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path: root/drivers/power/bq27x00_battery.c
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Diffstat (limited to 'drivers/power/bq27x00_battery.c')
-rw-r--r--drivers/power/bq27x00_battery.c74
1 files changed, 38 insertions, 36 deletions
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index a992e43908a2..a57433de5c24 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -116,7 +116,7 @@ struct bq27x00_device_info {
unsigned long last_update;
struct delayed_work work;
- struct power_supply bat;
+ struct power_supply *bat;
struct bq27x00_access_methods bus;
@@ -531,7 +531,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
}
if (di->cache.capacity != cache.capacity)
- power_supply_changed(&di->bat);
+ power_supply_changed(di->bat);
if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
di->cache = cache;
@@ -603,7 +603,7 @@ static int bq27x00_battery_status(struct bq27x00_device_info *di,
status = POWER_SUPPLY_STATUS_FULL;
else if (di->cache.flags & BQ27000_FLAG_CHGS)
status = POWER_SUPPLY_STATUS_CHARGING;
- else if (power_supply_am_i_supplied(&di->bat))
+ else if (power_supply_am_i_supplied(di->bat))
status = POWER_SUPPLY_STATUS_NOT_CHARGING;
else
status = POWER_SUPPLY_STATUS_DISCHARGING;
@@ -675,15 +675,12 @@ static int bq27x00_simple_value(int value,
return 0;
}
-#define to_bq27x00_device_info(x) container_of((x), \
- struct bq27x00_device_info, bat);
-
static int bq27x00_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
int ret = 0;
- struct bq27x00_device_info *di = to_bq27x00_device_info(psy);
+ struct bq27x00_device_info *di = power_supply_get_drvdata(psy);
mutex_lock(&di->lock);
if (time_is_before_jiffies(di->last_update + 5 * HZ)) {
@@ -761,38 +758,47 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
static void bq27x00_external_power_changed(struct power_supply *psy)
{
- struct bq27x00_device_info *di = to_bq27x00_device_info(psy);
+ struct bq27x00_device_info *di = power_supply_get_drvdata(psy);
cancel_delayed_work_sync(&di->work);
schedule_delayed_work(&di->work, 0);
}
-static int bq27x00_powersupply_init(struct bq27x00_device_info *di)
+static int bq27x00_powersupply_init(struct bq27x00_device_info *di,
+ const char *name)
{
int ret;
+ struct power_supply_desc *psy_desc;
+ struct power_supply_config psy_cfg = { .drv_data = di, };
+
+ psy_desc = devm_kzalloc(di->dev, sizeof(*psy_desc), GFP_KERNEL);
+ if (!psy_desc)
+ return -ENOMEM;
- di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+ psy_desc->name = name;
+ psy_desc->type = POWER_SUPPLY_TYPE_BATTERY;
if (di->chip == BQ27425) {
- di->bat.properties = bq27425_battery_props;
- di->bat.num_properties = ARRAY_SIZE(bq27425_battery_props);
+ psy_desc->properties = bq27425_battery_props;
+ psy_desc->num_properties = ARRAY_SIZE(bq27425_battery_props);
} else if (di->chip == BQ27742) {
- di->bat.properties = bq27742_battery_props;
- di->bat.num_properties = ARRAY_SIZE(bq27742_battery_props);
+ psy_desc->properties = bq27742_battery_props;
+ psy_desc->num_properties = ARRAY_SIZE(bq27742_battery_props);
} else if (di->chip == BQ27510) {
- di->bat.properties = bq27510_battery_props;
- di->bat.num_properties = ARRAY_SIZE(bq27510_battery_props);
+ psy_desc->properties = bq27510_battery_props;
+ psy_desc->num_properties = ARRAY_SIZE(bq27510_battery_props);
} else {
- di->bat.properties = bq27x00_battery_props;
- di->bat.num_properties = ARRAY_SIZE(bq27x00_battery_props);
+ psy_desc->properties = bq27x00_battery_props;
+ psy_desc->num_properties = ARRAY_SIZE(bq27x00_battery_props);
}
- di->bat.get_property = bq27x00_battery_get_property;
- di->bat.external_power_changed = bq27x00_external_power_changed;
+ psy_desc->get_property = bq27x00_battery_get_property;
+ psy_desc->external_power_changed = bq27x00_external_power_changed;
INIT_DELAYED_WORK(&di->work, bq27x00_battery_poll);
mutex_init(&di->lock);
- ret = power_supply_register_no_ws(di->dev, &di->bat, NULL);
- if (ret) {
+ di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg);
+ if (IS_ERR(di->bat)) {
+ ret = PTR_ERR(di->bat);
dev_err(di->dev, "failed to register battery: %d\n", ret);
return ret;
}
@@ -816,7 +822,7 @@ static void bq27x00_powersupply_unregister(struct bq27x00_device_info *di)
cancel_delayed_work_sync(&di->work);
- power_supply_unregister(&di->bat);
+ power_supply_unregister(di->bat);
mutex_destroy(&di->lock);
}
@@ -880,37 +886,34 @@ static int bq27x00_battery_probe(struct i2c_client *client,
if (num < 0)
return num;
- name = kasprintf(GFP_KERNEL, "%s-%d", id->name, num);
+ name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d", id->name, num);
if (!name) {
dev_err(&client->dev, "failed to allocate device name\n");
retval = -ENOMEM;
- goto batt_failed_1;
+ goto batt_failed;
}
di = devm_kzalloc(&client->dev, sizeof(*di), GFP_KERNEL);
if (!di) {
dev_err(&client->dev, "failed to allocate device info data\n");
retval = -ENOMEM;
- goto batt_failed_2;
+ goto batt_failed;
}
di->id = num;
di->dev = &client->dev;
di->chip = id->driver_data;
- di->bat.name = name;
di->bus.read = &bq27x00_read_i2c;
- retval = bq27x00_powersupply_init(di);
+ retval = bq27x00_powersupply_init(di, name);
if (retval)
- goto batt_failed_2;
+ goto batt_failed;
i2c_set_clientdata(client, di);
return 0;
-batt_failed_2:
- kfree(name);
-batt_failed_1:
+batt_failed:
mutex_lock(&battery_mutex);
idr_remove(&battery_id, num);
mutex_unlock(&battery_mutex);
@@ -924,8 +927,6 @@ static int bq27x00_battery_remove(struct i2c_client *client)
bq27x00_powersupply_unregister(di);
- kfree(di->bat.name);
-
mutex_lock(&battery_mutex);
idr_remove(&battery_id, di->id);
mutex_unlock(&battery_mutex);
@@ -1014,6 +1015,7 @@ static int bq27000_battery_probe(struct platform_device *pdev)
{
struct bq27x00_device_info *di;
struct bq27000_platform_data *pdata = pdev->dev.platform_data;
+ const char *name;
if (!pdata) {
dev_err(&pdev->dev, "no platform_data supplied\n");
@@ -1036,10 +1038,10 @@ static int bq27000_battery_probe(struct platform_device *pdev)
di->dev = &pdev->dev;
di->chip = BQ27000;
- di->bat.name = pdata->name ?: dev_name(&pdev->dev);
+ name = pdata->name ?: dev_name(&pdev->dev);
di->bus.read = &bq27000_read_platform;
- return bq27x00_powersupply_init(di);
+ return bq27x00_powersupply_init(di, name);
}
static int bq27000_battery_remove(struct platform_device *pdev)
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 07:41:50 +0000