From: Krzysztof Kozlowski <krzk@kernel.org>
To: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Cc: mani@kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com,
bvanassche@acm.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, andersson@kernel.org,
konradybcio@kernel.org, agross@kernel.org,
James.Bottomley@hansenpartnership.com,
martin.petersen@oracle.com, linux-arm-msm@vger.kernel.org,
linux-scsi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 1/4] ufs: dt-bindings: Document gear and rate limit properties
Date: Sun, 24 Aug 2025 11:29:18 +0200 [thread overview]
Message-ID: <20250824-elated-granite-leopard-5633c7@kuoka> (raw)
In-Reply-To: <20250821101609.20235-2-quic_rdwivedi@quicinc.com>
On Thu, Aug 21, 2025 at 03:46:06PM +0530, Ram Kumar Dwivedi wrote:
> + limit-hs-gear:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + minimum: 1
> + maximum: 5
default:
> + description:
> + Restricts the maximum HS gear used in both TX and RX directions,
> + typically for hardware or power constraints in automotive use cases.
> +
> + limit-rate:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [1, 2]
default:
> + description:
> + Restricts the UFS controller to Rate A (1) or Rate B (2) for both
Is 1 and 2 known in UFS spec? Feels like you wanted here string for 'a'
and 'b'.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-08-24 9:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 10:16 [PATCH V2 0/4] Add DT-based gear and rate limiting support Ram Kumar Dwivedi
2025-08-21 10:16 ` [PATCH V2 1/4] ufs: dt-bindings: Document gear and rate limit properties Ram Kumar Dwivedi
2025-08-24 9:29 ` Krzysztof Kozlowski [this message]
2025-08-26 14:53 ` Ram Kumar Dwivedi
2025-08-21 10:16 ` [PATCH V2 2/4] ufs: ufs-qcom: Remove redundant re-assignment to hs_rate Ram Kumar Dwivedi
2025-08-21 10:16 ` [PATCH V2 3/4] ufs: pltfrm: Allow limiting HS gear and rate via DT Ram Kumar Dwivedi
2025-08-21 10:16 ` [PATCH V2 4/4] ufs: ufs-qcom: Add support for limiting HS gear and rate Ram Kumar Dwivedi
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