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

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Message-ID: <a3e934eb-7517-f313-46d9-fd5335ce305e@flygoat.com>
Date:   Wed, 30 Aug 2023 23:31:07 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Binbin Zhou <zhoubb.aaron@...il.com>,
        Huacai Chen <chenhuacai@...nel.org>
Cc:     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
Subject: Re: [PATCH v2] dt-bindings: interrupt-controller: loongson,liointc:
 Fix warnings about liointc-2.0



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
>