linux-kernel - Re: [RFC PATCH v2 5/8] net: pcs: add driver for MediaTek USXGMII PCS

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Message-ID: <ZXB5J5zO6IeTCy3b@makrotopia.org>
Date:   Wed, 6 Dec 2023 13:37:43 +0000
From:   Daniel Golle <daniel@...rotopia.org>
To:     Rob Herring <robh@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Alexander Couzens <lynxis@...0.eu>,
        Qingfang Deng <dqfext@...il.com>,
        SkyLake Huang <SkyLake.Huang@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org
Subject: Re: [RFC PATCH v2 5/8] net: pcs: add driver for MediaTek USXGMII PCS

On Wed, Dec 06, 2023 at 07:34:03AM -0600, Rob Herring wrote:
> On Wed, Dec 06, 2023 at 01:44:38AM +0000, Daniel Golle wrote:
> > Add driver for USXGMII PCS found in the MediaTek MT7988 SoC and supporting
> > USXGMII, 10GBase-R and 5GBase-R interface modes. In order to support
> > Cisco SGMII, 1000Base-X and 2500Base-X via the also present LynxI PCS
> > create a wrapped PCS taking care of the components shared between the
> > new USXGMII PCS and the legacy LynxI PCS.
> > 
> > Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> > ---
> >  .../bindings/net/pcs/mediatek,usxgmii.yaml    |  46 +-
> 
> Why are you changing the binding you just added?

Oh, that change slipped into the wrong commit by accident, sorry about
that, I will fix it in the next iteration.

> 
> In any case, bindings are separate patches.
> 
> >  MAINTAINERS                                   |   2 +
> >  drivers/net/pcs/Kconfig                       |  11 +
> >  drivers/net/pcs/Makefile                      |   1 +
> >  drivers/net/pcs/pcs-mtk-usxgmii.c             | 413 ++++++++++++++++++
> >  include/linux/pcs/pcs-mtk-usxgmii.h           |  26 ++
> >  6 files changed, 456 insertions(+), 43 deletions(-)
> >  create mode 100644 drivers/net/pcs/pcs-mtk-usxgmii.c
> >  create mode 100644 include/linux/pcs/pcs-mtk-usxgmii.h