diff --git a/arch/arm64/configs/vendor/lahaina_debug.config b/arch/arm64/configs/vendor/lahaina_debug.config
index aa65d708c21b..4c89412f728a 100644
--- a/arch/arm64/configs/vendor/lahaina_debug.config
+++ b/arch/arm64/configs/vendor/lahaina_debug.config
@@ -1,2 +1,3 @@
 CONFIG_HVC_DCC=y
 CONFIG_HVC_DCC_SERIALIZE_SMP=y
+CONFIG_IOMMU_TLBSYNC_DEBUG=y