This is a note to let you know that I've just added the patch titled

mtd: nand: atmel: Fix get_sectorsize() function

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: mtd-nand-atmel-fix-get_sectorsize-function.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 2b1b1b4ac716fd929a2d221bd4ade62263bed915 Mon Sep 17 00:00:00 2001

From: Boris Brezillon boris.brezillon@bootlin.com Date: Tue, 27 Mar 2018 19:01:58 +0200 Subject: mtd: nand: atmel: Fix get_sectorsize() function

From: Boris Brezillon boris.brezillon@bootlin.com

commit 2b1b1b4ac716fd929a2d221bd4ade62263bed915 upstream.

get_sectorsize() was not using the appropriate macro to extract the ECC sector size from the config cache, which led to buggy ECC when using 1024 byte sectors.

Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver") Cc: stable@vger.kernel.org Reported-by: Olivier Schonken olivier.schonken@gmail.com Signed-off-by: Boris Brezillon boris.brezillon@bootlin.com Reviewed-by: Richard Weinberger richard@nod.at Acked-by: Nicolas Ferre nicolas.ferre@microchip.com Tested-by: Olivier Schonken olivier.schonken@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/mtd/nand/atmel/pmecc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mtd/nand/atmel/pmecc.c +++ b/drivers/mtd/nand/atmel/pmecc.c @@ -426,7 +426,7 @@ static int get_strength(struct atmel_pme

static int get_sectorsize(struct atmel_pmecc_user *user) { - return user->cache.cfg & PMECC_LOOKUP_TABLE_SIZE_1024 ? 1024 : 512; + return user->cache.cfg & PMECC_CFG_SECTOR1024 ? 1024 : 512; }

static void atmel_pmecc_gen_syndrome(struct atmel_pmecc_user *user, int sector)

Patches currently in stable-queue which might be from boris.brezillon@bootlin.com are

queue-4.15/mtd-jedec_probe-fix-crash-in-jedec_read_mfr.patch queue-4.15/mtd-nand-atmel-fix-get_sectorsize-function.patch