netdev - Re: [PATCH 4/4] dt-bindings: Add missing 'additionalProperties: false'

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Message-ID: <20200325220749.GF12169@sirena.org.uk>
Date:   Wed, 25 Mar 2020 22:07:49 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Brian Masney <masneyb@...tation.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Guillaume La Roque <glaroque@...libre.com>,
        Hartmut Knaack <knaack.h@....de>,
        Jonathan Cameron <jic23@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michael Hennerich <michael.hennerich@...log.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Stephen Boyd <sboyd@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Zhang Rui <rui.zhang@...el.com>,
        dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-media@...r.kernel.org, linux-pm@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 4/4] dt-bindings: Add missing 'additionalProperties:
 false'

On Wed, Mar 25, 2020 at 04:05:41PM -0600, Rob Herring wrote:
> Setting 'additionalProperties: false' is frequently omitted, but is
> important in order to check that there aren't extra undocumented
> properties in a binding.
> 
> Ideally, we'd just add this automatically and make this the default, but
> there's some cases where it doesn't work. For example, if a common
> schema is referenced, then properties in the common schema aren't part
> of what's considered for 'additionalProperties'. Also, sometimes there
> are bus specific properties such as 'spi-max-frequency' that go into
> bus child nodes, but aren't defined in the child node's schema.

Acked-by: Mark Brown <broonie@...nel.org>

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