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Date: Thu, 8 Sep 2016 09:44:44 +0200
From: Richard Cochran <richardcochran@gmail.com>
To: Harini Katakam <harinikatakamlinux@gmail.com>
Cc: Andrei Pistirica <andrei.pistirica@microchip.com>,
        netdev@vger.kernel.org,
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        davem@davemloft.net, Nicolas Ferre <nicolas.ferre@atmel.com>,
        Harini Katakam <harini.katakam@xilinx.com>,
        Punnaiah Choudary Kalluri <punnaia@xilinx.com>,
        "michals@xilinx.com" <michals@xilinx.com>,
        Anirudha Sarangi <anirudh@xilinx.com>,
        Boris Brezillon <boris.brezillon@free-electrons.com>,
        alexandre.belloni@free-electrons.com, tbultel@pixelsurmer.com
Subject: Re: [RFC PATCH 1/2] macb: Add 1588 support in Cadence GEM.
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On Thu, Sep 08, 2016 at 10:22:43AM +0530, Harini Katakam wrote:
> I cant be sure of the version of Cadence GEM used in SAMA5D2
> but these registers (sub ns increments alteast) only exist in
> the IP version used in Zynq Ultrascale+ MPSoC.

Then you need to find a way to make sure the driver only binds to the
correct silicon.

Thanks,
Richard