linux-kernel - Re: [PATCH v4 3/6] arm64: dts: qcom: qcs615: add ethernet node

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Message-ID: <b1eb2ed6-9743-465e-9b2e-75d5a06c1497@oss.qualcomm.com>
Date: Wed, 20 Aug 2025 16:57:38 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Andrew Lunn <andrew+netdev@...n.ch>,
        "David S. Miller"
 <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Richard Cochran <richardcochran@...il.com>
Cc: netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, stable+noautosel@...nel.org,
        Yijie Yang <quic_yijiyang@...cinc.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v4 3/6] arm64: dts: qcom: qcs615: add ethernet node



On 2025-08-19 17:08, Krzysztof Kozlowski wrote:
> On 19/08/2025 11:04, Yijie Yang wrote:
>>
>>
>> On 2025-08-19 15:15, Krzysztof Kozlowski wrote:
>>> On 19/08/2025 08:51, Yijie Yang wrote:
>>>>
>>>>
>>>> On 2025-08-19 14:44, Krzysztof Kozlowski wrote:
>>>>> On 19/08/2025 08:35, YijieYang wrote:
>>>>>> From: Yijie Yang <quic_yijiyang@...cinc.com>
>>>>>>
>>>>>> Add an ethernet controller node for QCS615 SoC to enable ethernet
>>>>>> functionality.
>>>>>>
>>>>>> Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
>>>>>> Signed-off-by: Yijie Yang <quic_yijiyang@...cinc.com>
>>>>>> ---
>>>>>
>>>>>
>>>>> Why do you mix up DTS and net-next patches? This only makes difficult to
>>>>> apply it, for no benefits.
>>>>
>>>> The DTS changes and driver code modifications work together to achieve a
>>>> single purpose, so I included them in one patch series. Should I
>>>> consider splitting them into two separate series?
>>> Of course yes. You are just making difficult to apply this. Patches are
>>> completely independent and even your internal guideline asks to NOT
>>> combine independent patches.
>>
>> The challenge with splitting this series lies in the fact that it
>> attempts to reverse the incorrect semantics of phy-mode in both the
>> driver code and the device tree. Selecting only part of the series would
>> break Ethernet functionality on both boards.
> 
> And where did you explain that? Anyway, you did not achieve your goal,
> because you broke the boards still.
> 
> Your patchset is not bisectable and does not follow standard submission
> guidelines. DTS is always independent, please read carefully the docs.

The approach I'm taking will inevitably make the series non-bisectable, 
but I'll clearly note this in the cover letter in the next revision.

> 
>>
>> As you can see, I’ve CC’d noautosel to prevent this issue. Given the
>> circumstances, I’m wondering if it would be acceptable to leave the
>> series as-is?
> 
> NAK. Sneaking DTS into net-next is not acceptable.

Okay, I’ll split this series in the next revision.

> 
> 
> Best regards,
> Krzysztof

-- 
Best Regards,
Yijie