linux-zen-server/drivers/platform/x86/intel_scu_pltdrv.c

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* Platform driver for the Intel SCU.
*
* Copyright (C) 2019, Intel Corporation
* Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
* Mika Westerberg <mika.westerberg@linux.intel.com>
* Rajmohan Mani <rajmohan.mani@intel.com>
*/
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <asm/intel_scu_ipc.h>
static int intel_scu_platform_probe(struct platform_device *pdev)
{
struct intel_scu_ipc_data scu_data = {};
struct intel_scu_ipc_dev *scu;
const struct resource *res;
scu_data.irq = platform_get_irq_optional(pdev, 0);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENOMEM;
scu_data.mem = *res;
scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
if (IS_ERR(scu))
return PTR_ERR(scu);
platform_set_drvdata(pdev, scu);
return 0;
}
static const struct acpi_device_id intel_scu_acpi_ids[] = {
{ "INTC1026" },
{}
};
MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
static struct platform_driver intel_scu_platform_driver = {
.probe = intel_scu_platform_probe,
.driver = {
.name = "intel_scu",
.acpi_match_table = intel_scu_acpi_ids,
},
};
module_platform_driver(intel_scu_platform_driver);
MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
MODULE_DESCRIPTION("Intel SCU platform driver");
MODULE_LICENSE("GPL v2");