On Sun, 2018-11-04 at 15:37 +0100, Pavel Machek wrote: > Hi! > > > The global variables for private data are not too nice. I'd like some > > more, and that would clutter the global name space even further. > > > > Signed-off-by: Lubomir Rintel <lkundrak@xxxxx> > > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > > Ok... > > > - olpc_bat = power_supply_register(&pdev->dev, &olpc_bat_desc, NULL); > > - if (IS_ERR(olpc_bat)) { > > - ret = PTR_ERR(olpc_bat); > > - goto battery_failed; > > - } > > + data->olpc_bat = devm_power_supply_register(&pdev->dev, &olpc_bat_desc, &psy_cfg); > > + if (IS_ERR(data->olpc_bat)) > > + return PTR_ERR(data->olpc_bat); > > > > - ret = device_create_bin_file(&olpc_bat->dev, &olpc_bat_eeprom); > > + ret = device_create_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom); > > if (ret) > > - goto eeprom_failed; > > + return ret; > > > > - ret = device_create_file(&olpc_bat->dev, &olpc_bat_error); > > + 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(&olpc_ac->dev, true); > > - device_set_wakeup_capable(&olpc_bat->dev, true); > > + 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(&olpc_bat->dev, &olpc_bat_eeprom); > > -eeprom_failed: > > - power_supply_unregister(olpc_bat); > > -battery_failed: > > - power_supply_unregister(olpc_ac); > > + device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom); > > return ret; > > } > > ...but you are changing error handling here, which is not mentioned in > the changelog, and I'm nut sure you got it right. > > Are you sure? I can't see what's wrong. I'll split the priv structure and devm/error handling changes into two separate patches as you're right they indeed are somewhat unrelated. If v2 (tomorrow or so) will still seem wrong to you I'd be thankful if you could elaborate a bit more. > > > static int olpc_battery_remove(struct platform_device *pdev) > > { > > - device_remove_file(&olpc_bat->dev, &olpc_bat_error); > > - device_remove_bin_file(&olpc_bat->dev, &olpc_bat_eeprom); > > - power_supply_unregister(olpc_bat); > > - power_supply_unregister(olpc_ac); > > + 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; > > } > > Here too. > Pavel Cheers Lubo