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drm/vc4: mark vc4_bo_cache_purge() static
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>
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@ -144,7 +144,7 @@ static struct list_head *vc4_get_cache_list_for_size(struct drm_device *dev,
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return &vc4->bo_cache.size_list[page_index];
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}
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void vc4_bo_cache_purge(struct drm_device *dev)
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static void vc4_bo_cache_purge(struct drm_device *dev)
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{
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struct vc4_dev *vc4 = to_vc4_dev(dev);
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