[media] media: Improve documentation for link_setup/link_modify

[deliverable/linux.git] / include / media / media-entity.h

diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index e0295eefd7021239d79f1e699eba658f1cb4e35a..cbb266f7f2b5bf204cd92152cfcf37d4e527e46e 100644 (file)
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -179,6 +179,9 @@ struct media_pad {
  * @link_validate:     Return whether a link is valid from the entity point of
  *                     view. The media_entity_pipeline_start() function
  *                     validates all links by calling this operation. Optional.
+ *
+ * Note: Those these callbacks are called with struct media_device.@graph_mutex
+ * mutex held.
  */
 struct media_entity_operations {
        int (*link_setup)(struct media_entity *entity,