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AM3359 USB 供电问题

Other Parts Discussed in Thread: TPS2051, AM3359


我自制的AM3359板子,在USB的硬件上将TPS2051芯片的OC脚直接拉高了,
移植Beaglebone Linux到 自制板子上,系统能正常启动,但是USB供电
不正常出现了脉冲的形式,导致USB的设备一直在重启,请问有没有人知
这种情况在 Linux Kernel 的什么地方进行修改呢,本人对USB驱动不了
解,望前辈们能指导。
谢谢!!!