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7037f7141c
Update header inclusions to follow IWYU (Include What You Use) principle. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20231221144447.2762077-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Pvpanic MMIO Device Support
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*
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* Copyright (C) 2013 Fujitsu.
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* Copyright (C) 2018 ZTE.
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* Copyright (C) 2021 Oracle.
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*/
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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/ioport.h>
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#include <linux/kexec.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include "pvpanic.h"
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MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>");
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MODULE_DESCRIPTION("pvpanic-mmio device driver");
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MODULE_LICENSE("GPL");
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static int pvpanic_mmio_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct resource *res;
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void __iomem *base;
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res = platform_get_mem_or_io(pdev, 0);
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if (!res)
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return -EINVAL;
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switch (resource_type(res)) {
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case IORESOURCE_IO:
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base = devm_ioport_map(dev, res->start, resource_size(res));
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if (!base)
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return -ENOMEM;
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break;
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case IORESOURCE_MEM:
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base = devm_ioremap_resource(dev, res);
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if (IS_ERR(base))
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return PTR_ERR(base);
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break;
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default:
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return -EINVAL;
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}
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return devm_pvpanic_probe(dev, base);
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}
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static const struct of_device_id pvpanic_mmio_match[] = {
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{ .compatible = "qemu,pvpanic-mmio", },
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{}
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};
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MODULE_DEVICE_TABLE(of, pvpanic_mmio_match);
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static const struct acpi_device_id pvpanic_device_ids[] = {
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{ "QEMU0001", 0 },
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{ "", 0 }
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};
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MODULE_DEVICE_TABLE(acpi, pvpanic_device_ids);
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static struct platform_driver pvpanic_mmio_driver = {
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.driver = {
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.name = "pvpanic-mmio",
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.of_match_table = pvpanic_mmio_match,
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.acpi_match_table = pvpanic_device_ids,
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.dev_groups = pvpanic_dev_groups,
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},
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.probe = pvpanic_mmio_probe,
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};
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module_platform_driver(pvpanic_mmio_driver);
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