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In commit 8a0044846115e74552b671a7073cffeec14b9316 ("staging/android:
create a 'sync' dir for debugfs information"), modular references were
introduced to this file. However if we look, we find:
drivers/staging/android/Makefile:obj-$(CONFIG_SYNC) += sync.o sync_debug.o
drivers/staging/android/Kconfig:config SYNC
drivers/staging/android/Kconfig: bool "Synchronization framework"
This file isn't currently buildable as a module, and hence the code
for module_exit is just dead code. Remove it and the module.h include.
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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>
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'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>
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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>
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This remove CONFIG_SW_SYNC_USER and instead compile the sw_sync file into
debugpfs under <debugfs>/sync/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>
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Creates the 'sync' dir on debugfs root dir and move the 'sync' file
to sync/info. This is the preparation to add more debug info and control.
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>
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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>
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This is a patch to the sync_debug.c file that rectifies a brace warning
that was found with the checkpatch.pl tool
Signed-off-by: Bopamo Osaisai <bopamo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Debug output assumes all sync points are built on top of Android sync points
and when we start creating them from dma-fences will NULL ptr deref unless
taught about this.
v4: Corrected patch ownership.
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: devel@driverdev.osuosl.org
Cc: Riley Andrews <riandrews@android.com>
Cc: Arve Hjønnevåg <arve@android.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a patch to sync_debug.c that fixes an over 80 character warning found by the checkpatch.pl tool
Signed-off-by: Steve Pennington <sgpenn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'timeval' is used to print timestamps in seconds and millisecond.
32-bit systems using 'struct timeval' will break in the year 2038,
So we have to replace that code with more appropriate types.
This patch changes the android driver to use timespec64.
Since this is a staging driver and the output is only used for a
debugfs file, it is fine to slightly change the output and
use nanoseconds instead. ktime_to_timespec64, is used which will return
seconds and nanoseconds.
Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the following checkpatch warnings:
- Remove else after return
- Add space after declaration
Tested by compilation only.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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>
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