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path: root/drivers/staging/android/sync.h (follow)
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2016-06-17staging/android: rename sync.h to sync_debug.hGustavo Padovan1-85/+0
This header file only contains information for debugging and SW_SYNC, so rename it to sync_debug.h instead of having a more generic name. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: remove drv_name from sync_timelineGustavo Padovan1-2/+0
As it is internal to sw_sync now this value will always be "sw_sync". Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: remove 'destroyed' member from struct sync_timelineGustavo Padovan1-4/+1
'destroyed' was set but not used ny anyone. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: make sync_timeline internal to sw_syncGustavo Padovan1-58/+0
The only use sync_timeline will have in upstream kernel is for debugging through the SW_SYNC interface. So make it internal to SW_SYNC to avoid people use it in the future. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: clean up #includes in the sync frameworkGustavo Padovan1-3/+0
Most of the includes there are not necessary anymore. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: move sw_sync related code to sw_sync.cGustavo Padovan1-0/+2
Split sync_debug and sw_sync in two different files. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: bring struct sync_pt backGustavo Padovan1-4/+25
Move the list_head members from sync_pt to struct fence was a mistake, they will not be used by struct fence as planned before, so here we create sync_pt again to bring the list heads back. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: remove size arg of sync_timeline_create()Gustavo Padovan1-5/+2
After we removed sw_sync_timeline this arg has not been really used by anyone, all its users pass the size of struct sync_timeline there. So simplify this function but not requiring the size anymore. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: remove struct sync_timeline_opsGustavo Padovan1-19/+9
Move drv_name, the last field of sync_timeline_ops, to sync_timeline and remove sync_timeline_ops. struct sync_timeline_ops was just an extra abstraction on top of fence_ops, and in the last few commits we removed all it ops in favor of cleaner fence_ops. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: remove .{fence, timeline}_value_str() from timeline_opsGustavo Padovan1-9/+0
Now that the value of fence and the timeline are not stored by sw_sync anymore we can remove this extra abstraction to retrieve this data. This patch changes both fence_ops (.fence_value_str and .timeline_value_str) to return the str directly. It also clean up struct sync_timeline_ops by removing both ops from there. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-17staging/android: store last signaled value on sync timelineGustavo Padovan1-9/+5
Now fence timeline is aware of the last signaled fence, as it receives the increment to the current value in sync_timeline_signal(). That allow us to remove .has_signaled() from timeline_ops as we can directly compare using timeline->value and fence->seqno in sync.c Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29dma-buf/sync_file: de-stage sync_file headersGustavo Padovan1-2/+2
Move sync_file headers file to include/ dir. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: prepare sync_file for de-stagingGustavo Padovan1-36/+2
Move its functions and structs to their own file. Also moves function's docs to the .c file. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: remove name arg from sync_file_create()Gustavo Padovan1-1/+1
Simplifies the API to only receive the fence it needs to add to the sync and create a name for the sync_file based on the fence context and seqno. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: make sync_file_fdget() staticGustavo Padovan1-1/+0
There is no plan in the near future to use this function outside of this file so keep it as static. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: make sync_file_merge() staticGustavo Padovan1-2/+0
There is no plan in the near future to use this function outside of this file so keep it as static. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: move sync_file functions comments to sync.cGustavo Padovan1-31/+0
To keep comments in line with drivers/dma-buf/ move all sync_file comments to sync.c. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29staging/android: drop sync_file_install() and sync_file_put()Gustavo Padovan1-19/+0
These two functions are just wrappers for one line functions, they call fd_install() and fput() respectively, so just get rid of them and use fd_install() and fput() directly for more simplicity. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: remove driver_data from struct sync_fence_infoGustavo Padovan1-7/+0
It is unclear in what situations driver_data should be used thus better do not upstream it for now. If a need arises in the future a discussion can be started to re-add it. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: remove SYNC_WAIT ioctlGustavo Padovan1-13/+0
This ioctl is replicating the work of poll() syscall so let's take the opportunity that this is still on staging tree and remove the duplication and force new users to use the poll() standard interface. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: remove sync_fence_create_dma()Gustavo Padovan1-10/+0
With the removal of struct sync_pt sync_fence_create_dma() now takes the same arguments as sync_fence_create() so let's keep only sync_fence_create(). Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: remove struct sync_ptGustavo Padovan1-43/+20
struct sync_pt was just wrapping around struct fence and creating an extra abstraction layer. The only two members of struct sync_pt, child_list and active_list, were moved to struct fence in an earlier commit. After removing those two members struct sync_pt is nothing more than struct fence, so remove it all and use struct fence directly. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: rename 'sync_pt' to 'fence' in struct sync_fence_cbGustavo Padovan1-1/+1
'sync_pt' is actually declared as struct fence so to make the name means its type we rename it to 'fence'. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: rename sync_fence to sync_fileGustavo Padovan1-49/+49
sync_file has a more close meaning to what a sync_fence really, a struct that represent a file that can be used by userspace to get information on a fence, or wait for it to be signaled. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: remove not used sync_timeline opsGustavo Padovan1-19/+0
.dup and .compare are not used by the sync framework, so remove them from sw_sync. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: sync: remove interfaces that are not usedGustavo Padovan1-50/+0
These interfaces are not used nor have plans to be used in the near future so remove them for a cleaner solution before de-staging the sync framework. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07staging/android: fix sync framework documentationGustavo Padovan1-24/+21
Updates comments about functions and structures. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-21staging/android/sync: add sync_fence_create_dmaMaarten Lankhorst1-0/+10
This allows users of dma fences to create a android fence. v2: Added kerneldoc. (Tvrtko Ursulin). v4: Updated comments from review feedback my Maarten. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: devel@driverdev.osuosl.org Cc: Riley Andrews <riandrews@android.com> Cc: Arve Hjønnevåg <arve@android.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-14staging: android: Remove unnecessary externsJoe Perches1-5/+5
Using 'extern' is not necessary for function prototypes. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-28staging : android : sync : get_unused_fdHeinrich Schuchardt1-1/+2
sync.h recommends to use get_unused_fd which does not set O_CLOEXEC while the rest of the android tree uses get_unused_fd_flags and sets O_CLOEXEC. The patch adjust the comment. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-08android: convert sync to fence api, v6Maarten Lankhorst1-34/+45
Just to show it's easy. Android syncpoints can be mapped to a timeline. This removes the need to maintain a separate api for synchronization. I've left the android trace events in place, but the core fence events should already be sufficient for debugging. v2: - Call fence_remove_callback in sync_fence_free if not all fences have fired. v3: - Merge Colin Cross' bugfixes, and the android fence merge optimization. v4: - Merge with the upstream fixes. v5: - Fix small style issues pointed out by Thomas Hellstrom. v6: - Fix for updates to fence api. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-18staging: android: split uapi out of sync.h and sw_sync.hColin Cross1-84/+2
Move the userspace interfaces of sync.h and sw_sync.h to drivers/staging/android/uapi/ Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Colin Cross <ccross@android.com> Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Colin Cross <ccross@android.com> [jstultz: Fixed up some conflicts from upstream spelling fixes] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-11staging : android : sync : fix a checkpatch warningDaeseok Youn1-1/+1
- WARNING: missing space after return type Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-11staging: android: Fix typo in android/sync.hMasanari Iida1-25/+25
Correct spelling typo in android/sync.h Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Refactor sync debug printingErik Gilling1-6/+13
Move driver callbacks to fill strings instead of using seq_files. This will allow those values to be used in a future tracepoint patch. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Change wait timeout to mirror poll semanticsErik Gilling1-4/+4
Change wait timeout to act like poll Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message, squished typo-fix] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add reference counting to timelinesErik Gilling1-0/+2
If a timeline is destroyed while fences still hold pts on it, the reworked fence release handler can cause the timeline to be freed before all it's points are freed. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Squished in compiler warning fix] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add internal refcounting to fencesErik Gilling1-0/+5
If a fence is released while a timeline that one of it's pts is on is being signaled, it is possible for that fence to be deleted before it is signaled. This patch adds a refcount for internal references such as signaled pt processing. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Allow async waits to be canceledErik Gilling1-7/+29
In order to allow drivers to cleanly handled teardown we need to allow them to cancel pending async waits. To do this cleanly, we move allocation of sync_fence_waiter to the driver calling sync_async_wait(). Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add ioctl to get fence dataErik Gilling1-0/+57
Add ioctl to get fence data Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Commit message tweaks] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add debugfs supportErik Gilling1-3/+17
Add support for debugfs Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Add commit message] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add timestamps to sync_ptsErik Gilling1-0/+5
Add ktime timestamps to sync_pt structure and update them when signaled Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-04staging: sync: Add synchronization frameworkErik Gilling1-0/+314
Sync is a framework for synchronization between multiple drivers. Sync implementations can take advantage of hardware synchronization built into devices like GPUs. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Added commit message, moved to staging, squished minor fix in] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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