[V3] PCI: fu740: Drop to 2.5GT/s to fix initial device probing on some boards
Ben Dooks
ben.dooks at codethink.co.uk
Sun May 29 08:56:44 PDT 2022
On 02/05/2022 12:46, Maciej W. Rozycki wrote:
> Hi Ben,
>
>>> Any idea what might be causing it? I can't see it being explicitly set
>>> or cleared anywhere, be it in U-Boot or Linux, so it must be done by the
>>> device itself depending on something. And the lack of this capability
>>> seems to me like non-compliance for a multiple-lane, multiple-speed
>>> device.
>>
>> I'll see if we can reproduce this
>
> Have you been able to look into it?
>
I can't see anything obvious from the code, however my SD card image
does not have lspci on it and I have not had time to make a new image
to test.
I wonder if anyone at SiFive can comment on this?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
https://www.codethink.co.uk/privacy.html
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