iio: frequency: admv4420: add dev variable

Introduce a local struct device variable in admv4420_probe() to
simplify subsequent conversions and improve code readability.

No functional change.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/frequency/admv4420.c b/drivers/iio/frequency/admv4420.c
index 8748d974763971380d6397acd2478aaf2ce7e307..6ebfe08fc211afaa141384c60f4575d58c2e5eea 100644 (file)
--- a/drivers/iio/frequency/admv4420.c
+++ b/drivers/iio/frequency/admv4420.c
@@ -344,18 +344,19 @@ static int admv4420_setup(struct iio_dev *indio_dev)
 
 static int admv4420_probe(struct spi_device *spi)
 {
+       struct device *dev = &spi->dev;
        struct iio_dev *indio_dev;
        struct admv4420_state *st;
        struct regmap *regmap;
        int ret;
 
-       indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
        if (!indio_dev)
                return -ENOMEM;
 
        regmap = devm_regmap_init_spi(spi, &admv4420_regmap_config);
        if (IS_ERR(regmap))
-               return dev_err_probe(&spi->dev, PTR_ERR(regmap),
+               return dev_err_probe(dev, PTR_ERR(regmap),
                                     "Failed to initializing spi regmap\n");
 
        st = iio_priv(indio_dev);
@@ -373,7 +374,7 @@ static int admv4420_probe(struct spi_device *spi)
                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 admv4420_of_match[] = {