diff options
Diffstat (limited to 'drivers/mtd/nand/docg4.c')
| -rw-r--r-- | drivers/mtd/nand/docg4.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c index d86a60e1bbcb..47316998017f 100644 --- a/drivers/mtd/nand/docg4.c +++ b/drivers/mtd/nand/docg4.c @@ -222,10 +222,33 @@ struct docg4_priv { * Bytes 8 - 14 are hw-generated ecc covering entire page + oob bytes 0 - 14. * Byte 15 (the last) is used by the driver as a "page written" flag. */ -static struct nand_ecclayout docg4_oobinfo = { - .eccbytes = 9, - .eccpos = {7, 8, 9, 10, 11, 12, 13, 14, 15}, - .oobfree = { {.offset = 2, .length = 5} } +static int docg4_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 7; + oobregion->length = 9; + + return 0; +} + +static int docg4_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 2; + oobregion->length = 5; + + return 0; +} + +static const struct mtd_ooblayout_ops docg4_ooblayout_ops = { + .ecc = docg4_ooblayout_ecc, + .free = docg4_ooblayout_free, }; /* @@ -1209,6 +1232,7 @@ static void __init init_mtd_structs(struct mtd_info *mtd) mtd->writesize = DOCG4_PAGE_SIZE; mtd->erasesize = DOCG4_BLOCK_SIZE; mtd->oobsize = DOCG4_OOB_SIZE; + mtd_set_ooblayout(mtd, &docg4_ooblayout_ops); nand->chipsize = DOCG4_CHIP_SIZE; nand->chip_shift = DOCG4_CHIP_SHIFT; nand->bbt_erase_shift = nand->phys_erase_shift = DOCG4_ERASE_SHIFT; @@ -1217,7 +1241,6 @@ static void __init init_mtd_structs(struct mtd_info *mtd) nand->pagemask = 0x3ffff; nand->badblockpos = NAND_LARGE_BADBLOCK_POS; nand->badblockbits = 8; - nand->ecc.layout = &docg4_oobinfo; nand->ecc.mode = NAND_ECC_HW_SYNDROME; nand->ecc.size = DOCG4_PAGE_SIZE; nand->ecc.prepad = 8; |