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* [PATCH 2/3] power: supply: axp20x_usb_power: Use power efficient workqueue for debounce
@ 2020-11-09 12:11 Frank Lee
  0 siblings, 0 replies; only message in thread
From: Frank Lee @ 2020-11-09 12:11 UTC (permalink / raw)
  To: sre, wens, linux-pm, linux-kernel, tiny.windzz; +Cc: Yangtao Li

From: Yangtao Li <frank@allwinnertech.com>

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: Yangtao Li <frank@allwinnertech.com>
---
 drivers/power/supply/axp20x_usb_power.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
index 3b4fd710347d..70b28b699a80 100644
--- a/drivers/power/supply/axp20x_usb_power.c
+++ b/drivers/power/supply/axp20x_usb_power.c
@@ -92,7 +92,7 @@ static irqreturn_t axp20x_usb_power_irq(int irq, void *devid)
 
 	power_supply_changed(power->supply);
 
-	mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+	mod_delayed_work(system_power_efficient_wq, &power->vbus_detect, DEBOUNCE_TIME);
 
 	return IRQ_HANDLED;
 }
@@ -117,7 +117,7 @@ static void axp20x_usb_power_poll_vbus(struct work_struct *work)
 
 out:
 	if (axp20x_usb_vbus_needs_polling(power))
-		mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+		mod_delayed_work(system_power_efficient_wq, &power->vbus_detect, DEBOUNCE_TIME);
 }
 
 static int axp20x_get_current_max(struct axp20x_usb_power *power, int *val)
@@ -525,7 +525,7 @@ static int axp20x_usb_power_resume(struct device *dev)
 	while (i < power->num_irqs)
 		enable_irq(power->irqs[i++]);
 
-	mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+	mod_delayed_work(system_power_efficient_wq, &power->vbus_detect, DEBOUNCE_TIME);
 
 	return 0;
 }
@@ -647,7 +647,7 @@ static int axp20x_usb_power_probe(struct platform_device *pdev)
 
 	INIT_DELAYED_WORK(&power->vbus_detect, axp20x_usb_power_poll_vbus);
 	if (axp20x_usb_vbus_needs_polling(power))
-		queue_delayed_work(system_wq, &power->vbus_detect, 0);
+		queue_delayed_work(system_power_efficient_wq, &power->vbus_detect, 0);
 
 	return 0;
 }
-- 
2.28.0


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