UHCI_INTR
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
if (sc->sc_bus.ub_usepolling || UREAD2(sc, UHCI_INTR) == 0) {
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE |
UWRITE2(sc, UHCI_INTR, 0);
UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE |
UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */
UREAD2(sc, UHCI_INTR), UREAD2(sc, UHCI_FRNUM));