MTW_RF_CSR
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)
return (mtw_write(sc, MTW_RF_CSR, tmp));
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)
if ((error = mtw_write(sc, MTW_RF_CSR, tmp)) != 0)
if ((error = mtw_read(sc, MTW_RF_CSR, &tmp)) != 0)