SBC_PDMA
(sc->sc_options & SBC_PDMA) == 0 ||
(sc->sc_options & SBC_PDMA) == 0 ||
#define SBC_OPTIONS_MASK (SBC_PDMA_NO_WRITE|SBC_RESELECT|SBC_INTR|SBC_PDMA)
sc->sc_options |= SBC_PDMA;
if (sc->sc_options & SBC_PDMA)
sc->sc_options &= ~(SBC_PDMA);
if (sc->sc_options & SBC_PDMA) {