linux-kernel - Re: [PATCH v13 1/2] dt-bindings: clock: add loongson-2 boot clock index

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Date:   Thu, 9 Mar 2023 09:43:04 +0800
From:   zhuyinbo <zhuyinbo@...ngson.cn>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Jianmin Lv <lvjianmin@...ngson.cn>,
        Liu Peibao <liupeibao@...ngson.cn>, wanghongliang@...ngson.cn,
        loongson-kernel@...ts.loongnix.cn, zhuyinbo@...ngson.cn
Subject: Re: [PATCH v13 1/2] dt-bindings: clock: add loongson-2 boot clock
 index


在 2023/3/8 下午6:38, Krzysztof Kozlowski 写道:
> On 08/03/2023 10:24, zhuyinbo wrote:
>>>>> That's an ABI break and commit msg does not explain it.
>>>> you meaning is that need add a explanation in commit msg that why
>>> You need good explanation to break the ABI. I don't understand the
>>> commit msg, but anyway I could not find there justification for ABI
>>> break. If you do not have good justification, don't break the ABI,
>> The commit msg is the patch commit  log,  and I maybe not got it about
>> break the ABI.  You said about "break the ABI"
>>
>> is whether is location issue about "LOONGSON2_BOOT_CLK"?   if yes,   the
>> LOONGSON2_BOOT_CLK was placed
>>
>> after LOONGSON2_PIX1_PLL that is due to their clock parent is same.
>> and I whether need add this explanation
>>
>> in patch commit log description?
> Unfortunately I do not understand single thing from this.
>
> Best regards,
> Krzysztof

The patch commit log description is patch desription.  as follows:


commit 592bc2b4106d787ea166ba16bfde6b3101ab1a8a
Author: Yinbo Zhu <zhuyinbo@...ngson.cn>
Date:   Tue Mar 7 17:18:32 2023 +0800

     dt-bindings: clock: add loongson-2 boot clock index

     The Loongson-2 boot clock was used to spi and lio peripheral and
     this patch was to add boot clock index number.


and your advice is "That's an ABI break and commit msg does not explain it."

I got it  from your advice that was to add a explanation about 
LOONGSON2_BOOT_CLK's

location issue in patch description, right?