mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips
In brcmstb_nand_verify_erased_page(), the ECC chunk pointer calculation
while correcting erased page bitflips is wrong, fix it.
Fixes: 02b88eea9f9c ("mtd: brcmnand: Add check for erased page bitflips")
Signed-off-by: Claire Lin <claire.lin@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
[Ported to U-Boot from the Linux kernel]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 170aece..0402cb0 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1765,6 +1765,7 @@
int bitflips = 0;
int page = addr >> chip->page_shift;
int ret;
+ void *ecc_chunk;
if (!buf) {
#ifndef __UBOOT__
@@ -1784,7 +1785,9 @@
return ret;
for (i = 0; i < chip->ecc.steps; i++, oob += sas) {
- ret = nand_check_erased_ecc_chunk(buf, chip->ecc.size,
+ ecc_chunk = buf + chip->ecc.size * i;
+ ret = nand_check_erased_ecc_chunk(ecc_chunk,
+ chip->ecc.size,
oob, sas, NULL, 0,
chip->ecc.strength);
if (ret < 0)