diff options
Diffstat (limited to 'include/linux/watchdog.h')
| -rw-r--r-- | include/linux/watchdog.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index b7f45d48b2de..2a3038ee17a3 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -105,7 +105,7 @@ struct watchdog_device { #define WATCHDOG_NOWAYOUT_INIT_STATUS 0 #endif -/* Use the following function to check wether or not the watchdog is active */ +/* Use the following function to check whether or not the watchdog is active */ static inline bool watchdog_active(struct watchdog_device *wdd) { return test_bit(WDOG_ACTIVE, &wdd->status); @@ -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) { @@ -129,7 +136,9 @@ static inline void *watchdog_get_drvdata(struct watchdog_device *wdd) return wdd->driver_data; } -/* drivers/watchdog/core/watchdog_core.c */ +/* 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 *); |