33 int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev)  in v4l2_device_register()  argument
35 	if (v4l2_dev == NULL)  in v4l2_device_register()
38 	INIT_LIST_HEAD(&v4l2_dev->subdevs);  in v4l2_device_register()
39 	spin_lock_init(&v4l2_dev->lock);  in v4l2_device_register()
40 	v4l2_prio_init(&v4l2_dev->prio);  in v4l2_device_register()
41 	kref_init(&v4l2_dev->ref);  in v4l2_device_register()
43 	v4l2_dev->dev = dev;  in v4l2_device_register()
46 		if (WARN_ON(!v4l2_dev->name[0]))  in v4l2_device_register()
52 	if (!v4l2_dev->name[0])  in v4l2_device_register()
53 		snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s %s",  in v4l2_device_register()
56 		dev_set_drvdata(dev, v4l2_dev);  in v4l2_device_register()
63 	struct v4l2_device *v4l2_dev =  in v4l2_device_release()  local
66 	if (v4l2_dev->release)  in v4l2_device_release()
67 		v4l2_dev->release(v4l2_dev);  in v4l2_device_release()
70 int v4l2_device_put(struct v4l2_device *v4l2_dev)  in v4l2_device_put()  argument
72 	return kref_put(&v4l2_dev->ref, v4l2_device_release);  in v4l2_device_put()
76 int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename,  in v4l2_device_set_name()  argument
83 		snprintf(v4l2_dev->name, sizeof(v4l2_dev->name),  in v4l2_device_set_name()
86 		snprintf(v4l2_dev->name, sizeof(v4l2_dev->name),  in v4l2_device_set_name()
92 void v4l2_device_disconnect(struct v4l2_device *v4l2_dev)  in v4l2_device_disconnect()  argument
94 	if (v4l2_dev->dev == NULL)  in v4l2_device_disconnect()
97 	if (dev_get_drvdata(v4l2_dev->dev) == v4l2_dev)  in v4l2_device_disconnect()
98 		dev_set_drvdata(v4l2_dev->dev, NULL);  in v4l2_device_disconnect()
99 	put_device(v4l2_dev->dev);  in v4l2_device_disconnect()
100 	v4l2_dev->dev = NULL;  in v4l2_device_disconnect()
104 void v4l2_device_unregister(struct v4l2_device *v4l2_dev)  in v4l2_device_unregister()  argument
110 	if (v4l2_dev == NULL || !v4l2_dev->name[0])  in v4l2_device_unregister()
112 	v4l2_device_disconnect(v4l2_dev);  in v4l2_device_unregister()
115 	list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) {  in v4l2_device_unregister()
150 	v4l2_dev->name[0] = '\0';  in v4l2_device_unregister()
154 int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,  in v4l2_device_register_subdev()  argument
163 	if (!v4l2_dev || !sd || sd->v4l2_dev || !sd->name[0])  in v4l2_device_register_subdev()
173 	sd->owner_v4l2_dev = v4l2_dev->dev && v4l2_dev->dev->driver &&  in v4l2_device_register_subdev()
174 		sd->owner == v4l2_dev->dev->driver->owner;  in v4l2_device_register_subdev()
179 	sd->v4l2_dev = v4l2_dev;  in v4l2_device_register_subdev()
181 	err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler, NULL);  in v4l2_device_register_subdev()
187 	if (v4l2_dev->mdev) {  in v4l2_device_register_subdev()
188 		err = media_device_register_entity(v4l2_dev->mdev, entity);  in v4l2_device_register_subdev()
200 	spin_lock(&v4l2_dev->lock);  in v4l2_device_register_subdev()
201 	list_add_tail(&sd->list, &v4l2_dev->subdevs);  in v4l2_device_register_subdev()
202 	spin_unlock(&v4l2_dev->lock);  in v4l2_device_register_subdev()
213 	sd->v4l2_dev = NULL;  in v4l2_device_register_subdev()
225 int v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev)  in v4l2_device_register_subdev_nodes()  argument
234 	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {  in v4l2_device_register_subdev_nodes()
249 		vdev->v4l2_dev = v4l2_dev;  in v4l2_device_register_subdev_nodes()
265 		if (vdev->v4l2_dev->mdev) {  in v4l2_device_register_subdev_nodes()
282 	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {  in v4l2_device_register_subdev_nodes()
294 	struct v4l2_device *v4l2_dev;  in v4l2_device_unregister_subdev()  local
297 	if (sd == NULL || sd->v4l2_dev == NULL)  in v4l2_device_unregister_subdev()
300 	v4l2_dev = sd->v4l2_dev;  in v4l2_device_unregister_subdev()
302 	spin_lock(&v4l2_dev->lock);  in v4l2_device_unregister_subdev()
304 	spin_unlock(&v4l2_dev->lock);  in v4l2_device_unregister_subdev()
308 	sd->v4l2_dev = NULL;  in v4l2_device_unregister_subdev()
311 	if (v4l2_dev->mdev) {  in v4l2_device_unregister_subdev()