From 08613c549ff5ac98d04d9dd28a4ffafa3918e2ca Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Wed, 16 Dec 2015 11:32:26 -0200 Subject: [PATCH] [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: Sakari Ailus Cc: Hyun Kwon Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/xilinx/xilinx-dma.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c index 0181ff402a5a..7f6898b13cac 100644 --- a/drivers/media/platform/xilinx/xilinx-dma.c +++ b/drivers/media/platform/xilinx/xilinx-dma.c @@ -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; -- 2.20.1