linux-kernel - Re: [PATCH] net: netsec: Ignore 'phy-mode' on SynQuacer in DT mode

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Date:   Fri, 28 Jul 2023 21:35:00 +0900
From:   Masahisa Kojima <masahisa.kojima@...aro.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Andrew Lunn <andrew@...n.ch>, 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, 28 Jul 2023 at 20:43, Mark Brown <broonie@...nel.org> wrote:
>
> On Fri, Jul 28, 2023 at 10:41:40AM +0200, Andrew Lunn wrote:
> > > Wouldn't this break SynQuacers booting with firmware that lacks a
> > > network driver? (I.e., u-boot?)
>
> > > I am not sure why, but quite some effort has gone into porting u-boot
> > > to this SoC as well.
>
> > Agreed, Rather than PHY_INTERFACE_MODE_NA, please use the correct
> > value.
>
> Does anyone know off hand what the correct value is?  I only have access
> to one of these in a remote test lab which makes everything more
> painful.

"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,
Masahisa Kojima