The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 33cebf701e98dd12b01d39d1c644387b27c1a627 Mon Sep 17 00:00:00 2001
From: "Kai Stuhlemmer (ebee Engineering)" <kai.stuhlemmer@xxxxxxx>
Date: Mon, 22 Mar 2021 17:07:14 +0200
Subject: [PATCH] mtd: rawnand: atmel: Update ecc_stats.corrected counter
Update MTD ECC statistics with the number of corrected bits.
Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Kai Stuhlemmer (ebee Engineering) <kai.stuhlemmer@xxxxxxx>
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20210322150714.101585-1-tudor.ambarus@xxxxxxxxxxxxx
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;
