RE: [PATCH v2 1/1] net: phy: micrel: Add workaround for incomplete autonegotiation

From: Asmaa Mnebhi
Date: Thu Dec 28 2023 - 08:37:34 EST


> On 12/28/2023 12:16 AM, Asmaa Mnebhi wrote:
> > Very rarely, the KSZ9031 fails to complete autonegotiation although it
> > was initiated via phy_start(). As a result, the link stays down.
> > Restarting autonegotiation when in this state solves the issue.
> >
> > Signed-off-by: Asmaa Mnebhi <asmaa@xxxxxxxxxx>
>
> Is there a Micrel errata associated with this work around that could be
> referenced here?

Hi Florian,

No there isn’t. This is based on observations and comparison with the behavior and testing of other PHYs. For example, we don’t see this issue with the Vitesse PHY.

Thanks.
Asmaa