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SubjectRe: [PATCH] phy: phylink: Fix CuSFP issue in phylink
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Russell King - ARM Linux admin writes:

> On Tue, Nov 10, 2020 at 11:06:42AM +0100, Bjarni Jonasson wrote:
>> There is an issue with the current phylink driver and CuSFPs which
>> results in a callback to the phylink validate function without any
>> advertisement capabilities. The workaround (in this changeset)
>> is to assign capabilities if a 1000baseT SFP is identified.
>
> How does this happen? Which PHY is being used?

This occurs just by plugging in the CuSFP.
None of the CuSFPs we have tested are working.
This is a dump from 3 different CuSFPs, phy regs 0-3:
FS SFP: 01:40:79:49
HP SFP: 01:40:01:49
Marvel SFP: 01:40:01:49
This was working before the delayed mac config was implemented (in dec
2019).

--
Bjarni Jonasson, Microchip

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