Re: [PATCH v2 15/17] power: supply: olpc_battery: Use devm_power_supply_register()
From: Sebastian Reichel
Date: Wed Dec 05 2018 - 15:58:07 EST
Hi,
On Fri, Nov 16, 2018 at 05:24:01PM +0100, Lubomir Rintel wrote:
> This simplifies the error handling.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
-- Sebastian
> Changes since v1:
> - This was split off the "power: supply: olpc_battery: Move priv data to
> a struct" patch.
>
> drivers/power/supply/olpc_battery.c | 19 +++++--------------
> 1 file changed, 5 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/power/supply/olpc_battery.c b/drivers/power/supply/olpc_battery.c
> index b091f897c1d4..4433eb10a23d 100644
> --- a/drivers/power/supply/olpc_battery.c
> +++ b/drivers/power/supply/olpc_battery.c
> @@ -628,7 +628,7 @@ static int olpc_battery_probe(struct platform_device *pdev)
> psy_cfg.of_node = pdev->dev.of_node;
> psy_cfg.drv_data = data;
>
> - data->olpc_ac = power_supply_register(&pdev->dev, &olpc_ac_desc, &psy_cfg);
> + data->olpc_ac = devm_power_supply_register(&pdev->dev, &olpc_ac_desc, &psy_cfg);
> if (IS_ERR(data->olpc_ac))
> return PTR_ERR(data->olpc_ac);
>
> @@ -643,15 +643,13 @@ static int olpc_battery_probe(struct platform_device *pdev)
> olpc_bat_desc.num_properties = ARRAY_SIZE(olpc_xo1_bat_props);
> }
>
> - data->olpc_bat = power_supply_register(&pdev->dev, &olpc_bat_desc, &psy_cfg);
> - 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(&data->olpc_bat->dev, &olpc_bat_eeprom);
> if (ret)
> - goto eeprom_failed;
> + return ret;
>
> ret = device_create_file(&data->olpc_bat->dev, &olpc_bat_error);
> if (ret)
> @@ -666,10 +664,6 @@ static int olpc_battery_probe(struct platform_device *pdev)
>
> error_failed:
> device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom);
> -eeprom_failed:
> - power_supply_unregister(data->olpc_bat);
> -battery_failed:
> - power_supply_unregister(data->olpc_ac);
> return ret;
> }
>
> @@ -679,9 +673,6 @@ static int olpc_battery_remove(struct platform_device *pdev)
>
> device_remove_file(&data->olpc_bat->dev, &olpc_bat_error);
> device_remove_bin_file(&data->olpc_bat->dev, &olpc_bat_eeprom);
> - power_supply_unregister(data->olpc_bat);
> - power_supply_unregister(data->olpc_ac);
> -
> return 0;
> }
>
> --
> 2.19.1
>
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