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From: Teresa Remmet <t.remmet@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH for next] mtd: nand: nand_omap_gpmc: Fix GPMC_BCH_RESULT offset
Date: Wed, 19 Dec 2018 13:27:53 +0100	[thread overview]
Message-ID: <1545222473-22214-1-git-send-email-t.remmet@phytec.de> (raw)

Using BCH rom code mode we start calculating with GPMC_BCH_RESULTx_1.
Fix offset for correct error correction.

Fixes: d4077860c902 ("mtd: nand: omap: unbreak BCH8 support")

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
---
 drivers/mtd/nand/nand_omap_gpmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/nand_omap_gpmc.c b/drivers/mtd/nand/nand_omap_gpmc.c
index 277e23e57f7d..2dcf7e723b9f 100644
--- a/drivers/mtd/nand/nand_omap_gpmc.c
+++ b/drivers/mtd/nand/nand_omap_gpmc.c
@@ -676,7 +676,7 @@ static int omap_gpmc_read_page_bch_rom_mode(struct mtd_info *mtd,
 	p = buf;
 
 	for (i = 0, j = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize, j++) {
-		__omap_calculate_ecc(mtd, &ecc_calc[i - j], j);
+		__omap_calculate_ecc(mtd, &ecc_calc[i - j], j + 1);
 		stat = omap_correct_bch(mtd, p, &ecc_code[i], &ecc_calc[i - j]);
 		if (stat < 0) {
 			mtd->ecc_stats.failed++;
-- 
2.7.4


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             reply	other threads:[~2018-12-19 12:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-19 12:27 Teresa Remmet [this message]
2018-12-20  7:52 ` Sascha Hauer

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