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>

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index c8616fadccf166e9302d55134a6c92b6b63750ab..7f030f5d750bbb52e88d611b80555e852b497a6d 100644 (file)
--- 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;