[media] saa7146: use setup_timer

Use setup_timer() instead of init_timer() to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/common/saa7146/saa7146_vbi.c

@@ -365,9 +365,8 @@ static void vbi_init(struct saa7146_dev *dev, struct saa7146_vv *vv)
 
 	INIT_LIST_HEAD(&vv->vbi_dmaq.queue);
 
-	init_timer(&vv->vbi_dmaq.timeout);
-	vv->vbi_dmaq.timeout.function = saa7146_buffer_timeout;
-	vv->vbi_dmaq.timeout.data     = (unsigned long)(&vv->vbi_dmaq);
+	setup_timer(&vv->vbi_dmaq.timeout, saa7146_buffer_timeout,
+		    (unsigned long)(&vv->vbi_dmaq));
 	vv->vbi_dmaq.dev              = dev;
 
 	init_waitqueue_head(&vv->vbi_wq);

drivers/media/common/saa7146/saa7146_video.c

@@ -1201,9 +1201,8 @@ static void video_init(struct saa7146_dev *dev, struct saa7146_vv *vv)
 {
 	INIT_LIST_HEAD(&vv->video_dmaq.queue);
 
-	init_timer(&vv->video_dmaq.timeout);
-	vv->video_dmaq.timeout.function = saa7146_buffer_timeout;
-	vv->video_dmaq.timeout.data     = (unsigned long)(&vv->video_dmaq);
+	setup_timer(&vv->video_dmaq.timeout, saa7146_buffer_timeout,
+		    (unsigned long)(&vv->video_dmaq));
 	vv->video_dmaq.dev              = dev;
 
 	/* set some default values */