PPBUS_IVAR_IEEE
error = ppbus_read_ivar(device_parent(dev), PPBUS_IVAR_IEEE, &val);
error = ppbus_write_ivar(device_parent(dev), PPBUS_IVAR_IEEE, &val);
error = ppbus_read_ivar(dev, PPBUS_IVAR_IEEE, &old_ivar);
error = ppbus_write_ivar(dev, PPBUS_IVAR_IEEE, &new_ivar);
if(ppbus_write_ivar(dev, PPBUS_IVAR_IEEE, &old_ivar)) {
case PPBUS_IVAR_IEEE:
case PPBUS_IVAR_IEEE:
ppbus_write_ivar(sc->ppbus, PPBUS_IVAR_IEEE, &weg);