From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: Marvell phy errata origins?
Date: Tue, 25 Sep 2018 17:34:48 +0200
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 <84bfdc12-800c-2f63-3eff-416cf560e18c@cisco.com>
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Cc: Florian Fainelli <f.fainelli@gmail.com>,
        Andy Fleming <afleming@freescale.com>,
        Harini Katakam <harini.katakam@xilinx.com>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        HEMANT RAMDASI <hramdasi@cisco.com>,
        "Julius Hemanth Pitti -X (jpitti - MONTA VISTA SOFTWARE INC at Cisco)"
        <jpitti@cisco.com>,
        "GokulChand Casheekar (gcasheek)" <gcasheek@cisco.com>
To: Daniel Walker <danielwa@cisco.com>
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> I've added Gokul who reported the issue to me. Is it possible that Harini
> and Cisco have different m88e1111 phys? Maybe there's an issue with how they
> are hooked up ?

Hi Daniel

The lower 4 bits of the ID registers normally indicate the revision of
the PHY. It might be worth checking if everybody has the same
revision, or the problems are limited to just one revision.

	  Andrew