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[media] media: mem2mem: make reference to struct m2m_ops in the core const 

The mem2mem core doesn't change struct m2m_ops, provided by the driver,
make references to it const.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2012-09-11 06:32:17 -03:00 committed by Mauro Carvalho Chehab
parent 7b2607c99e
commit b1252eb83f
2 changed files with 3 additions and 3 deletions
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4
drivers/media/v4l2-core/v4l2-mem2mem.c
View File

@ -62,7 +62,7 @@ struct v4l2_m2m_dev {
struct list_head job_queue;
spinlock_t job_spinlock;
struct v4l2_m2m_ops *m2m_ops;
const struct v4l2_m2m_ops *m2m_ops;
};
static struct v4l2_m2m_queue_ctx *get_queue_ctx(struct v4l2_m2m_ctx *m2m_ctx,
@ -519,7 +519,7 @@ EXPORT_SYMBOL(v4l2_m2m_mmap);
*
* Usually called from driver's probe() function.
*/
struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops)
struct v4l2_m2m_dev *v4l2_m2m_init(const struct v4l2_m2m_ops *m2m_ops)
{
struct v4l2_m2m_dev *m2m_dev;

2
include/media/v4l2-mem2mem.h
View File

@ -125,7 +125,7 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct vm_area_struct *vma);
struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops);
struct v4l2_m2m_dev *v4l2_m2m_init(const struct v4l2_m2m_ops *m2m_ops);
void v4l2_m2m_release(struct v4l2_m2m_dev *m2m_dev);
struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev,