4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lorenzo Pieralisi <[email protected]>

commit 94b9d290b753cbbc87971ee134511245f5872a83 upstream.

The changes in commit 9af275be15f7 ("PCI: xgene: Convert PCI scan API to
pci_scan_root_bus_bridge()") converted the xgene PCI host driver to
the new pci_scan_root_bus_bridge() bus scanning API but erroneously left
the existing pci_scan_child_bus() call in place which resulted in duplicate
PCI bus enumerations.

Remove the leftover pci_scan_child_bus() call to properly complete the API
conversion.

Fixes: 9af275be15f7 ("PCI: xgene: Convert PCI scan API to 
pci_scan_root_bus_bridge()")
Tested-by: Khuong Dinh <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Cc: <[email protected]> # 4.13+
Cc: Bjorn Helgaas <[email protected]>
Cc: Tanmay Inamdar <[email protected]>
Signed-off-by: Sudip Mukherjee <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/pci/host/pci-xgene.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -686,7 +686,6 @@ static int xgene_pcie_probe_bridge(struc
 
        bus = bridge->bus;
 
-       pci_scan_child_bus(bus);
        pci_assign_unassigned_bus_resources(bus);
        list_for_each_entry(child, &bus->children, node)
                pcie_bus_configure_settings(child);


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