194 	kmutex_t		sc_lock;  member
300 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB);  in ucom_attach()
411 	mutex_enter(&sc->sc_lock);  in ucom_detach()
413 	mutex_exit(&sc->sc_lock);  in ucom_detach()
467 	mutex_destroy(&sc->sc_lock);  in ucom_detach()
486 		mutex_enter(&sc->sc_lock);  in ucom_shutdown()
489 		mutex_exit(&sc->sc_lock);  in ucom_shutdown()
512 	mutex_enter(&sc->sc_lock);  in ucomopen()
515 		mutex_exit(&sc->sc_lock);  in ucomopen()
520 		mutex_exit(&sc->sc_lock);  in ucomopen()
527 		mutex_exit(&sc->sc_lock);  in ucomopen()
534 		mutex_exit(&sc->sc_lock);  in ucomopen()
556 			(void)cv_timedwait(&sc->sc_statecv, &sc->sc_lock,  in ucomopen()
558 			mutex_exit(&sc->sc_lock);  in ucomopen()
573 			error = cv_wait_sig(&sc->sc_statecv, &sc->sc_lock);  in ucomopen()
574 		mutex_exit(&sc->sc_lock);  in ucomopen()
591 		mutex_exit(&sc->sc_lock);  in ucomopen()
643 		mutex_enter(&sc->sc_lock);  in ucomopen()
652 		    		mutex_exit(&sc->sc_lock);  in ucomopen()
657 	mutex_exit(&sc->sc_lock);  in ucomopen()
674 		mutex_enter(&sc->sc_lock);  in ucomopen()
678 		mutex_exit(&sc->sc_lock);  in ucomopen()
690 		mutex_enter(&sc->sc_lock);  in ucomopen()
694 		mutex_exit(&sc->sc_lock);  in ucomopen()
734 	mutex_enter(&sc->sc_lock);  in ucomcancel()
737 	mutex_exit(&sc->sc_lock);  in ucomcancel()
808 	mutex_enter(&sc->sc_lock);  in ucomclose()
815 	mutex_exit(&sc->sc_lock);  in ucomclose()
914 		mutex_enter(&sc->sc_lock);  in ucomioctl()
916 		mutex_exit(&sc->sc_lock);  in ucomioctl()
924 		mutex_enter(&sc->sc_lock);  in ucomioctl()
926 		mutex_exit(&sc->sc_lock);  in ucomioctl()
972 	mutex_enter(&sc->sc_lock);  in tiocm_to_ucom()
988 	mutex_exit(&sc->sc_lock);  in tiocm_to_ucom()
1002 	mutex_enter(&sc->sc_lock);  in ucom_to_tiocm()
1024 	mutex_exit(&sc->sc_lock);  in ucom_to_tiocm()
1075 		mutex_enter(&sc->sc_lock);  in ucom_status_change()
1080 		mutex_exit(&sc->sc_lock);  in ucom_status_change()
1094 		mutex_enter(&sc->sc_lock);  in ucom_status_change()
1098 		mutex_exit(&sc->sc_lock);  in ucom_status_change()
1184 	KASSERT(&sc->sc_lock);  in ucomhwiflow()
1267 	mutex_enter(&sc->sc_lock);  in ucomstop()
1276 	mutex_exit(&sc->sc_lock);  in ucomstop()
1287 	KASSERT(mutex_owned(&sc->sc_lock));  in ucom_write_status()
1333 	KASSERT(mutex_owned(&sc->sc_lock));  in ucom_submit_write()
1346 	mutex_enter(&sc->sc_lock);  in ucomwritecb()
1348 	mutex_exit(&sc->sc_lock);  in ucomwritecb()
1360 	mutex_enter(&sc->sc_lock);  in ucom_softintr()
1364 		mutex_exit(&sc->sc_lock);  in ucom_softintr()
1377 	mutex_exit(&sc->sc_lock);  in ucom_softintr()
1387 	KASSERT(mutex_owned(&sc->sc_lock));  in ucom_read_complete()
1420 	KASSERT(mutex_owned(&sc->sc_lock));  in ucomsubmitread()
1446 	mutex_enter(&sc->sc_lock);  in ucomreadcb()
1452 		mutex_exit(&sc->sc_lock);  in ucomreadcb()
1470 		mutex_exit(&sc->sc_lock);  in ucomreadcb()
1490 		mutex_exit(&sc->sc_lock);  in ucomreadcb()
1495 	mutex_exit(&sc->sc_lock);  in ucomreadcb()
1505 	mutex_enter(&sc->sc_lock);  in ucomreadcb()
1508 	mutex_exit(&sc->sc_lock);  in ucomreadcb()