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>

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 8049dbde142b9d22e925e13274bfe57db3e8de6d..3314013420e3f690f1067a1c49f080f99ad680a7 100644 (file)
--- 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
 +