2 files changed, 4 insertions, 20 deletions

diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index e628d04d5c77..daa026d6a94f 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1087,29 +1087,18 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
 	struct device_node *np = dev->of_node;
 	const struct stm32_dfsdm_dev_data *dev_data;
 	struct iio_dev *iio;
-	const struct of_device_id *of_id;
 	char *name;
 	int ret, irq, val;
 
-	of_id = of_match_node(stm32_dfsdm_adc_match, np);
-	if (!of_id->data) {
-		dev_err(&pdev->dev, "Data associated to device is missing\n");
-		return -EINVAL;
-	}
-
-	dev_data = (const struct stm32_dfsdm_dev_data *)of_id->data;
 
+	dev_data = of_device_get_match_data(dev);
 	iio = devm_iio_device_alloc(dev, sizeof(*adc));
-	if (IS_ERR(iio)) {
+	if (!iio) {
 		dev_err(dev, "%s: Failed to allocate IIO\n", __func__);
-		return PTR_ERR(iio);
+		return -ENOMEM;
 	}
 
 	adc = iio_priv(iio);
-	if (IS_ERR(adc)) {
-		dev_err(dev, "%s: Failed to allocate ADC\n", __func__);
-		return PTR_ERR(adc);
-	}
 	adc->dfsdm = dev_get_drvdata(dev->parent);
 
 	iio->dev.parent = dev;
diff --git a/drivers/iio/adc/stm32-dfsdm-core.c b/drivers/iio/adc/stm32-dfsdm-core.c
index 6cd655f8239b..84277bcc465f 100644
--- a/drivers/iio/adc/stm32-dfsdm-core.c
+++ b/drivers/iio/adc/stm32-dfsdm-core.c
@@ -253,13 +253,8 @@ static int stm32_dfsdm_probe(struct platform_device *pdev)
 
 	priv->pdev = pdev;
 
-	of_id = of_match_node(stm32_dfsdm_of_match, pdev->dev.of_node);
-	if (!of_id->data) {
-		dev_err(&pdev->dev, "Data associated to device is missing\n");
-		return -EINVAL;
-	}
+	dev_data = of_device_get_match_data(&pdev->dev);
 
-	dev_data = (const struct stm32_dfsdm_dev_data *)of_id->data;
 	dfsdm = &priv->dfsdm;
 	dfsdm->fl_list = devm_kcalloc(&pdev->dev, dev_data->num_filters,
 				      sizeof(*dfsdm->fl_list), GFP_KERNEL);