oob_index = 1;
for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
ecclayout->eccpos[i] = oob_index;
- ecclayout->oobfree->offset = ecclayout->eccpos[0] +
- ecclayout->eccbytes;
+ /* no reserved-marker in ecclayout for this ecc-scheme */
+ ecclayout->oobfree->offset =
+ ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
break;
case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW:
if (((i + 1) % nand_chip->ecc.bytes) == 0)
oob_index++;
}
- ecclayout->oobfree->offset = ecclayout->eccpos[0] +
- ecclayout->eccbytes;
+ /* include reserved-marker in ecclayout->oobfree calculation */
+ ecclayout->oobfree->offset = 1 +
+ ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
/* software bch library is used for locating errors */
nand_chip->ecc.priv = nand_bch_init(mtd,
nand_chip->ecc.size,
oob_index = BADBLOCK_MARKER_LENGTH;
for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
ecclayout->eccpos[i] = oob_index;
- ecclayout->oobfree->offset = ecclayout->eccpos[0] +
- ecclayout->eccbytes;
+ /* reserved marker already included in ecclayout->eccbytes */
+ ecclayout->oobfree->offset =
+ ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
/* This ECC scheme requires ELM H/W block */
if (is_elm_present(info, pdata->elm_of_node, BCH4_ECC) < 0) {
pr_err("nand: error: could not initialize ELM\n");
if (((i + 1) % nand_chip->ecc.bytes) == 0)
oob_index++;
}
- ecclayout->oobfree->offset = ecclayout->eccpos[0] +
- ecclayout->eccbytes;
+ /* include reserved-marker in ecclayout->oobfree calculation */
+ ecclayout->oobfree->offset = 1 +
+ ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
/* software bch library is used for locating errors */
nand_chip->ecc.priv = nand_bch_init(mtd,
nand_chip->ecc.size,
oob_index = BADBLOCK_MARKER_LENGTH;
for (i = 0; i < ecclayout->eccbytes; i++, oob_index++)
ecclayout->eccpos[i] = oob_index;
- ecclayout->oobfree->offset = ecclayout->eccpos[0] +
- ecclayout->eccbytes;
+ /* reserved marker already included in ecclayout->eccbytes */
+ ecclayout->oobfree->offset =
+ ecclayout->eccpos[ecclayout->eccbytes - 1] + 1;
break;
#else
pr_err("nand: error: CONFIG_MTD_NAND_OMAP_BCH not enabled\n");
goto return_error;
}
- /* populate remaining ECC layout data */
- ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH +
- ecclayout->eccbytes);
+ /* all OOB bytes from oobfree->offset till end off OOB are free */
+ ecclayout->oobfree->length = mtd->oobsize - ecclayout->oobfree->offset;
/* check if NAND device's OOB is enough to store ECC signatures */
if (mtd->oobsize < (ecclayout->eccbytes + BADBLOCK_MARKER_LENGTH)) {
pr_err("not enough OOB bytes required = %d, available=%d\n",