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. Maybe a fixes tag is in order then.
