linux-kernel - Re: [PATCH V5 0/4] ufs: ufs-qcom: Add support firmware managed platforms

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Message-ID: <yq1pl6zyaej.fsf@ca-mkp.ca.oracle.com>
Date: Fri, 23 Jan 2026 22:09:23 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Ram Kumar Dwivedi <ram.dwivedi@....qualcomm.com>
Cc: mani@...nel.org, alim.akhtar@...sung.com, avri.altman@....com,
        bvanassche@....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,
        linux-scsi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 0/4] ufs: ufs-qcom: Add support firmware managed
 platforms


Ram,

> On Qualcomm automotive SoC SA8255P, platform resource like clocks,
> interconnect, resets, regulators and PHY are configured remotely by
> firmware.
>
> Logical power domain is used to abstract these resources in firmware
> and SCMI power protocol is used to request resource operations by
> using runtime PM framework APIs such as pm_runtime_get/put_sync to
> invoke power_on/_off calls from kernel respectively.

Applied to 6.20/scsi-staging, thanks!

-- 
Martin K. Petersen