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iio: amplifiers: hmc425a: Simplify with dev_err_probe()

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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/20200829064726.26268-10-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Krzysztof Kozlowski 2020-08-29 08:47:18 +02:00 committed by Jonathan Cameron
parent bfa96be8a4
commit 8facae29c4
1 changed files with 3 additions and 6 deletions
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9
drivers/iio/amplifiers/hmc425a.c
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@ -201,12 +201,9 @@ static int hmc425a_probe(struct platform_device *pdev)
st->gain = st->chip_info->default_gain;
st->gpios = devm_gpiod_get_array(&pdev->dev, "ctrl", GPIOD_OUT_LOW);
if (IS_ERR(st->gpios)) {
ret = PTR_ERR(st->gpios);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "failed to get gpios\n");
return ret;
}
if (IS_ERR(st->gpios))
return dev_err_probe(&pdev->dev, PTR_ERR(st->gpios),
"failed to get gpios\n");
if (st->gpios->ndescs != st->chip_info->num_gpios) {
dev_err(&pdev->dev, "%d GPIOs needed to operate\n",