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path: root/drivers/media/platform/xilinx/xilinx-dma.c
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Diffstat (limited to 'drivers/media/platform/xilinx/xilinx-dma.c')
-rw-r--r--drivers/media/platform/xilinx/xilinx-dma.c28
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index 0a7fd8642a65..fee02c8c85fd 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -173,31 +173,19 @@ done:
static int xvip_pipeline_validate(struct xvip_pipeline *pipe,
struct xvip_dma *start)
{
- struct media_graph graph;
- struct media_entity *entity = &start->video.entity;
- struct media_device *mdev = entity->graph_obj.mdev;
+ struct media_pipeline_pad_iter iter;
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_graph_walk_init(&graph, mdev);
- if (ret) {
- mutex_unlock(&mdev->graph_mutex);
- return ret;
- }
-
- media_graph_walk_start(&graph, entity);
+ struct media_pad *pad;
- while ((entity = media_graph_walk_next(&graph))) {
+ /* Locate the video nodes in the pipeline. */
+ media_pipeline_for_each_pad(&pipe->pipe, &iter, pad) {
struct xvip_dma *dma;
- if (entity->function != MEDIA_ENT_F_IO_V4L)
+ if (pad->entity->function != MEDIA_ENT_F_IO_V4L)
continue;
- dma = to_xvip_dma(media_entity_to_video_device(entity));
+ dma = to_xvip_dma(media_entity_to_video_device(pad->entity));
if (dma->pad.flags & MEDIA_PAD_FL_SINK) {
pipe->output = dma;
@@ -207,10 +195,6 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe,
}
}
- mutex_unlock(&mdev->graph_mutex);
-
- media_graph_walk_cleanup(&graph);
-
/* We need exactly one output and zero or one input. */
if (num_outputs != 1 || num_inputs > 1)
return -EPIPE;