| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.15 06/72] mtd: nand: atmel: Fix get_sectorsize() function | Date | Fri, 6 Apr 2018 15:23:41 +0200 |
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4.15-stable review patch. If anyone has any objections, please let me know.
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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)
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