This registers custom sysfs properties using the native functionality
of the power-supply framework, which cleans up the code a bit and
fixes a race-condition. Before this patch the sysfs attributes were
not properly registered to udev.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-static struct attribute *ds2781_attributes[] = {
+static struct attribute *ds2781_sysfs_attrs[] = {
&dev_attr_pmod_enabled.attr,
&dev_attr_sense_resistor_value.attr,
&dev_attr_rsgain_setting.attr,
&dev_attr_pmod_enabled.attr,
&dev_attr_sense_resistor_value.attr,
&dev_attr_rsgain_setting.attr,
-static const struct attribute_group ds2781_attr_group = {
- .attrs = ds2781_attributes,
-};
+ATTRIBUTE_GROUPS(ds2781_sysfs);
static int ds2781_battery_probe(struct platform_device *pdev)
{
static int ds2781_battery_probe(struct platform_device *pdev)
{
dev_info->bat_desc.get_property = ds2781_battery_get_property;
psy_cfg.drv_data = dev_info;
dev_info->bat_desc.get_property = ds2781_battery_get_property;
psy_cfg.drv_data = dev_info;
+ psy_cfg.attr_grp = ds2781_sysfs_groups;
dev_info->bat = power_supply_register(&pdev->dev, &dev_info->bat_desc,
&psy_cfg);
dev_info->bat = power_supply_register(&pdev->dev, &dev_info->bat_desc,
&psy_cfg);
- ret = sysfs_create_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
- if (ret) {
- dev_err(dev_info->dev, "failed to create sysfs group\n");
- goto fail_unregister;
- }
-
ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
&ds2781_param_eeprom_bin_attr);
if (ret) {
dev_err(dev_info->dev,
"failed to create param eeprom bin file");
ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
&ds2781_param_eeprom_bin_attr);
if (ret) {
dev_err(dev_info->dev,
"failed to create param eeprom bin file");
- goto fail_remove_group;
}
ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
}
ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
fail_remove_bin_file:
sysfs_remove_bin_file(&dev_info->bat->dev.kobj,
&ds2781_param_eeprom_bin_attr);
fail_remove_bin_file:
sysfs_remove_bin_file(&dev_info->bat->dev.kobj,
&ds2781_param_eeprom_bin_attr);
-fail_remove_group:
- sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
fail_unregister:
power_supply_unregister(dev_info->bat);
fail:
fail_unregister:
power_supply_unregister(dev_info->bat);
fail:
{
struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);
{
struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);
- /*
- * Remove attributes before unregistering power supply
- * because 'bat' will be freed on power_supply_unregister() call.
- */
- sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
-
power_supply_unregister(dev_info->bat);
return 0;
power_supply_unregister(dev_info->bat);
return 0;