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[MTD] [NAND] S3C2410: NAND ECC by chip rather than global

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This makes us take note about the chosen ECC mode per-chip and
not the one set globally.

Signed-off-by: Andy Green <andy@warmcat.com>
Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net>
[ben-linux@fluff.org: andy@openmoko.com => andy@warmcat.com, rewrite subject]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Andy Green 2009-05-10 15:41:25 -05:00 committed by Ben Dooks
parent 3db72151aa
commit 8c3e843d56
1 changed files with 25 additions and 9 deletions
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20
drivers/mtd/nand/s3c2410.c
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@ -819,6 +819,21 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
if (set->disable_ecc)
chip->ecc.mode = NAND_ECC_NONE;
switch (chip->ecc.mode) {
case NAND_ECC_NONE:
dev_info(info->device, "NAND ECC disabled\n");
break;
case NAND_ECC_SOFT:
dev_info(info->device, "NAND soft ECC\n");
break;
case NAND_ECC_HW:
dev_info(info->device, "NAND hardware ECC\n");
break;
default:
dev_info(info->device, "NAND ECC UNKNOWN\n");
break;
}
}
/**
@ -840,7 +855,9 @@ static void s3c2410_nand_update_chip(struct s3c2410_nand_info *info,
dev_dbg(info->device, "chip %p => page shift %d\n",
chip, chip->page_shift);
if (hardware_ecc) {
if (chip->ecc.mode != NAND_ECC_HW)
return;
/* change the behaviour depending on wether we are using
* the large or small page nand device */
@ -853,7 +870,6 @@ static void s3c2410_nand_update_chip(struct s3c2410_nand_info *info,
chip->ecc.layout = &nand_hw_eccoob;
}
}
}
/* s3c24xx_nand_probe
*