We get 1 warning when building kernel with W=1:
drivers/dma-buf/sw_sync.c:87:23: warning: no previous prototype for 
'sync_timeline_create' [-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....@linaro.org>
 drivers/dma-buf/sw_sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c
index 62e8e6d..6f16c85 100644
--- a/drivers/dma-buf/sw_sync.c
+++ b/drivers/dma-buf/sw_sync.c
@@ -84,7 +84,7 @@ static inline struct sync_pt *fence_to_sync_pt(struct fence 
  * Creates a new sync_timeline. Returns the sync_timeline object or NULL in
  * case of error.
-struct sync_timeline *sync_timeline_create(const char *name)
+static struct sync_timeline *sync_timeline_create(const char *name)
        struct sync_timeline *obj;

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