mtw_delay
mtw_delay(sc, 10);
static void mtw_delay(struct mtw_softc *, u_int);
mtw_delay(sc, 10);
mtw_delay(sc, 10);
mtw_delay(sc, 50);
mtw_delay(sc, 100);
mtw_delay(sc, 2);
mtw_delay(sc, 50);
mtw_delay(sc, 2);