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dma-fence: Make ->wait callback optional

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Almost everyone uses dma_fence_default_wait.

Reviewed-by: Christian König <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Gustavo Padovan <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
This commit is contained in:
Daniel Vetter 2018-04-27 08:17:12 +02:00
commit 49a53d493e
4 changed files with 12 additions and 8 deletions
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1
drivers/dma-buf/dma-fence-array.c
View file

@ -104,7 +104,6 @@ const struct dma_fence_ops dma_fence_array_ops = {
.get_timeline_name = dma_fence_array_get_timeline_name,
.enable_signaling = dma_fence_array_enable_signaling,
.signaled = dma_fence_array_signaled,
.wait = dma_fence_default_wait,
.release = dma_fence_array_release,
};
EXPORT_SYMBOL(dma_fence_array_ops);

5
drivers/dma-buf/dma-fence.c
View file

@ -158,7 +158,10 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout)
return -EINVAL;
trace_dma_fence_wait_start(fence);
ret = fence->ops->wait(fence, intr, timeout);
if (fence->ops->wait)
ret = fence->ops->wait(fence, intr, timeout);
else
ret = dma_fence_default_wait(fence, intr, timeout);
trace_dma_fence_wait_end(fence);
return ret;
}

1
drivers/dma-buf/sw_sync.c
View file

@ -188,7 +188,6 @@ static const struct dma_fence_ops timeline_fence_ops = {
.get_timeline_name = timeline_fence_get_timeline_name,
.enable_signaling = timeline_fence_enable_signaling,
.signaled = timeline_fence_signaled,
.wait = dma_fence_default_wait,
.release = timeline_fence_release,
.fence_value_str = timeline_fence_value_str,
.timeline_value_str = timeline_fence_timeline_value_str,