diff --git a/qcom/lahaina.dtsi b/qcom/lahaina.dtsi
index 5e0445c609d7..539b92505b39 100644
--- a/qcom/lahaina.dtsi
+++ b/qcom/lahaina.dtsi
@@ -2051,6 +2051,7 @@
 				<0x146BD000 0x146BD000 0x2000>;
 			dma-coherent;
 			qcom,iommu-dma = "fastmap";
+			qcom,ipa-q6-smem-size = <26624>;
 		};
 
 		ipa_smmu_wlan: ipa_smmu_wlan {