itesio_enter
itesio_enter(ia->ia_iot, ioh);
itesio_enter(sc->sc_iot, sc->sc_pnp_ioh);
itesio_enter(sc->sc_iot, sc->sc_pnp_ioh);
itesio_enter(sc->sc_iot, sc->sc_pnp_ioh);
static void itesio_enter(bus_space_tag_t, bus_space_handle_t);