From: Jun Guo <jun.guo@cixtech.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
peter.chen@cixtech.com, fugang.duan@cixtech.com, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, vkoul@kernel.org,
ychuang3@nuvoton.com, schung@nuvoton.com, robin.murphy@arm.com
Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, cix-kernel-upstream@cixtech.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] dt-bindings: dma: arm-dma350: update DT binding docs
Date: Mon, 17 Nov 2025 20:51:59 +0800 [thread overview]
Message-ID: <08142bd3-4a17-4c4f-88ff-fd81e9941a18@cixtech.com> (raw)
In-Reply-To: <62b59d52-7107-4426-b922-812d343195db@kernel.org>
On 11/17/2025 3:13 PM, Krzysztof Kozlowski wrote:
> EXTERNAL EMAIL
>
> On 17/11/2025 08:11, Krzysztof Kozlowski wrote:
>> On 17/11/2025 08:07, Jun Guo wrote:
>>>
>>> On 11/17/2025 2:11 PM, Krzysztof Kozlowski wrote:
>>>> On 17/11/2025 02:59, Jun Guo wrote:
>>>>> - Add new compatible strings to the DT binding documents to support
>>>> This is not a list.
>>>>
>>>> Also, subject is completely redundant. Everything is an update. Why are
>>>> you repeating DT binding docs?
>>>>
>>> Thank you. I will incorporate your feedback in the next version.>> cix
>>> sky1 SoC.
>>>>>
>>>>> Signed-off-by: Jun Guo<jun.guo@cixtech.com>
>>>>> ---
>>>> You just broke all existing platforms. Please test your code properly.
>>> The patch includes proper checks. Since this platform is the first user
>>
>> Nah, tests are here incomplete - look at the binding and DTS users...
>> nothing there, so you cannot test it.
>>
>>> of the driver in the current codebase, the change won't affect other
>>> platforms.
>>
>> NAK, and you keep pushing... I just told you it will break everyone,
>> which is obvious from the diff.
>
> But if that was intentional change of ABI, then could be fine, but you
> must provide in commit msg proper detailed rationale WHY you are
> changing ABI and WHAT is the ABI impact of that change.
>
I'm not entirely sure if I fully grasped your point, but I also
identified the potential issue. I've reworked the patch to accommodate
both the default DTS case with a single compatible string and the
scenario where platform-specific compatible strings need to be added.
Could you please review it again and confirm if this aligns with your
intent?
properties:
compatible:
contains:
enum:
- cix,sky1-dma-350
- arm,dma-350
Best regards,
Jun
next prev parent reply other threads:[~2025-11-17 12:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 1:59 [PATCH 0/3] dmaengine: arm-dma350: add support for shared interrupt mode Jun Guo
2025-11-17 1:59 ` [PATCH 1/3] dt-bindings: dma: arm-dma350: update DT binding docs Jun Guo
2025-11-17 6:11 ` Krzysztof Kozlowski
2025-11-17 7:07 ` Jun Guo
2025-11-17 7:11 ` Krzysztof Kozlowski
2025-11-17 7:13 ` Krzysztof Kozlowski
2025-11-17 12:51 ` Jun Guo [this message]
2025-11-17 13:29 ` Krzysztof Kozlowski
2025-11-18 1:37 ` Jun Guo
2025-11-17 1:59 ` [PATCH 2/3] dma: arm-dma350: add support for shared interrupt mode Jun Guo
2025-11-17 6:13 ` Krzysztof Kozlowski
2025-11-17 7:18 ` Jun Guo
2025-11-17 11:37 ` Jun Guo
2025-11-17 11:44 ` Krzysztof Kozlowski
2025-11-17 11:52 ` Jun Guo
2025-11-17 11:32 ` Robin Murphy
2025-11-17 11:57 ` Jun Guo
2025-11-17 1:59 ` [PATCH 3/3] arm64: dts: cix: add DT nodes for DMA Jun Guo
2025-11-17 6:14 ` Krzysztof Kozlowski
2025-11-17 7:08 ` Jun Guo
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