bus_write_2
bus_write_2(res, UHCI_INTR, 0);
bus_write_2(sc->mem_res, off, val);
bus_write_2(sc->mem_res[slot->num], off, val);
#define OUTW_OFF(o, v) bus_write_2(np->io_res, (o), (v))
#define OUTW_OFF(o, v) bus_write_2(np->mmio_res, (o), (v))
bus_write_2((sc)->tco_res, (off), (val))
(bus_write_2(amdpm->res, register, value))
#define vtmmio_write_config_2(sc, o, v) bus_write_2((sc)->res[0], (o), (v))
#define vtpci_write_config_2(sc, o, v) bus_write_2((sc)->vtpci_res, (o), (v))