linux-kernel - Re: [PATCH] dt-bindings: net: dsa: Fix realtek-smi example

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Message-ID: <CACRpkda_6Uwzoxiq=vpftusKFtQ8_Qbtoau9Wtm_AM8p3BqpVg@mail.gmail.com>
Date:   Sun, 26 Dec 2021 04:29:51 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     devicetree@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Olof Johansson <olof@...om.net>,
        Arınç ÜNAL <arinc.unal@...nc9.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: net: dsa: Fix realtek-smi example

On Thu, Dec 23, 2021 at 7:17 PM Florian Fainelli <f.fainelli@...il.com> wrote:

> The 'ports' node is not supposed to have a 'reg' property at all, in
> fact, doing so will lead to dtc issuing warnings looking like these:
>
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:109.4-14: Warning (reg_format): /switch/ports:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #address-cells value
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #size-cells value
>
> Fix the example by remove the stray 'reg' property.
>
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Fixes: 3b3b6b460f78 ("net: dsa: Add bindings for Realtek SMI DSAs")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Ooops thanks for fixing this! (Wouldn't happen if we converted
it to YAML...)
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij