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@vger.kernel.org.

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@ebee.de 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@vger.kernel.org Signed-off-by: Kai Stuhlemmer (ebee Engineering) kai.stuhlemmer@ebee.de Signed-off-by: Tudor Ambarus tudor.ambarus@microchip.com Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20210322150714.101585-1-tudor.ambarus@micr...

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;