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watchdog: Add watchdog_active() routine

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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>
This commit is contained in:
Viresh Kumar
2012-03-12 09:51:56 +05:30
committed by Wim Van Sebroeck
parent 09a46e7397
commit 257f8c4aae
3 changed files with 10 additions and 4 deletions
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6
include/linux/watchdog.h
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@@ -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)
{