diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 76e9d3e2f9f2..15eef44efd03 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -886,8 +886,8 @@ struct amd_ir_data {
 	 */
 	struct irq_cfg *cfg;
 	int ga_vector;
-	int ga_root_ptr;
-	int ga_tag;
+	u64 ga_root_ptr;
+	u32 ga_tag;
 };
 
 struct amd_irte_ops {