diff --git a/drivers/iio/accel/adxl380.c b/drivers/iio/accel/adxl380.c
index a77c2323d1aa..8870d22e8cdd 100644
--- a/drivers/iio/accel/adxl380.c
+++ b/drivers/iio/accel/adxl380.c
@@ -967,14 +967,12 @@ static irqreturn_t adxl380_irq_handler(int irq, void  *p)
 		return IRQ_HANDLED;
 
 	fifo_entries = rounddown(fifo_entries, st->fifo_set_size);
-	for (i = 0; i < fifo_entries; i += st->fifo_set_size) {
-		ret = regmap_noinc_read(st->regmap, ADXL380_FIFO_DATA,
-					&st->fifo_buf[i],
-					2 * st->fifo_set_size);
-		if (ret)
-			return IRQ_HANDLED;
+	ret = regmap_noinc_read(st->regmap, ADXL380_FIFO_DATA, &st->fifo_buf,
+				sizeof(*st->fifo_buf) * fifo_entries);
+	if (ret)
+		return IRQ_HANDLED;
+	for (i = 0; i < fifo_entries; i += st->fifo_set_size)
 		iio_push_to_buffers(indio_dev, &st->fifo_buf[i]);
-	}
 
 	return IRQ_HANDLED;
 }