pretimeout_noop.c
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2015-2016 Mentor Graphics
*/
#include <linux/module.h>
#include <linux/printk.h>
#include <linux/watchdog.h>
#include "watchdog_pretimeout.h"
/**
* pretimeout_noop - No operation on watchdog pretimeout event
* @wdd - watchdog_device
*
* This function prints a message about pretimeout to kernel log.
*/
static void pretimeout_noop(struct watchdog_device *wdd)
{
pr_alert("watchdog%d: pretimeout event\n", wdd->id);
}
static struct watchdog_governor watchdog_gov_noop = {
.name = "noop",
.pretimeout = pretimeout_noop,
};
static int __init watchdog_gov_noop_register(void)
{
return watchdog_register_governor(&watchdog_gov_noop);
}
static void __exit watchdog_gov_noop_unregister(void)
{
watchdog_unregister_governor(&watchdog_gov_noop);
}
module_init(watchdog_gov_noop_register);
module_exit(watchdog_gov_noop_unregister);
MODULE_AUTHOR("Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>");
MODULE_DESCRIPTION("Panic watchdog pretimeout governor");
MODULE_LICENSE("GPL");