From: Krzysztof Kozlowski Date: Wed, 9 Apr 2014 13:20:15 +0000 (+0200) Subject: extcon: max8997: Use power efficient workqueue for delayed cable detection X-Git-Tag: next-20140521~21^2^2~20 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bf9509e032076dc5850598814c243c45a8b81690;p=karo-tx-linux.git extcon: max8997: Use power efficient workqueue for delayed cable detection Schedule delayed cable detection work on power efficient workqueue so the scheduler won't wake up idle core for that work. This extends the idle time for CPU cores and conserves power. Signed-off-by: Krzysztof Kozlowski Signed-off-by: Chanwoo Choi --- diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index 5e1b88cecb76..223e6b068c98 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -770,7 +770,8 @@ static int max8997_muic_probe(struct platform_device *pdev) * driver should notify cable state to upper layer. */ INIT_DELAYED_WORK(&info->wq_detcable, max8997_muic_detect_cable_wq); - schedule_delayed_work(&info->wq_detcable, delay_jiffies); + queue_delayed_work(system_power_efficient_wq, &info->wq_detcable, + delay_jiffies); return 0;