[modified file]
arch/arm/configs/rk3188_ac_defconfig
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
# CONFIG_MISC_FILESYSTEMS is not set
-# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_CIFS=y
+CONFIG_CIFS_STATS=y
+CONFIG_CIFS_STATS2=y
+CONFIG_CIFS_WEAK_PW_HASH=y
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+CONFIG_CIFS_DEBUG2=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_EFI_PARTITION=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=y
CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y