68 static struct media_entity *find_entity(struct media_device *mdev, u32 id)  in find_entity()  argument
75 	spin_lock(&mdev->lock);  in find_entity()
77 	media_device_for_each_entity(entity, mdev) {  in find_entity()
80 			spin_unlock(&mdev->lock);  in find_entity()
85 	spin_unlock(&mdev->lock);  in find_entity()
90 static long media_device_enum_entities(struct media_device *mdev,  in media_device_enum_entities()  argument
100 	ent = find_entity(mdev, u_ent.id);  in media_device_enum_entities()
128 static long __media_device_enum_links(struct media_device *mdev,  in __media_device_enum_links()  argument
133 	entity = find_entity(mdev, links->entity);  in __media_device_enum_links()
176 static long media_device_enum_links(struct media_device *mdev,  in media_device_enum_links()  argument
185 	rval = __media_device_enum_links(mdev, &links);  in media_device_enum_links()
195 static long media_device_setup_link(struct media_device *mdev,  in media_device_setup_link()  argument
209 	source = find_entity(mdev, ulink.source.entity);  in media_device_setup_link()
210 	sink = find_entity(mdev, ulink.sink.entity);  in media_device_setup_link()
281 static long media_device_enum_links32(struct media_device *mdev,  in media_device_enum_links32()  argument
297 	return __media_device_enum_links(mdev, &links);  in media_device_enum_links32()
347 	struct media_device *mdev = to_media_device(to_media_devnode(cd));  in show_model()  local
349 	return sprintf(buf, "%.*s\n", (int)sizeof(mdev->model), mdev->model);  in show_model()
358 static void media_device_release(struct media_devnode *mdev)  in media_device_release()  argument
372 int __must_check __media_device_register(struct media_device *mdev,  in __media_device_register()  argument
377 	if (WARN_ON(mdev->dev == NULL || mdev->model[0] == 0))  in __media_device_register()
380 	mdev->entity_id = 1;  in __media_device_register()
381 	INIT_LIST_HEAD(&mdev->entities);  in __media_device_register()
382 	spin_lock_init(&mdev->lock);  in __media_device_register()
383 	mutex_init(&mdev->graph_mutex);  in __media_device_register()
386 	mdev->devnode.fops = &media_device_fops;  in __media_device_register()
387 	mdev->devnode.parent = mdev->dev;  in __media_device_register()
388 	mdev->devnode.release = media_device_release;  in __media_device_register()
389 	ret = media_devnode_register(&mdev->devnode, owner);  in __media_device_register()
393 	ret = device_create_file(&mdev->devnode.dev, &dev_attr_model);  in __media_device_register()
395 		media_devnode_unregister(&mdev->devnode);  in __media_device_register()
408 void media_device_unregister(struct media_device *mdev)  in media_device_unregister()  argument
413 	list_for_each_entry_safe(entity, next, &mdev->entities, list)  in media_device_unregister()
416 	device_remove_file(&mdev->devnode.dev, &dev_attr_model);  in media_device_unregister()
417 	media_devnode_unregister(&mdev->devnode);  in media_device_unregister()
426 int __must_check media_device_register_entity(struct media_device *mdev,  in media_device_register_entity()  argument
431 	entity->parent = mdev;  in media_device_register_entity()
433 	spin_lock(&mdev->lock);  in media_device_register_entity()
435 		entity->id = mdev->entity_id++;  in media_device_register_entity()
437 		mdev->entity_id = max(entity->id + 1, mdev->entity_id);  in media_device_register_entity()
438 	list_add_tail(&entity->list, &mdev->entities);  in media_device_register_entity()
439 	spin_unlock(&mdev->lock);  in media_device_register_entity()
454 	struct media_device *mdev = entity->parent;  in media_device_unregister_entity()  local
456 	if (mdev == NULL)  in media_device_unregister_entity()
459 	spin_lock(&mdev->lock);  in media_device_unregister_entity()
461 	spin_unlock(&mdev->lock);  in media_device_unregister_entity()