linux-kernel - RE: [PATCH V6 1/4] ufs: dt-bindings: Document gear and rate limit properties

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Message-ID: <06fb01dc285b$9fb00440$df100cc0$@samsung.com>
Date: Thu, 18 Sep 2025 10:48:04 +0530
From: "Alim Akhtar" <alim.akhtar@...sung.com>
To: "'Ram Kumar Dwivedi'" <quic_rdwivedi@...cinc.com>,
	<avri.altman@....com>, <bvanassche@....org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <mani@...nel.org>,
	<James.Bottomley@...senPartnership.com>, <martin.petersen@...cle.com>
Cc: <linux-scsi@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>, "'Krzysztof
 Kozlowski'" <krzysztof.kozlowski@...aro.org>
Subject: RE: [PATCH V6 1/4] ufs: dt-bindings: Document gear and rate limit
 properties



> -----Original Message-----
> From: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
> Sent: Wednesday, September 17, 2025 7:40 PM
> To: alim.akhtar@...sung.com; avri.altman@....com; bvanassche@....org;
> robh@...nel.org; krzk+dt@...nel.org; conor+dt@...nel.org; mani@...nel.org;
> James.Bottomley@...senPartnership.com; martin.petersen@...cle.com
> Cc: linux-scsi@...r.kernel.org; devicetree@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-arm-msm@...r.kernel.org; Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org>
> Subject: [PATCH V6 1/4] ufs: dt-bindings: Document gear and rate limit
> properties
> 
> Add optional "limit-hs-gear" and "limit-rate" properties to the UFS
controller
> common binding. These properties allow limiting the maximum HS gear and
rate.
> 
> This is useful in cases where the customer board may have signal
integrity, clock
> configuration or layout issues that prevent reliable operation at higher
gears.
> Such limitations are especially critical in those platforms, where
stability is
> prioritized over peak performance.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
> ---
Thanks!
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>