diff --git a/qcom/tuna-usb.dtsi b/qcom/tuna-usb.dtsi
index 21c1cea6..88fa476e 100644
--- a/qcom/tuna-usb.dtsi
+++ b/qcom/tuna-usb.dtsi
@@ -40,7 +40,7 @@
 			reg = <0xa600000 0xd93c>;
 
 			iommus = <&apps_smmu 0x40 0x0>;
-			qcom,iommu-dma = "bypass";
+			qcom,iommu-dma = "atomic";
 			qcom,iommu-dma-addr-pool = <0x90000000 0x60000000>;
 			dma-coherent;