linux-kernel - Re: [PATCH V3 4/5] arm64: dts: qcom: sm8650: Enable MCQ support for UFS controller

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Message-ID: <34aqaxgkykyhenrjfj3vrarin2c3uebgfaya7rxi7d5p5skhom@ie4gitcw36mr>
Date: Fri, 29 Aug 2025 21:48:25 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>, andersson@...nel.org, 
	konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	James.Bottomley@...senpartnership.com, martin.petersen@...cle.com, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH V3 4/5] arm64: dts: qcom: sm8650: Enable MCQ support for
 UFS controller

On Thu, Aug 21, 2025 at 01:49:36PM GMT, Krzysztof Kozlowski wrote:
> On 21/08/2025 13:24, 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 region for MCQ and specifying the MSI parent
> > required for MCQ operation.
> > 
> > Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
> > ---
> >  arch/arm64/boot/dts/qcom/sm8650.dtsi | 7 ++++++-
> 
> I don't understand why you combine DTS patch into UFS patchset. This
> creates impression of dependent work, which would be a trouble for merging.
> 

What trouble? Even if the DTS depends on the driver/bindings change, can't it
still go through a different tree for the same cycle? It happened previously as
well, unless the rule changed now.

- Mani

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