OHCI_WDH
status |= OHCI_WDH;
status = OREAD4(sc, OHCI_INTERRUPT_STATUS) & ~OHCI_WDH;
status &= ~(OHCI_RHSC | OHCI_WDH | OHCI_SO);
#define OHCI_ALL_INTRS (OHCI_SO | OHCI_WDH | OHCI_SF | \
#define OHCI_NORMAL_INTRS (OHCI_WDH | OHCI_RD | OHCI_UE | OHCI_RHSC)