Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86

[firefly-linux-kernel-4.4.55.git] / include / linux / watchdog.h

diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 3a9df2f43be642a7cbad15f678ef29c7f85f27e5..2a3038ee17a33a3f6b4b4bee7b25dc6f0f633b04 100644 (file)
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -118,6 +118,13 @@ static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool noway
                set_bit(WDOG_NO_WAY_OUT, &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)
+{
+       return ((wdd->max_timeout != 0) &&
+               (t < wdd->min_timeout || t > wdd->max_timeout));
+}
+
 /* Use the following functions to manipulate watchdog driver specific data */
 static inline void watchdog_set_drvdata(struct watchdog_device *wdd, void *data)
 {
@@ -130,6 +137,8 @@ static inline void *watchdog_get_drvdata(struct watchdog_device *wdd)
 }
 
 /* drivers/watchdog/watchdog_core.c */
+extern int watchdog_init_timeout(struct watchdog_device *wdd,
+                                 unsigned int timeout_parm, struct device *dev);
 extern int watchdog_register_device(struct watchdog_device *);
 extern void watchdog_unregister_device(struct watchdog_device *);