kernel/arch/arm64/boot/dts/rockchip/px30-robot.dtsi
.. .. @@ -17,7 +17,7 @@ 17 17 rockchip,serial-id = <2>; 18 18 rockchip,wake-irq = <0>; 19 19 /* If enable uart uses irq instead of fiq */ 20 - rockchip,irq-mode-enable = <0>;20 + rockchip,irq-mode-enable = <1>;21 21 rockchip,baudrate = <1500000>; /* Only 115200 and 1500000 */ 22 22 interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_LOW>; 23 23 pinctrl-names = "default";