[media] pvrusb2: use v4l2_dev instead of the deprecated parent field

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/pvrusb2/pvrusb2-hdw.c

@@ -2704,6 +2704,10 @@ static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
 	pvr2_hdw_render_useless(hdw);
 }
 
+void pvr2_hdw_set_v4l2_dev(struct pvr2_hdw *hdw, struct video_device *vdev)
+{
+	vdev->v4l2_dev = &hdw->v4l2_dev;
+}
 
 /* Destroy hardware interaction structure */
 void pvr2_hdw_destroy(struct pvr2_hdw *hdw)

drivers/media/usb/pvrusb2/pvrusb2-hdw.h

@@ -22,6 +22,7 @@
 
 #include <linux/usb.h>
 #include <linux/videodev2.h>
+#include <media/v4l2-dev.h>
 #include "pvrusb2-io.h"
 #include "pvrusb2-ctrl.h"
 
@@ -138,6 +139,9 @@ const char *pvr2_hdw_get_device_identifier(struct pvr2_hdw *);
 /* Called when hardware has been unplugged */
 void pvr2_hdw_disconnect(struct pvr2_hdw *);
 
+/* Sets v4l2_dev of a video_device struct */
+void pvr2_hdw_set_v4l2_dev(struct pvr2_hdw *, struct video_device *);
+
 /* Get the number of defined controls */
 unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *);
 

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c

@@ -31,6 +31,7 @@
 #include <linux/videodev2.h>
 #include <linux/module.h>
 #include <media/v4l2-dev.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 
@@ -870,8 +871,8 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 static void pvr2_v4l2_dev_disassociate_parent(struct pvr2_v4l2_dev *dip)
 {
 	if (!dip) return;
-	if (!dip->devbase.parent) return;
-	dip->devbase.parent = NULL;
+	if (!dip->devbase.v4l2_dev->dev) return;
+	dip->devbase.v4l2_dev->dev = NULL;
 	device_move(&dip->devbase.dev, NULL, DPM_ORDER_NONE);
 }
 
@@ -1321,7 +1322,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 	if (nr_ptr && (unit_number >= 0) && (unit_number < PVR_NUM)) {
 		mindevnum = nr_ptr[unit_number];
 	}
-	dip->devbase.parent = &usbdev->dev;
+	pvr2_hdw_set_v4l2_dev(hdw, &dip->devbase);
 	if ((video_register_device(&dip->devbase,
 				   dip->v4l_type, mindevnum) < 0) &&
 	    (video_register_device(&dip->devbase,