diff --git a/target/linux/ramips/patches-6.6/0038-mtd-ralink-add-mt7620-nand-driver.patch b/target/linux/ramips/patches-6.6/0038-mtd-ralink-add-mt7620-nand-driver.patch
index 2b1a1daba1e079..4c0e78d9a26ee4 100644
--- a/target/linux/ramips/patches-6.6/0038-mtd-ralink-add-mt7620-nand-driver.patch
+++ b/target/linux/ramips/patches-6.6/0038-mtd-ralink-add-mt7620-nand-driver.patch
@@ -32,7 +32,7 @@ Subject: [PATCH] mtd ralink add mt7620-nand driver
 +obj-$(CONFIG_MTD_NAND_MT7620)	+= ralink_nand.o
 --- /dev/null
 +++ b/drivers/mtd/maps/ralink_nand.c
-@@ -0,0 +1,2095 @@
+@@ -0,0 +1,2100 @@
 +#define DEBUG
 +#include <linux/device.h>
 +#undef DEBUG
@@ -62,6 +62,11 @@ Subject: [PATCH] mtd ralink add mt7620-nand driver
 +
 +#define READ_STATUS_RETRY	1000
 +
++#ifndef MTD_MAX_OOBFREE_ENTRIES_LARGE
++#define MTD_MAX_OOBFREE_ENTRIES_LARGE	32
++#define MTD_MAX_ECCPOS_ENTRIES_LARGE	640
++#endif
++
 +struct nand_ecclayout {
 +	__u32 eccbytes;
 +	__u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];