diff options
| -rw-r--r-- | drivers/iio/dac/max5821.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/drivers/iio/dac/max5821.c b/drivers/iio/dac/max5821.c index bd6e75699a63..bd0b7f361154 100644 --- a/drivers/iio/dac/max5821.c +++ b/drivers/iio/dac/max5821.c @@ -294,6 +294,11 @@ static const struct iio_info max5821_info = { .write_raw = max5821_write_raw, }; +static void max5821_regulator_disable(void *reg) +{ + regulator_disable(reg); +} + static int max5821_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -306,7 +311,6 @@ static int max5821_probe(struct i2c_client *client, if (!indio_dev) return -ENOMEM; data = iio_priv(indio_dev); - i2c_set_clientdata(client, indio_dev); data->client = client; mutex_init(&data->lock); @@ -321,21 +325,29 @@ static int max5821_probe(struct i2c_client *client, ret = PTR_ERR(data->vref_reg); dev_err(&client->dev, "Failed to get vref regulator: %d\n", ret); - goto error_free_reg; + return ret; } ret = regulator_enable(data->vref_reg); if (ret) { dev_err(&client->dev, "Failed to enable vref regulator: %d\n", ret); - goto error_free_reg; + return ret; + } + + ret = devm_add_action_or_reset(&client->dev, max5821_regulator_disable, + data->vref_reg); + if (ret) { + dev_err(&client->dev, + "Failed to add action to managed regulator: %d\n", ret); + return ret; } ret = regulator_get_voltage(data->vref_reg); if (ret < 0) { dev_err(&client->dev, "Failed to get voltage on regulator: %d\n", ret); - goto error_disable_reg; + return ret; } data->vref_mv = ret / 1000; @@ -346,25 +358,7 @@ static int max5821_probe(struct i2c_client *client, indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &max5821_info; - return iio_device_register(indio_dev); - -error_disable_reg: - regulator_disable(data->vref_reg); - -error_free_reg: - - return ret; -} - -static int max5821_remove(struct i2c_client *client) -{ - struct iio_dev *indio_dev = i2c_get_clientdata(client); - struct max5821_data *data = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - regulator_disable(data->vref_reg); - - return 0; + return devm_iio_device_register(&client->dev, indio_dev); } static const struct i2c_device_id max5821_id[] = { @@ -386,7 +380,6 @@ static struct i2c_driver max5821_driver = { .pm = &max5821_pm_ops, }, .probe = max5821_probe, - .remove = max5821_remove, .id_table = max5821_id, }; module_i2c_driver(max5821_driver); |