e3f52ee1f3803482416afa295) Change-Id: Ib2b2b23fde5be34016f9d86b8b9c5e561b56cd4c
2013-10-13sync: signal pt before sync_timeline object gets destroyedPrakash Kamliya
There is a race condition Assume we have *one* sync_fence object, with *one* sync_pt which belongs to *one* sync_timeline, given this condition, sync_timeline->kref will have two counts, one for sync_timeline (implicit) and another for sync_pt. Assume following is the situation on CPU Theead-1 : (Thread which calls sync_timeline_destroy()) -> (some function calls) -> sync_timeline_destory() -> sync_timeline_signal() (CPU is inside this function after putting reference to sync_timeline) At this time Thread-2 comes and does following Thread-2 : (fclose on fence fd) > sync_fence_release() -> because of fclose() on fence object -> sync_fence_free() -> sync_pt_free() -> kref_put(&pt->parent->kref, sync_timeline_free); -> sync_timeline_free() (CPU is inside this because this time kref will be zero after _put) Thread-2 will free sync_timeline object before Thread-1 has finished its work inside sync_timeline_signal. With this change we signals all sync_pt before putting reference to sync_timeline object. Change-Id: Ic680e4d0bbef1c46bcb7cfba693395645241d203 Signed-off-by: Prakash Kamliya <pkamliya@codeaurora.org>
2013-10-11staging: sw_sync: add stubs for kernels without CONFIG_SW_SYNCGreg Hackmann
Change-Id: I7a12679eb3c10b1beaf36c6612cf2e3f6662a034 Signed-off-by: Greg Hackmann <ghackmann@google.com>
2013-07-01binder: use freezable blocking callsColin Cross
Avoid waking up every thread sleeping in a binder call during suspend and resume by calling a freezable blocking call. Previous patches modified the freezer to avoid sending wakeups to threads that are blocked in freezable blocking calls. This call was selected to be converted to a freezable call because it doesn't hold any locks or release any resources when interrupted that might be needed by another freezing task or a kernel driver during suspend, and is a common site where idle userspace tasks are blocked. Change-Id: Ic4458ae90447f6caa895cc62f08e515caa7790ba Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-07-01ashmem: avoid deadlock between read and mmap callsTodd Poynor
Avoid holding ashmem_mutex across code that can page fault. Page faults grab the mmap_sem for the process, which are also held by mmap calls prior to calling ashmem_mmap, which locks ashmem_mutex. The reversed order of locking between the two can deadlock. The calls that can page fault are read() and the ASHMEM_SET_NAME and ASHMEM_GET_NAME ioctls. Move the code that accesses userspace pages outside the ashmem_mutex. Bug: 9261835 Change-Id: If1322e981d29c889a56cdc9dfcbc6df2729a45e9 Signed-off-by: Todd Poynor <toddpoynor@google.com> Conflicts: drivers/staging/android/ashmem.c
2013-07-01lowmemorykiller: make default lowmemorykiller debug message usefulColin Cross
lowmemorykiller debug messages are inscrutable and mostly useful for debugging the lowmemorykiller, not explaining why a process was killed. Make the messages more useful by prefixing them with "lowmemorykiller: " and explaining in more readable terms what was killed, who it was killed for, and why it was killed. The messages now look like: [ 76.997631] lowmemorykiller: Killing 'droid.gallery3d' (2172), adj 1000, [ 76.997635] to free 27436kB on behalf of 'kswapd0' (29) because [ 76.997638] cache 122624kB is below limit 122880kB for oom_score_adj 1000 [ 76.997641] Free memory is -53356kB above reserved A negative number for free memory above reserved means some of the reserved memory has been used and is being regenerated by kswapd, which is likely what called the shrinkers. Change-Id: I1fe983381e73e124b90aa5d91cb66e55eaca390f Signed-off-by: Colin Cross <ccross@android.com>
2013-07-01Add security hooks to binder and implement the hooks for SELinux.Stephen Smalley
Add security hooks to the binder and implement the hooks for SELinux. The security hooks enable security modules such as SELinux to implement controls over binder IPC. The security hooks include support for controlling what process can become the binder context manager (binder_set_context_mgr), controlling the ability of a process to invoke a binder transaction/IPC to another process (binder_transaction), controlling the ability a process to transfer a binder reference to another process (binder_transfer_binder), and controlling the ability of a process to transfer an open file to another process (binder_transfer_file). This support is used by SE Android, http://selinuxproject.org/page/SEAndroid. Change-Id: I9a64a87825df2e60b9c51400377af4a9cd1c4049 Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2013-07-01staging: android: lowmemorykiller: Add config option to support oom_adj valuesArve Hjønnevåg
The conversion to use oom_score_adj instead of the deprecated oom_adj values breaks existing user-space code. Add a config option to convert oom_adj values written to oom_score_adj values if they appear to be valid oom_adj values. Change-Id: I68308125059b802ee2991feefb07e9703bc48549 Signed-off-by: Arve Hjønnevåg <arve@android.com>
2013-07-01staging: remove Greg's TODO, now obsolete.Brian Swetland
Signed-off-by: Brian Swetland <swetland@google.com>
2013-07-01staging: android: lowmemorykiller: Fix task_struct leakSan Mehat
As it turns out, the CONFIG_PROFILING interfaces leak a task struct if the notifier chain returns NOTIFY_OK.. doh. This patch reworks lowmemkiller to use the new generic task free notifier chain. Signed-off-by: San Mehat <san@google.com>
2013-07-01ashmem: Add shmem_set_file to mm/shmem.cJohn Stultz
NOT FOR STAGING This patch re-adds the original shmem_set_file to mm/shmem.c and converts ashmem.c back to using it. CC: Brian Swetland <swetland@google.com> CC: Colin Cross <ccross@android.com> CC: Arve Hjønnevåg <arve@android.com> CC: Dima Zavin <dima@android.com> CC: Robert Love <rlove@google.com> CC: Greg KH <greg@kroah.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-06-18Merge branch 'v4l_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: "Series of fixes for 3.10. There are some usual driver fixes (mostly on s5p/exynos playform drivers), plus some fixes at V4L2 core" * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (40 commits) [media] soc_camera: error dev remove and v4l2 call [media] sh_veu: fix the buffer size calculation [media] sh_veu: keep power supply until the m2m context is released [media] sh_veu: invoke v4l2_m2m_job_finish() even if a job has been aborted [media] v4l2-ioctl: don't print the clips list [media] v4l2-ctrls: V4L2_CTRL_CLASS_FM_RX controls are also valid radio controls [media] cx88: fix NULL pointer dereference [media] DocBook/media/v4l: update version number [media] exynos4-is: Remove "sysreg" clock handling [media] exynos4-is: Fix reported colorspace at FIMC-IS-ISP subdev [media] exynos4-is: Ensure fimc-is clocks are not enabled until properly configured [media] exynos4-is: Prevent NULL pointer dereference when firmware isn't loaded [media] s5p-mfc: Add NULL check for allocated buffer [media] s5p-mfc: added missing end-of-lines in debug messages [media] s5p-mfc: v4l2 controls setup routine moved to initialization code [media] s5p-mfc: separate encoder parameters for h264 and mpeg4 [media] s5p-mfc: Remove special clock usage in driver [media] s5p-mfc: Remove unused s5p_mfc_get_decoded_status_v6() function [media] v4l2: mem2mem: save irq flags correctly [media] coda: v4l2-compliance fix: add VIDIOC_CREATE_BUFS support ...
2013-06-06Merge tag 'staging-3.10-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg Kroah-Hartman: "Here are some staging and IIO driver fixes for the 3.10-rc5 release. All of them are tiny, and fix a number of reported issues (build and runtime)" Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> * tag 'staging-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio:inkern: Fix typo/bug in convert raw to processed. iio: frequency: ad4350: Fix bug / typo in mask inkern: iio_device_put after incorrect return/goto staging: alarm-dev: information leak in alarm_compat_ioctl() iio:callback buffer: free the scan_mask staging: alarm-dev: information leak in alarm_ioctl() drivers: staging: zcache: fix compile error staging: dwc2: fix value of dma_mask
2013-06-04staging: alarm-dev: information leak in alarm_compat_ioctl()Dan Carpenter
If we pass an invalid clock type then "ts" is never set. We need to check for errors earlier, otherwise we end up passing uninitialized stack data to userspace. Reported-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-03staging: alarm-dev: information leak in alarm_ioctl()Dan Carpenter
Smatch complains that if we pass an invalid clock type then "ts" is never set. We need to check for errors earlier, otherwise we end up passing uninitialized stack data to userspace. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-30drivers: staging: zcache: fix compile errorBob Liu
Fix below compile error: drivers/built-in.o: In function `zcache_pampd_free': >> zcache-main.c:(.text+0xb1c8a): undefined reference to `ramster_pampd_free' >> zcache-main.c:(.text+0xb1cbc): undefined reference to `ramster_count_foreign_pages' drivers/built-in.o: In function `zcache_pampd_get_data_and_free': >> zcache-main.c:(.text+0xb1f05): undefined reference to `ramster_count_foreign_pages' drivers/built-in.o: In function `zcache_cpu_notifier': >> zcache-main.c:(.text+0xb228d): undefined reference to `ramster_cpu_up' >> zcache-main.c:(.text+0xb2339): undefined reference to `ramster_cpu_down' drivers/built-in.o: In function `zcache_pampd_create': >> (.text+0xb26ce): undefined reference to `ramster_count_foreign_pages' drivers/built-in.o: In function `zcache_pampd_create': >> (.text+0xb27ef): undefined reference to `ramster_count_foreign_pages' drivers/built-in.o: In function `zcache_put_page': >> (.text+0xb299f): undefined reference to `ramster_do_preload_flnode' drivers/built-in.o: In function `zcache_flush_page': >> (.text+0xb2ea3): undefined reference to `ramster_do_preload_flnode' drivers/built-in.o: In function `zcache_flush_object': >> (.text+0xb307c): undefined reference to `ramster_do_preload_flnode' drivers/built-in.o: In function `zcache_init': >> zcache-main.c:(.text+0xb3629): undefined reference to `ramster_register_pamops' >> zcache-main.c:(.text+0xb3868): undefined reference to `ramster_init' >> drivers/built-in.o:(.rodata+0x15058): undefined reference to `ramster_foreign_eph_pages' >> drivers/built-in.o:(.rodata+0x15078): undefined reference to `ramster_foreign_pers_pages' Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bob Liu <bob.liu@oracle.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-30staging: dwc2: fix value of dma_maskPaul Zimmerman
Passing the value DMA_BIT_MASK(31) to dma_set_mask() causes the dwc2-pci driver to sometimes fail (cannot enumerate the connected device). Change it to DMA_BIT_MASK(32) instead, which is a more sensible value anyway. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-27[media] staging/solo6x10: select the desired fontXiong Zhou
Make sure FONT_8x16 can be found by find_font(). Signed-off-by: Xiong Zhou <jencce.kernel@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-05-27[media] drivers/staging: davinci: vpfe: fix dependency for building the driverLad, Prabhakar
from commit 3778d05036cc7ddd983ae2451da579af00acdac2 [media: davinci: kconfig: fix incorrect selects] VIDEO_VPFE_CAPTURE was removed but there was a negative dependancy for building the DM365 VPFE MC based capture driver (VIDEO_DM365_VPFE), This patch fixes this dependency by replacing the VIDEO_VPFE_CAPTURE with VIDEO_DM365_ISIF, so as when older DM365 ISIF v4l driver is selected the newer media controller driver for DM365 isnt visible. Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-05-24Merge remote-tracking branch 'pfdo/drm-fixes' into drm-nextDave Airlie
Pull the vblank event changes into a Linus master tree to make merging easier.
2013-05-23Merge tag 'staging-3.10-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg Kroah-Hartman: "Here are some staging tree driver fixes for 3.10-rc2 The drivers/iio/ changes are here as they are still tied into drivers/staging/iio/. Nothing major, just a number of small bugfixes, and a larger documentation update for the ramster code." * tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits) staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS iio: exynos_adc: fix wrong structure extration in suspend and resume iio:common:st: added disable function after read info raw data iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe() staging/iio/mxs-lradc: fix preenable for multiple buffers staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()' staging: video: imx: Select VIDEOMODE_HELPERS for parallel display staging: ramster: add how-to document staging: dwc2: Fix dma-enabled platform devices using a default dma_mask staging: vt6656: [bug] Fix missing spin lock in iwctl_siwpower. staging: Swap zram and zsmalloc in Kconfig staging: android: logger: use kuid_t instead of uid_t staging: zcache: Fix incorrect module_param_array types staging/solo6x10: depend on CONFIG_FONTS staging/drm: imx: add missing dependencies staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning staging: sep: fix driver build and kconfig staging: nvec: cleanup childs on remove staging: nvec: implement unregistering of notifiers ...
2013-05-23Merge tag 'usb-3.10-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg Kroah-Hartman: "Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2 The majority of these are USB gadget fixes, but they are all small. Other than that, some USB host controller fixes, and USB serial driver fixes for problems reported with them. Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems to be almost impossible to get right for all of the different platforms these days." * tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits) USB: cxacru: potential underflow in cxacru_cm_get_array() USB: ftdi_sio: Add support for Newport CONEX motor drivers USB: option: add device IDs for Dell 5804 (Novatel E371) WWAN card usb: ohci: fix goto wrong tag in err case usb: isp1760-if: fix memleak when platform_get_resource fail usb: ehci-s5p: fix memleak when fallback to pdata USB: serial: clean up chars_in_buffer USB: ti_usb_3410_5052: fix chars_in_buffer overhead USB: io_ti: fix chars_in_buffer overhead USB: ftdi_sio: fix chars_in_buffer overhead USB: ftdi_sio: clean up get_modem_status USB: serial: add generic wait_until_sent implementation USB: serial: add wait_until_sent operation USB: set device dma_mask without reference to global data USB: Blacklisted Cinterion's PLxx WWAN Interface usb: option: Add Telewell TW-LTE 4G USB: EHCI: remove bogus #error USB: reset resume quirk needed by a hub USB: usb-stor: realtek_cr: Fix compile error usb, chipidea: fix link error when USB_EHCI_HCD is a module ...
2013-05-22staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFSPaul Zimmerman
Remove the compile-time warning for this config option, and instead warn that it is experimental in the Kconfig text Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-22staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()Wei Yongjun
Fix to return -EINVAL in the i2c device found error handling case instead of 0, as done elsewhere in this function. And also correct the fail1 and fail2 lable to do the right thing. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22staging/iio/mxs-lradc: fix preenable for multiple buffersMichał Mirosław
This fixes 'preenable failed: -EINVAL' error when using this driver. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22drm/imx: use drm_send_vblank_event() helperRob Clark
Also, slightly changes the behavior to always put the vblank irq, even if userspace did not request a vblank event. As far as I can tell, the previous code would leak a vblank irq refcnt if userspace requested a pageflip without event. Signed-off-by: Rob Clark <rob@ti.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-05-21staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()'Fabio Estevam
Since commit c8801a8 (regulator: core: Mark all get and enable calls as __must_check) we need to check the value returned by 'regulator_enable()'. Do this check to get rid of the following build warning: drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe': drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result] Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21staging: video: imx: Select VIDEOMODE_HELPERS for parallel displayMarek Vasut
Without this, I get the following problem when building kernel: drivers/built-in.o: In function `imx_pd_connector_get_modes': /linux-2.6/drivers/staging/imx-drm/parallel-display.c:78: undefined reference to `of_get_drm_display_mode' make: *** [vmlinux] Error 1 Signed-off-by: Marek Vasut <marex@denx.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21[media] davinci: vpfe: fix error return code in vpfe_probe()Wei Yongjun
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-05-20staging: ramster: add how-to documentDan Magenheimer
Add how-to documentation that provides a step-by-step guide for configuring and trying out a ramster cluster. Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-18drivers/staging/nvec: don't check resource with devm_ioremap_resourceWolfram Sang
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-05-18drivers/staging/dwc2: don't check resource with devm_ioremap_resourceWolfram Sang
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-05-17staging: dwc2: Fix dma-enabled platform devices using a default dma_maskMatthijs Kooijman
Platform devices added through OF usually do not have any dma_mask pointer set. If the hardware advertises DMA support, the driver will expect DMA buffers to be passed in, but the USB core will not do this due to lack of a dma mask, breaking all connectiviy. To fix this, set a default dma_mask by pointing it at the coherent_dma_mask and set their value to a 32 bit mask. This still allows any platform code to set any more specific mask if needed, but makes the driver work for most dma-enabled hardware. It would be great if this patch could be included in 3.10, since it is needed to make the dwc2 driver work on the ralink rt3052 target. Before, the plan was to set up the dma mask in MIPS platform code, but because of a similar change in ehci and the uglyness of the code for that, the plan for that infrastructure was dropped. This patch makes the setting of the dma_mask happen in the same way as the patch Stephen Warren (set device dma_mask without reference to global data). Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-16staging: vt6656: [bug] Fix missing spin lock in iwctl_siwpower.Malcolm Priestley
Fixes occasional dead lock on power up / down. spin_lock_irq is used because of unlocking with spin_unlock_irq elsewhere in the driver. Only relevant to kernels 3.8 and later when command was transferred to the iw_handler. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: stable@vger.kernel.org # 3.8+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-16staging: Swap zram and zsmalloc in KconfigJean Delvare
ZRAM support depends on ZSMALLOC so present ZSMALLOC to the user first. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-16staging: android: logger: use kuid_t instead of uid_tXiong Zhou
Use kuid_t instead of uid_t, to pass the UIDGID_STRICT_TYPE_CHECKS. Signed-off-by: Xiong Zhou <jencce.kernel@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-16staging: zcache: Fix incorrect module_param_array typesGeert Uytterhoeven
drivers/staging/zcache/zcache-main.c: In function ‘__check_disable_cleancache’: drivers/staging/zcache/zcache-main.c:1928: warning: return from incompatible pointer type drivers/staging/zcache/zcache-main.c: In function ‘__check_disable_frontswap’: drivers/staging/zcache/zcache-main.c:1929: warning: return from incompatible pointer type drivers/staging/zcache/zcache-main.c: In function ‘__check_disable_frontswap_ignore_nonactive’: drivers/staging/zcache/zcache-main.c:1933: warning: return from incompatible pointer type Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-16staging/solo6x10: depend on CONFIG_FONTSArnd Bergmann
The new SOLO6X10 driver needs the built-in console fonts, specifically the VGA8x16 font and building it without console support results in a link error error. drivers/built-in.o: In function `solo_osd_print': :(.text+0x7d3424): undefined reference to `find_font' This adds a dependency on the CONFIG_FONTS symbol and changes the console code to always build the base driver even if there are no specific fonts built-in. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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