62 	struct media_devnode *mdev = to_media_devnode(cd);  in media_devnode_release()  local
67 	cdev_del(&mdev->cdev);  in media_devnode_release()
70 	clear_bit(mdev->minor, media_devnode_nums);  in media_devnode_release()
75 	if (mdev->release)  in media_devnode_release()
76 		mdev->release(mdev);  in media_devnode_release()
86 	struct media_devnode *mdev = media_devnode_data(filp);  in media_read()  local
88 	if (!mdev->fops->read)  in media_read()
90 	if (!media_devnode_is_registered(mdev))  in media_read()
92 	return mdev->fops->read(filp, buf, sz, off);  in media_read()
98 	struct media_devnode *mdev = media_devnode_data(filp);  in media_write()  local
100 	if (!mdev->fops->write)  in media_write()
102 	if (!media_devnode_is_registered(mdev))  in media_write()
104 	return mdev->fops->write(filp, buf, sz, off);  in media_write()
110 	struct media_devnode *mdev = media_devnode_data(filp);  in media_poll()  local
112 	if (!media_devnode_is_registered(mdev))  in media_poll()
114 	if (!mdev->fops->poll)  in media_poll()
116 	return mdev->fops->poll(filp, poll);  in media_poll()
124 	struct media_devnode *mdev = media_devnode_data(filp);  in __media_ioctl()  local
129 	if (!media_devnode_is_registered(mdev))  in __media_ioctl()
137 	struct media_devnode *mdev = media_devnode_data(filp);  in media_ioctl()  local
139 	return __media_ioctl(filp, cmd, arg, mdev->fops->ioctl);  in media_ioctl()
147 	struct media_devnode *mdev = media_devnode_data(filp);  in media_compat_ioctl()  local
149 	return __media_ioctl(filp, cmd, arg, mdev->fops->compat_ioctl);  in media_compat_ioctl()
157 	struct media_devnode *mdev;  in media_open()  local
167 	mdev = container_of(inode->i_cdev, struct media_devnode, cdev);  in media_open()
170 	if (!media_devnode_is_registered(mdev)) {  in media_open()
175 	get_device(&mdev->dev);  in media_open()
178 	filp->private_data = mdev;  in media_open()
180 	if (mdev->fops->open) {  in media_open()
181 		ret = mdev->fops->open(filp);  in media_open()
183 			put_device(&mdev->dev);  in media_open()
194 	struct media_devnode *mdev = media_devnode_data(filp);  in media_release()  local
197 	if (mdev->fops->release)  in media_release()
198 		mdev->fops->release(filp);  in media_release()
202 	put_device(&mdev->dev);  in media_release()
235 int __must_check media_devnode_register(struct media_devnode *mdev)  in media_devnode_register()  argument
252 	mdev->minor = minor;  in media_devnode_register()
255 	cdev_init(&mdev->cdev, &media_devnode_fops);  in media_devnode_register()
256 	mdev->cdev.owner = mdev->fops->owner;  in media_devnode_register()
258 	ret = cdev_add(&mdev->cdev, MKDEV(MAJOR(media_dev_t), mdev->minor), 1);  in media_devnode_register()
265 	mdev->dev.bus = &media_bus_type;  in media_devnode_register()
266 	mdev->dev.devt = MKDEV(MAJOR(media_dev_t), mdev->minor);  in media_devnode_register()
267 	mdev->dev.release = media_devnode_release;  in media_devnode_register()
268 	if (mdev->parent)  in media_devnode_register()
269 		mdev->dev.parent = mdev->parent;  in media_devnode_register()
270 	dev_set_name(&mdev->dev, "media%d", mdev->minor);  in media_devnode_register()
271 	ret = device_register(&mdev->dev);  in media_devnode_register()
278 	set_bit(MEDIA_FLAG_REGISTERED, &mdev->flags);  in media_devnode_register()
283 	cdev_del(&mdev->cdev);  in media_devnode_register()
284 	clear_bit(mdev->minor, media_devnode_nums);  in media_devnode_register()
298 void media_devnode_unregister(struct media_devnode *mdev)  in media_devnode_unregister()  argument
301 	if (!media_devnode_is_registered(mdev))  in media_devnode_unregister()
305 	clear_bit(MEDIA_FLAG_REGISTERED, &mdev->flags);  in media_devnode_unregister()
307 	device_unregister(&mdev->dev);  in media_devnode_unregister()