MVSDIO_NISIE
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE,
bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE)));
if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE) &
nisie = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE);
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE, nisie);
reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE);
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MVSDIO_NISIE, reg);