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@xxxxxxxxxx>
---
drivers/pci/host/pci-host-common.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/pci/host/pci-host-common.c b/drivers/pci/host/pci-host-common.c
index 16a4e61..e7515fd 100644
--- a/drivers/pci/host/pci-host-common.c
+++ b/drivers/pci/host/pci-host-common.c
@@ -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) {
--
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