media: ti: omap3isp: Use media_pipeline_for_each_entity()

Replace usage of the deprecated media graph walk API with the new
media_pipeline_for_each_entity() macro.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/ti/omap3isp/ispvideo.c

@@ -221,22 +221,16 @@ isp_video_remote_subdev(struct isp_video *video, u32 *pad)
 static int isp_video_get_graph_data(struct isp_video *video,
 				    struct isp_pipeline *pipe)
 {
-	struct media_graph graph;
-	struct media_entity *entity = &video->video.entity;
-	struct media_device *mdev = entity->graph_obj.mdev;
+	struct media_pipeline_entity_iter iter;
+	struct media_entity *entity;
 	struct isp_video *far_end = NULL;
 	int ret;
 
-	mutex_lock(&mdev->graph_mutex);
-	ret = media_graph_walk_init(&graph, mdev);
-	if (ret) {
-		mutex_unlock(&mdev->graph_mutex);
+	ret = media_pipeline_entity_iter_init(&pipe->pipe, &iter);
+	if (ret)
 		return ret;
-	}
 
-	media_graph_walk_start(&graph, entity);
-
-	while ((entity = media_graph_walk_next(&graph))) {
+	media_pipeline_for_each_entity(&pipe->pipe, &iter, entity) {
 		struct isp_video *__video;
 
 		media_entity_enum_set(&pipe->ent_enum, entity);
@@ -255,9 +249,7 @@ static int isp_video_get_graph_data(struct isp_video *video,
 			far_end = __video;
 	}
 
-	mutex_unlock(&mdev->graph_mutex);
-
-	media_graph_walk_cleanup(&graph);
+	media_pipeline_entity_iter_cleanup(&iter);
 
 	if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 		pipe->input = far_end;