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

[Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>]

From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 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 c11cf684b336f87e..3912bc75651fe0b7 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;
 	}
 
-- 
2.18.0