Re: [PATCH 0/2] dt-bindings: ufs: qcom: Split SC7280 and similar into separate file

[Krzysztof Kozlowski]

On 31/07/2025 16:09, Manivannan Sadhasivam wrote:
> On Thu, Jul 31, 2025 at 09:04:48AM GMT, Krzysztof Kozlowski wrote:
>> On 31/07/2025 08:59, Nitin Rawat wrote:
>>>> Hm?
>>>>
>>>>>
>>>>> For reference, only SM8650 and SM8750 currently support MCQ, though more
>>>>> targets may be added later.
>>>>
>>>> Are you sure? Are you claiming that SM8550 hardware does not support MCQ?
>>>
>>> Offcourse I can say that because I am working on Qualcomm UFS Driver.
>>
>> Qualcomm sent many patches which were not related to hardware at all,
>> just based on drivers, so my question is completely valid based on
>> previous experience with Qualcomm.
>>
> 
> SM8550 indeed doesn't support MCQ. Even though it is based on UFSHCD 4.x, it
> doesn't support MCQ due to hardware design. MCQ support only starts from SM8650.

Yeah, I checked later in datasheets and programming guide. That's why I
sent v2 and marked it in Patchwork as changes-requested.

Best regards,
Krzysztof