PCI: insert busn_res in pci_create_root_bus()

That busn_res is from resources list.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7662ab7b2640..59011ce9840f 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1684,7 +1684,10 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
                 list_move_tail(&window->list, &bridge->windows);
                 res = window->res;
                 offset = window->offset;
-                pci_bus_add_resource(b, res, 0);
+                if (res->flags & IORESOURCE_BUS)
+                        pci_bus_insert_busn_res(b, bus, res->end);
+                else
+                        pci_bus_add_resource(b, res, 0);
                 if (offset) {
                         if (resource_type(res) == IORESOURCE_IO)
                                 fmt = " (bus address [%#06llx-%#06llx])";