power_supply: max17040: Use system efficient workqueues

The scheduled work in max17040_battery driver reads device parameters
and stores them in memory. Any CPU could do that so use system efficient
workqueues to limit unnecessary CPU wake ups.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c
index 14d4470..63ff3f7 100644 (file)
--- a/drivers/power/max17040_battery.c
+++ b/drivers/power/max17040_battery.c
@@ -188,7 +188,8 @@ static void max17040_work(struct work_struct *work)
        max17040_get_online(chip->client);
        max17040_get_status(chip->client);
 
-       schedule_delayed_work(&chip->work, MAX17040_DELAY);
+       queue_delayed_work(system_power_efficient_wq, &chip->work,
+                          MAX17040_DELAY);
 }
 
 static enum power_supply_property max17040_battery_props[] = {
@@ -233,7 +234,8 @@ static int max17040_probe(struct i2c_client *client,
        max17040_get_version(client);
 
        INIT_DEFERRABLE_WORK(&chip->work, max17040_work);
-       schedule_delayed_work(&chip->work, MAX17040_DELAY);
+       queue_delayed_work(system_power_efficient_wq, &chip->work,
+                          MAX17040_DELAY);
 
        return 0;
 }
@@ -263,7 +265,8 @@ static int max17040_resume(struct device *dev)
        struct i2c_client *client = to_i2c_client(dev);
        struct max17040_chip *chip = i2c_get_clientdata(client);
 
-       schedule_delayed_work(&chip->work, MAX17040_DELAY);
+       queue_delayed_work(system_power_efficient_wq, &chip->work,
+                          MAX17040_DELAY);
        return 0;
 }