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path: root/drivers/pci/host/pcie-rcar.c
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Diffstat (limited to 'drivers/pci/host/pcie-rcar.c')
-rw-r--r--drivers/pci/host/pcie-rcar.c47
1 files changed, 15 insertions, 32 deletions
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 350921880..5f7fcc971 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -7,6 +7,8 @@
* arch/sh/drivers/pci/ops-sh7786.c
* Copyright (C) 2009 - 2011 Paul Mundt
*
+ * Author: Phil Edworthy <phil.edworthy@renesas.com>
+ *
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
@@ -18,7 +20,7 @@
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/msi.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
@@ -936,12 +938,6 @@ static const struct of_device_id rcar_pcie_of_match[] = {
{ .compatible = "renesas,pcie-r8a7795", .data = rcar_pcie_hw_init },
{},
};
-MODULE_DEVICE_TABLE(of, rcar_pcie_of_match);
-
-static void rcar_pcie_release_of_pci_ranges(struct rcar_pcie *pci)
-{
- pci_free_resource_list(&pci->resources);
-}
static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
{
@@ -949,43 +945,34 @@ static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
struct device *dev = pci->dev;
struct device_node *np = dev->of_node;
resource_size_t iobase;
- struct resource_entry *win;
+ struct resource_entry *win, *tmp;
err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources, &iobase);
if (err)
return err;
- resource_list_for_each_entry(win, &pci->resources) {
- struct resource *parent, *res = win->res;
+ err = devm_request_pci_bus_resources(dev, &pci->resources);
+ if (err)
+ goto out_release_res;
- switch (resource_type(res)) {
- case IORESOURCE_IO:
- parent = &ioport_resource;
+ 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);
- continue;
- }
- break;
- case IORESOURCE_MEM:
- parent = &iomem_resource;
- break;
- case IORESOURCE_BUS:
- default:
- continue;
+ resource_list_destroy_entry(win);
+ }
}
-
- err = devm_request_resource(dev, parent, res);
- if (err)
- goto out_release_res;
}
return 0;
out_release_res:
- rcar_pcie_release_of_pci_ranges(pci);
+ pci_free_resource_list(&pci->resources);
return err;
}
@@ -1073,8 +1060,4 @@ static struct platform_driver rcar_pcie_driver = {
},
.probe = rcar_pcie_probe,
};
-module_platform_driver(rcar_pcie_driver);
-
-MODULE_AUTHOR("Phil Edworthy <phil.edworthy@renesas.com>");
-MODULE_DESCRIPTION("Renesas R-Car PCIe driver");
-MODULE_LICENSE("GPL v2");
+builtin_platform_driver(rcar_pcie_driver);