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media: xilinx: dma: Use media_pipeline_for_each_pad() 

Replace usage of the deprecated media graph walk API with the new
media_pipeline_for_each_pad() 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>
This commit is contained in:
Laurent Pinchart 2022-12-21 10:33:41 +01:00 committed by Mauro Carvalho Chehab
parent 27e45f2e59
commit 36c9b753a1
1 changed files with 6 additions and 22 deletions
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28
drivers/media/platform/xilinx/xilinx-dma.c
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@ -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;
struct media_pad *pad;
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);
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;