于 2020年11月28日 GMT+08:00 上午11:09:17, Chen-Yu Tsai <wens@xxxxxxxxxx> 写到: >On Mon, Nov 23, 2020 at 6:22 PM Icenowy Zheng <icenowy@xxxxxxx> wrote: >> >> >> >> 于 2020年11月23日 GMT+08:00 上午11:37:43, Chen-Yu Tsai <wens@xxxxxxxx> 写到: >> >On Sun, Nov 22, 2020 at 8:40 AM Icenowy Zheng <icenowy@xxxxxxx> >wrote: >> >> >> >> As the USB port on Lichee Pi Zero works in the OTG mode, enable >the >> >> EHCI/OHCI controllers for it. >> > >> >You should probably mention that the host controllers work better >> >than the OTG controller in host mode. Otherwise this change lacks >> >justification for enabling two extra hardware blocks. >> >> Our PHY driver do not sense whether ?HCI is enabled or not, so >> for host to work it's necessary to be enabled, otherwise the phy >> driver will just route USB to unenabled ?HCI and fail. > >So, this was never working in Linux to begin with? You should mention >that. Okay. > >Maybe a fixes tag is in order then. Well I can't judge whether this is necessary.