linux-imx

    dev = kzalloc(sizeof(*dev), GFP_KERNEL);

    if (!dev) {

        retval = -ENOMEM;

        goto error;

    }

​

    device_initialize(dev);

    dev->parent = parent;

    dev->groups = groups;

    dev->release = device_create_release;

    dev_set_drvdata(dev, drvdata);

​

    retval = kobject_set_name_vargs(&dev->kobj, fmt, args);

    if (retval)

        goto error;

​

    retval = device_add(dev);

    if (retval)

        goto error;

​