106 	struct v4l2_subdev *sd, *next;  in v4l2_device_unregister()  local
115 	list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) {  in v4l2_device_unregister()
116 		v4l2_device_unregister_subdev(sd);  in v4l2_device_unregister()
118 		if (sd->flags & V4L2_SUBDEV_FL_IS_I2C) {  in v4l2_device_unregister()
119 			struct i2c_client *client = v4l2_get_subdevdata(sd);  in v4l2_device_unregister()
131 		if (sd->flags & V4L2_SUBDEV_FL_IS_SPI) {  in v4l2_device_unregister()
132 			struct spi_device *spi = v4l2_get_subdevdata(sd);  in v4l2_device_unregister()
146 				struct v4l2_subdev *sd)  in v4l2_device_register_subdev()  argument
149 	struct media_entity *entity = &sd->entity;  in v4l2_device_register_subdev()
154 	if (v4l2_dev == NULL || sd == NULL || !sd->name[0])  in v4l2_device_register_subdev()
158 	WARN_ON(sd->v4l2_dev != NULL);  in v4l2_device_register_subdev()
167 	sd->owner_v4l2_dev = v4l2_dev->dev && v4l2_dev->dev->driver &&  in v4l2_device_register_subdev()
168 		sd->owner == v4l2_dev->dev->driver->owner;  in v4l2_device_register_subdev()
170 	if (!sd->owner_v4l2_dev && !try_module_get(sd->owner))  in v4l2_device_register_subdev()
173 	sd->v4l2_dev = v4l2_dev;  in v4l2_device_register_subdev()
174 	if (sd->internal_ops && sd->internal_ops->registered) {  in v4l2_device_register_subdev()
175 		err = sd->internal_ops->registered(sd);  in v4l2_device_register_subdev()
181 	err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler, NULL);  in v4l2_device_register_subdev()
195 	list_add_tail(&sd->list, &v4l2_dev->subdevs);  in v4l2_device_register_subdev()
201 	if (sd->internal_ops && sd->internal_ops->unregistered)  in v4l2_device_register_subdev()
202 		sd->internal_ops->unregistered(sd);  in v4l2_device_register_subdev()
204 	if (!sd->owner_v4l2_dev)  in v4l2_device_register_subdev()
205 		module_put(sd->owner);  in v4l2_device_register_subdev()
206 	sd->v4l2_dev = NULL;  in v4l2_device_register_subdev()
213 	struct v4l2_subdev *sd = video_get_drvdata(vdev);  in v4l2_device_release_subdev_node()  local
214 	sd->devnode = NULL;  in v4l2_device_release_subdev_node()
221 	struct v4l2_subdev *sd;  in v4l2_device_register_subdev_nodes()  local
227 	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {  in v4l2_device_register_subdev_nodes()
228 		if (!(sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE))  in v4l2_device_register_subdev_nodes()
237 		video_set_drvdata(vdev, sd);  in v4l2_device_register_subdev_nodes()
238 		strlcpy(vdev->name, sd->name, sizeof(vdev->name));  in v4l2_device_register_subdev_nodes()
242 		vdev->ctrl_handler = sd->ctrl_handler;  in v4l2_device_register_subdev_nodes()
244 					      sd->owner);  in v4l2_device_register_subdev_nodes()
250 		sd->entity.info.dev.major = VIDEO_MAJOR;  in v4l2_device_register_subdev_nodes()
251 		sd->entity.info.dev.minor = vdev->minor;  in v4l2_device_register_subdev_nodes()
253 		sd->devnode = vdev;  in v4l2_device_register_subdev_nodes()
258 	list_for_each_entry(sd, &v4l2_dev->subdevs, list) {  in v4l2_device_register_subdev_nodes()
259 		if (!sd->devnode)  in v4l2_device_register_subdev_nodes()
261 		video_unregister_device(sd->devnode);  in v4l2_device_register_subdev_nodes()
268 void v4l2_device_unregister_subdev(struct v4l2_subdev *sd)  in v4l2_device_unregister_subdev()  argument
273 	if (sd == NULL || sd->v4l2_dev == NULL)  in v4l2_device_unregister_subdev()
276 	v4l2_dev = sd->v4l2_dev;  in v4l2_device_unregister_subdev()
279 	list_del(&sd->list);  in v4l2_device_unregister_subdev()
282 	if (sd->internal_ops && sd->internal_ops->unregistered)  in v4l2_device_unregister_subdev()
283 		sd->internal_ops->unregistered(sd);  in v4l2_device_unregister_subdev()
284 	sd->v4l2_dev = NULL;  in v4l2_device_unregister_subdev()
288 		media_entity_remove_links(&sd->entity);  in v4l2_device_unregister_subdev()
289 		media_device_unregister_entity(&sd->entity);  in v4l2_device_unregister_subdev()
292 	video_unregister_device(sd->devnode);  in v4l2_device_unregister_subdev()
293 	if (!sd->owner_v4l2_dev)  in v4l2_device_unregister_subdev()
294 		module_put(sd->owner);  in v4l2_device_unregister_subdev()