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authorRasmus Villemoes <rasmus.villemoes@prevas.dk>2017-05-30 11:56:45 +0300
committerWim Van Sebroeck <wim@iguana.be>2017-07-03 14:59:05 +0300
commitc013b65ad8a1e132f733404809afc72f7d00e768 (patch)
tree6ff27ee4ea3e3209d53179f5b27531d297cd93bf /drivers/watchdog
parente7bf02895f06c0603af800c4bfce3ca4ede9147d (diff)
downloadlinux-c013b65ad8a1e132f733404809afc72f7d00e768.tar.xz
watchdog: introduce watchdog_worker_should_ping helper
This will be useful when the condition becomes slightly more complicated in the next patch. Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Reviewed-by: Esben Haabendal <esben@haabendal.dk> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/watchdog_dev.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 4bc7ab60b12c..0826e663bd5a 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -195,18 +195,23 @@ static int watchdog_ping(struct watchdog_device *wdd)
return __watchdog_ping(wdd);
}
+static bool watchdog_worker_should_ping(struct watchdog_core_data *wd_data)
+{
+ struct watchdog_device *wdd = wd_data->wdd;
+
+ return wdd && (watchdog_active(wdd) || watchdog_hw_running(wdd));
+}
+
static void watchdog_ping_work(struct work_struct *work)
{
struct watchdog_core_data *wd_data;
- struct watchdog_device *wdd;
wd_data = container_of(to_delayed_work(work), struct watchdog_core_data,
work);
mutex_lock(&wd_data->lock);
- wdd = wd_data->wdd;
- if (wdd && (watchdog_active(wdd) || watchdog_hw_running(wdd)))
- __watchdog_ping(wdd);
+ if (watchdog_worker_should_ping(wd_data))
+ __watchdog_ping(wd_data->wdd);
mutex_unlock(&wd_data->lock);
}