diff --git a/qcom/sm8150.dtsi b/qcom/sm8150.dtsi
index c6d3b545..891914c8 100644
--- a/qcom/sm8150.dtsi
+++ b/qcom/sm8150.dtsi
@@ -1995,5 +1995,6 @@
 };
 
 &qupv3_se9_2uart {
+	qcom,auto-suspend-disable;
 	status = "ok";
 };