嘉立创庐山派编译，然后烧录linux+rtos的镜像，然后庐山派串口三需要借一个模块连串口，但是串口最后输出
[ 30.935412] vvcam-isp 90000000.isp.0: mi irq: 94
[ 30.940182] vvcam-isp 90000000.isp.0: fe irq: 95
[ 30.945817] vvcam-isp 90000000.isp.0: vvcam isp driver probe success
[ 30.962825] vvcam-mipi 9000a800.mipi.0: start probe 2
[ 30.968100] vvcam-mipi 9000a800.mipi.0: irq: 96
[ 30.972703] failed to acquire reset gpio
[ 30.976642] gpiod_set_value_cansleep: invalid GPIO (errorpointer)
[ 30.982747] ---------------reset --- --------
[ 30.987780] vvcam-mipi 9000a800.mipi.0: vvcam mipi driver probe success
[ 31.004017] vvcam-vb vvcam-vb.0: vvcam vb probe success
[ 31.023457] vvcam-isp-subdev vvcam-isp-subdev.0: vvcam_isp_probe
[ 31.031293] vvcam-isp-subdev vvcam-isp-subdev.0: vvcam isp driver probe success
[ 31.048030] vvcam-video vvcam-video.0: vvcam_video_probe
[ 31.054310] vvcam-video vvcam-video.0: vvcam video driver probe success
Welcome to Buildroot
canaan login:不管我的串口发送什么，好像没反应？
