linux-kernel - Re: [PATCH v5 0/8] Support Multi-frequency scale for UFS

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Message-ID: <174044345145.2973737.15116992944360697674.b4-ty@oracle.com>
Date: Mon, 24 Feb 2025 19:32:49 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: quic_cang@...cinc.com, bvanassche@....org, mani@...nel.org,
        beanhuo@...ron.com, avri.altman@....com, junwoo80.lee@...sung.com,
        quic_nguyenb@...cinc.com, quic_nitirawa@...cinc.com,
        peter.wang@...iatek.com, quic_rampraka@...cinc.com,
        Ziqi Chen <quic_ziqichen@...cinc.com>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v5 0/8] Support Multi-frequency scale for UFS

On Thu, 13 Feb 2025 16:00:00 +0800, Ziqi Chen wrote:

> 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.
> 
> This series has been tested on below platforms -
> sm8550 mtp + UFS3.1
> SM8650 MTP + UFS3.1
> SM8750 MTP + UFS4.0
> 
> [...]

Applied to 6.15/scsi-queue, thanks!

[1/8] scsi: ufs: core: Pass target_freq to clk_scale_notify() vop
      https://git.kernel.org/mkp/scsi/c/5e011fcc7d16
[2/8] scsi: ufs: qcom: Pass target_freq to clk scale pre and post change
      https://git.kernel.org/mkp/scsi/c/367a0f017c61
[3/8] scsi: ufs: core: Add a vop to map clock frequency to gear speed
      https://git.kernel.org/mkp/scsi/c/d7bead60b08e
[4/8] scsi: ufs: qcom: Implement the freq_to_gear_speed() vop
      https://git.kernel.org/mkp/scsi/c/c02fe9e222d1
[5/8] scsi: ufs: core: Enable multi-level gear scaling
      https://git.kernel.org/mkp/scsi/c/129b44c27c8a
[6/8] scsi: ufs: core: Check if scaling up is required when disable clkscale
      https://git.kernel.org/mkp/scsi/c/eff26ad4c34f
[7/8] scsi: ufs: core: Toggle Write Booster during clock scaling base on gear speed
      https://git.kernel.org/mkp/scsi/c/2a25cbaa81d2
[8/8] ABI: sysfs-driver-ufs: Add missing UFS sysfs attributes
      https://git.kernel.org/mkp/scsi/c/6d7696b4d447

-- 
Martin K. Petersen	Oracle Linux Engineering