linux-kernel - Re: [PATCH] ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy

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Date:   Sat, 22 Aug 2020 13:06:30 -0700
From:   Chris Healy <cphealy@...il.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Oleksij Rempel <linux@...pel-privat.de>,
        "David S. Miller" <davem@...emloft.net>,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Andrew Lunn <andrew@...n.ch>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy

On Sat, Aug 22, 2020 at 12:59 PM Fabio Estevam <festevam@...il.com> wrote:
>
> Hi Chris,
>
> On Mon, Aug 17, 2020 at 12:04 AM Chris Healy <cphealy@...il.com> wrote:
> >
> > From: Chris Healy <cphealy@...il.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.

Sounds good, I'll improve the commit log in v2.