On 10/4/2023 10:44 PM, Vitaly Lifshits wrote:
> On some Meteor Lake systems accessing the PHY via the MDIO interface may
> result in an MDI error. This issue happens sporadically and in most cases
> a second access to the PHY via the MDIO interface results in success.
>
> As a workaround, introduce a retry counter which is set to 3 on Meteor
> Lake systems. The driver will only return an error if 3 consecutive PHY
> access attempts fail. The retry mechanism is disabled in specific flows,
> where MDI errors are expected.
>
A bit ugly. I assume we don't have any idea of the root cause of MDI issues?
Especially having cases where we disable re-try which is a bit awkward.
I don't have any alternative suggestion tho...
Thanks,
Jake
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