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iio: adc: stm32-adc: don't print an error on probe deferral

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Do not print an error trace when deferring probe for some resource.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Etienne Carriere 2020-01-13 14:18:59 +01:00 committed by Jonathan Cameron
parent 49576627b3
commit 622b4339f9
1 changed files with 6 additions and 3 deletions
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9
drivers/iio/adc/stm32-adc-core.c
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@ -688,7 +688,8 @@ static int stm32_adc_probe(struct platform_device *pdev)
priv->vref = devm_regulator_get(&pdev->dev, "vref");
if (IS_ERR(priv->vref)) {
ret = PTR_ERR(priv->vref);
dev_err(&pdev->dev, "vref get failed, %d\n", ret);
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "vref get failed, %d\n", ret);
return ret;
}
@ -696,7 +697,8 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (IS_ERR(priv->aclk)) {
ret = PTR_ERR(priv->aclk);
if (ret != -ENOENT) {
dev_err(&pdev->dev, "Can't get 'adc' clock\n");
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Can't get 'adc' clock\n");
return ret;
}
priv->aclk = NULL;
@ -706,7 +708,8 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (IS_ERR(priv->bclk)) {
ret = PTR_ERR(priv->bclk);
if (ret != -ENOENT) {
dev_err(&pdev->dev, "Can't get 'bus' clock\n");
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "Can't get 'bus' clock\n");
return ret;
}
priv->bclk = NULL;