iio:chemical:vz89x: Introduce local struct device pointer.

Avoids lots of repetition of &client->dev and will make the next
patch tidier.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Link: https://lore.kernel.org/r/20200910173242.621168-29-jic23@kernel.org

diff --git a/drivers/iio/chemical/vz89x.c b/drivers/iio/chemical/vz89x.c
index 5586eb8e12cd1e14f9d1d5456251adf7f8132a90..3cd469578590039b2a215d3c0488bba406b77991 100644 (file)
--- a/drivers/iio/chemical/vz89x.c
+++ b/drivers/iio/chemical/vz89x.c
@@ -352,12 +352,13 @@ MODULE_DEVICE_TABLE(of, vz89x_dt_ids);
 static int vz89x_probe(struct i2c_client *client,
                       const struct i2c_device_id *id)
 {
+       struct device *dev = &client->dev;
        struct iio_dev *indio_dev;
        struct vz89x_data *data;
        const struct of_device_id *of_id;
        int chip_id;
 
-       indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
        if (!indio_dev)
                return -ENOMEM;
        data = iio_priv(indio_dev);
@@ -370,7 +371,7 @@ static int vz89x_probe(struct i2c_client *client,
        else
                return -EOPNOTSUPP;
 
-       of_id = of_match_device(vz89x_dt_ids, &client->dev);
+       of_id = of_match_device(vz89x_dt_ids, dev);
        if (!of_id)
                chip_id = id->driver_data;
        else
@@ -383,13 +384,13 @@ static int vz89x_probe(struct i2c_client *client,
        mutex_init(&data->lock);
 
        indio_dev->info = &vz89x_info;
-       indio_dev->name = dev_name(&client->dev);
+       indio_dev->name = dev_name(dev);
        indio_dev->modes = INDIO_DIRECT_MODE;
 
        indio_dev->channels = data->chip->channels;
        indio_dev->num_channels = data->chip->num_channels;
 
-       return devm_iio_device_register(&client->dev, indio_dev);
+       return devm_iio_device_register(dev, indio_dev);
 }
 
 static const struct i2c_device_id vz89x_id[] = {