xhci_triad_to_transfer_ring
ep_ring = xhci_triad_to_transfer_ring(xhci, xdev->slot_id, ep_index,
ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci,
return xhci_triad_to_transfer_ring(xhci, urb->dev->slot_id,