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path: root/drivers/pci/host/pci-rcar-gen2.c
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Diffstat (limited to 'drivers/pci/host/pci-rcar-gen2.c')
-rw-r--r--drivers/pci/host/pci-rcar-gen2.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 9980a4bda..597566f96 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -4,6 +4,8 @@
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Cogent Embedded, Inc.
*
+ * Author: Valentine Barshak <valentine.barshak@cogentembedded.com>
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@@ -14,7 +16,6 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_pci.h>
#include <linux/pci.h>
@@ -97,7 +98,6 @@
struct rcar_pci_priv {
struct device *dev;
void __iomem *reg;
- struct resource io_res;
struct resource mem_res;
struct resource *cfg_res;
unsigned busnr;
@@ -194,6 +194,7 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
struct rcar_pci_priv *priv = sys->private_data;
void __iomem *reg = priv->reg;
u32 val;
+ int ret;
pm_runtime_enable(priv->dev);
pm_runtime_get_sync(priv->dev);
@@ -273,8 +274,10 @@ static int rcar_pci_setup(int nr, struct pci_sys_data *sys)
rcar_pci_setup_errirq(priv);
/* Add PCI resources */
- pci_add_resource(&sys->resources, &priv->io_res);
pci_add_resource(&sys->resources, &priv->mem_res);
+ ret = devm_request_pci_bus_resources(priv->dev, &sys->resources);
+ if (ret < 0)
+ return ret;
/* Setup bus number based on platform device id / of bus-range */
sys->busnr = priv->busnr;
@@ -371,14 +374,6 @@ static int rcar_pci_probe(struct platform_device *pdev)
return -ENOMEM;
priv->mem_res = *mem_res;
- /*
- * The controller does not support/use port I/O,
- * so setup a dummy port I/O region here.
- */
- priv->io_res.start = priv->mem_res.start;
- priv->io_res.end = priv->mem_res.end;
- priv->io_res.flags = IORESOURCE_IO;
-
priv->cfg_res = cfg_res;
priv->irq = platform_get_irq(pdev, 0);
@@ -421,6 +416,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
hw_private[0] = priv;
memset(&hw, 0, sizeof(hw));
hw.nr_controllers = ARRAY_SIZE(hw_private);
+ hw.io_optional = 1;
hw.private_data = hw_private;
hw.map_irq = rcar_pci_map_irq;
hw.ops = &rcar_pci_ops;
@@ -437,8 +433,6 @@ static struct of_device_id rcar_pci_of_match[] = {
{ },
};
-MODULE_DEVICE_TABLE(of, rcar_pci_of_match);
-
static struct platform_driver rcar_pci_driver = {
.driver = {
.name = "pci-rcar-gen2",
@@ -447,9 +441,4 @@ static struct platform_driver rcar_pci_driver = {
},
.probe = rcar_pci_probe,
};
-
-module_platform_driver(rcar_pci_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Renesas R-Car Gen2 internal PCI");
-MODULE_AUTHOR("Valentine Barshak <valentine.barshak@cogentembedded.com>");
+builtin_platform_driver(rcar_pci_driver);