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

Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/pci/dmar.c

@@ -130,9 +130,10 @@ static int __init dmar_parse_dev_scope(void *start, void *end, int *cnt,
 		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");
+		}
 		start += scope->length;
 	}
 	if (*cnt == 0)