linux/drivers/watchdog/stmp3xxx_rtc_wdt.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Watchdog driver for the RTC based watchdog in STMP3xxx and i.MX23/28
 *
 * Author: Wolfram Sang <[email protected]>
 *
 * Copyright (C) 2011-12 Wolfram Sang, Pengutronix
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
#include <linux/stmp3xxx_rtc_wdt.h>
#include <linux/notifier.h>
#include <linux/reboot.h>

#define WDOG_TICK_RATE …
#define STMP3XXX_DEFAULT_TIMEOUT …
#define STMP3XXX_MAX_TIMEOUT …

static int heartbeat = …;
module_param(heartbeat, uint, 0);
MODULE_PARM_DESC(…) …;

static int wdt_start(struct watchdog_device *wdd)
{ … }

static int wdt_stop(struct watchdog_device *wdd)
{ … }

static int wdt_set_timeout(struct watchdog_device *wdd, unsigned new_timeout)
{ … }

static const struct watchdog_info stmp3xxx_wdt_ident = …;

static const struct watchdog_ops stmp3xxx_wdt_ops = …;

static struct watchdog_device stmp3xxx_wdd = …;

static int wdt_notify_sys(struct notifier_block *nb, unsigned long code,
			  void *unused)
{ … }

static struct notifier_block wdt_notifier = …;

static int stmp3xxx_wdt_probe(struct platform_device *pdev)
{ … }

static void stmp3xxx_wdt_remove(struct platform_device *pdev)
{ … }

static int __maybe_unused stmp3xxx_wdt_suspend(struct device *dev)
{ … }

static int __maybe_unused stmp3xxx_wdt_resume(struct device *dev)
{ … }

static SIMPLE_DEV_PM_OPS(stmp3xxx_wdt_pm_ops,
			 stmp3xxx_wdt_suspend, stmp3xxx_wdt_resume);

static struct platform_driver stmp3xxx_wdt_driver = …;
module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;