diff options
| 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 /include/linux/fence-array.h | |
| parent | drm/dp_helper: Rate limit timeout errors from drm_dp_i2c_do_msg() (diff) | |
| download | linux-dev-e1aaf311dbe82221910cc0e0809c988de210cc3c.tar.xz linux-dev-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>
Diffstat (limited to 'include/linux/fence-array.h')
| -rw-r--r-- | include/linux/fence-array.h | 10 |
1 files changed, 10 insertions, 0 deletions
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 * |