OHCI_ROOT_HUB_STATUS_CHANGE
if (status & OHCI_ROOT_HUB_STATUS_CHANGE) {
_WriteReg(OHCI_INTERRUPT_DISABLE, OHCI_ROOT_HUB_STATUS_CHANGE);
acknowledge |= OHCI_ROOT_HUB_STATUS_CHANGE;
| OHCI_ROOT_HUB_STATUS_CHANGE \
| OHCI_ROOT_HUB_STATUS_CHANGE)