static ssize_t
 name_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-       struct thermal_hwmon_device *hwmon = dev->driver_data;
+       struct thermal_hwmon_device *hwmon = dev_get_drvdata(dev);
        return sprintf(buf, "%s\n", hwmon->type);
 }
 static DEVICE_ATTR(name, 0444, name_show, NULL);
                result = PTR_ERR(hwmon->device);
                goto free_mem;
        }
-       hwmon->device->driver_data = hwmon;
+       dev_set_drvdata(hwmon->device, hwmon);
        result = device_create_file(hwmon->device, &dev_attr_name);
        if (result)
                goto unregister_hwmon_device;