summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFabien Dessenne <fabien.dessenne@st.com>2019-04-24 14:51:26 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-04-27 14:09:28 +0100
commitd2fc0156963cae8f1eec8e2dd645fbbf1e1c1c8e (patch)
tree7333f718df99524d2f98653babb8a70379c1ce69
parent3e53ef91f826957dec013c47707ffc1bb42b42d7 (diff)
iio: adc: stm32-dfsdm: missing error case during probe
During probe, check the devm_ioremap_resource() error value. Also return the devm_clk_get() error value instead of -EINVAL. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/adc/stm32-dfsdm-core.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c
index 0a4d3746d21c..26e2011c5868 100644
--- a/drivers/iio/adc/stm32-dfsdm-core.c
+++ b/drivers/iio/adc/stm32-dfsdm-core.c
@@ -233,6 +233,8 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev,
}
priv->dfsdm.phys_base = res->start;
priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(priv->dfsdm.base))
+ return PTR_ERR(priv->dfsdm.base);
/*
* "dfsdm" clock is mandatory for DFSDM peripheral clocking.
@@ -242,8 +244,10 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev,
*/
priv->clk = devm_clk_get(&pdev->dev, "dfsdm");
if (IS_ERR(priv->clk)) {
- dev_err(&pdev->dev, "No stm32_dfsdm_clk clock found\n");
- return -EINVAL;
+ ret = PTR_ERR(priv->clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Failed to get clock (%d)\n", ret);
+ return ret;
}
priv->aclk = devm_clk_get(&pdev->dev, "audio");