224 						     dev_t devt)  in bus_find_device_by_devt()  argument
226 	return bus_find_device(bus, NULL, &devt, device_match_devt);  in bus_find_device_by_devt()
479 							dev_t devt)  in driver_find_device_by_devt()  argument
481 	return driver_find_device(drv, NULL, &devt, device_match_devt);  in driver_find_device_by_devt()
684 						       dev_t devt)  in class_find_device_by_devt()  argument
686 	return class_find_device(class, NULL, &devt, device_match_devt);  in class_find_device_by_devt()
1297 	dev_t			devt;	/* dev_t, creates the sysfs "dev" */  member
1573 				   dev_t devt, void *drvdata,
1577 			     dev_t devt, void *drvdata,
1581 			     struct device *parent, dev_t devt, void *drvdata,
1584 extern void device_destroy(struct class *cls, dev_t devt);