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Message-ID: <9974cf1d-6929-4c7f-8472-fd19c7a40b12@quicinc.com>
Date: Wed, 7 May 2025 20:34:47 +0530
From: Nitin Rawat <quic_nitirawa@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, <alim.akhtar@...sung.com>,
        <avri.altman@....com>, <bvanassche@....org>, <krzk+dt@...nel.org>,
        <robh@...nel.org>, <mani@...nel.org>, <conor+dt@...nel.org>,
        <James.Bottomley@...senPartnership.com>, <martin.petersen@...cle.com>,
        <beanhuo@...ron.com>, <peter.wang@...iatek.com>
CC: <linux-arm-msm@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH V2 1/3] scsi: ufs: dt-bindings: Document UFS Disable LPM
 property



On 5/6/2025 11:46 PM, Krzysztof Kozlowski wrote:
> On 06/05/2025 18:37, Nitin Rawat wrote:
>> Disable UFS low power mode on emulation FPGA platforms or other platforms
> 
> Why wouldn't you like to test LPM also on FPGA designs? I do not see
> here correlation.

Hi Krzysztof,

Since the FPGA platform doesn't support UFS Low Power Modes (such as the 
AutoHibern8 feature specified in the UFS specification), I have included 
this information in the hardware description (i.e dts).

Thanks,
Nitin

> 
>> where it is either unsupported or power efficiency is not a critical
>> requirement.
> 
> That's a policy, not hardware, thus not suitable for DT.
> 
> Best regards,
> Krzysztof


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