linux-kernel - Re: [PATCH v2] dt-bindings: interrupt-controller: loongson,liointc: Fix warnings about liointc-2.0

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Message-ID: <CAMpQs4L0DYxoqQbpi7WeNMBf9g+58L2=D6BXrKbSUqJQEEKZLQ@mail.gmail.com>
Date:   Thu, 31 Aug 2023 09:47:29 +0800
From:   Binbin Zhou <zhoubb.aaron@...il.com>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Huacai Chen <chenhuacai@...nel.org>,
        Binbin Zhou <zhoubinbin@...ngson.cn>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        loongson-kernel@...ts.loongnix.cn, devicetree@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, diasyzhang@...cent.com,
        linux-kernel@...r.kernel.org, Jianmin Lv <lvjianmin@...ngson.cn>
Subject: Re: [PATCH v2] dt-bindings: interrupt-controller: loongson,liointc:
 Fix warnings about liointc-2.0

cc Jianmin Lv.

Hi all:

Jianmin knows Loongson interrupt controllers well, he may have other
suggestions.

Thanks.
Binbin

On Wed, Aug 30, 2023 at 11:31 PM Jiaxun Yang <jiaxun.yang@...goat.com> wrote:
>
>
>
> 在 2023/8/30 22:35, Krzysztof Kozlowski 写道:
> >> What's the best way, in your opinion, to overhaul this property? As we don't
> >> really care backward compatibility of DTBs on those systems we can just
> >> redesign it.
> > Deprecate the property in the bindings, allow driver to work with or
> > without it and finally drop it entirely from DTS.
>
> I'd love to have such configuration flexibility so I'd be sad to see it go.
> + Huacai and Binbin, what's your opinion?
>
> If dropping such functionality in kernel is a must go, we can hardcode
> to route all downstream interrupt to the first pin that passed to DT.
>
> Thanks
> - Jiaxun
> > Best regards,
> > Krzysztof
> >
>