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path: root/drivers/pci/host/pci-tegra.c
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Diffstat (limited to 'drivers/pci/host/pci-tegra.c')
-rw-r--r--drivers/pci/host/pci-tegra.c47
1 files changed, 9 insertions, 38 deletions
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 7689f448ff92..6de0757b11e4 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -9,6 +9,8 @@
*
* Bits taken from arch/arm/mach-dove/pcie.c
*
+ * Author: Thierry Reding <treding@nvidia.com>
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -32,7 +34,7 @@
#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_pci.h>
@@ -267,7 +269,6 @@ struct tegra_pcie {
struct list_head buses;
struct resource *cs;
- struct resource all;
struct resource io;
struct resource pio;
struct resource mem;
@@ -616,30 +617,21 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
sys->mem_offset = pcie->offset.mem;
sys->io_offset = pcie->offset.io;
- err = devm_request_resource(pcie->dev, &pcie->all, &pcie->io);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &ioport_resource, &pcie->pio);
+ err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->io);
if (err < 0)
return err;
- err = devm_request_resource(pcie->dev, &pcie->all, &pcie->mem);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &pcie->all, &pcie->prefetch);
- if (err)
- return err;
-
pci_add_resource_offset(&sys->resources, &pcie->pio, sys->io_offset);
pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pcie->prefetch,
sys->mem_offset);
pci_add_resource(&sys->resources, &pcie->busn);
- pci_remap_iospace(&pcie->pio, pcie->io.start);
+ err = devm_request_pci_bus_resources(pcie->dev, &sys->resources);
+ if (err < 0)
+ return err;
+ pci_remap_iospace(&pcie->pio, pcie->io.start);
return 1;
}
@@ -1816,12 +1808,6 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
struct resource res;
int err;
- memset(&pcie->all, 0, sizeof(pcie->all));
- pcie->all.flags = IORESOURCE_MEM;
- pcie->all.name = np->full_name;
- pcie->all.start = ~0;
- pcie->all.end = 0;
-
if (of_pci_range_parser_init(&parser, np)) {
dev_err(pcie->dev, "missing \"ranges\" property\n");
return -EINVAL;
@@ -1874,18 +1860,8 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
}
break;
}
-
- if (res.start <= pcie->all.start)
- pcie->all.start = res.start;
-
- if (res.end >= pcie->all.end)
- pcie->all.end = res.end;
}
- err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->all);
- if (err < 0)
- return err;
-
err = of_pci_parse_bus_range(np, &pcie->busn);
if (err < 0) {
dev_err(pcie->dev, "failed to parse ranges property: %d\n",
@@ -2113,7 +2089,6 @@ static const struct of_device_id tegra_pcie_of_match[] = {
{ .compatible = "nvidia,tegra20-pcie", .data = &tegra20_pcie_data },
{ },
};
-MODULE_DEVICE_TABLE(of, tegra_pcie_of_match);
static void *tegra_pcie_ports_seq_start(struct seq_file *s, loff_t *pos)
{
@@ -2302,8 +2277,4 @@ static struct platform_driver tegra_pcie_driver = {
},
.probe = tegra_pcie_probe,
};
-module_platform_driver(tegra_pcie_driver);
-
-MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
-MODULE_DESCRIPTION("NVIDIA Tegra PCIe driver");
-MODULE_LICENSE("GPL v2");
+builtin_platform_driver(tegra_pcie_driver);