netdev - Re: [PATCH] dt-bindings: Add missing array size constraints

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Date:   Wed, 6 Jan 2021 08:13:27 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-devicetree <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Jens Axboe <axboe@...nel.dk>, Stephen Boyd <sboyd@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-ide@...r.kernel.org, linux-clk <linux-clk@...r.kernel.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Input <linux-input@...r.kernel.org>,
        linux-media <linux-media@...r.kernel.org>,
        linux-mmc@...r.kernel.org, netdev <netdev@...r.kernel.org>,
        linux-pm <linux-pm@...r.kernel.org>,
        linux-remoteproc@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-serial@...r.kernel.org,
        Linux-ALSA <alsa-devel@...a-project.org>,
        linux-spi@...r.kernel.org, USB list <linux-usb@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: Add missing array size constraints

On Tue, Jan 5, 2021 at 12:03 AM Rob Herring <robh@...nel.org> wrote:
>
> DT properties which can have multiple entries need to specify what the
> entries are and define how many entries there can be. In the case of
> only a single entry, just 'maxItems: 1' is sufficient.
>
> Add the missing entry constraints. These were found with a modified
> meta-schema. Unfortunately, there are a few cases where the size
> constraints are not defined such as common bindings, so the meta-schema
> can't be part of the normal checks.
>

[snip!]

>  .../bindings/gpio/gpio-pca95xx.yaml           |  1 +

[snip!]

> diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
> index f5ee23c2df60..57cdcfd4ff3c 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
> +++ b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml
> @@ -81,6 +81,7 @@ properties:
>      const: 2
>
>    reset-gpios:
> +    maxItems: 1
>      description:
>        GPIO specification for the RESET input. This is an active low signal to
>        the PCA953x.  Not valid for Maxim MAX732x devices.

Acked-by: Bartosz Golaszewski <bgolaszewski@...libre.com>