SMCMR_REN
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN);
setbits16(&pinfo->smcp->smc_smcmr, (SMCMR_REN | SMCMR_TEN));
clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
prev_mode = in_be16(&smcp->smc_smcmr) & (SMCMR_REN | SMCMR_TEN);
setbits16(&sp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);