diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index 8e252cde735b..0e5d3d2e9c98 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -174,8 +174,8 @@ static const struct iio_info ad7091r_info = {
 
 static irqreturn_t ad7091r_event_handler(int irq, void *private)
 {
-	struct ad7091r_state *st = (struct ad7091r_state *) private;
-	struct iio_dev *iio_dev = dev_get_drvdata(st->dev);
+	struct iio_dev *iio_dev = private;
+	struct ad7091r_state *st = iio_priv(iio_dev);
 	unsigned int i, read_val;
 	int ret;
 	s64 timestamp = iio_get_time_ns(iio_dev);
@@ -234,7 +234,7 @@ int ad7091r_probe(struct device *dev, const char *name,
 	if (irq) {
 		ret = devm_request_threaded_irq(dev, irq, NULL,
 				ad7091r_event_handler,
-				IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, st);
+				IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, iio_dev);
 		if (ret)
 			return ret;
 	}