PCI: rcar Gen2: Request host bridge window resources

Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.

Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index ddf776556c78..e8f5ac84b2c6 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -193,6 +193,7 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
         struct rcar_pci_priv *priv = sys->private_data;
         void __iomem *reg = priv->reg;
         u32 val;
+        int ret;
 
         pm_runtime_enable(priv->dev);
         pm_runtime_get_sync(priv->dev);
@@ -273,6 +274,9 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
 
         /* Add PCI resources */
         pci_add_resource(&sys->resources, &priv->mem_res);
+        ret = devm_request_pci_bus_resources(priv->dev, &sys->resources);
+        if (ret < 0)
+                return ret;
 
         /* Setup bus number based on platform device id / of bus-range */
         sys->busnr = priv->busnr;