vio_unregister_device(vio_dev);
int dlpar_remove_vio_slot(struct slot *slot, char *drc_name){	/* Remove hotplug slot */	if (rpaphp_remove_slot(slot)) {		printk(KERN_ERR "%s: unable to remove hotplug slot %s\n",			__FUNCTION__, drc_name);		return -EIO;	}	return 0;}