diff --git a/arch/arm/boot/dts/rk3288-tb.dts b/arch/arm/boot/dts/rk3288-tb.dts
index f8decfadfca8..47fcfa7c5a5c 100755
--- a/arch/arm/boot/dts/rk3288-tb.dts
+++ b/arch/arm/boot/dts/rk3288-tb.dts
@@ -305,7 +305,7 @@
 
 &uart_bt {
         status = "okay";
-        dma-names = "!tx", "!rx";
+        dma-names = "tx", "rx";
         pinctrl-0 = <&uart0_xfer &uart0_cts>;
 };