rk3399pro的npu找不到
（为了高效，请按如下格式提问）硬件主板型号：tinker edge R
固件名称/系统版本：Tinker_Edge_R-Debian-Buster-v2.0.5-20220217
自编的或固件下载地址：
Log日志: (可以导出，用TXT附件上传)
[ 1.880322] tinker-mcu: tinker_mcu_probe: address = 0x45
[ 1.885656] tinker-mcu: tinker_mcu_probe: i2c_id= 0x4
[ 1.890730] tinker-mcu: send_cmds: 80
[ 1.894591] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.902017] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.909436] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.916859] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.924276] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.931536] tinker-mcu: send_cmds: send command failed
[ 1.936695] tinker-mcu: tinker_mcu_probe: init_cmd_check failed, -6
[ 1.943060] tinker-mcu: tinker_mcu_ili9881c_probe: address = 0x36
[ 1.949202] tinker-mcu: tinker_mcu_ili9881c_probe: i2c_id= 0x4
[ 1.955063] tinker-mcu: send_cmds: 04
[ 1.958914] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.966335] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.973754] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.981173] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.988592] tinker-mcu: send_cmds: send command failed, ret = -6, retry again!
[ 1.995855] tinker-mcu: send_cmds: send command failed
[ 2.001014] tinker-mcu: tinker_mcu_ili9881c_probe: init_cmd_check[-6] failed, 0
问题描述及复现步骤:
1.dmesg发现 send_cmds出错，问一下对系统是否有影响
2.我发现如果插上usbhub，有可能会导致3399pro的npu找不到，为什么， npu_transfer_proxy devices 下面，列表为空
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