diff options
| author | Mark Brown <broonie@linaro.org> | 2013-07-18 22:42:22 +0100 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2013-08-05 08:53:34 +0900 |
| commit | df9a5ab46332b58a0ce8877fe65c7e98b9f36e8a (patch) | |
| tree | a107497050a4d56bf8099e38fb92e52ab5f7cb0b /drivers/extcon | |
| parent | 7281e05aabee7484624d448da208932690ed62b3 (diff) | |
| download | lwn-df9a5ab46332b58a0ce8877fe65c7e98b9f36e8a.tar.gz lwn-df9a5ab46332b58a0ce8877fe65c7e98b9f36e8a.zip | |
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>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 7a1b4a7791ba..e55713083c78 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -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, |