301 static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
302 static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
519 	ehci->async->qh_next.qh = NULL;  in ehci_init()
930 	struct ehci_qh		*qh;  in ehci_urb_dequeue()  local
946 		qh = (struct ehci_qh *) urb->hcpriv;  in ehci_urb_dequeue()
947 		qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_urb_dequeue()
948 		switch (qh->qh_state) {  in ehci_urb_dequeue()
951 				start_unlink_intr(ehci, qh);  in ehci_urb_dequeue()
953 				start_unlink_async(ehci, qh);  in ehci_urb_dequeue()
956 			qh->dequeue_during_giveback = 1;  in ehci_urb_dequeue()
964 			qh_completions(ehci, qh);  in ehci_urb_dequeue()
982 	struct ehci_qh		*qh;  in ehci_endpoint_disable()  local
989 	qh = ep->hcpriv;  in ehci_endpoint_disable()
990 	if (!qh)  in ehci_endpoint_disable()
996 	if (qh->hw == NULL) {  in ehci_endpoint_disable()
1008 	qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_endpoint_disable()
1009 	switch (qh->qh_state) {  in ehci_endpoint_disable()
1011 		if (list_empty(&qh->qtd_list))  in ehci_endpoint_disable()
1012 			qh->unlink_reason |= QH_UNLINK_QUEUE_EMPTY;  in ehci_endpoint_disable()
1016 			start_unlink_async(ehci, qh);  in ehci_endpoint_disable()
1018 			start_unlink_intr(ehci, qh);  in ehci_endpoint_disable()
1028 		if (qh->clearing_tt)  in ehci_endpoint_disable()
1030 		if (list_empty (&qh->qtd_list)) {  in ehci_endpoint_disable()
1031 			if (qh->ps.bw_uperiod)  in ehci_endpoint_disable()
1032 				reserve_release_intr_bandwidth(ehci, qh, -1);  in ehci_endpoint_disable()
1033 			qh_destroy(ehci, qh);  in ehci_endpoint_disable()
1042 			qh, ep->desc.bEndpointAddress, qh->qh_state,  in ehci_endpoint_disable()
1043 			list_empty (&qh->qtd_list) ? "" : "(has tds)");  in ehci_endpoint_disable()
1055 	struct ehci_qh		*qh;  in ehci_endpoint_reset()  local
1065 	qh = ep->hcpriv;  in ehci_endpoint_reset()
1072 	if (qh) {  in ehci_endpoint_reset()
1073 		if (!list_empty(&qh->qtd_list)) {  in ehci_endpoint_reset()
1080 			usb_settoggle(qh->ps.udev, epnum, is_out, 0);  in ehci_endpoint_reset()
1081 			qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_endpoint_reset()
1083 				start_unlink_async(ehci, qh);  in ehci_endpoint_reset()
1085 				start_unlink_intr(ehci, qh);  in ehci_endpoint_reset()