XHCI_TRB_CYCLE
{ "C", XHCI_TRB_CYCLE, XHCI_TRB_CYCLE },
if (xrp->xr_cycle != (LE_32(trb->trb_flags) & XHCI_TRB_CYCLE))
flags &= ~LE_32(XHCI_TRB_CYCLE);
flags |= LE_32(XHCI_TRB_CYCLE);
trb->trb_flags ^= LE_32(XHCI_TRB_CYCLE);
trb->trb_flags ^= LE_32(XHCI_TRB_CYCLE);