diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 47e163b4..be81f61 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -246,12 +246,8 @@
 /* Function to enable the hardware */
 void __init iommu_enable(struct amd_iommu *iommu)
 {
-	printk(KERN_INFO "AMD IOMMU: Enabling IOMMU "
-	       "at %02x:%02x.%x cap 0x%hx\n",
-	       iommu->dev->bus->number,
-	       PCI_SLOT(iommu->dev->devfn),
-	       PCI_FUNC(iommu->dev->devfn),
-	       iommu->cap_ptr);
+	printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at %s cap 0x%hx\n",
+	       dev_name(&iommu->dev->dev), iommu->cap_ptr);
 
 	iommu_feature_enable(iommu, CONTROL_IOMMU_EN);
 }