summaryrefslogtreecommitdiff
path: root/include/media/media-entity.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/media/media-entity.h')
-rw-r--r--include/media/media-entity.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index a90e2bf6baf7..09737b47881f 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -885,6 +885,11 @@ int media_entity_get_fwnode_pad(struct media_entity *entity,
*
* @graph: Media graph structure that will be used to walk the graph
* @mdev: Pointer to the &media_device that contains the object
+ *
+ * The caller is required to hold the media_device graph_mutex during the graph
+ * walk until the graph state is released.
+ *
+ * Returns zero on success or a negative error code otherwise.
*/
__must_check int media_graph_walk_init(
struct media_graph *graph, struct media_device *mdev);