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PCI: rcar: Reuse generic pci_parse_request_of_pci_ranges() function 

The non-functional change removes a custom function to parse and
allocate PCI resources in favour of pci_parse_request_of_pci_ranges().

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Vladimir Zapolskiy 2018-04-25 18:21:25 +03:00 committed by Lorenzo Pieralisi
parent 2a291ead5e
commit f7e1c6461e
1 changed files with 1 additions and 41 deletions
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42
drivers/pci/host/pcie-rcar.c
View File

@ -1081,44 +1081,6 @@ static const struct of_device_id rcar_pcie_of_match[] = {
{},
};
static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
{
int err;
struct device *dev = pci->dev;
struct device_node *np = dev->of_node;
resource_size_t iobase;
struct resource_entry *win, *tmp;
err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources,
&iobase);
if (err)
return err;
err = devm_request_pci_bus_resources(dev, &pci->resources);
if (err)
goto out_release_res;
resource_list_for_each_entry_safe(win, tmp, &pci->resources) {
struct resource *res = win->res;
if (resource_type(res) == IORESOURCE_IO) {
err = pci_remap_iospace(res, iobase);
if (err) {
dev_warn(dev, "error %d: failed to map resource %pR\n",
err, res);
resource_list_destroy_entry(win);
}
}
}
return 0;
out_release_res:
pci_free_resource_list(&pci->resources);
return err;
}
static int rcar_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@ -1136,9 +1098,7 @@ static int rcar_pcie_probe(struct platform_device *pdev)
pcie->dev = dev;
INIT_LIST_HEAD(&pcie->resources);
err = rcar_pcie_parse_request_of_pci_ranges(pcie);
err = pci_parse_request_of_pci_ranges(dev, &pcie->resources, NULL);
if (err)
goto err_free_bridge;