EHCI_QH_FREE
Set_QH(ehcip->ehci_qh_pool_addr[i].qh_state, EHCI_QH_FREE);
Set_QH(old_qh->qh_state, EHCI_QH_FREE);
if (state == EHCI_QH_FREE) {
Set_QH(qh->qh_state, EHCI_QH_FREE);