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

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Message-ID: <0c348361-6c6d-46c5-8cc7-d553c389a280@quicinc.com>
Date: Thu, 6 Feb 2025 15:56:00 +0800
From: Ziqi Chen <quic_ziqichen@...cinc.com>
To: Bean Huo <huobean@...il.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 2/6/2025 4:01 AM, Bean Huo wrote:
> 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>

Thanks Bean~

-Ziqi