mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-08-09 06:14:34 +02:00
Uwe Kleine-König (The Capable Hub)
995832b2ce
Replace the #include of <linux/mod_devicetable.h> by the more specific <linux/device-id/*.h> where applicable. For most cases the include can be dropped completely, only a few drivers need one or two headers added. Acked-by: Danilo Krummrich <dakr@kernel.org> Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Pvpanic MMIO Device Support
|
|
*
|
|
* Copyright (C) 2013 Fujitsu.
|
|
* Copyright (C) 2018 ZTE.
|
|
* Copyright (C) 2021 Oracle.
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/err.h>
|
|
#include <linux/io.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/kexec.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/types.h>
|
|
|
|
#include "pvpanic.h"
|
|
|
|
MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
|
|
MODULE_DESCRIPTION("pvpanic-mmio device driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int pvpanic_mmio_probe(struct platform_device *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct resource *res;
|
|
void __iomem *base;
|
|
|
|
res = platform_get_mem_or_io(pdev, 0);
|
|
if (!res)
|
|
return -EINVAL;
|
|
|
|
switch (resource_type(res)) {
|
|
case IORESOURCE_IO:
|
|
base = devm_ioport_map(dev, res->start, resource_size(res));
|
|
if (!base)
|
|
return -ENOMEM;
|
|
break;
|
|
case IORESOURCE_MEM:
|
|
base = devm_ioremap_resource(dev, res);
|
|
if (IS_ERR(base))
|
|
return PTR_ERR(base);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return devm_pvpanic_probe(dev, base);
|
|
}
|
|
|
|
static const struct of_device_id pvpanic_mmio_match[] = {
|
|
{ .compatible = "qemu,pvpanic-mmio", },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, pvpanic_mmio_match);
|
|
|
|
static const struct acpi_device_id pvpanic_device_ids[] = {
|
|
{ "QEMU0001", 0 },
|
|
{ "", 0 }
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, pvpanic_device_ids);
|
|
|
|
static struct platform_driver pvpanic_mmio_driver = {
|
|
.driver = {
|
|
.name = "pvpanic-mmio",
|
|
.of_match_table = pvpanic_mmio_match,
|
|
.acpi_match_table = pvpanic_device_ids,
|
|
.dev_groups = pvpanic_dev_groups,
|
|
},
|
|
.probe = pvpanic_mmio_probe,
|
|
};
|
|
module_platform_driver(pvpanic_mmio_driver);
|