xhci_init
rv = xhci_init(xsc, sc->dev, 1);
err = xhci_init(sc, dev, IS_DMA_32B);
err = xhci_init(sc, dev,
usb_error_t xhci_init(struct xhci_softc *, device_t, uint8_t);
if (xhci_init(sc, self, usedma32)) {