UHCI_PTR_TD
p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD);
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD);
sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD);
vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD);
sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD);
lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD);