V4L/DVB (7376): Improve compile-time type-checking in videobuf

Make the dev member of the struct videobuf_queue of type "struct device *"
to avoid future problems. Also change the prototype of the
videobuf_queue_core_init() function.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index 5ea635f..137a1ff 100644 (file)
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -120,7 +120,7 @@ int videobuf_iolock(struct videobuf_queue *q, struct videobuf_buffer *vb,
 
 void videobuf_queue_core_init(struct videobuf_queue *q,
                         struct videobuf_queue_ops *ops,
-                        void *dev,
+                        struct device *dev,
                         spinlock_t *irqlock,
                         enum v4l2_buf_type type,
                         enum v4l2_field field,

diff --git a/include/media/videobuf-core.h b/include/media/videobuf-core.h
index 9903394..fcdffdd 100644 (file)
--- a/include/media/videobuf-core.h
+++ b/include/media/videobuf-core.h
@@ -151,7 +151,7 @@ struct videobuf_qtype_ops {
 struct videobuf_queue {
        struct mutex               vb_lock;
        spinlock_t                 *irqlock;
-       void                       *dev; /* on pci, points to struct pci_dev */
+       struct device              *dev;
 
        enum v4l2_buf_type         type;
        unsigned int               inputs; /* for V4L2_BUF_FLAG_INPUT */
@@ -185,7 +185,7 @@ void *videobuf_alloc(struct videobuf_queue* q);
 
 void videobuf_queue_core_init(struct videobuf_queue *q,
                         struct videobuf_queue_ops *ops,
-                        void *dev,
+                        struct device *dev,
                         spinlock_t *irqlock,
                         enum v4l2_buf_type type,
                         enum v4l2_field field,