diff options
Diffstat (limited to 'drivers/media/mc/mc-device.c')
| -rw-r--r-- | drivers/media/mc/mc-device.c | 45 |
1 files changed, 13 insertions, 32 deletions
diff --git a/drivers/media/mc/mc-device.c b/drivers/media/mc/mc-device.c index 9e56d2ad6b94..c0dd4ae57227 100644 --- a/drivers/media/mc/mc-device.c +++ b/drivers/media/mc/mc-device.c @@ -372,16 +372,12 @@ static long media_device_get_topology(struct media_device *mdev, void *arg) static long media_device_request_alloc(struct media_device *mdev, void *arg) { -#ifdef CONFIG_MEDIA_CONTROLLER_REQUEST_API int *alloc_fd = arg; if (!mdev->ops || !mdev->ops->req_validate || !mdev->ops->req_queue) return -ENOTTY; return media_request_alloc(mdev, alloc_fd); -#else - return -ENOTTY; -#endif } static long copy_arg_from_user(void *karg, void __user *uarg, unsigned int cmd) @@ -556,7 +552,7 @@ static const struct media_file_operations media_device_fops = { * sysfs */ -static ssize_t show_model(struct device *cd, +static ssize_t model_show(struct device *cd, struct device_attribute *attr, char *buf) { struct media_devnode *devnode = to_media_devnode(cd); @@ -565,7 +561,7 @@ static ssize_t show_model(struct device *cd, return sprintf(buf, "%.*s\n", (int)sizeof(mdev->model), mdev->model); } -static DEVICE_ATTR(model, S_IRUGO, show_model, NULL); +static DEVICE_ATTR_RO(model); /* ----------------------------------------------------------------------------- * Registration/unregistration @@ -581,7 +577,7 @@ static void __media_device_unregister_entity(struct media_entity *entity) struct media_device *mdev = entity->graph_obj.mdev; struct media_link *link, *tmp; struct media_interface *intf; - unsigned int i; + struct media_pad *iter; ida_free(&mdev->entity_internal_idx, entity->internal_idx); @@ -597,27 +593,20 @@ static void __media_device_unregister_entity(struct media_entity *entity) __media_entity_remove_links(entity); /* Remove all pads that belong to this entity */ - for (i = 0; i < entity->num_pads; i++) - media_gobj_destroy(&entity->pads[i].graph_obj); + media_entity_for_each_pad(entity, iter) + media_gobj_destroy(&iter->graph_obj); /* Remove the entity */ media_gobj_destroy(&entity->graph_obj); /* invoke entity_notify callbacks to handle entity removal?? */ - - entity->graph_obj.mdev = NULL; } -/** - * media_device_register_entity - Register an entity with a media device - * @mdev: The media device - * @entity: The entity - */ int __must_check media_device_register_entity(struct media_device *mdev, struct media_entity *entity) { struct media_entity_notify *notify, *next; - unsigned int i; + struct media_pad *iter; int ret; if (entity->function == MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN || @@ -646,9 +635,8 @@ int __must_check media_device_register_entity(struct media_device *mdev, media_gobj_create(mdev, MEDIA_GRAPH_ENTITY, &entity->graph_obj); /* Initialize objects at the pads */ - for (i = 0; i < entity->num_pads; i++) - media_gobj_create(mdev, MEDIA_GRAPH_PAD, - &entity->pads[i].graph_obj); + media_entity_for_each_pad(entity, iter) + media_gobj_create(mdev, MEDIA_GRAPH_PAD, &iter->graph_obj); /* invoke entity_notify callbacks */ list_for_each_entry_safe(notify, next, &mdev->entity_notify, list) @@ -691,16 +679,6 @@ void media_device_unregister_entity(struct media_entity *entity) } EXPORT_SYMBOL_GPL(media_device_unregister_entity); -/** - * media_device_init() - initialize a media device - * @mdev: The media device - * - * The caller is responsible for initializing the media device before - * registration. The following fields must be set: - * - * - dev must point to the parent device - * - model must be filled with the device model name - */ void media_device_init(struct media_device *mdev) { INIT_LIST_HEAD(&mdev->entities); @@ -715,6 +693,10 @@ void media_device_init(struct media_device *mdev) atomic_set(&mdev->request_id, 0); + if (!*mdev->bus_info) + media_set_bus_info(mdev->bus_info, sizeof(mdev->bus_info), + mdev->dev); + dev_dbg(mdev->dev, "Media device initialized\n"); } EXPORT_SYMBOL_GPL(media_device_init); @@ -770,13 +752,12 @@ int __must_check __media_device_register(struct media_device *mdev, } EXPORT_SYMBOL_GPL(__media_device_register); -int __must_check media_device_register_entity_notify(struct media_device *mdev, +void media_device_register_entity_notify(struct media_device *mdev, struct media_entity_notify *nptr) { mutex_lock(&mdev->graph_mutex); list_add_tail(&nptr->list, &mdev->entity_notify); mutex_unlock(&mdev->graph_mutex); - return 0; } EXPORT_SYMBOL_GPL(media_device_register_entity_notify); |