extcon: gpio: Use power efficient workqueue for debounce

The debounce timeout is generally quite long and the work not performance
critical so allow the scheduler to run the work anywhere rather than in
the normal per-CPU workqueue.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index 02bec32adde4bee5bb30a9ff385929d9f8ccb5d2..f874c30ddbff0a0bb51949d7aa2de90c67c7227b 100644 (file)
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -56,7 +56,7 @@ static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
 {
        struct gpio_extcon_data *extcon_data = dev_id;
 
-       schedule_delayed_work(&extcon_data->work,
+       queue_delayed_work(system_power_efficient_wq, &extcon_data->work,
                              extcon_data->debounce_jiffies);
        return IRQ_HANDLED;
 }