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Code Issues Releases Wiki Activity

power: supply: olpc_battery: Have the framework register sysfs files for us

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The power framework gained ability to register groups of sysfs
attributes in commit cef8fe6a38 ("power: supply: core: add support for
custom sysfs attributes").

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Suggested-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Lubomir Rintel 2019-04-18 16:46:55 +02:00 committed by Sebastian Reichel
parent 76311b9a32
commit 31e2208779
1 changed files with 35 additions and 29 deletions
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64
drivers/power/supply/olpc_battery.c
View file

@ -551,7 +551,7 @@ static ssize_t olpc_bat_eeprom_read(struct file *filp, struct kobject *kobj,
return count;
}
static const struct bin_attribute olpc_bat_eeprom = {
static struct bin_attribute olpc_bat_eeprom = {
.attr = {
.name = "eeprom",
.mode = S_IRUGO,
@ -575,7 +575,7 @@ static ssize_t olpc_bat_error_read(struct device *dev,
return sprintf(buf, "%d\n", ec_byte);
}
static const struct device_attribute olpc_bat_error = {
static struct device_attribute olpc_bat_error = {
.attr = {
.name = "error",
.mode = S_IRUGO,
@ -583,6 +583,27 @@ static const struct device_attribute olpc_bat_error = {
.show = olpc_bat_error_read,
};
static struct attribute *olpc_bat_sysfs_attrs[] = {
&olpc_bat_error.attr,
NULL
};
static struct bin_attribute *olpc_bat_sysfs_bin_attrs[] = {
&olpc_bat_eeprom,
NULL
};
static const struct attribute_group olpc_bat_sysfs_group = {
.attrs = olpc_bat_sysfs_attrs,
.bin_attrs = olpc_bat_sysfs_bin_attrs,
};
static const struct attribute_group *olpc_bat_sysfs_groups[] = {
&olpc_bat_sysfs_group,
NULL
};
/*********************************************************************
* Initialisation
*********************************************************************/
@ -615,7 +636,8 @@ static int olpc_battery_suspend(struct platform_device *pdev,
static int olpc_battery_probe(struct platform_device *pdev)
{
struct power_supply_config psy_cfg = {};
struct power_supply_config bat_psy_cfg = {};
struct power_supply_config ac_psy_cfg = {};
struct olpc_battery_data *data;
uint8_t status;
uint8_t ecver;
@ -654,10 +676,11 @@ static int olpc_battery_probe(struct platform_device *pdev)
/* Ignore the status. It doesn't actually matter */
psy_cfg.of_node = pdev->dev.of_node;
psy_cfg.drv_data = data;
ac_psy_cfg.of_node = pdev->dev.of_node;
ac_psy_cfg.drv_data = data;
data->olpc_ac = devm_power_supply_register(&pdev->dev, &olpc_ac_desc, &psy_cfg);
data->olpc_ac = devm_power_supply_register(&pdev->dev, &olpc_ac_desc,
&ac_psy_cfg);
if (IS_ERR(data->olpc_ac))
return PTR_ERR(data->olpc_ac);
@ -671,37 +694,21 @@ static int olpc_battery_probe(struct platform_device *pdev)
olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo1_bat_props);
}
data->olpc_bat = devm_power_supply_register(&pdev->dev, &olpc_bat_desc, &psy_cfg);
bat_psy_cfg.of_node = pdev->dev.of_node;
bat_psy_cfg.drv_data = data;
bat_psy_cfg.attr_grp = olpc_bat_sysfs_groups;
data->olpc_bat = devm_power_supply_register(&pdev->dev, &olpc_bat_desc,
&bat_psy_cfg);
if (IS_ERR(data->olpc_bat))
return PTR_ERR(data->olpc_bat);
ret = device_create_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom);
if (ret)
return ret;
ret = device_create_file(&data->olpc_bat->dev, &olpc_bat_error);
if (ret)
goto error_failed;
if (olpc_ec_wakeup_available()) {
device_set_wakeup_capable(&data->olpc_ac->dev, true);
device_set_wakeup_capable(&data->olpc_bat->dev, true);
}
return 0;
error_failed:
device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom);
return ret;
}
static int olpc_battery_remove(struct platform_device *pdev)
{
struct olpc_battery_data *data = platform_get_drvdata(pdev);
device_remove_file(&data->olpc_bat->dev, &olpc_bat_error);
device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom);
return 0;
}
static const struct of_device_id olpc_battery_ids[] = {
@ -717,7 +724,6 @@ static struct platform_driver olpc_battery_driver = {
.of_match_table = olpc_battery_ids,
},
.probe = olpc_battery_probe,
.remove = olpc_battery_remove,
.suspend = olpc_battery_suspend,
};