linux-kernel - Re: [PATCH v4 1/5] dt-bindings: interrupt-controller: loongson,liointc: Standardize the naming of 'loongson,parent-int-map'

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Message-ID: <20231116173907.GA2446677-robh@kernel.org>
Date:   Thu, 16 Nov 2023 11:39:07 -0600
From:   Rob Herring <robh@...nel.org>
To:     Binbin Zhou <zhoubinbin@...ngson.cn>
Cc:     Binbin Zhou <zhoubb.aaron@...il.com>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Thomas Gleixner <tglx@...utronix.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Huacai Chen <chenhuacai@...nel.org>,
        loongson-kernel@...ts.loongnix.cn, devicetree@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, lvjianmin@...ngson.cn,
        WANG Xuerui <git@...0n.name>, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/5] dt-bindings: interrupt-controller:
 loongson,liointc: Standardize the naming of 'loongson,parent-int-map'

On Mon, Nov 13, 2023 at 10:36:21AM +0800, Binbin Zhou wrote:
> Since the 'loongson,parent_int_map' attribute naming is non-standard, we
> should use 'loongson,parent-int-map' instead.
> Also, 'loongson,parent_int_map' will be marked as deprecated.

Again, as I said last time, it is not worth adding 
'loongson,parent-int-map' and having to support both forms in the kernel 
forever. If you can define a time that we keep 'loongson,parent_int_map' 
that's less than "forever", then may be it would be worth changing.

To put this another way, using '-' instead of '_' is for *new* bindings, 
not existing users.

Rob