summaryrefslogtreecommitdiff
path: root/include/linux/watchdog.h
diff options
context:
space:
mode:
authorViresh Kumar <viresh.kumar@st.com>2012-03-12 09:51:56 +0530
committerWim Van Sebroeck <wim@iguana.be>2012-05-30 07:53:46 +0200
commit257f8c4aae392654d4ab846030b9f4518f16ed32 (patch)
tree54b97861301fa1097126f9d6d42633e835adff72 /include/linux/watchdog.h
parent09a46e739780aab2eadf47afdefa70c9cd69d83d (diff)
watchdog: Add watchdog_active() routine
Some watchdog may need to check if watchdog is ACTIVE or not, for example in their suspend/resume hooks. This patch adds this routine and changes the core drivers to use it. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'include/linux/watchdog.h')
-rw-r--r--include/linux/watchdog.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index ac40716b44e9..1984ea610577 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -128,6 +128,12 @@ struct watchdog_device {
#define WATCHDOG_NOWAYOUT_INIT_STATUS 0
#endif
+/* Use the following function to check wether or not the watchdog is active */
+static inline bool watchdog_active(struct watchdog_device *wdd)
+{
+ return test_bit(WDOG_ACTIVE, &wdd->status);
+}
+
/* Use the following function to set the nowayout feature */
static inline void watchdog_set_nowayout(struct watchdog_device *wdd, bool nowayout)
{