diff --git a/arch/arm/configs/rk2818_info_defconfig b/arch/arm/configs/rk2818_info_defconfig
index ad028e9cc6a5..14e1d5f3cbe8 100755
--- a/arch/arm/configs/rk2818_info_defconfig
+++ b/arch/arm/configs/rk2818_info_defconfig
@@ -203,6 +203,7 @@ CONFIG_ARCH_RK2818=y
 # CONFIG_MACH_RK2818PHONE is not set
 # CONFIG_MACH_RAHO is not set
 CONFIG_MACH_RK2818INFO=y
+# CONFIG_MACH_RK2818INFO_IT50 is not set
 CONFIG_RK28_GPIO_IRQ=16
 CONFIG_RK28_ADC=y
 CONFIG_RK28_USB_WAKE=y
@@ -796,6 +797,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_RK2818=y
 CONFIG_UART0_RK2818=y
 CONFIG_UART1_RK2818=y
+# CONFIG_UART2_RK2818 is not set
+# CONFIG_UART3_RK2818 is not set
 CONFIG_SERIAL_RK2818_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set