diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-04-13 17:43:40 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-07-17 16:03:43 +0300 |
| commit | adb8963f27e00273c912a53f28f7af5d14cfd32e (patch) | |
| tree | 367b5ebcd62ae4e784d69bb19b880340ce7e8ebe /drivers/media/platform/vsp1/vsp1_entity.h | |
| parent | df5c3e7c8a87a4384ff7a0adba16baae9a40a566 (diff) | |
| download | linux-adb8963f27e00273c912a53f28f7af5d14cfd32e.tar.xz | |
[media] v4l: vsp1: Don't sleep in atomic context
The vsp1_entity_is_streaming() function is called in atomic context when
queuing buffers, and sleeps due to a mutex. As the mutex just protects
access to one structure field, fix this by replace the mutex with a
spinlock.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_entity.h')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_entity.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h index 62c768d1c6aa..8867a5787c28 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.h +++ b/drivers/media/platform/vsp1/vsp1_entity.h @@ -14,7 +14,7 @@ #define __VSP1_ENTITY_H__ #include <linux/list.h> -#include <linux/mutex.h> +#include <linux/spinlock.h> #include <media/v4l2-subdev.h> @@ -73,7 +73,7 @@ struct vsp1_entity { struct vsp1_video *video; - struct mutex lock; /* Protects the streaming field */ + spinlock_t lock; /* Protects the streaming field */ bool streaming; }; |