51 	struct media_devnode *devnode = to_media_devnode(cd);  in media_devnode_release()  local
55 	clear_bit(devnode->minor, media_devnode_nums);  in media_devnode_release()
59 	if (devnode->release)  in media_devnode_release()
60 		devnode->release(devnode);  in media_devnode_release()
62 	kfree(devnode);  in media_devnode_release()
73 	struct media_devnode *devnode = media_devnode_data(filp);  in media_read()  local
75 	if (!devnode->fops->read)  in media_read()
77 	if (!media_devnode_is_registered(devnode))  in media_read()
79 	return devnode->fops->read(filp, buf, sz, off);  in media_read()
85 	struct media_devnode *devnode = media_devnode_data(filp);  in media_write()  local
87 	if (!devnode->fops->write)  in media_write()
89 	if (!media_devnode_is_registered(devnode))  in media_write()
91 	return devnode->fops->write(filp, buf, sz, off);  in media_write()
97 	struct media_devnode *devnode = media_devnode_data(filp);  in media_poll()  local
99 	if (!media_devnode_is_registered(devnode))  in media_poll()
101 	if (!devnode->fops->poll)  in media_poll()
103 	return devnode->fops->poll(filp, poll);  in media_poll()
111 	struct media_devnode *devnode = media_devnode_data(filp);  in __media_ioctl()  local
116 	if (!media_devnode_is_registered(devnode))  in __media_ioctl()
124 	struct media_devnode *devnode = media_devnode_data(filp);  in media_ioctl()  local
126 	return __media_ioctl(filp, cmd, arg, devnode->fops->ioctl);  in media_ioctl()
134 	struct media_devnode *devnode = media_devnode_data(filp);  in media_compat_ioctl()  local
136 	return __media_ioctl(filp, cmd, arg, devnode->fops->compat_ioctl);  in media_compat_ioctl()
144 	struct media_devnode *devnode;  in media_open()  local
154 	devnode = container_of(inode->i_cdev, struct media_devnode, cdev);  in media_open()
157 	if (!media_devnode_is_registered(devnode)) {  in media_open()
162 	get_device(&devnode->dev);  in media_open()
165 	filp->private_data = devnode;  in media_open()
167 	if (devnode->fops->open) {  in media_open()
168 		ret = devnode->fops->open(filp);  in media_open()
170 			put_device(&devnode->dev);  in media_open()
182 	struct media_devnode *devnode = media_devnode_data(filp);  in media_release()  local
184 	if (devnode->fops->release)  in media_release()
185 		devnode->fops->release(filp);  in media_release()
191 	put_device(&devnode->dev);  in media_release()
212 					struct media_devnode *devnode,  in media_devnode_register()  argument
224 		kfree(devnode);  in media_devnode_register()
231 	devnode->minor = minor;  in media_devnode_register()
232 	devnode->media_dev = mdev;  in media_devnode_register()
235 	devnode->dev.bus = &media_bus_type;  in media_devnode_register()
236 	devnode->dev.devt = MKDEV(MAJOR(media_dev_t), devnode->minor);  in media_devnode_register()
237 	devnode->dev.release = media_devnode_release;  in media_devnode_register()
238 	if (devnode->parent)  in media_devnode_register()
239 		devnode->dev.parent = devnode->parent;  in media_devnode_register()
240 	dev_set_name(&devnode->dev, "media%d", devnode->minor);  in media_devnode_register()
241 	device_initialize(&devnode->dev);  in media_devnode_register()
244 	cdev_init(&devnode->cdev, &media_devnode_fops);  in media_devnode_register()
245 	devnode->cdev.owner = owner;  in media_devnode_register()
246 	kobject_set_name(&devnode->cdev.kobj, "media%d", devnode->minor);  in media_devnode_register()
249 	ret = cdev_device_add(&devnode->cdev, &devnode->dev);  in media_devnode_register()
256 	set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);  in media_devnode_register()
262 	clear_bit(devnode->minor, media_devnode_nums);  in media_devnode_register()
263 	devnode->media_dev = NULL;  in media_devnode_register()
266 	put_device(&devnode->dev);  in media_devnode_register()
270 void media_devnode_unregister_prepare(struct media_devnode *devnode)  in media_devnode_unregister_prepare()  argument
273 	if (!media_devnode_is_registered(devnode))  in media_devnode_unregister_prepare()
277 	clear_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);  in media_devnode_unregister_prepare()
281 void media_devnode_unregister(struct media_devnode *devnode)  in media_devnode_unregister()  argument
285 	cdev_device_del(&devnode->cdev, &devnode->dev);  in media_devnode_unregister()
286 	devnode->media_dev = NULL;  in media_devnode_unregister()
289 	put_device(&devnode->dev);  in media_devnode_unregister()