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-rw-r--r--include/linux/watchdog.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 35a4d8185b51..a786e5e8973b 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -117,6 +117,7 @@ struct watchdog_device {
#define WDOG_NO_WAY_OUT 1 /* Is 'nowayout' feature set ? */
#define WDOG_STOP_ON_REBOOT 2 /* Should be stopped on reboot */
#define WDOG_HW_RUNNING 3 /* True if HW watchdog running */
+#define WDOG_STOP_ON_UNREGISTER 4 /* Should be stopped on unregister */
struct list_head deferred;
};
@@ -151,6 +152,12 @@ static inline void watchdog_stop_on_reboot(struct watchdog_device *wdd)
set_bit(WDOG_STOP_ON_REBOOT, &wdd->status);
}
+/* Use the following function to stop the watchdog when unregistering it */
+static inline void watchdog_stop_on_unregister(struct watchdog_device *wdd)
+{
+ set_bit(WDOG_STOP_ON_UNREGISTER, &wdd->status);
+}
+
/* Use the following function to check if a timeout value is invalid */
static inline bool watchdog_timeout_invalid(struct watchdog_device *wdd, unsigned int t)
{
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