PCI: xilinx: 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/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index c8616fadccf1..7f030f5d750b 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -632,7 +632,7 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
 {
         struct device *dev = &pdev->dev;
         struct xilinx_pcie_port *port;
-        struct pci_bus *bus;
+        struct pci_bus *bus, *child;
         int err;
         resource_size_t iobase = 0;
         LIST_HEAD(res);
@@ -686,6 +686,8 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
 #ifndef CONFIG_MICROBLAZE
         pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
 #endif
+        list_for_each_entry(child, &bus->children, node)
+                pcie_bus_configure_settings(child);
         pci_bus_add_devices(bus);
         return 0;