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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * INT3401 processor thermal device4 * Copyright (c) 2020, Intel Corporation.5 */6#include <linux/acpi.h>7#include <linux/kernel.h>8#include <linux/module.h>9#include <linux/platform_device.h>10#include <linux/thermal.h>11 12#include "int340x_thermal_zone.h"13#include "processor_thermal_device.h"14 15static const struct acpi_device_id int3401_device_ids[] = {16 {"INT3401", 0},17 {"", 0},18};19MODULE_DEVICE_TABLE(acpi, int3401_device_ids);20 21static int int3401_add(struct platform_device *pdev)22{23 struct proc_thermal_device *proc_priv;24 int ret;25 26 proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL);27 if (!proc_priv)28 return -ENOMEM;29 30 ret = proc_thermal_add(&pdev->dev, proc_priv);31 if (ret)32 return ret;33 34 platform_set_drvdata(pdev, proc_priv);35 36 return ret;37}38 39static void int3401_remove(struct platform_device *pdev)40{41 proc_thermal_remove(platform_get_drvdata(pdev));42}43 44#ifdef CONFIG_PM_SLEEP45static int int3401_thermal_suspend(struct device *dev)46{47 return proc_thermal_suspend(dev);48}49static int int3401_thermal_resume(struct device *dev)50{51 return proc_thermal_resume(dev);52}53#else54#define int3401_thermal_suspend NULL55#define int3401_thermal_resume NULL56#endif57 58static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend,59 int3401_thermal_resume);60 61static struct platform_driver int3401_driver = {62 .probe = int3401_add,63 .remove_new = int3401_remove,64 .driver = {65 .name = "int3401 thermal",66 .acpi_match_table = int3401_device_ids,67 .pm = &int3401_proc_thermal_pm,68 },69};70 71module_platform_driver(int3401_driver);72 73MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");74MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");75MODULE_LICENSE("GPL v2");76