netdev - Re: [PATCH net-next 3/3] net: phy: realtek: add support for the 2.5Gbps PHY in RTL8125

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Date:   Thu, 8 Aug 2019 21:37:43 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 3/3] net: phy: realtek: add support for the
 2.5Gbps PHY in RTL8125

On Thu, Aug 08, 2019 at 09:05:54PM +0200, Heiner Kallweit wrote:
> This adds support for the integrated 2.5Gbps PHY in Realtek RTL8125.
> Advertisement of 2.5Gbps mode is done via a vendor-specific register.
> Same applies to reading NBase-T link partner advertisement.
> Unfortunately this 2.5Gbps PHY shares the PHY ID with the integrated
> 1Gbps PHY's in other Realtek network chips and so far no method is
> known to differentiate them.

That is not nice.

Do you have any contacts in Realtek who can provide us with
information? Maybe there is another undocumented vendor specific
register?

	Andrew