Index: drivers/acpi/pci_link.c
===================================================================
--- drivers/acpi/pci_link.c	(revision 19748)
+++ drivers/acpi/pci_link.c	(working copy)
@@ -703,6 +703,9 @@
 	acpi_link.count++;
 
 end:
+	/* disable all links -- to be activated on use */
+	acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);
+
 	if (result)
 		kfree(link);