diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 3bc0fcd..542e7df 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -347,6 +347,7 @@
 	child->parent = parent;
 	child->ops = parent->ops;
 	child->sysdata = parent->sysdata;
+	child->bus_flags = parent->bus_flags;
 	child->bridge = get_device(&bridge->dev);
 
 	child->class_dev.class = &pcibus_class;