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drm/vc4: mark vc4_bo_cache_purge() static

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We get 1 warning when building kernel with W=1:
drivers/gpu/drm/vc4/vc4_bo.c:147:6: warning: no previous prototype for 'vc4_bo_cache_purge' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
So this patch marks it 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Baoyou Xie 2016-09-08 19:03:20 +08:00 committed by Eric Anholt
parent 313a61d307
commit ea90383837
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/vc4/vc4_bo.c
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@ -144,7 +144,7 @@ static struct list_head *vc4_get_cache_list_for_size(struct drm_device *dev,
return &vc4->bo_cache.size_list[page_index];
}
void vc4_bo_cache_purge(struct drm_device *dev)
static void vc4_bo_cache_purge(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);