xhci_disable_and_free_slot
retval = xhci_disable_and_free_slot(xhci, i);
ret = xhci_disable_and_free_slot(xhci, udev->slot_id);
xhci_disable_and_free_slot(xhci, udev->slot_id);
ret = xhci_disable_and_free_slot(xhci, udev->slot_id);
int xhci_disable_and_free_slot(struct xhci_hcd *xhci, u32 slot_id);