需要关闭imx6调试串口，用作普通的串口使用。

参考链接

更改kernel中配置， make menuconfig

Symbol: SERIAL_IMX_CONSOLE [=y]             Type  : boolean                             Prompt: Console on IMX serial port              Defined at drivers/tty/serial/Kconfig:826     Depends on: HAS_IOMEM [=y] && SERIAL_IMX [=y]    Location:                                          -> Device Drivers                                  -> Character devices                               -> Serial drivers                                  -> IMX serial port support (SERIAL_IMX [=y])

Tony Liu

2016-12-23, Shenzhen