452 	device_t lptdev = UNITODEVICE(unit);  in lptopen()  local
453 	device_t ppbus = device_get_parent(lptdev);  in lptopen()
473 	if ((err = lpt_request_ppbus(lptdev, PPB_WAIT|PPB_INTR)) != 0) {  in lptopen()
509 			lpt_release_ppbus(lptdev);  in lptopen()
514 		if (tsleep((caddr_t)lptdev, PCATCH, "lptinit", hz/4) !=  in lptopen()
519 			lpt_release_ppbus(lptdev);  in lptopen()
546 	lpt_release_ppbus(lptdev);  in lptopen()
553 		callout_reset(&sc->sc_callout, sc->sc_backoff, lptout, lptdev);  in lptopen()
572 	device_t lptdev = UNITODEVICE(unit);  in lptclose()  local
573 	device_t ppbus = device_get_parent(lptdev);  in lptclose()
579 	if ((err = lpt_request_ppbus(lptdev, PPB_WAIT|PPB_INTR)) != 0)  in lptclose()
590 			if (tsleep((caddr_t)lptdev, PCATCH,  in lptclose()
605 	lpt_release_ppbus(lptdev);  in lptclose()
686 	device_t lptdev = UNITODEVICE(unit);  in lptread()  local
687 	device_t ppbus = device_get_parent(lptdev);  in lptread()
735 	device_t lptdev = UNITODEVICE(unit);  in lptwrite()  local
736 	device_t ppbus = device_get_parent(lptdev);  in lptwrite()
745 	if ((err = lpt_request_ppbus(lptdev, PPB_WAIT|PPB_INTR)) != 0)  in lptwrite()
751 		err = BUS_SETUP_INTR(ppbus, lptdev, sc->intr_resource,  in lptwrite()
752 			       0, lpt_intr, lptdev,  in lptwrite()
755 			device_printf(lptdev, "handler registration failed, polled mode.\n");  in lptwrite()
792 				lptintr(lptdev);  in lptwrite()
796 				if ((err = tsleep((caddr_t)lptdev,  in lptwrite()
807 			err = lpt_pushbytes(lptdev);  in lptwrite()
815 	lpt_release_ppbus(lptdev);  in lptwrite()
830 	device_t lptdev = (device_t)arg;  in lpt_intr()  local
831 	device_t ppbus = device_get_parent(lptdev);  in lpt_intr()
832 	struct lpt_data *sc = DEVTOSOFTC(lptdev);  in lpt_intr()
873 			wakeup((caddr_t)lptdev);  in lpt_intr()