linux-kernel - [PATCH] mtd: rawnand: atmel: Update ecc

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Date:   Mon, 22 Mar 2021 17:07:14 +0200
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>
CC:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <bbrezillon@...nel.org>,
        <linux-mtd@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Kai Stuhlemmer (ebee Engineering)" <kai.stuhlemmer@...e.de>,
        <stable@...r.kernel.org>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>
Subject: [PATCH] mtd: rawnand: atmel: Update ecc_stats.corrected counter

From: "Kai Stuhlemmer (ebee Engineering)" <kai.stuhlemmer@...e.de>

Update MTD ECC statistics with the number of corrected bits.

Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
Cc: stable@...r.kernel.org
Signed-off-by: Kai Stuhlemmer (ebee Engineering) <kai.stuhlemmer@...e.de>
Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/mtd/nand/raw/atmel/nand-controller.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c
index e6ceec8f50dc..8aab1017b460 100644
--- a/drivers/mtd/nand/raw/atmel/nand-controller.c
+++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
@@ -883,10 +883,12 @@ static int atmel_nand_pmecc_correct_data(struct nand_chip *chip, void *buf,
 							  NULL, 0,
 							  chip->ecc.strength);
 
-		if (ret >= 0)
+		if (ret >= 0) {
+			mtd->ecc_stats.corrected += ret;
 			max_bitflips = max(ret, max_bitflips);
-		else
+		} else {
 			mtd->ecc_stats.failed++;
+		}
 
 		databuf += chip->ecc.size;
 		eccbuf += chip->ecc.bytes;
-- 
2.25.1