kernel/arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi
.. .. @@ -135,7 +135,7 @@ 135 135 /* UART0 pads available on core board */ 136 136 &uart0 { 137 137 pinctrl-names = "default"; 138 - pinctrl-0 = <&uart0_pins_a>;138 + pinctrl-0 = <&uart0_ph_pins>;139 139 status = "okay"; 140 140 }; 141 141