intel-iommu: Don't complain that ACPI_DMAR_SCOPE_TYPE_IOAPIC is not supported

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index ffe22bc..a04bde9 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -130,9 +130,10 @@
 		if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT ||
 		    scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE)
 			(*cnt)++;
-		else
+		else if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_IOAPIC) {
 			printk(KERN_WARNING PREFIX
-				"Unsupported device scope\n");
+			       "Unsupported device scope\n");
+		}
 		start += scope->length;
 	}
 	if (*cnt == 0)