linux-kernel - [PATCH 80/85] drivers: gpu: Remove unused function in ttm

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Date:	Mon, 6 Jan 2014 22:15:56 +0530
From:	Rashika Kheria <rashika.kheria@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Airlie <airlied@...ux.ie>,
	Rashika Kheria <rashika.kheria@...il.com>,
	dri-devel@...ts.freedesktop.org, josh@...htriplett.org
Subject: [PATCH 80/85] drivers: gpu: Remove unused function in ttm_lock.c

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@...il.com>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
---
 drivers/gpu/drm/ttm/ttm_lock.c |    8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_lock.c b/drivers/gpu/drm/ttm/ttm_lock.c
index 3daa9a3..6a95454 100644
--- a/drivers/gpu/drm/ttm/ttm_lock.c
+++ b/drivers/gpu/drm/ttm/ttm_lock.c
@@ -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;
-- 
1.7.9.5

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