diff options
Diffstat (limited to 'drivers/mtd/nand/omap2.c')
| -rw-r--r-- | drivers/mtd/nand/omap2.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index ef4190a02b7..34ef941e3bf 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1633,6 +1633,7 @@ static int omap_nand_probe(struct platform_device *pdev) int i; dma_cap_mask_t mask; unsigned sig; + unsigned oob_index; struct resource *res; struct mtd_part_parser_data ppdata = {}; @@ -1826,9 +1827,11 @@ static int omap_nand_probe(struct platform_device *pdev) (mtd->writesize / nand_chip->ecc.size); if (nand_chip->options & NAND_BUSWIDTH_16) - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + oob_index = BADBLOCK_MARKER_LENGTH; else - ecclayout->eccpos[0] = 1; + 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; break; @@ -1847,7 +1850,12 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) { + ecclayout->eccpos[i] = oob_index; + if (((i + 1) % nand_chip->ecc.bytes) == 0) + oob_index++; + } ecclayout->oobfree->offset = ecclayout->eccpos[0] + ecclayout->eccbytes; /* software bch library is used for locating errors */ @@ -1883,7 +1891,9 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + 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; /* This ECC scheme requires ELM H/W block */ @@ -1913,7 +1923,12 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + oob_index = BADBLOCK_MARKER_LENGTH; + for (i = 0; i < ecclayout->eccbytes; i++, oob_index++) { + ecclayout->eccpos[i] = oob_index; + if (((i + 1) % nand_chip->ecc.bytes) == 0) + oob_index++; + } ecclayout->oobfree->offset = ecclayout->eccpos[0] + ecclayout->eccbytes; /* software bch library is used for locating errors */ @@ -1956,7 +1971,9 @@ static int omap_nand_probe(struct platform_device *pdev) ecclayout->eccbytes = nand_chip->ecc.bytes * (mtd->writesize / nand_chip->ecc.size); - ecclayout->eccpos[0] = BADBLOCK_MARKER_LENGTH; + 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; break; @@ -1975,8 +1992,6 @@ static int omap_nand_probe(struct platform_device *pdev) /* populate remaining ECC layout data */ ecclayout->oobfree->length = mtd->oobsize - (BADBLOCK_MARKER_LENGTH + ecclayout->eccbytes); - for (i = 1; i < ecclayout->eccbytes; i++) - ecclayout->eccpos[i] = ecclayout->eccpos[0] + i; /* 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", |