diff mbox series

[v8,21/36] media: entity: Add debug information in graph walk route check

Message ID 20210830110116.488338-22-tomi.valkeinen@ideasonboard.com
State Superseded
Headers show
Series v4l: subdev internal routing and streams | expand

Commit Message

Tomi Valkeinen Aug. 30, 2021, 11:01 a.m. UTC 
From: Sakari Ailus <sakari.ailus@linux.intel.com>

Add debug printout in graph walk route check.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/media/mc/mc-entity.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
index 4eb4b94c09e2..663773f6bb2f 100644
--- a/drivers/media/mc/mc-entity.c
+++ b/drivers/media/mc/mc-entity.c
@@ -365,6 +365,9 @@  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;
 	}