On Sunday 22 November 2015 19:20:59, Guenter Roeck wrote:
diff --git a/Documentation/watchdog/watchdog-kernel-api.txt b/Documentation/watchdog/watchdog-kernel-api.txt^
index f66859117d1f..3f0963b2c33e 100644
@@ -212,6 +212,14 @@ bit-operations. The status bits that are defined are:
any watchdog_ops, so that you can be sure that no operations (other then
unref) will get called after unregister, even if userspace still holds a
reference to /dev/watchdog
+* WDOG_RUNNING: Set by the watchdog driver if the hardware watchdog is running.
+ The bit must be set if the watchdog timer hardware can not be stopped.
+ The bit may also be set if the watchdog timer is running aftyer booting,