diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index ff55b8c30712..ae69691471e9 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -1087,7 +1087,7 @@ static int ipmmu_probe(struct platform_device *pdev)
 	 * - R-Car Gen3 IPMMU (leaf devices only - skip root IPMMU-MM device)
 	 */
 	if (!mmu->features->has_cache_leaf_nodes || !ipmmu_is_root(mmu)) {
-		ret = iommu_device_sysfs_add(&mmu->iommu, &pdev->dev, NULL,
+		ret = iommu_device_sysfs_add(&mmu->iommu, &pdev->dev, NULL, "%s",
 					     dev_name(&pdev->dev));
 		if (ret)
 			return ret;