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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 00:21:34 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-14 00:21:34 +0200
commita21c1ea65615f5323575d84508637a9481ca79c6 (patch)
tree669d5bf3171cc42e82cc8396c61f56a48634313c /drivers/power/max17040_battery.c
parentMerge tag 'regulator-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/b... (diff)
parentpower: twl4030_madc_battery: Add missing MODULE_ALIAS (diff)
downloadlinux-a21c1ea65615f5323575d84508637a9481ca79c6.tar.xz
linux-a21c1ea65615f5323575d84508637a9481ca79c6.zip
Merge tag 'for-v4.1' of git://git.infradead.org/battery-2.6
Pull power supply and reset changes from Sebastian Reichel: - new API for safe access of power supply function attrs - devres support for power supply (un)registration - new drivers / chips: - generic syscon based poweroff driver - iio & charger driver for da9150 - fuel gauge driver for axp288 - bq27x00: add support for bq27510 - bq2415x: add support for bq24157s - twl4030-madc-battery: convert to iio consumer - misc fixes * tag 'for-v4.1' of git://git.infradead.org/battery-2.6: (66 commits) power: twl4030_madc_battery: Add missing MODULE_ALIAS power: twl4030-madc-battery: Convert to iio consumer. dt: power: Add docs for generic SYSCON poweroff driver. power: reset: Add generic SYSCON register mapped poweroff. power: max17042_battery: add missed blank power: max17042_battery: Use reg type instead of chip type power/reset: at91: big endian fixes for atsama5d3x power_supply: charger-manager: Fix dereferencing of ERR_PTR HID: input: Fix NULL pointer dereference when power_supply_register fails power: constify of_device_id array power/reset/rmobile-reset.c: Fix !HAS_IOMEM build power_supply: 88pm860x_charger: Fix possible NULL pointer dereference and use of initialized variable arm: mach-pxa: Decrement the power supply's device reference counter mfd: ab8500: Decrement the power supply's device reference counter power_supply: bq2415x_charger: Decrement the power supply's device reference counter power_supply: 88pm860x_charger: Decrement the power supply's device reference counter x86/olpc/xo15/sci: Use newly added power_supply_put API x86/olpc/xo1/sci: Use newly added power_supply_put API power_supply: charger-manager: Decrement the power supply's device reference counter power_supply: Increment power supply use counter when obtaining references ...
Diffstat (limited to 'drivers/power/max17040_battery.c')
-rw-r--r--drivers/power/max17040_battery.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c
index 14d44706327b..8689c80202b5 100644
--- a/drivers/power/max17040_battery.c
+++ b/drivers/power/max17040_battery.c
@@ -40,7 +40,7 @@
struct max17040_chip {
struct i2c_client *client;
struct delayed_work work;
- struct power_supply battery;
+ struct power_supply *battery;
struct max17040_platform_data *pdata;
/* State Of Connect */
@@ -57,8 +57,7 @@ static int max17040_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
- struct max17040_chip *chip = container_of(psy,
- struct max17040_chip, battery);
+ struct max17040_chip *chip = power_supply_get_drvdata(psy);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
@@ -188,7 +187,8 @@ 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[] = {
@@ -198,12 +198,20 @@ static enum power_supply_property max17040_battery_props[] = {
POWER_SUPPLY_PROP_CAPACITY,
};
+static const struct power_supply_desc max17040_battery_desc = {
+ .name = "battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .get_property = max17040_get_property,
+ .properties = max17040_battery_props,
+ .num_properties = ARRAY_SIZE(max17040_battery_props),
+};
+
static int max17040_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct power_supply_config psy_cfg = {};
struct max17040_chip *chip;
- int ret;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
return -EIO;
@@ -216,24 +224,21 @@ static int max17040_probe(struct i2c_client *client,
chip->pdata = client->dev.platform_data;
i2c_set_clientdata(client, chip);
+ psy_cfg.drv_data = chip;
- chip->battery.name = "battery";
- chip->battery.type = POWER_SUPPLY_TYPE_BATTERY;
- chip->battery.get_property = max17040_get_property;
- chip->battery.properties = max17040_battery_props;
- chip->battery.num_properties = ARRAY_SIZE(max17040_battery_props);
-
- ret = power_supply_register(&client->dev, &chip->battery);
- if (ret) {
+ chip->battery = power_supply_register(&client->dev,
+ &max17040_battery_desc, &psy_cfg);
+ if (IS_ERR(chip->battery)) {
dev_err(&client->dev, "failed: power supply register\n");
- return ret;
+ return PTR_ERR(chip->battery);
}
max17040_reset(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;
}
@@ -242,7 +247,7 @@ static int max17040_remove(struct i2c_client *client)
{
struct max17040_chip *chip = i2c_get_clientdata(client);
- power_supply_unregister(&chip->battery);
+ power_supply_unregister(chip->battery);
cancel_delayed_work(&chip->work);
return 0;
}
@@ -263,7 +268,8 @@ 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;
}