adv_uart_register.h

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#if LINUX_VERSION_CODE >= KERNEL_VERSION(6,5,0)
// @ current
#else
int adv_uart_register(void)
{
    int ret;
 
    ret = uart_register_driver(&adv_uart_driver);
//  printk("uart_list =%x\n", &uart_list);
    
    if (ret < 0){
        printk("ret < 0\n");
        uart_unregister_driver(&adv_uart_driver);
    }
    
    return ret;
}
#endif