iio: adc: ad7380: use local dev variable to shorten long lines

Use local dev variable in the probe function to shorten long lines.

Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241030-ad7380-add-adaq4380-4-support-v4-3-864ff02babae@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c
index e5eecec..206c894 100644 (file)
--- a/drivers/iio/adc/ad7380.c
+++ b/drivers/iio/adc/ad7380.c
@@ -1035,12 +1035,13 @@ static int ad7380_init(struct ad7380_state *st, bool external_ref_en)
 
 static int ad7380_probe(struct spi_device *spi)
 {
+       struct device *dev = &spi->dev;
        struct iio_dev *indio_dev;
        struct ad7380_state *st;
        bool external_ref_en;
        int ret, i;
 
-       indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
        if (!indio_dev)
                return -ENOMEM;
 
@@ -1048,21 +1049,20 @@ static int ad7380_probe(struct spi_device *spi)
        st->spi = spi;
        st->chip_info = spi_get_device_match_data(spi);
        if (!st->chip_info)
-               return dev_err_probe(&spi->dev, -EINVAL, "missing match data\n");
+               return dev_err_probe(dev, -EINVAL, "missing match data\n");
 
-       ret = devm_regulator_bulk_get_enable(&spi->dev, st->chip_info->num_supplies,
+       ret = devm_regulator_bulk_get_enable(dev, st->chip_info->num_supplies,
                                             st->chip_info->supplies);
 
        if (ret)
-               return dev_err_probe(&spi->dev, ret,
+               return dev_err_probe(dev, ret,
                                     "Failed to enable power supplies\n");
        fsleep(T_POWERUP_US);
 
        if (st->chip_info->external_ref_only) {
-               ret = devm_regulator_get_enable_read_voltage(&spi->dev,
-                                                            "refin");
+               ret = devm_regulator_get_enable_read_voltage(dev, "refin");
                if (ret < 0)
-                       return dev_err_probe(&spi->dev, ret,
+                       return dev_err_probe(dev, ret,
                                             "Failed to get refin regulator\n");
 
                st->vref_mv = ret / 1000;
@@ -1074,10 +1074,9 @@ static int ad7380_probe(struct spi_device *spi)
                 * If there is no REFIO supply, then it means that we are using
                 * the internal reference, otherwise REFIO is reference voltage.
                 */
-               ret = devm_regulator_get_enable_read_voltage(&spi->dev,
-                                                            "refio");
+               ret = devm_regulator_get_enable_read_voltage(dev, "refio");
                if (ret < 0 && ret != -ENODEV)
-                       return dev_err_probe(&spi->dev, ret,
+                       return dev_err_probe(dev, ret,
                                             "Failed to get refio regulator\n");
 
                external_ref_en = ret != -ENODEV;
@@ -1085,7 +1084,7 @@ static int ad7380_probe(struct spi_device *spi)
        }
 
        if (st->chip_info->num_vcm_supplies > ARRAY_SIZE(st->vcm_mv))
-               return dev_err_probe(&spi->dev, -EINVAL,
+               return dev_err_probe(dev, -EINVAL,
                                     "invalid number of VCM supplies\n");
 
        /*
@@ -1095,18 +1094,18 @@ static int ad7380_probe(struct spi_device *spi)
        for (i = 0; i < st->chip_info->num_vcm_supplies; i++) {
                const char *vcm = st->chip_info->vcm_supplies[i];
 
-               ret = devm_regulator_get_enable_read_voltage(&spi->dev, vcm);
+               ret = devm_regulator_get_enable_read_voltage(dev, vcm);
                if (ret < 0)
-                       return dev_err_probe(&spi->dev, ret,
+                       return dev_err_probe(dev, ret,
                                             "Failed to get %s regulator\n",
                                             vcm);
 
                st->vcm_mv[i] = ret / 1000;
        }
 
-       st->regmap = devm_regmap_init(&spi->dev, NULL, st, &ad7380_regmap_config);
+       st->regmap = devm_regmap_init(dev, NULL, st, &ad7380_regmap_config);
        if (IS_ERR(st->regmap))
-               return dev_err_probe(&spi->dev, PTR_ERR(st->regmap),
+               return dev_err_probe(dev, PTR_ERR(st->regmap),
                                     "failed to allocate register map\n");
 
        /*
@@ -1157,7 +1156,7 @@ static int ad7380_probe(struct spi_device *spi)
        indio_dev->modes = INDIO_DIRECT_MODE;
        indio_dev->available_scan_masks = st->chip_info->available_scan_masks;
 
-       ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev,
+       ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
                                              iio_pollfunc_store_time,
                                              ad7380_trigger_handler,
                                              &ad7380_buffer_setup_ops);
@@ -1168,7 +1167,7 @@ static int ad7380_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       return devm_iio_device_register(&spi->dev, indio_dev);
+       return devm_iio_device_register(dev, indio_dev);
 }
 
 static const struct of_device_id ad7380_of_match_table[] = {