龍芯內核編譯後串口報錯:There is no i2c device ack

自己編譯內核啓動文件系統發現啓動後串口一遍又一遍的報錯: [ 20.265825] There is no i2c device ack [ 30.313818] There is no i2c device ack [ 40.361820] There is no i2c device ack [ 50.409811] There is no i2c device ack 解決辦法: 開機進入:
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