HC_QUEUE_HEAD
if ((td.link_ptr & HC_QUEUE_HEAD) == HC_QUEUE_HEAD) {
if ((qh.link_ptr & HC_QUEUE_HEAD) == HC_QUEUE_HEAD) {
if ((qh.element_ptr & HC_QUEUE_HEAD) == HC_QUEUE_HEAD) {
if (((((uhci_td_t *)wsp->walk_data)->link_ptr) & HC_QUEUE_HEAD)
== HC_QUEUE_HEAD) {
if (((((queue_head_t *)wsp->walk_data)->link_ptr) & HC_QUEUE_HEAD)
!= HC_QUEUE_HEAD) {
QH_PADDR(uhci_polledp->uhci_polled_qh) | HC_QUEUE_HEAD);
QH_PADDR(uhci_polledp->uhci_polled_qh) | HC_QUEUE_HEAD);
QH_PADDR(qh) | HC_QUEUE_HEAD);
QH_PADDR(qh) | HC_QUEUE_HEAD);
SetQH32(uhcip, lattice_qh->link_ptr, QH_PADDR(qh) | HC_QUEUE_HEAD);
addr = QH_PADDR(&list_array[i]) | HC_QUEUE_HEAD;
addr | HC_QUEUE_HEAD);
(QH_PADDR(tmp_qh) | HC_QUEUE_HEAD));
(QH_PADDR(uhcip->uhci_bulk_xfers_q_head)|HC_QUEUE_HEAD));
QH_PADDR(uhcip->uhci_isoc_qh) | HC_QUEUE_HEAD);