[PATCH v2 14/30] media: entity: Add debug information in graph walk route check

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From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
 drivers/media/media-entity.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index a5bb257d5a68f755..42977634d7102852 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -360,6 +360,9 @@ static void media_graph_walk_iter(struct media_graph *graph)
 	 */
 	if (!media_entity_has_route(pad->entity, pad->index, local->index)) {
 		link_top(graph) = link_top(graph)->next;
+		dev_dbg(pad->graph_obj.mdev->dev,
+			"walk: skipping \"%s\":%u -> %u (no route)\n",
+			pad->entity->name, pad->index, local->index);
 		return;
 	}
 
-- 
2.19.1




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