linux-kernel - Re: [PATCH v3 5/8] scsi: ufs: core: Enable multi-level gear scaling

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Message-ID: <062a1d50bacc21708fa1738022d9127214049a5a.camel@gmail.com>
Date: Wed, 05 Feb 2025 21:01:31 +0100
From: Bean Huo <huobean@...il.com>
To: Ziqi Chen <quic_ziqichen@...cinc.com>, quic_cang@...cinc.com, 
 bvanassche@....org, mani@...nel.org, beanhuo@...ron.com,
 avri.altman@....com,  junwoo80.lee@...sung.com, martin.petersen@...cle.com,
 quic_nguyenb@...cinc.com,  quic_nitirawa@...cinc.com,
 quic_rampraka@...cinc.com
Cc: linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org, Alim Akhtar
 <alim.akhtar@...sung.com>, "James E.J. Bottomley"
 <James.Bottomley@...senPartnership.com>, Peter Wang
 <peter.wang@...iatek.com>,  Manivannan Sadhasivam
 <manivannan.sadhasivam@...aro.org>, Andrew Halaney <ahalaney@...hat.com>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 5/8] scsi: ufs: core: Enable multi-level gear scaling

On Mon, 2025-02-03 at 16:11 +0800, Ziqi Chen wrote:
> From: Can Guo <quic_cang@...cinc.com>
> 
> With OPP V2 enabled, devfreq can scale clocks amongst multiple
> frequency
> plans. However, the gear speed is only toggled between min and max
> during
> clock scaling. Enable multi-level gear scaling by mapping clock
> frequencies
> to gear speeds, so that when devfreq scales clock frequencies we can
> put
> the UFS link at the appropraite gear speeds accordingly.
		       appropraite->appropriate

Reviewed-by: Bean Huo <beanhuo@...ron.com>