65 /* Timer heartbeat (500ms) */
70 static int heartbeat;  variable
71 module_param(heartbeat, int, 0);
72 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
88 	unsigned long heartbeat;	/* WDT heartbeat in jiffies */  member
126 		mod_timer(&wdt->timer, jiffies + wdt->heartbeat);  in at91_ping()
187 			"heartbeat is too small for the system to handle it correctly\n");  in at91_wdt_init()
198 		wdt->heartbeat = max_heartbeat / 4;  in at91_wdt_init()
200 		wdt->heartbeat = max_heartbeat / 2;  in at91_wdt_init()
202 		wdt->heartbeat = min_heartbeat;  in at91_wdt_init()
206 			 "min heartbeat and max heartbeat might be too close for the system to handle it correctly\n");  in at91_wdt_init()
227 	 *  - waiting for heartbeat time might lead to a watchdog timeout  in at91_wdt_init()
234 		watchdog_init_timeout(&wdt->wdd, heartbeat, dev);  in at91_wdt_init()
276 	if (!of_property_read_u32_index(np, "atmel,max-heartbeat-sec", 0,  in of_at91wdt_init()
281 		if (!of_property_read_u32_index(np, "atmel,min-heartbeat-sec",  in of_at91wdt_init()
369 	pr_info("enabled (heartbeat=%d sec, nowayout=%d)\n",  in at91wdt_probe()