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Subject[PATCH] iio: adc: stm32-adc: don't print an error on probe deferral
Date
From: Etienne Carriere <etienne.carriere@st.com>

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>
---
drivers/iio/adc/stm32-adc-core.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index 97655d7..2df88d2 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -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;
--
2.7.4
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