diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 29ff808..db46fe8 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -106,6 +106,7 @@
 	void *driver_data;
 	unsigned long status;
 /* Bit numbers for status flags */
+#define WDOG_ACTIVE		0	/* Is the watchdog running/active */
 #define WDOG_DEV_OPEN		1	/* Opened via /dev/watchdog ? */
 };