misc

static struct miscdevice mymisc_dev = {
    .minor  = MISC_DYNAMIC_MINOR,
    .name   = "mymisc",
    .fops   = &mymisc_fops,
};

int __init mymisc_device_init(void)
{
    return misc_register(&mymisc_dev);
}

void __exit mymisc_device_remove(void)
{
    misc_deregister(&mymisc_dev);
}