1 /*
2  * Copyright (C) 2015-2016 Mentor Graphics
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/watchdog.h>
14 
15 #include "watchdog_pretimeout.h"
16 
17 /**
18  * pretimeout_panic - Panic on watchdog pretimeout event
19  * @wdd - watchdog_device
20  *
21  * Panic, watchdog has not been fed till pretimeout event.
22  */
23 static void pretimeout_panic(struct watchdog_device *wdd)
24 {
25 	panic("watchdog pretimeout event\n");
26 }
27 
28 static struct watchdog_governor watchdog_gov_panic = {
29 	.name		= "panic",
30 	.pretimeout	= pretimeout_panic,
31 };
32 
33 static int __init watchdog_gov_panic_register(void)
34 {
35 	return watchdog_register_governor(&watchdog_gov_panic);
36 }
37 
38 static void __exit watchdog_gov_panic_unregister(void)
39 {
40 	watchdog_unregister_governor(&watchdog_gov_panic);
41 }
42 module_init(watchdog_gov_panic_register);
43 module_exit(watchdog_gov_panic_unregister);
44 
45 MODULE_AUTHOR("Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>");
46 MODULE_DESCRIPTION("Panic watchdog pretimeout governor");
47 MODULE_LICENSE("GPL");
48