drivers/watchdog/shwdt.c

59  * As such, we currently use a configurable heartbeat interval which defaults
61  * writes to the device before the next heartbeat is scheduled. If the daemon
67 #define WATCHDOG_HEARTBEAT 30			/* 30 sec default heartbeat */
68 static int heartbeat = WATCHDOG_HEARTBEAT;	/* in seconds */  variable
92 	next_heartbeat = jiffies + (heartbeat * HZ);  in sh_wdt_start()
152 	next_heartbeat = jiffies + (heartbeat * HZ);  in sh_wdt_keepalive()
167 	heartbeat = t;  in sh_wdt_set_heartbeat()
191 		dev_warn(wdt->dev, "Heartbeat lost! Will not ping "  in sh_wdt_ping()
253 	rc = sh_wdt_set_heartbeat(&sh_wdt_dev, heartbeat);  in sh_wdt_probe()
259 			 "heartbeat value must be 1<=x<=3600, using %d\n",  in sh_wdt_probe()
263 	dev_info(&pdev->dev, "configured with heartbeat=%d sec (nowayout=%d)\n",  in sh_wdt_probe()
334 module_param(heartbeat, int, 0);
335 MODULE_PARM_DESC(heartbeat,
336 	"Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default="