netdev - Re: [PATCH net-next 3/3] net: bcmgenet: Add support for 7712 16nm internal EPHY

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Message-ID: <YXMS23QSf55r8vBT@lunn.ch>
Date:   Fri, 22 Oct 2021 21:36:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Doug Berger <opendmb@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "open list:BROADCOM GENET ETHERNET DRIVER" 
        <bcm-kernel-feedback-list@...adcom.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 3/3] net: bcmgenet: Add support for 7712 16nm
 internal EPHY

On Fri, Oct 22, 2021 at 09:17:03AM -0700, Florian Fainelli wrote:
> The 16nm internal EPHY that is present in 7712 is actually a 16nm
> Gigabit PHY which has been forced to operate in 10/100 mode.

Hi Florian

Will genphy_read_abilities() detect it as a 1G PHY? Does bcmgenet.c
need to call phy_set_max_speed() to stop it advertising 1G?

Andrew