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extcon: arizona: Use power efficient workqueue 

None of the delayed work the driver schedules has particularly short delays
and it is not performance sensitive so let the scheduler run it wherever
is most efficient rather than in a per CPU workqueue by using the system
power efficient workqueue.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
Mark Brown 2013-07-18 22:42:22 +01:00 committed by Chanwoo Choi
parent 7281e05aab
commit df9a5ab463
1 changed files with 15 additions and 10 deletions
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25
drivers/extcon/extcon-arizona.c
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@ -890,8 +890,9 @@ static void arizona_micd_detect(struct work_struct *work)
handled:
if (info->detecting)
schedule_delayed_work(&info->micd_timeout_work,
msecs_to_jiffies(info->micd_timeout));
queue_delayed_work(system_power_efficient_wq,
&info->micd_timeout_work,
msecs_to_jiffies(info->micd_timeout));
pm_runtime_mark_last_busy(info->dev);
mutex_unlock(&info->lock);
@ -912,8 +913,9 @@ static irqreturn_t arizona_micdet(int irq, void *data)
mutex_unlock(&info->lock);
if (debounce)
schedule_delayed_work(&info->micd_detect_work,
msecs_to_jiffies(debounce));
queue_delayed_work(system_power_efficient_wq,
&info->micd_detect_work,
msecs_to_jiffies(debounce));
else
arizona_micd_detect(&info->micd_detect_work.work);
@ -967,12 +969,14 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
if (val == info->last_jackdet) {
dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n");
if (cancelled_hp)
schedule_delayed_work(&info->hpdet_work,
msecs_to_jiffies(HPDET_DEBOUNCE));
queue_delayed_work(system_power_efficient_wq,
&info->hpdet_work,
msecs_to_jiffies(HPDET_DEBOUNCE));
if (cancelled_mic)
schedule_delayed_work(&info->micd_timeout_work,
msecs_to_jiffies(info->micd_timeout));
queue_delayed_work(system_power_efficient_wq,
&info->micd_timeout_work,
msecs_to_jiffies(info->micd_timeout));
goto out;
}
@ -994,8 +998,9 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
arizona_start_mic(info);
} else {
schedule_delayed_work(&info->hpdet_work,
msecs_to_jiffies(HPDET_DEBOUNCE));
queue_delayed_work(system_power_efficient_wq,
&info->hpdet_work,
msecs_to_jiffies(HPDET_DEBOUNCE));
}
regmap_update_bits(arizona->regmap,