Index: linux-3.10.20/drivers/misc/mediatek/nand/mt7623/mtk_nand.c
===================================================================
--- linux-3.10.20.orig/drivers/misc/mediatek/nand/mt7623/mtk_nand.c
+++ linux-3.10.20/drivers/misc/mediatek/nand/mt7623/mtk_nand.c
@@ -6229,7 +6229,7 @@ static int mtk_nand_probe(struct platfor
     nand_chip->read_buf = mtk_nand_read_buf;
     nand_chip->write_buf = mtk_nand_write_buf;
 #ifdef CONFIG_MTD_NAND_VERIFY_WRITE
-    nand_chip->verify_buf = mtk_nand_verify_buf;
+    nand_chip->verify_buf = NULL; //mtk_nand_verify_buf;
 #endif
     nand_chip->select_chip = mtk_nand_select_chip;
     nand_chip->dev_ready = mtk_nand_dev_ready;
@@ -6597,7 +6597,7 @@ static int mtk_nand_probe(struct platfor
     part_init_pmt(mtd, (u8 *) & g_exist_Partition[0]);
     err = mtd_device_register(mtd, g_exist_Partition, part_num);
 #else
-    err = mtd_device_register(mtd, g_pasStatic_Partition, 7);
+    err = mtd_device_register(mtd, g_pasStatic_Partition, 8);
 #endif
 
 #ifdef _MTK_NAND_DUMMY_DRIVER_
Index: linux-3.10.20/drivers/misc/mediatek/nand/mt7623/partition_mt.c
===================================================================
--- linux-3.10.20.orig/drivers/misc/mediatek/nand/mt7623/partition_mt.c
+++ linux-3.10.20/drivers/misc/mediatek/nand/mt7623/partition_mt.c
@@ -83,7 +83,11 @@ struct mtd_partition g_pasStatic_Partiti
             offset:         MTDPART_OFS_APPEND
      }, {
             name:           "firmware",
-            size:           0xe000000, // FIXME: size here should be revised for nand chips of different sizes.
+            size:           0x2000000, // big enough to contain sysupgrade image (kernel+rootfs)
+            offset:         MTDPART_OFS_APPEND
+     }, {
+            name:           "rootfs_data",
+            size:           0xc000000, // FIXME: size here should be revised for nand chips of different sizes.
             offset:         MTDPART_OFS_APPEND
      }, {
             name:           "bmt", // reserve bmt area for bad block remapping