hwmon: (pmbus) Use dev variable to represent client->dev
authorGuenter Roeck <linux@roeck-us.net>
Sun, 20 Jan 2013 16:23:16 +0000 (08:23 -0800)
committerGuenter Roeck <linux@roeck-us.net>
Wed, 6 Feb 2013 17:58:00 +0000 (09:58 -0800)
This simplifies the code and makes it a bit smaller.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/pmbus/pmbus_core.c

index b9ba8ce1f3f17c5a07c0ea39ac103b8064598626..97eca0340dc0bb7d2a360d9cb520dab65c94b928 100644 (file)
@@ -1691,7 +1691,8 @@ static int pmbus_identify_common(struct i2c_client *client,
 int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
                   struct pmbus_driver_info *info)
 {
-       const struct pmbus_platform_data *pdata = client->dev.platform_data;
+       struct device *dev = &client->dev;
+       const struct pmbus_platform_data *pdata = dev->platform_data;
        struct pmbus_data *data;
        int ret;
 
@@ -1703,7 +1704,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
                                     | I2C_FUNC_SMBUS_WORD_DATA))
                return -ENODEV;
 
-       data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+       data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -1712,7 +1713,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 
        /* Bail out if PMBus status register does not exist. */
        if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) {
-               dev_err(&client->dev, "PMBus status register not found\n");
+               dev_err(dev, "PMBus status register not found\n");
                return -ENODEV;
        }
 
@@ -1725,40 +1726,38 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
        if (info->identify) {
                ret = (*info->identify)(client, info);
                if (ret < 0) {
-                       dev_err(&client->dev, "Chip identification failed\n");
+                       dev_err(dev, "Chip identification failed\n");
                        return ret;
                }
        }
 
        if (info->pages <= 0 || info->pages > PMBUS_PAGES) {
-               dev_err(&client->dev, "Bad number of PMBus pages: %d\n",
-                       info->pages);
+               dev_err(dev, "Bad number of PMBus pages: %d\n", info->pages);
                return -ENODEV;
        }
 
        ret = pmbus_identify_common(client, data);
        if (ret < 0) {
-               dev_err(&client->dev, "Failed to identify chip capabilities\n");
+               dev_err(dev, "Failed to identify chip capabilities\n");
                return ret;
        }
 
-       ret = -ENOMEM;
-       data->sensors = devm_kzalloc(&client->dev, sizeof(struct pmbus_sensor)
+       data->sensors = devm_kzalloc(dev, sizeof(struct pmbus_sensor)
                                     * data->max_sensors, GFP_KERNEL);
        if (!data->sensors)
                return -ENOMEM;
 
-       data->booleans = devm_kzalloc(&client->dev, sizeof(struct pmbus_boolean)
-                                * data->max_booleans, GFP_KERNEL);
+       data->booleans = devm_kzalloc(dev, sizeof(struct pmbus_boolean)
+                                     * data->max_booleans, GFP_KERNEL);
        if (!data->booleans)
                return -ENOMEM;
 
-       data->labels = devm_kzalloc(&client->dev, sizeof(struct pmbus_label)
+       data->labels = devm_kzalloc(dev, sizeof(struct pmbus_label)
                                    * data->max_labels, GFP_KERNEL);
        if (!data->labels)
                return -ENOMEM;
 
-       data->attributes = devm_kzalloc(&client->dev, sizeof(struct attribute *)
+       data->attributes = devm_kzalloc(dev, sizeof(struct attribute *)
                                        * data->max_attributes, GFP_KERNEL);
        if (!data->attributes)
                return -ENOMEM;
@@ -1770,27 +1769,27 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
         * Bail out instead of trying to register nothing.
         */
        if (!data->num_attributes) {
-               dev_err(&client->dev, "No attributes found\n");
+               dev_err(dev, "No attributes found\n");
                return -ENODEV;
        }
 
        /* Register sysfs hooks */
        data->group.attrs = data->attributes;
-       ret = sysfs_create_group(&client->dev.kobj, &data->group);
+       ret = sysfs_create_group(&dev->kobj, &data->group);
        if (ret) {
-               dev_err(&client->dev, "Failed to create sysfs entries\n");
+               dev_err(dev, "Failed to create sysfs entries\n");
                return ret;
        }
-       data->hwmon_dev = hwmon_device_register(&client->dev);
+       data->hwmon_dev = hwmon_device_register(dev);
        if (IS_ERR(data->hwmon_dev)) {
                ret = PTR_ERR(data->hwmon_dev);
-               dev_err(&client->dev, "Failed to register hwmon device\n");
+               dev_err(dev, "Failed to register hwmon device\n");
                goto out_hwmon_device_register;
        }
        return 0;
 
 out_hwmon_device_register:
-       sysfs_remove_group(&client->dev.kobj, &data->group);
+       sysfs_remove_group(&dev->kobj, &data->group);
        return ret;
 }
 EXPORT_SYMBOL_GPL(pmbus_do_probe);