Commit f642de16 authored Feb 15, 2017 by Gustavo Padovan Committed by Sumit Semwal Feb 16, 2017

dma-buf/dma-fence: improve doc for dma_fence_add_callback()



Document return values for this function.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215175725.6692-1-gustavo@padovan.org

parent a49bf8fb

drivers/dma-buf/dma-fence.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -239,6 +239,8 @@ EXPORT_SYMBOL(dma_fence_enable_sw_signaling);
		* after it signals with dma_fence_signal. The callback itself can be called
		* from irq context.
		*
		* Returns 0 in case of success, -ENOENT if the fence is already signaled
		* and -EINVAL in case of error.
		*/
		int dma_fence_add_callback(struct dma_fence fence, struct dma_fence_cb cb,
		dma_fence_func_t func)