iio: accel: bma180: Add dev helper variable

Having a shorthand "dev" instead of &client->dev everywhere
makes the code easier to read (more compact).

Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 1574e46..518efbe 100644 (file)
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -712,12 +712,13 @@ static const struct iio_trigger_ops bma180_trigger_ops = {
 static int bma180_probe(struct i2c_client *client,
                const struct i2c_device_id *id)
 {
+       struct device *dev = &client->dev;
        struct bma180_data *data;
        struct iio_dev *indio_dev;
        enum chip_ids chip;
        int ret;
 
-       indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
        if (!indio_dev)
                return -ENOMEM;
 
@@ -725,12 +726,12 @@ static int bma180_probe(struct i2c_client *client,
        i2c_set_clientdata(client, indio_dev);
        data->client = client;
        if (client->dev.of_node)
-               chip = (enum chip_ids)of_device_get_match_data(&client->dev);
+               chip = (enum chip_ids)of_device_get_match_data(dev);
        else
                chip = id->driver_data;
        data->part_info = &bma180_part_info[chip];
 
-       ret = iio_read_mount_matrix(&client->dev, "mount-matrix",
+       ret = iio_read_mount_matrix(dev, "mount-matrix",
                                &data->orientation);
        if (ret)
                return ret;
@@ -740,7 +741,7 @@ static int bma180_probe(struct i2c_client *client,
                goto err_chip_disable;
 
        mutex_init(&data->mutex);
-       indio_dev->dev.parent = &client->dev;
+       indio_dev->dev.parent = dev;
        indio_dev->channels = data->part_info->channels;
        indio_dev->num_channels = data->part_info->num_channels;
        indio_dev->name = id->name;
@@ -755,15 +756,15 @@ static int bma180_probe(struct i2c_client *client,
                        goto err_chip_disable;
                }
 
-               ret = devm_request_irq(&client->dev, client->irq,
+               ret = devm_request_irq(dev, client->irq,
                        iio_trigger_generic_data_rdy_poll, IRQF_TRIGGER_RISING,
                        "bma180_event", data->trig);
                if (ret) {
-                       dev_err(&client->dev, "unable to request IRQ\n");
+                       dev_err(dev, "unable to request IRQ\n");
                        goto err_trigger_free;
                }
 
-               data->trig->dev.parent = &client->dev;
+               data->trig->dev.parent = dev;
                data->trig->ops = &bma180_trigger_ops;
                iio_trigger_set_drvdata(data->trig, indio_dev);
                indio_dev->trig = iio_trigger_get(data->trig);
@@ -776,13 +777,13 @@ static int bma180_probe(struct i2c_client *client,
        ret = iio_triggered_buffer_setup(indio_dev, NULL,
                        bma180_trigger_handler, NULL);
        if (ret < 0) {
-               dev_err(&client->dev, "unable to setup iio triggered buffer\n");
+               dev_err(dev, "unable to setup iio triggered buffer\n");
                goto err_trigger_unregister;
        }
 
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
-               dev_err(&client->dev, "unable to register iio device\n");
+               dev_err(dev, "unable to register iio device\n");
                goto err_buffer_cleanup;
        }