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/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c
index ddd9629..5dd5e34 100644
--- a/drivers/media/radio/radio-aztech.c
+++ b/drivers/media/radio/radio-aztech.c
@@ -197,7 +197,7 @@
 				struct v4l2_tuner *v)
 {
 	struct video_device *dev = video_devdata(file);
-	struct az_device *az = dev->priv;
+	struct az_device *az = video_get_drvdata(dev);
 
 	if (v->index > 0)
 		return -EINVAL;
@@ -266,7 +266,7 @@
 				struct v4l2_frequency *f)
 {
 	struct video_device *dev = video_devdata(file);
-	struct az_device *az = dev->priv;
+	struct az_device *az = video_get_drvdata(dev);
 
 	az->curfreq = f->frequency;
 	az_setfreq(az, az->curfreq);
@@ -277,7 +277,7 @@
 				struct v4l2_frequency *f)
 {
 	struct video_device *dev = video_devdata(file);
-	struct az_device *az = dev->priv;
+	struct az_device *az = video_get_drvdata(dev);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = az->curfreq;
@@ -304,7 +304,7 @@
 			    struct v4l2_control *ctrl)
 {
 	struct video_device *dev = video_devdata(file);
-	struct az_device *az = dev->priv;
+	struct az_device *az = video_get_drvdata(dev);
 
 	switch (ctrl->id) {
 		case V4L2_CID_AUDIO_MUTE:
@@ -324,7 +324,7 @@
 			    struct v4l2_control *ctrl)
 {
 	struct video_device *dev = video_devdata(file);
-	struct az_device *az = dev->priv;
+	struct az_device *az = video_get_drvdata(dev);
 
 	switch (ctrl->id) {
 		case V4L2_CID_AUDIO_MUTE:
@@ -405,7 +405,7 @@
 	}
 
 	mutex_init(&lock);
-	aztech_radio.priv=&aztech_unit;
+	video_set_drvdata(&aztech_radio, &aztech_unit);
 
 	if (video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
 		release_region(io,2);