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iio: afe: iio-rescale: 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>
Acked-by: Peter Rosin <peda@axentia.se>
Link: https://lore.kernel.org/r/20200829064726.26268-9-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Krzysztof Kozlowski 2020-08-29 08:47:17 +02:00 committed by Jonathan Cameron
parent ce30eeb613
commit bfa96be8a4
1 changed files with 3 additions and 5 deletions
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8
drivers/iio/afe/iio-rescale.c
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@ -276,11 +276,9 @@ static int rescale_probe(struct platform_device *pdev)
int ret; int ret;
source = devm_iio_channel_get(dev, NULL); source = devm_iio_channel_get(dev, NULL);
if (IS_ERR(source)) { if (IS_ERR(source))
if (PTR_ERR(source) != -EPROBE_DEFER) return dev_err_probe(dev, PTR_ERR(source),
dev_err(dev, "failed to get source channel\n"); "failed to get source channel\n");
return PTR_ERR(source);
}
sizeof_ext_info = iio_get_channel_ext_info_count(source); sizeof_ext_info = iio_get_channel_ext_info_count(source);
if (sizeof_ext_info) { if (sizeof_ext_info) {