diff --git a/qcom/sm8150.dtsi b/qcom/sm8150.dtsi
index 9f020aa0..f9b8b389 100644
--- a/qcom/sm8150.dtsi
+++ b/qcom/sm8150.dtsi
@@ -1987,5 +1987,6 @@
 };
 
 &qupv3_se9_2uart {
+	qcom,auto-suspend-disable;
 	status = "ok";
 };