SBICF_DCFLUSH
dev->sc_flags |= SBICF_DCFLUSH;
if (dev->sc_flags & SBICF_DCFLUSH) {
dev->sc_flags &= ~(SBICF_INDMA | SBICF_DCFLUSH);
if (dev->sc_flags & SBICF_DCFLUSH) {
~(SBICF_INDMA | SBICF_DCFLUSH);
dev->sc_flags &= ~(SBICF_INDMA | SBICF_DCFLUSH);
dev->sc_flags &= ~(SBICF_INDMA | SBICF_DCFLUSH);