@@ -456,16 +456,16 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity,
struct media_pipeline *pipe)
{
struct media_device *mdev = entity->graph_obj.mdev;
- struct media_entity_graph graph;
+ struct media_entity_graph *graph = &pipe->graph;
struct media_entity *entity_err = entity;
struct media_link *link;
int ret;
mutex_lock(&mdev->graph_mutex);
- media_entity_graph_walk_start(&graph, entity);
+ media_entity_graph_walk_start(graph, entity);
- while ((entity = media_entity_graph_walk_next(&graph))) {
+ while ((entity = media_entity_graph_walk_next(graph))) {
DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS);
DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS);
@@ -546,9 +546,9 @@ error:
* Link validation on graph failed. We revert what we did and
* return the error.
*/
- media_entity_graph_walk_start(&graph, entity_err);
+ media_entity_graph_walk_start(graph, entity_err);
- while ((entity_err = media_entity_graph_walk_next(&graph))) {
+ while ((entity_err = media_entity_graph_walk_next(graph))) {
entity_err->stream_count--;
if (entity_err->stream_count == 0)
entity_err->pipe = NULL;
@@ -582,13 +582,13 @@ EXPORT_SYMBOL_GPL(media_entity_pipeline_start);
void media_entity_pipeline_stop(struct media_entity *entity)
{
struct media_device *mdev = entity->graph_obj.mdev;
- struct media_entity_graph graph;
+ struct media_entity_graph *graph = &entity->pipe->graph;
mutex_lock(&mdev->graph_mutex);
- media_entity_graph_walk_start(&graph, entity);
+ media_entity_graph_walk_start(graph, entity);
- while ((entity = media_entity_graph_walk_next(&graph))) {
+ while ((entity = media_entity_graph_walk_next(graph))) {
entity->stream_count--;
if (entity->stream_count == 0)
entity->pipe = NULL;
@@ -116,7 +116,13 @@ struct media_entity_graph {
int top;
};
+/*
+ * struct media_pipeline - Media pipeline related information
+ *
+ * @graph: Media graph walk during pipeline start / stop
+ */
struct media_pipeline {
+ struct media_entity_graph graph;
};
/**