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| author | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2016-08-05 10:39:34 -0300 |
|---|---|---|
| committer | Sumit Semwal <sumit.semwal@linaro.org> | 2016-08-11 15:33:23 +0530 |
| commit | e1aaf311dbe82221910cc0e0809c988de210cc3c (patch) | |
| tree | 942432e8bdf1eed9f9cdaca00711604f571c9d8f | |
| parent | 9622c38f1cbab00aa2f52715ec950c5c5f838aa5 (diff) | |
| download | linux-e1aaf311dbe82221910cc0e0809c988de210cc3c.tar.gz linux-e1aaf311dbe82221910cc0e0809c988de210cc3c.tar.bz2 linux-e1aaf311dbe82221910cc0e0809c988de210cc3c.zip | |
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: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
| -rw-r--r-- | drivers/dma-buf/fence-array.c | 1 | ||||
| -rw-r--r-- | include/linux/fence-array.h | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/dma-buf/fence-array.c b/drivers/dma-buf/fence-array.c index a8731c853da6..ee500226197b 100644 --- a/drivers/dma-buf/fence-array.c +++ b/drivers/dma-buf/fence-array.c @@ -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 diff --git a/include/linux/fence-array.h b/include/linux/fence-array.h index 86baaa45567c..a44794e508df 100644 --- a/include/linux/fence-array.h +++ b/include/linux/fence-array.h @@ -52,6 +52,16 @@ 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 * |