linux-kernel - Re: [PATCH v3 0/4] scsi: ufs: qcom: Suspend fixes

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Message-ID: <173585773702.369835.2709540698524341995.b4-ty@oracle.com>
Date: Thu,  2 Jan 2025 17:46:56 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Alim Akhtar <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Abel Vesa <abel.vesa@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, Amit Pundir <amit.pundir@...aro.org>,
        Nitin Rawat <quic_nitirawa@...cinc.com>, stable@...r.kernel.org,
        Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
Subject: Re: [PATCH v3 0/4] scsi: ufs: qcom: Suspend fixes

On Thu, 19 Dec 2024 22:20:40 +0530, Manivannan Sadhasivam wrote:

> This series fixes the several suspend issues on Qcom platforms. Patch 1 fixes
> the resume failure with spm_lvl=5 suspend on most of the Qcom platforms. For
> this patch, I couldn't figure out the exact commit that caused the issue. So I
> used the commit that introduced reinit support as a placeholder.
> 
> Patch 4 fixes the suspend issue on SM8550 and SM8650 platforms where UFS
> PHY retention is not supported. Hence the default spm_lvl=3 suspend fails. So
> this patch configures spm_lvl=5 as the default suspend level to force UFSHC/
> device powerdown during suspend. This supersedes the previous series [1] that
> tried to fix the issue in clock drivers.
> 
> [...]

Applied to 6.13/scsi-fixes, thanks!

[1/4] scsi: ufs: qcom: Power off the PHY if it was already powered on in ufs_qcom_power_up_sequence()
      https://git.kernel.org/mkp/scsi/c/7bac65687510
[2/4] scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers
      https://git.kernel.org/mkp/scsi/c/bb9850704c04
[3/4] scsi: ufs: qcom: Allow passing platform specific OF data
      https://git.kernel.org/mkp/scsi/c/4f78a56af4c4
[4/4] scsi: ufs: qcom: Power down the controller/device during system suspend for SM8550/SM8650 SoCs
      https://git.kernel.org/mkp/scsi/c/3b2f56860b05

-- 
Martin K. Petersen	Oracle Linux Engineering