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Date:   Tue, 5 Apr 2022 14:18:52 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Andy Chiu <andy.chiu@sifive.com>
Cc:     davem@davemloft.net, michal.simek@xilinx.com,
        radhey.shyam.pandey@xilinx.com, kuba@kernel.org, pabeni@redhat.com,
        robh+dt@kernel.org, krzk+dt@kernel.org, linux@armlinux.org.uk,
        netdev@vger.kernel.org, devicetree@vger.kernel.org,
        Greentime Hu <greentime.hu@sifive.com>,
        Robert Hancock <robert.hancock@calian.com>
Subject: Re: [PATCH v8 net-next 4/4] net: axiemac: use a phandle to reference
 pcs_phy
Message-ID: <YkwzrE3f+f3/15bT@lunn.ch>
References: <20220405091929.670951-1-andy.chiu@sifive.com>
 <20220405091929.670951-5-andy.chiu@sifive.com>
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On Tue, Apr 05, 2022 at 05:19:29PM +0800, Andy Chiu wrote:
> In some SGMII use cases where both a fixed link external PHY and the
> internal PCS/PMA PHY need to be configured, we should explicitly use a
> phandle "pcs-phy" to get the reference to the PCS/PMA PHY. Otherwise, the
> driver would use "phy-handle" in the DT as the reference to both the
> external and the internal PCS/PMA PHY.
> 
> In other cases where the core is connected to a SFP cage, we could still
> point phy-handle to the intenal PCS/PMA PHY, and let the driver connect
> to the SFP module, if exist, via phylink.
> 
> Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
> Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
> Reviewed-by: Robert Hancock <robert.hancock@calian.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew