linux-kernel - Re: [PATCH 8/8] MIPS: DTS: Ingenic: Add support for the JZ4755 SoC

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Message-ID: <3c516469-8f89-9c4a-e558-5281d07510c7@linaro.org>
Date:   Tue, 11 Oct 2022 08:09:01 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Siarhei Volkau <lis8215@...il.com>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jiri Slaby <jirislaby@...nel.org>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH 8/8] MIPS: DTS: Ingenic: Add support for the JZ4755 SoC

On 10/10/2022 16:00, Siarhei Volkau wrote:
>> How do you build it? How do you test it? It's basically non-compillable,
>> dead code. You need a board.
> 
> I tested it on a Ritmix RZX-50 handheld, 

You cannot, there is no such DTS.

> although this patchset doesn't
> include it as it requires many other changes to be fully functional.

Exactly.

> I decided to do this in two steps: add platform first (this patchset) then
> specific drivers and quirks, in the next patchset, when this one passes.
> 
> Of course I can add machine's dts with working parts. What's the usual way?

Don't add dead code to the kernel, so DTSI comes with DTS.

Best regards,
Krzysztof