renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-25 21:54:06 +08:00
Code

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

Browse Source 
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 12:05:05 -05:00
parent ba4f6d9201
commit b7f957ac27
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/pci/host/pci-host-common.c
View File

@ -36,12 +36,15 @@ static int gen_pci_parse_request_of_pci_ranges(struct device *dev,
if (err)
return err;
err = devm_request_pci_bus_resources(dev, resources);
if (err)
goto out_release_res;
resource_list_for_each_entry(win, 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",
@ -50,7 +53,6 @@ static int gen_pci_parse_request_of_pci_ranges(struct device *dev,
}
break;
case IORESOURCE_MEM:
parent = &iomem_resource;
res_valid |= !(res->flags & IORESOURCE_PREFETCH);
break;
case IORESOURCE_BUS:
@ -58,10 +60,6 @@ static int gen_pci_parse_request_of_pci_ranges(struct device *dev,
default:
continue;
}
err = devm_request_resource(dev, parent, res);
if (err)
goto out_release_res;
}
if (!res_valid) {