PCI: altera: Request host bridge window resources with core function

Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.

No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c
index dbac6fb3f0bd..b97abbcdba33 100644
--- a/drivers/pci/host/pcie-altera.c
+++ b/drivers/pci/host/pcie-altera.c
@@ -432,21 +432,20 @@ static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie)
         if (err)
                 return err;
 
+        err = devm_request_pci_bus_resources(dev, &pcie->resources);
+        if (err)
+                goto out_release_res;
+
         resource_list_for_each_entry(win, &pcie->resources) {
-                struct resource *parent, *res = win->res;
+                struct resource *res = win->res;
 
                 switch (resource_type(res)) {
                 case IORESOURCE_MEM:
-                        parent = &iomem_resource;
                         res_valid |= !(res->flags & IORESOURCE_PREFETCH);
                         break;
                 default:
                         continue;
                 }
-
-                err = devm_request_resource(dev, parent, res);
-                if (err)
-                        goto out_release_res;
         }
 
         if (!res_valid) {