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iio: adc: ltc2497: Simplify with dev_err_probe() 

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200829064726.26268-5-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Krzysztof Kozlowski 2020-08-29 08:47:13 +02:00 committed by Jonathan Cameron
parent 1030b5bc68
commit 291cb0b37a
1 changed files with 3 additions and 7 deletions
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10
drivers/iio/adc/ltc2497-core.c
View File

@ -180,13 +180,9 @@ int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev)
return ret;
ddata->ref = devm_regulator_get(dev, "vref");
if (IS_ERR(ddata->ref)) {
if (PTR_ERR(ddata->ref) != -EPROBE_DEFER)
dev_err(dev, "Failed to get vref regulator: %pe\n",
ddata->ref);
return PTR_ERR(ddata->ref);
}
if (IS_ERR(ddata->ref))
return dev_err_probe(dev, PTR_ERR(ddata->ref),
"Failed to get vref regulator\n");
ret = regulator_enable(ddata->ref);
if (ret < 0) {