From 918d4ab41ea34358c747aab5471bbb0a2a786dd8 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 16 Feb 2022 21:25:13 +0100
Subject: [PATCH] ramips: fix NAND flash driver ECC bit position mask

The bit position mask was accidentally made too wide, overlapping with the LSB
from the byte position mask. This caused ECC calculation to fail for odd bytes

Signed-off-by: Chad Monroe <chad.monroe@smartrg.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 ...0-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch b/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
index 8049dbde14..3314013420 100644
--- a/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
+++ b/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
@@ -233,7 +233,7 @@ Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
 +#define   DEC_EL_EVEN_S			0
 +#define   DEC_EL_M			0x1fff
 +#define   DEC_EL_BYTE_POS_S		3
-+#define   DEC_EL_BIT_POS_M		GENMASK(3, 0)
++#define   DEC_EL_BIT_POS_M		GENMASK(2, 0)
 +
 +#define ECC_FDMADDR			0x13c
 +
-- 
2.30.2