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drivers: gpu: Remove unused function in ttm_lock.c

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Remove unused function ttm_write_lock_downgrade() from
drm/ttm/ttm_lock.c.

This eliminates the following warning in drm/ttm/ttm_lock.c:
drivers/gpu/drm/ttm/ttm_lock.c:189:6: warning: no previous prototype for ‘ttm_write_lock_downgrade’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Rashika Kheria 2014-01-06 22:15:56 +05:30 committed by Thomas Hellstrom
parent dcbff15a60
commit 5202870412
1 changed files with 0 additions and 8 deletions
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8
drivers/gpu/drm/ttm/ttm_lock.c
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@ -186,14 +186,6 @@ int ttm_write_lock(struct ttm_lock *lock, bool interruptible)
}
EXPORT_SYMBOL(ttm_write_lock);
void ttm_write_lock_downgrade(struct ttm_lock *lock)
{
spin_lock(&lock->lock);
lock->rw = 1;
wake_up_all(&lock->queue);
spin_unlock(&lock->lock);
}
static int __ttm_vt_unlock(struct ttm_lock *lock)
{
int ret = 0;