SUNSCPAL_DOINGDMA
if ((sc->sc_state & SUNSCPAL_DOINGDMA) != 0) {
if (sc->sc_state & SUNSCPAL_DOINGDMA)
sc->sc_state |= SUNSCPAL_DOINGDMA;
if ((sc->sc_state & SUNSCPAL_DOINGDMA) == 0) {
sc->sc_state &= ~SUNSCPAL_DOINGDMA;
if ((sc->sc_state & SUNSCPAL_DOINGDMA) == 0) {