ECC_BCH8_INFO_BYTES
step_size = auto_oob ? ECC_BCH8_INFO_BYTES : ECC_BCH8_USER_BYTES;
for (i = 0, count = 0; i < ecc_cfg->nsteps; i++, count += ECC_BCH8_INFO_BYTES) {
oobregion->offset = ECC_BCH8_USER_BYTES + (section * ECC_BCH8_INFO_BYTES);
oobregion->offset = section * ECC_BCH8_INFO_BYTES;