diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
index 479115ea50bf..5d7a61abcaea 100644
--- a/drivers/iio/adc/sun4i-gpadc-iio.c
+++ b/drivers/iio/adc/sun4i-gpadc-iio.c
@@ -508,7 +508,7 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev,
 					     &sun4i_gpadc_regmap_config);
 	if (IS_ERR(info->regmap)) {
 		ret = PTR_ERR(info->regmap);
-		dev_err(&pdev->dev, "failed to init regmap: %d\n", ret);
+		dev_err(&pdev->dev, "failed to init regmap: %pe\n", info->regmap);
 		return ret;
 	}
 
@@ -639,8 +639,8 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
 		 */
 		if (IS_ERR(info->tzd) && PTR_ERR(info->tzd) != -ENODEV) {
 			dev_err(&pdev->dev,
-				"could not register thermal sensor: %ld\n",
-				PTR_ERR(info->tzd));
+				"could not register thermal sensor: %pe\n",
+				info->tzd);
 			return PTR_ERR(info->tzd);
 		}
 	}