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Message-ID: <8ed87590-4f0e-423a-a326-c4f6bef24596@sirena.org.uk>
Date:   Fri, 28 Jul 2023 18:11:43 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Masahisa Kojima <masahisa.kojima@...aro.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: netsec: Ignore 'phy-mode' on SynQuacer in DT mode

On Fri, Jul 28, 2023 at 07:07:36PM +0200, Andrew Lunn wrote:
> On Fri, Jul 28, 2023 at 09:35:00PM +0900, Masahisa Kojima wrote:

> > "rgmii-id" is correct, configured by board level.
> > The latest EDK2 firmware was already modified to use the correct value
> > for DT(Thank you, Ard).
> > http://snapshots.linaro.org/components/kernel/leg-96boards-developerbox-edk2/100/

Thanks, that does seem to be working.

> If the firmware has been fixed, i would actually do something like:

> 	err = of_get_phy_mode(pdev->dev.of_node, &priv->phy_interface);
> 	if (err)
> 		return err;

> 	if (of_machine_is_compatible("socionext,developer-box") &&
> 	    priv->phy_interface != PHY_INTERFACE_MODE_RGMII_ID) {
> 	    	pr_warn(FW_WARN, "Working around broken firmware. Please upgrade your firmware");
> 		priv->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
> 	}

It is not clear to me that the release channels for this firmware are
sufficiently clear to users for this to be constructive.

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