diff mbox series

[v3,1/2] mtd: rawnand: brcmnand: fix hamming oob layout

Message ID 20200512060023.684871-2-noltari@gmail.com
State New
Headers show
Series [v3,1/2] mtd: rawnand: brcmnand: fix hamming oob layout | expand

Commit Message

Álvaro Fernández Rojas May 12, 2020, 6 a.m. UTC
First 2 bytes are used in large-page nand.

Fixes: ef5eeea6e911 ("mtd: nand: brcm: switch to mtd_ooblayout_ops")
Cc: stable@vger.kernel.org
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 v3: invert patch order
 v2: extend original comment

 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index e4e3ceeac38f..1c1070111ebc 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1116,11 +1116,14 @@  static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section,
 		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--;
+			}
 		}
 	}