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From:   Fabio Estevam <festevam@gmail.com>
Date:   Sat, 22 Aug 2020 16:59:31 -0300
Message-ID: <CAOMZO5DNS0jgc5aryzHvcViVUDZCVF+NMMf_RG2EB28p8Z0Ghw@mail.gmail.com>
Subject: Re: [PATCH] ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy
To:     Chris Healy <cphealy@gmail.com>
Cc:     Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Sascha Hauer <kernel@pengutronix.de>,
        NXP Linux Team <linux-imx@nxp.com>,
        Oleksij Rempel <linux@rempel-privat.de>,
        "David S. Miller" <davem@davemloft.net>,
        Philippe Schenker <philippe.schenker@toradex.com>,
        Andrew Lunn <andrew@lunn.ch>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
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Hi Chris,

On Mon, Aug 17, 2020 at 12:04 AM Chris Healy <cphealy@gmail.com> wrote:
>
> From: Chris Healy <cphealy@gmail.com>
>
> Since commit bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the
> KSZ9031 PHY") the networking is broken on the imx7d-zii-rmu2 board.
>
> Fix it by switching to phy-mode = "rgmii-id".

The patch looks good, but the commit log could be improved to explain
more about the reason for the breakage.

Please check commit 0672d22a19244 ("ARM: dts: imx: Fix the AR803X
phy-mode") as a reference.