iio: dac: max5522: simplify with spi_get_device_match_data()

Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-7-320b291ee1fe@linaro.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/dac/max5522.c

@@ -132,7 +132,6 @@ static const struct regmap_config max5522_regmap_config = {
 
 static int max5522_spi_probe(struct spi_device *spi)
 {
-	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct iio_dev *indio_dev;
 	struct max5522_state *state;
 	int ret;
@@ -144,13 +143,9 @@ static int max5522_spi_probe(struct spi_device *spi)
 	}
 
 	state = iio_priv(indio_dev);
-	state->chip_info = device_get_match_data(&spi->dev);
-	if (!state->chip_info) {
-		state->chip_info =
-			(struct max5522_chip_info *)(id->driver_data);
-		if (!state->chip_info)
-			return -EINVAL;
-	}
+	state->chip_info = spi_get_device_match_data(spi);
+	if (!state->chip_info)
+		return -EINVAL;
 
 	state->vrefin_reg = devm_regulator_get(&spi->dev, "vrefin");
 	if (IS_ERR(state->vrefin_reg))