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Commit 08613c54 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

[media] v4l: xilinx: Use the new media graph walk interface 



The media graph walk requires initialisation and cleanup soon. Update the
users to perform the soon necessary API calls.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent fd7e5309

drivers/media/platform/xilinx/xilinx-dma.c

+9 −0
Original line number Diff line number Diff line
@@ -182,10 +182,17 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, 
	struct media_device *mdev = entity->graph_obj.mdev;

	unsigned int num_inputs = 0;

	unsigned int num_outputs = 0;

	int ret;



	mutex_lock(&mdev->graph_mutex);



	/* Walk the graph to locate the video nodes. */

	ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev);

	if (ret) {

		mutex_unlock(&mdev->graph_mutex);

		return ret;

	}



	media_entity_graph_walk_start(&graph, entity);



	while ((entity = media_entity_graph_walk_next(&graph))) {
@@ -206,6 +213,8 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, 


	mutex_unlock(&mdev->graph_mutex);



	media_entity_graph_walk_cleanup(&graph);



	/* We need exactly one output and zero or one input. */

	if (num_outputs != 1 || num_inputs > 1)

		return -EPIPE;