--- zzzz-none-000/linux-3.10.107/arch/mips/configs/rt305x_defconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/configs/rt305x_defconfig	2021-02-04 17:41:59.000000000 +0000
@@ -81,7 +81,6 @@
 # CONFIG_FIRMWARE_IN_KERNEL is not set
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_AMDSTD=y
@@ -89,6 +88,7 @@
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_M25P80=y
+CONFIG_MTD_SPI_NOR=y
 CONFIG_EEPROM_93CX6=m
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y