linux-kernel - Re: [PATCH] arm64: dts: marvell: espressobin: Add ethernet switch aliases

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Message-ID: <20200907144228.GV3112546@lunn.ch>
Date:   Mon, 7 Sep 2020 16:42:28 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Pali Rohár <pali@...nel.org>
Cc:     Jason Cooper <jason@...edaemon.net>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Tomasz Maciej Nowak <tmn505@...il.com>,
        Andre Heider <a.heider@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: marvell: espressobin: Add ethernet switch
 aliases

On Mon, Sep 07, 2020 at 01:27:17PM +0200, Pali Rohár wrote:
> Espressobin boards have 3 ethernet ports and some of them got assigned more
> then one MAC address. MAC addresses are stored in U-Boot environment.
> 
> Since commit a2c7023f7075c ("net: dsa: read mac address from DT for slave
> device") kernel can use MAC addresses from DT for particular DSA port.
> 
> Currently Espressobin DTS file contains alias just for ethernet0.
> 
> This patch defines additional ethernet aliases in Espressobin DTS files, so
> bootloader can fill correct MAC address for DSA switch ports if more MAC
> addresses were specified.
> 
> DT alias ethernet1 is used for wan port, DT aliases ethernet2 and ethernet3
> are used for lan ports for both Espressobin revisions (V5 and V7).
> 
> Fixes: 5253cb8c00a6f ("arm64: dts: marvell: espressobin: add ethernet alias")
> Signed-off-by: Pali Rohár <pali@...nel.org>

I'm not sure a Fixes: is appropriate here. What is actually broken?
This just seems like a new feature.

    Andrew