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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2015-02-24 10:54:46 +0100
committerSebastian Reichel <sre@kernel.org>2015-02-25 21:45:46 +0100
commit52fa74ee690e6491295ac221c83c56563257f294 (patch)
tree9ddf81cf0e83decf3b252672cfe599d1d05dceaf /drivers/power/max17040_battery.c
parentpower_supply: max14577: Properly handle error conditions (diff)
downloadlinux-52fa74ee690e6491295ac221c83c56563257f294.tar.xz
linux-52fa74ee690e6491295ac221c83c56563257f294.zip
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>
Diffstat (limited to 'drivers/power/max17040_battery.c')
-rw-r--r--drivers/power/max17040_battery.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c
index 14d44706327b..63ff3f705154 100644
--- 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;
}