302 static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
303 static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh);
520 	ehci->async->qh_next.qh = NULL;  in ehci_init()
926 	struct ehci_qh		*qh;  in ehci_urb_dequeue()  local
942 		qh = (struct ehci_qh *) urb->hcpriv;  in ehci_urb_dequeue()
943 		qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_urb_dequeue()
944 		switch (qh->qh_state) {  in ehci_urb_dequeue()
947 				start_unlink_intr(ehci, qh);  in ehci_urb_dequeue()
949 				start_unlink_async(ehci, qh);  in ehci_urb_dequeue()
952 			qh->dequeue_during_giveback = 1;  in ehci_urb_dequeue()
960 			qh_completions(ehci, qh);  in ehci_urb_dequeue()
978 	struct ehci_qh		*qh;  in ehci_endpoint_disable()  local
985 	qh = ep->hcpriv;  in ehci_endpoint_disable()
986 	if (!qh)  in ehci_endpoint_disable()
992 	if (qh->hw == NULL) {  in ehci_endpoint_disable()
1004 	qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_endpoint_disable()
1005 	switch (qh->qh_state) {  in ehci_endpoint_disable()
1007 		if (list_empty(&qh->qtd_list))  in ehci_endpoint_disable()
1008 			qh->unlink_reason |= QH_UNLINK_QUEUE_EMPTY;  in ehci_endpoint_disable()
1012 			start_unlink_async(ehci, qh);  in ehci_endpoint_disable()
1014 			start_unlink_intr(ehci, qh);  in ehci_endpoint_disable()
1024 		if (qh->clearing_tt)  in ehci_endpoint_disable()
1026 		if (list_empty (&qh->qtd_list)) {  in ehci_endpoint_disable()
1027 			if (qh->ps.bw_uperiod)  in ehci_endpoint_disable()
1028 				reserve_release_intr_bandwidth(ehci, qh, -1);  in ehci_endpoint_disable()
1029 			qh_destroy(ehci, qh);  in ehci_endpoint_disable()
1038 			qh, ep->desc.bEndpointAddress, qh->qh_state,  in ehci_endpoint_disable()
1039 			list_empty (&qh->qtd_list) ? "" : "(has tds)");  in ehci_endpoint_disable()
1051 	struct ehci_qh		*qh;  in ehci_endpoint_reset()  local
1061 	qh = ep->hcpriv;  in ehci_endpoint_reset()
1068 	if (qh) {  in ehci_endpoint_reset()
1069 		if (!list_empty(&qh->qtd_list)) {  in ehci_endpoint_reset()
1076 			usb_settoggle(qh->ps.udev, epnum, is_out, 0);  in ehci_endpoint_reset()
1077 			qh->unlink_reason |= QH_UNLINK_REQUESTED;  in ehci_endpoint_reset()
1079 				start_unlink_async(ehci, qh);  in ehci_endpoint_reset()
1081 				start_unlink_intr(ehci, qh);  in ehci_endpoint_reset()