| Message ID | 1359702386-21284-2-git-send-email-wenyou.yang@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index e40cc2b..7ea4465 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -111,6 +111,14 @@ static inline bool watchdog_active(struct watchdog_device *wdd) return test_bit(WDOG_ACTIVE, &wdd->status); } +/* Use the following function to check whether or not + * the /dev/watchdog? is opened + */ +static inline bool watchdog_is_open(struct watchdog_device *wddev) +{ + return test_bit(WDOG_DEV_OPEN, &wddev->status); +} + /* Use the following function to set the nowayout feature */ static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool nowayout) {
Add the function watchdog_is_open to check whether or not the /dev/watchdog? is opened Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Cc: wim@iguana.be Cc: linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- include/linux/watchdog.h | 8 ++++++++ 1 file changed, 8 insertions(+)