netdev - Re: [PATCH v4 03/13] dt-bindings: net: Add a YAML schemas for the generic MDIO options

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Date:   Fri, 28 Jun 2019 12:17:15 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        netdev <netdev@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Antoine Ténart <antoine.tenart@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH v4 03/13] dt-bindings: net: Add a YAML schemas for the
 generic MDIO options

On Fri, Jun 28, 2019 at 7:46 AM Maxime Ripard <maxime.ripard@...tlin.com> wrote:
>
> On Thu, Jun 27, 2019 at 10:06:57AM -0600, Rob Herring wrote:
> > On Thu, Jun 27, 2019 at 9:57 AM Maxime Ripard <maxime.ripard@...tlin.com> wrote:
> > > > > +
> > > > > +        reset-gpios = <&gpio2 5 1>;
> > > > > +        reset-delay-us = <2>;
> > > > > +
> > > > > +        ethphy0: ethernet-phy@1 {
> > > > > +            reg = <1>;
> > > >
> > > > Need a child node schema to validate the unit-address and reg property.
> > >
> > > This should be already covered by the ethernet-phy.yaml schemas
> > > earlier in this series.
> >
> > Partially, yes.
> >
> > > Were you expecting something else?
> >
> > That would not prevent having a child node such as 'foo {};'  or
> > 'foo@bad {};'. It would also not check valid nodes named something
> > other than 'ethernet-phy'.
>
> Right, but listing the nodes won't either, since we can't enable
> additionalProperties in that schema. So any node that wouldn't match
> ethernet-phy@.* wouldn't be validated, but wouldn't generate a warning
> either.

Perhaps I wasn't clear, but it was missing or incorrect 'reg' property
and unit-address format checks that I was thinking about. Just like we
have for SPI.

Rob