From: Miquel Raynal Date: Wed, 25 Jul 2018 13:31:48 +0000 (+0200) Subject: mtd: rawnand: txx9ndfmc: clarify ECC parameters assignation X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=abe23d1c5cdf888639313bf87880d2692d0b8724;p=linux.git mtd: rawnand: txx9ndfmc: clarify ECC parameters assignation A comment in the probe declares that values are assigned to ecc.size and ecc.bytes, but these values will be overwritten. This is not entirely right as they are overwritten only if mtd->writesize >= 512. Let's clarify this by moving these assignations to txx9ndfmc_nand_scan(). Signed-off-by: Miquel Raynal Reviewed-by: Boris Brezillon --- diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c index 9019022774f7e..9808b18b15e22 100644 --- a/drivers/mtd/nand/raw/txx9ndfmc.c +++ b/drivers/mtd/nand/raw/txx9ndfmc.c @@ -262,10 +262,13 @@ static int txx9ndfmc_nand_scan(struct mtd_info *mtd) ret = nand_scan_ident(mtd, 1, NULL); if (!ret) { if (mtd->writesize >= 512) { - /* Hardware ECC 6 byte ECC per 512 Byte data */ chip->ecc.size = 512; chip->ecc.bytes = 6; + } else { + chip->ecc.size = 256; + chip->ecc.bytes = 3; } + ret = nand_scan_tail(mtd); } return ret; @@ -332,9 +335,6 @@ static int __init txx9ndfmc_probe(struct platform_device *dev) chip->ecc.correct = txx9ndfmc_correct_data; chip->ecc.hwctl = txx9ndfmc_enable_hwecc; chip->ecc.mode = NAND_ECC_HW; - /* txx9ndfmc_nand_scan will overwrite ecc.size and ecc.bytes */ - chip->ecc.size = 256; - chip->ecc.bytes = 3; chip->ecc.strength = 1; chip->chip_delay = 100; chip->controller = &drvdata->controller;