523 int watchdog_dev_register(struct watchdog_device *watchdog)  in watchdog_dev_register()  argument
527 	if (watchdog->id == 0) {  in watchdog_dev_register()
528 		old_wdd = watchdog;  in watchdog_dev_register()
529 		watchdog_miscdev.parent = watchdog->parent;  in watchdog_dev_register()
533 				watchdog->info->identity, WATCHDOG_MINOR, err);  in watchdog_dev_register()
536 					watchdog->info->identity);  in watchdog_dev_register()
543 	devno = MKDEV(MAJOR(watchdog_devt), watchdog->id);  in watchdog_dev_register()
544 	cdev_init(&watchdog->cdev, &watchdog_fops);  in watchdog_dev_register()
545 	watchdog->cdev.owner = watchdog->ops->owner;  in watchdog_dev_register()
548 	err  = cdev_add(&watchdog->cdev, devno, 1);  in watchdog_dev_register()
551 			watchdog->id,  MAJOR(watchdog_devt), watchdog->id);  in watchdog_dev_register()
552 		if (watchdog->id == 0) {  in watchdog_dev_register()
567 int watchdog_dev_unregister(struct watchdog_device *watchdog)  in watchdog_dev_unregister()  argument
569 	mutex_lock(&watchdog->lock);  in watchdog_dev_unregister()
570 	set_bit(WDOG_UNREGISTERED, &watchdog->status);  in watchdog_dev_unregister()
571 	mutex_unlock(&watchdog->lock);  in watchdog_dev_unregister()
573 	cdev_del(&watchdog->cdev);  in watchdog_dev_unregister()
574 	if (watchdog->id == 0) {  in watchdog_dev_unregister()