linux-kernel - Re: [PATCH V1 2/3] arm64: dts: qcom: sm8650: Enable MCQ support for UFS controller

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Message-ID: <6580fe88-721a-4d78-baef-514de681d072@quicinc.com>
Date: Wed, 30 Jul 2025 16:00:49 +0530
From: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, <mani@...nel.org>,
        <alim.akhtar@...sung.com>, <avri.altman@....com>, <bvanassche@....org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <andersson@...nel.org>, <konradybcio@...nel.org>, <agross@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V1 2/3] arm64: dts: qcom: sm8650: Enable MCQ support for
 UFS controller



On 30-Jul-25 2:42 PM, Krzysztof Kozlowski wrote:
> On 30/07/2025 10:22, Ram Kumar Dwivedi wrote:
>> Enable Multi-Circular Queue (MCQ) support for the UFS host controller
>> on the Qualcomm SM8650 platform by updating the device tree node. This
>> includes adding new register regions and specifying the MSI parent
>> required for MCQ operation.
>>
>> MCQ is a modern queuing model for UFS that improves performance and
>> scalability by allowing multiple hardware queues. 
>>
>> Changes:
>> - Add reg entries for mcq_sqd and mcq_vs regions.
>> - Define reg-names for the new regions.
>> - Specify msi-parent for interrupt routing.
> 
> 
> We see that from the diff. Drop redundant description, your first
> paragraph already said this.
> 
> Best regards,
> Krzysztof


Hi Krzysztof,

I will update it in the next patchset.

Thanks,
Ram.