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.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/max5522.c b/drivers/iio/dac/max5522.c
index 05034a3..9f72155 100644 (file)
--- a/drivers/iio/dac/max5522.c
+++ b/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))