LINK_TO_TD
if (element != LINK_TO_TD(uhci, td))
if (link != LINK_TO_TD(uhci, td)) {
if (qh_element(qh) != LINK_TO_TD(uhci, uhci->term_td)) {
LINK_TO_TD(uhci, uhci->term_td);
*plink = LINK_TO_TD(uhci, td);
*plink = LINK_TO_TD(uhci, td);
qh->element = LINK_TO_TD(uhci, td);
LINK_TO_TD(uhci, qh->post_td)) {
ltd->link = LINK_TO_TD(uhci, td);
uhci->frame[framenum] = LINK_TO_TD(uhci, td);
uhci->frame[td->frame] = LINK_TO_TD(uhci, ntd);
qh->element = LINK_TO_TD(uhci, td);
*plink = LINK_TO_TD(uhci, td);
*plink = LINK_TO_TD(uhci, td);
*plink = LINK_TO_TD(uhci, td);
*plink = LINK_TO_TD(uhci, td);