Re: [PATCH net-next] net: sfp: add quirk for XikeStor SKT-2.5G-100M

From: Andrew Lunn

Date: Tue Sep 22 2026 - 08:20:49 EST


> Note: The RTL8221B PHY in this module becomes stuck in a broken state
> after attempting to read some registers on MMD 30 while it has already
> established a link (this is a general issue with this PHY which happens
> when it is configured for rate adaptation mode).

This sounds like something which should be fixed in the PHY
driver. Can you take a look at that. Is there an errata for it with a
suggested workaround?

> Signed-off-by: Jan Hoffmann <jan@xxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew