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Message-Id: <1403815368-29469-1-git-send-email-m.grzeschik@pengutronix.de> Date: Thu, 26 Jun 2014 22:42:47 +0200 From: Michael Grzeschik <m.grzeschik@...gutronix.de> To: linux-mtd@...ts.infradead.org Cc: linux-kernel@...r.kernel.org, dwmw2@...radead.org, kernel@...gutronix.de Subject: [PATCH 1/2] mxc_nand: fix err_limit and err_mask This patch fixes the error detection limits for the used eccsize of the 1, 4 and 8 bit eccmode. Signed-off-by: Michael Grzeschik <m.grzeschik@...gutronix.de> --- drivers/mtd/nand/mxc_nand.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index cb6c845..7fd495e 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -657,10 +657,14 @@ static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat, u32 ecc_stat, err; int no_subpages = 1; int ret = 0; - u8 ecc_bit_mask, err_limit; + u8 ecc_bit_mask, err_limit = 0x1; - ecc_bit_mask = (host->eccsize == 4) ? 0x7 : 0xf; - err_limit = (host->eccsize == 4) ? 0x4 : 0x8; + ecc_bit_mask = 0xf; + + if (host->eccsize == 4) + err_limit = 0x2; + else if (host->eccsize == 8) + err_limit = 0x4; no_subpages = mtd->writesize >> 9; -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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