XHCI_ENDPOINT_PERIODIC
!(xep->xep_state & XHCI_ENDPOINT_PERIODIC)) {
XHCI_ENDPOINT_PERIODIC)) {
xep->xep_state |= XHCI_ENDPOINT_PERIODIC;
xep->xep_state &= ~XHCI_ENDPOINT_PERIODIC;
xep->xep_state &= ~XHCI_ENDPOINT_PERIODIC;
xep->xep_state &= ~(XHCI_ENDPOINT_QUIESCE | XHCI_ENDPOINT_PERIODIC);