netdev - Re: [PATCH] net: phy: marvell: add special handling of Finisar modules with 81E1111

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Message-ID: <20201019214536.GX139700@lunn.ch>
Date:   Mon, 19 Oct 2020 23:45:36 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Robert Hancock <robert.hancock@...ian.com>
Cc:     "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] net: phy: marvell: add special handling of Finisar
 modules with 81E1111

> I have a local patch that just falls back to trying 1000BaseX mode
> if the driver reports SGMII isn't supported and it seems like it
> might be a copper module, but that is a bit of a hack that may need
> to be handled differently.

Do you also modify what the PHY is advertising to remove the modes
your cannot support?

     Andrew