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iio: dac: max5821: Make use of the helper function dev_err_probe()

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When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210928013902.1341-5-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Cai Huoqing 2021-09-28 09:38:58 +08:00 committed by Jonathan Cameron
parent 2b87c267d8
commit d5c1118f6f
1 changed files with 3 additions and 6 deletions
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9
drivers/iio/dac/max5821.c
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@ -321,12 +321,9 @@ static int max5821_probe(struct i2c_client *client,
}
data->vref_reg = devm_regulator_get(&client->dev, "vref");
if (IS_ERR(data->vref_reg)) {
ret = PTR_ERR(data->vref_reg);
dev_err(&client->dev,
"Failed to get vref regulator: %d\n", ret);
return ret;
}
if (IS_ERR(data->vref_reg))
return dev_err_probe(&client->dev, PTR_ERR(data->vref_reg),
"Failed to get vref regulator\n");
ret = regulator_enable(data->vref_reg);
if (ret) {