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Message-ID: <20250903-sincere-brass-rhino-19f61a@kuoka>
Date: Wed, 3 Sep 2025 08:44:33 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
Cc: 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, linux-scsi@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V5 1/4] ufs: dt-bindings: Document gear and rate limit
properties
On Tue, Sep 02, 2025 at 10:18:57PM +0530, Ram Kumar Dwivedi wrote:
> 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.
>
> Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@...cinc.com>
> ---
> .../devicetree/bindings/ufs/ufs-common.yaml | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Best regards,
Krzysztof
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