linux-kernel - Re: [PATCH net-next 3/7] dt-bindings: net: Document moca PHY interface

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Date:   Wed, 1 Dec 2021 12:28:55 -0600
From:   Rob Herring <robh@...nel.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Rafał Miłecki <rafal@...ecki.pl>,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        Doug Berger <opendmb@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        linux-kernel@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH net-next 3/7] dt-bindings: net: Document moca PHY interface

On Wed, Dec 1, 2021 at 11:15 AM Florian Fainelli <f.fainelli@...il.com> wrote:
>
> On 12/1/21 6:33 AM, Rob Herring wrote:
> > On Tue, 30 Nov 2021 20:12:24 -0800, Florian Fainelli wrote:
> >> MoCA (Multimedia over Coaxial) is used by the internal GENET/MOCA cores
> >> and will be needed in order to convert GENET to YAML in subsequent
> >> changes.
> >>
> >> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> >> ---
> >>  Documentation/devicetree/bindings/net/ethernet-controller.yaml | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >
> > Running 'make dtbs_check' with the schema in this patch gives the
> > following warnings. Consider if they are expected or the schema is
> > incorrect. These may not be new warnings.
> >
> > Note that it is not yet a requirement to have 0 warnings for dtbs_check.
> > This will change in the future.
> >
> > Full log is available here: https://patchwork.ozlabs.org/patch/1561996
> >
> >
> > ethernet@0,2: fixed-link:speed:0:0: 2500 is not one of [10, 100, 1000]
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dt.yaml
> >       arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dt.yaml
> >
> > ethernet@...20000: phy-handle: [[36], [37]] is too long
> >       arch/arm64/boot/dts/apm/apm-mustang.dt.yaml
> >
> > ethernet@...00: fixed-link:speed:0:0: 2500 is not one of [10, 100, 1000]
> >       arch/arm/boot/dts/armada-385-clearfog-gtr-l8.dt.yaml
> >       arch/arm/boot/dts/armada-385-clearfog-gtr-s4.dt.yaml
>
> These are all pre-existing warnings, but we should be documenting speed
> 2500 in ethernet-controller.yaml, so I will add a patch towards that end.

Thanks.

> The one for apm-mustand.dts however I am not sure how to best resolve
> since it looks like there was an intention to provide two Ethernet PHYs
> and presumably have the firmware prune the one that is not in use. I
> don't even know if that platform is supported mainline anymore.

Unfortunately it is, barely. I just fixed a breakage I caused 2 years
ago and just now noticed. I would not worry about it for now.

Rob