于 2020年11月28日 GMT+08:00 上午11:09:17, Chen-Yu Tsai <[email protected]> 写到:
>On Mon, Nov 23, 2020 at 6:22 PM Icenowy Zheng <[email protected]> wrote:
>>
>>
>>
>> 于 2020年11月23日 GMT+08:00 上午11:37:43, Chen-Yu Tsai <[email protected]> 写到:
>> >On Sun, Nov 22, 2020 at 8:40 AM Icenowy Zheng <[email protected]>
>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.
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