From: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
commit 130bbde4809b011faf64f99dddc14b4b01f440c3 upstream.
First 2 bytes are used in large-page nand.
Fixes: ef5eeea6e911 ("mtd: nand: brcm: switch to mtd_ooblayout_ops")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20200512075733.745374-2-noltari@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/mtd/nand/raw/brcmnand/brcmnand.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1019,11 +1019,14 @@ static int brcmnand_hamming_ooblayout_fr
if (!section) {
/*
* Small-page NAND use byte 6 for BBI while large-page
- * NAND use byte 0.
+ * NAND use bytes 0 and 1.
*/
- if (cfg->page_size > 512)
- oobregion->offset++;
- oobregion->length--;
+ if (cfg->page_size > 512) {
+ oobregion->offset += 2;
+ oobregion->length -= 2;
+ } else {
+ oobregion->length--;
+ }
}
}
