V4L/DVB (8786): v4l2: remove the priv field, use dev_get_drvdata instead

Remove the priv field and let video_get/set_drvdata use dev_get_drvdata
and dev_set_drvdata instead.

Convert all drivers that still used priv directly.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 23df009..1d4df57 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -69,14 +69,6 @@
 
 	/* ioctl callbacks */
 	const struct v4l2_ioctl_ops *ioctl_ops;
-
-#ifdef OBSOLETE_DEVDATA /* to be removed soon */
-	/* dev->driver_data will be used instead some day.
-	 * Use the video_{get|set}_drvdata() helper functions,
-	 * so the switch over will be transparent for you.
-	 * Or use {pci|usb}_{get|set}_drvdata() directly. */
-	void *priv;
-#endif
 };
 
 /* Class-dev to video-device */
@@ -98,18 +90,18 @@
    a dubious construction at best. */
 void video_device_release_empty(struct video_device *vfd);
 
-#ifdef OBSOLETE_DEVDATA /* to be removed soon */
 /* helper functions to access driver private data. */
 static inline void *video_get_drvdata(struct video_device *dev)
 {
-	return dev->priv;
+	return dev_get_drvdata(&dev->dev);
 }
 
 static inline void video_set_drvdata(struct video_device *dev, void *data)
 {
-	dev->priv = data;
+	dev_set_drvdata(&dev->dev, data);
 }
 
+#ifdef OBSOLETE_DEVDATA /* to be removed soon */
 /* Obsolete stuff - Still needed for radio devices and obsolete drivers */
 extern struct video_device* video_devdata(struct file*);
 #endif