class_device_create(ppdev_class, MKDEV(PP_MAJOR, port->number),
class_device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number),
static void pp_attach(struct parport *port){	class_device_create(ppdev_class, MKDEV(PP_MAJOR, port->number),			NULL, "parport%d", port->number);}