diff options
| author | Andrew Davis <afd@ti.com> | 2024-01-23 10:36:52 -0600 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2024-01-27 01:25:05 +0100 |
| commit | 8ac675344280a406835f03746594345209f2c1ae (patch) | |
| tree | 1e3f7f2656cd4a288e1424669c9f6cefe69c6d27 /drivers | |
| parent | 4cb372a0ca220fff4a3878c4d1239af3e057e7cc (diff) | |
| download | linux-stable-8ac675344280a406835f03746594345209f2c1ae.tar.gz linux-stable-8ac675344280a406835f03746594345209f2c1ae.tar.bz2 linux-stable-8ac675344280a406835f03746594345209f2c1ae.zip | |
power: supply: twl4030_madc: Use devm_iio_channel_get() helper
Use the device lifecycle managed get function. This helps prevent
mistakes like releasing out of order in cleanup functions and
forgetting to release on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123163653.384385-21-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/supply/twl4030_madc_battery.c | 44 |
1 files changed, 11 insertions, 33 deletions
diff --git a/drivers/power/supply/twl4030_madc_battery.c b/drivers/power/supply/twl4030_madc_battery.c index 33106476bea2..cd9e94134ab2 100644 --- a/drivers/power/supply/twl4030_madc_battery.c +++ b/drivers/power/supply/twl4030_madc_battery.c @@ -188,30 +188,23 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev) struct twl4030_madc_battery *twl4030_madc_bat; struct twl4030_madc_bat_platform_data *pdata = pdev->dev.platform_data; struct power_supply_config psy_cfg = {}; - int ret = 0; twl4030_madc_bat = devm_kzalloc(&pdev->dev, sizeof(*twl4030_madc_bat), GFP_KERNEL); if (!twl4030_madc_bat) return -ENOMEM; - twl4030_madc_bat->channel_temp = iio_channel_get(&pdev->dev, "temp"); - if (IS_ERR(twl4030_madc_bat->channel_temp)) { - ret = PTR_ERR(twl4030_madc_bat->channel_temp); - goto err; - } + twl4030_madc_bat->channel_temp = devm_iio_channel_get(&pdev->dev, "temp"); + if (IS_ERR(twl4030_madc_bat->channel_temp)) + return PTR_ERR(twl4030_madc_bat->channel_temp); - twl4030_madc_bat->channel_ichg = iio_channel_get(&pdev->dev, "ichg"); - if (IS_ERR(twl4030_madc_bat->channel_ichg)) { - ret = PTR_ERR(twl4030_madc_bat->channel_ichg); - goto err_temp; - } + twl4030_madc_bat->channel_ichg = devm_iio_channel_get(&pdev->dev, "ichg"); + if (IS_ERR(twl4030_madc_bat->channel_ichg)) + return PTR_ERR(twl4030_madc_bat->channel_ichg); - twl4030_madc_bat->channel_vbat = iio_channel_get(&pdev->dev, "vbat"); - if (IS_ERR(twl4030_madc_bat->channel_vbat)) { - ret = PTR_ERR(twl4030_madc_bat->channel_vbat); - goto err_ichg; - } + twl4030_madc_bat->channel_vbat = devm_iio_channel_get(&pdev->dev, "vbat"); + if (IS_ERR(twl4030_madc_bat->channel_vbat)) + return PTR_ERR(twl4030_madc_bat->channel_vbat); /* sort charging and discharging calibration data */ sort(pdata->charging, pdata->charging_size, @@ -227,21 +220,10 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev) twl4030_madc_bat->psy = power_supply_register(&pdev->dev, &twl4030_madc_bat_desc, &psy_cfg); - if (IS_ERR(twl4030_madc_bat->psy)) { - ret = PTR_ERR(twl4030_madc_bat->psy); - goto err_vbat; - } + if (IS_ERR(twl4030_madc_bat->psy)) + return PTR_ERR(twl4030_madc_bat->psy); return 0; - -err_vbat: - iio_channel_release(twl4030_madc_bat->channel_vbat); -err_ichg: - iio_channel_release(twl4030_madc_bat->channel_ichg); -err_temp: - iio_channel_release(twl4030_madc_bat->channel_temp); -err: - return ret; } static void twl4030_madc_battery_remove(struct platform_device *pdev) @@ -249,10 +231,6 @@ static void twl4030_madc_battery_remove(struct platform_device *pdev) struct twl4030_madc_battery *bat = platform_get_drvdata(pdev); power_supply_unregister(bat->psy); - - iio_channel_release(bat->channel_vbat); - iio_channel_release(bat->channel_ichg); - iio_channel_release(bat->channel_temp); } static struct platform_driver twl4030_madc_battery_driver = { |