linux-kernel - Re: [PATCH 1/3] net: phy: at803x: support qca8081 1G chip type

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Message-ID: <48e41540-6857-4f61-bcc5-4d0a6dbb9ec1@lunn.ch>
Date:   Thu, 29 Jun 2023 15:14:03 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Luo Jie <quic_luoj@...cinc.com>
Cc:     hkallweit1@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_sricharan@...cinc.com
Subject: Re: [PATCH 1/3] net: phy: at803x: support qca8081 1G chip type

On Thu, Jun 29, 2023 at 11:48:44AM +0800, Luo Jie wrote:
> The qca8081 1G chip version does not support 2.5 capability, which
> is distinguished from qca8081 2.5G chip according to the bit0 of
> register mmd7.0x901d.
> 
> The fast retrain and master slave seed configs are only needed when
> the 2.5G capability is supported.

Does genphy_c45_pma_read_abilities() work on these devices? 

     Andrew