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Commit e1aaf311 authored by Gustavo Padovan's avatar Gustavo Padovan Committed by Sumit Semwal
Browse files

dma-buf/fence-array: add fence_is_array() 



Add helper to check if fence is array.

v2: Comments from Chris Wilson
	- remove ternary if from ops comparison
	- add EXPORT_SYMBOL(fence_array_ops)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarSumit Semwal <sumit.semwal@linaro.org>
parent 9622c38f

drivers/dma-buf/fence-array.c

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ const struct fence_ops fence_array_ops = { 
	.wait = fence_default_wait,

	.release = fence_array_release,

};

EXPORT_SYMBOL(fence_array_ops);



/**

 * fence_array_create - Create a custom fence array

include/linux/fence-array.h

+10 −0
Original line number Diff line number Diff line
@@ -51,6 +51,16 @@ struct fence_array { 


extern const struct fence_ops fence_array_ops;



/**

 * fence_is_array - check if a fence is from the array subsclass

 *

 * Return true if it is a fence_array and false otherwise.

 */

static inline bool fence_is_array(struct fence *fence)

{

	return fence->ops == &fence_array_ops;

}



/**

 * to_fence_array - cast a fence to a fence_array

 * @fence: fence to cast to a fence_array