PCI: versatile: Configure PCIe MPS settings

Make sure PCIe MPS settings are valid when we enumerate a new hierarchy.

Based-on-patch-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c
index b7dc07002f13..5ebee7d37ff5 100644
--- a/drivers/pci/host/pci-versatile.c
+++ b/drivers/pci/host/pci-versatile.c
@@ -124,7 +124,7 @@ static int versatile_pci_probe(struct platform_device *pdev)
         int ret, i, myslot = -1;
         u32 val;
         void __iomem *local_pci_cfg_base;
-        struct pci_bus *bus;
+        struct pci_bus *bus, *child;
         LIST_HEAD(pci_res);
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -204,6 +204,8 @@ static int versatile_pci_probe(struct platform_device *pdev)
 
         pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
         pci_assign_unassigned_bus_resources(bus);
+        list_for_each_entry(child, &bus->children, node)
+                pcie_bus_configure_settings(child);
         pci_bus_add_devices(bus);
 
         return 0;