From: Erik Gilling <[email protected]>

Improve the output of the timeout dumps, including
the fence pointer.

Cc: Maarten Lankhorst <[email protected]>
Cc: Erik Gilling <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Rob Clark <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Greg KH <[email protected]>
Cc: [email protected]
Cc: Android Kernel Team <[email protected]>
Signed-off-by: Erik Gilling <[email protected]>
[jstultz: Added commit message]
Signed-off-by: John Stultz <[email protected]>
---
 drivers/staging/android/sync.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index d54fa8d..92cdfe8 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -576,6 +576,8 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
                return fence->status;
 
        if (fence->status == 0) {
+               pr_info("fence timeout on [%p] after %dms\n", fence,
+                       jiffies_to_msecs(timeout));
                sync_dump();
                return -ETIME;
        }
@@ -849,7 +851,8 @@ static void sync_print_fence(struct seq_file *s, struct 
sync_fence *fence)
        struct list_head *pos;
        unsigned long flags;
 
-       seq_printf(s, "%s: %s\n", fence->name, sync_status_str(fence->status));
+       seq_printf(s, "[%p] %s: %s\n", fence, fence->name,
+                  sync_status_str(fence->status));
 
        list_for_each(pos, &fence->pt_list_head) {
                struct sync_pt *pt =
-- 
1.7.10.4

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