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

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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>
This commit is contained in:
Bjorn Helgaas 2016-05-31 12:20:57 -05:00
parent ac575ead87
commit 6fd7f55097
1 changed files with 5 additions and 7 deletions
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12
drivers/pci/host/pcie-rcar.c
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@ -955,12 +955,15 @@ static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
if (err)
return err;
err = devm_request_pci_bus_resources(dev, &pci->resources);
if (err)
goto out_release_res;
resource_list_for_each_entry(win, &pci->resources) {
struct resource *parent, *res = win->res;
struct resource *res = win->res;
switch (resource_type(res)) {
case IORESOURCE_IO:
parent = &ioport_resource;
err = pci_remap_iospace(res, iobase);
if (err) {
dev_warn(dev, "error %d: failed to map resource %pR\n",
@ -969,17 +972,12 @@ static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
}
break;
case IORESOURCE_MEM:
parent = &iomem_resource;
break;
case IORESOURCE_BUS:
default:
continue;
}
err = devm_request_resource(dev, parent, res);
if (err)
goto out_release_res;
}
return 0;