latest_heartbeat  126 drivers/watchdog/watchdog_dev.c 	ktime_t last_heartbeat, latest_heartbeat;
latest_heartbeat  145 drivers/watchdog/watchdog_dev.c 	latest_heartbeat = ktime_sub(last_heartbeat, ktime_get());
latest_heartbeat  146 drivers/watchdog/watchdog_dev.c 	if (ktime_before(latest_heartbeat, keepalive_interval))
latest_heartbeat  147 drivers/watchdog/watchdog_dev.c 		return latest_heartbeat;