[media] v4l: vsp1: Change the type of the rwpf field in struct vsp1_video

The rwpf field contains a pointer to the rpf or wpf associated with the
video node. Instead of storing it as a vsp1_entity, store the
corresponding vsp1_rwpf pointer to allow accessing the vsp1_rwpf fields
directly.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/vsp1/vsp1_rpf.c

@@ -271,7 +271,7 @@ struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)
 	video->vsp1 = vsp1;
 	video->ops = &rpf_vdev_ops;
 
-	ret = vsp1_video_init(video, &rpf->entity);
+	ret = vsp1_video_init(video, rpf);
 	if (ret < 0)
 		goto error;
 

drivers/media/platform/vsp1/vsp1_video.c

@@ -1203,7 +1203,7 @@ static struct v4l2_file_operations vsp1_video_fops = {
  * Initialization and Cleanup
  */
 
-int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf)
+int vsp1_video_init(struct vsp1_video *video, struct vsp1_rwpf *rwpf)
 {
 	const char *direction;
 	int ret;
@@ -1258,7 +1258,7 @@ int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf)
 	video->video.v4l2_dev = &video->vsp1->v4l2_dev;
 	video->video.fops = &vsp1_video_fops;
 	snprintf(video->video.name, sizeof(video->video.name), "%s %s",
-		 rwpf->subdev.name, direction);
+		 rwpf->entity.subdev.name, direction);
 	video->video.vfl_type = VFL_TYPE_GRABBER;
 	video->video.release = video_device_release_empty;
 	video->video.ioctl_ops = &vsp1_video_ioctl_ops;

drivers/media/platform/vsp1/vsp1_video.h

@@ -20,6 +20,7 @@
 #include <media/media-entity.h>
 #include <media/videobuf2-v4l2.h>
 
+struct vsp1_rwpf;
 struct vsp1_video;
 
 /*
@@ -113,7 +114,7 @@ struct vsp1_video_operations {
 
 struct vsp1_video {
 	struct vsp1_device *vsp1;
-	struct vsp1_entity *rwpf;
+	struct vsp1_rwpf *rwpf;
 
 	const struct vsp1_video_operations *ops;
 
@@ -140,7 +141,7 @@ static inline struct vsp1_video *to_vsp1_video(struct video_device *vdev)
 	return container_of(vdev, struct vsp1_video, video);
 }
 
-int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf);
+int vsp1_video_init(struct vsp1_video *video, struct vsp1_rwpf *rwpf);
 void vsp1_video_cleanup(struct vsp1_video *video);
 
 void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe);

drivers/media/platform/vsp1/vsp1_wpf.c

@@ -270,7 +270,7 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
 	video->vsp1 = vsp1;
 	video->ops = &wpf_vdev_ops;
 
-	ret = vsp1_video_init(video, &wpf->entity);
+	ret = vsp1_video_init(video, wpf);
 	if (ret < 0)
 		goto error;