xhci_endpoint_ring
return (xhci_endpoint_ring(xhcip, xd, xep));
ret = xhci_endpoint_ring(xhcip, xd, xep);
(ret = xhci_endpoint_ring(xhcip, xd, xep)) != 0) {
extern int xhci_endpoint_ring(xhci_t *, xhci_device_t *, xhci_endpoint_t *);