diff --git a/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi b/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
index 15d4cf55b..d1addcbe4 100755
--- a/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -824,8 +824,8 @@
 		clock-names = "baudclk", "apb_pclk";
 		reg-shift = <2>;
 		reg-io-width = <4>;
-		dmas = <&dmac 4>, <&dmac 5>;
-                dma-names = "tx","rx";
+		//dmas = <&dmac 2>, <&dmac 3>;
+        //        dma-names = "tx","rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart1_xfer &uart1_cts &uart1_rts>;
 		status = "disabled";