linux-kernel - Re: [PATCH v9 3/3] arm64: dts: qcom: sm8750: Add USB support for SM8750 QRD platform

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Message-ID: <a8046f0d-ee74-457a-aafa-6473c67c6ab8@oss.qualcomm.com>
Date: Wed, 29 Oct 2025 18:00:02 +0530
From: Krishna Kurapati PSSNV <krishna.kurapati@....qualcomm.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Wesley Cheng <wesley.cheng@....qualcomm.com>
Subject: Re: [PATCH v9 3/3] arm64: dts: qcom: sm8750: Add USB support for
 SM8750 QRD platform



On 10/29/2025 5:35 PM, Krzysztof Kozlowski wrote:
> On 29/10/2025 12:42, Krishna Kurapati PSSNV wrote:
>>
>>
>> On 10/29/2025 1:37 PM, Krzysztof Kozlowski wrote:
>>> On 24/10/2025 17:15, Krishna Kurapati wrote:
>>>> From: Wesley Cheng <wesley.cheng@....qualcomm.com>
>>>>
>>>> Enable USB support on SM8750 QRD variant.  The current definition
>>>> will start the USB controller in peripheral mode by default until
>>>> dependencies are added, such as USB role detection.
>>>>
>>>> Signed-off-by: Wesley Cheng <wesley.cheng@....qualcomm.com>
>>>> [Krishna: Flattened usb node QRD DTS]
>>>> Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
>>>
>>> NAK.
>>>
>>> You ignored every previous tag - multiple reviews and tests, and then...
>>>
>>>> ---
>>>>    arch/arm64/boot/dts/qcom/sm8750-qrd.dts | 22 ++++++++++++++++++++++
>>>>    1 file changed, 22 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8750-qrd.dts b/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
>>>> index 13c7b9664c89..fc5d12bb41a5 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
>>>> @@ -1054,3 +1054,25 @@ &ufs_mem_hc {
>>>>    
>>>>    	status = "okay";
>>>>    };
>>>> +
>>>> +&usb_1 {
>>>> +	dr_mode = "peripheral";
>>>
>>> You sent something different with issues.
>>>
>>> Really, this was a correct patch. Was reviewed. Why you decided to drop
>>> all this, drop everything which was correct?
>>>
>>> Your explanation:
>>> "- Removed obtained RB tags since the code has changed significantly."
>>> is just wrong. Almost NOTHING changed, except completely unimportant two
>>> node merging.
>>>
>>> NAK
>>>
>>
>>
>> Apologies Krzysztof,
>>
>> On first patch that adds changes to base DTSI, there were changes moving
>> to newer bindings and merging child node and parent node. I should've
>> removed RB tags received on that patch only. But I was over cautious and
>> misinterpreted the rules and removed them on the other patches as well.
>> Will be careful the next time.
>>
>> Also is there any issue with marking dr_mode as peripheral here in usb_1
>> node ?
> 
> No, I think I looked at your other patch. Tthis was reviewed at v4 and
> v5, which then it was changed breaking sorting order. This one looks
> correct.
> 

Ok.

I will send v10 tomorrow. Can I add yours and Dmitry's RB tag on the MTP 
and QRD patches and then send it ? I will implement feedback from Dmitry 
on SOC dtsi patch in v10.

Regards,
Krishna,