media: sun6i-csi: Tidy up video code

Some code cleanups, renames, variable lowerings and moving things around for
better organization. No functional change intended.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c

@@ -595,7 +595,7 @@ static int sun6i_csi_link_entity(struct sun6i_csi_device *csi_dev,
 
 	src_pad_index = ret;
 
-	sink = &csi_dev->video.vdev.entity;
+	sink = &csi_dev->video.video_dev.entity;
 	sink_pad = &csi_dev->video.pad;
 
 	dev_dbg(csi_dev->dev, "creating %s:%u -> %s:%u link\n",
@@ -706,7 +706,7 @@ static int sun6i_csi_v4l2_setup(struct sun6i_csi_device *csi_dev)
 
 	/* Video */
 
-	ret = sun6i_video_init(&csi_dev->video, csi_dev, SUN6I_CSI_NAME);
+	ret = sun6i_video_setup(&csi_dev->video, csi_dev);
 	if (ret)
 		goto error_v4l2_device;
 

drivers/media/platform/sunxi/sun6i-csi/sun6i_video.h

@@ -15,22 +15,22 @@ struct sun6i_csi_device;
 
 struct sun6i_video {
 	struct sun6i_csi_device		*csi_dev;
-	struct video_device		vdev;
-	struct media_pad		pad;
 
-	struct mutex			lock;
+	struct video_device		video_dev;
+	struct vb2_queue		queue;
+	struct mutex			lock; /* Queue lock. */
+	struct media_pad		pad;
 
-	struct vb2_queue		vb2_vidq;
-	spinlock_t			dma_queue_lock;
 	struct list_head		dma_queue;
+	spinlock_t			dma_queue_lock; /* DMA queue lock. */
 
-	unsigned int			sequence;
-	struct v4l2_format		fmt;
+	struct v4l2_format		format;
 	u32				mbus_code;
+	unsigned int			sequence;
 };
 
-int sun6i_video_init(struct sun6i_video *video,
-		     struct sun6i_csi_device *csi_dev, const char *name);
+int sun6i_video_setup(struct sun6i_video *video,
+		      struct sun6i_csi_device *csi_dev);
 void sun6i_video_cleanup(struct sun6i_video *video);
 
 void sun6i_video_frame_done(struct sun6i_video *video);