需要关闭imx6调试串口,用作普通的串口使用. 参考链接 http://blog.csdn.net/neiloid/article/details/7585876 http://www.cnblogs.com/helloworldtoyou/p/5437867.html 更改kernel中配置, make menuconfig Symbol: SERIAL_IMX_CONSOLE [=y] Type : boolean Prompt: Console on IMX serial port Def…