43 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			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");
 |