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watchdog: introduce watchdog_worker_should_ping helper

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This will be useful when the condition becomes slightly more
complicated in the next patch.

Signed-off-by: Rasmus Villemoes <[email protected]>
Reviewed-by: Esben Haabendal <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
This commit is contained in:
Rasmus Villemoes 2017-05-30 10:56:45 +02:00 • committed by Wim Van Sebroeck
commit c013b65ad8
1 changed files with 9 additions and 4 deletions
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13
drivers/watchdog/watchdog_dev.c
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@ -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);
}