TCTRL_IDLE
sc->sc_state != TCTRL_IDLE)) {
case TCTRL_IDLE:
sc->sc_state = sc->sc_rsplen ? TCTRL_DATA : TCTRL_IDLE;
sc->sc_state = TCTRL_IDLE;
if ((sc->sc_state == TCTRL_IDLE && sc->sc_wantdata == 0) ||
sc->sc_state = sc->sc_rsplen ? TCTRL_ACK : TCTRL_IDLE;
} else if (sc->sc_state == TCTRL_IDLE) {