From: Krzysztof Kozlowski <krzk@kernel.org>
To: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>,
Bart Van Assche <bvanassche@acm.org>,
alim.akhtar@samsung.com, avri.altman@wdc.com, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, mani@kernel.org,
James.Bottomley@HansenPartnership.com,
martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH V3 1/4] ufs: dt-bindings: Document gear and rate limit properties
Date: Thu, 28 Aug 2025 19:41:15 +0200 [thread overview]
Message-ID: <e0c1be1e-ee98-4de4-8470-e272e2093205@kernel.org> (raw)
In-Reply-To: <03402267-3953-462b-9e3f-b0053a9cdcd8@quicinc.com>
On 28/08/2025 18:25, Ram Kumar Dwivedi wrote:
>
>
> On 26-Aug-25 9:05 PM, Bart Van Assche wrote:
>> On 8/26/25 8:08 AM, Ram Kumar Dwivedi wrote:
>>> + limit-hs-gear:
>>> + $ref: /schemas/types.yaml#/definitions/uint32
>>> + minimum: 1
>>> + maximum: 5
>>> + default: 5
>>> + description:
>>> + Restricts the maximum HS gear used in both TX and RX directions,
>>> + typically for hardware or power constraints in automotive use cases.
>>
>> The UFSHCI 5.0 spec will add gear 6 soon. So why to restrict the maximum
>> gear to 5?
>
> Hi Bart,
>
> Thanks for the suggestion. I limited it to Gear 5 based on current upstream support.
Upstream of what? Bindings describe hardware.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-08-28 17:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-26 15:08 [PATCH V3 0/4] Add DT-based gear and rate limiting support Ram Kumar Dwivedi
2025-08-26 15:08 ` [PATCH V3 1/4] ufs: dt-bindings: Document gear and rate limit properties Ram Kumar Dwivedi
2025-08-26 15:35 ` Bart Van Assche
2025-08-28 16:25 ` Ram Kumar Dwivedi
2025-08-28 17:41 ` Krzysztof Kozlowski [this message]
2025-08-28 16:45 ` Ram Kumar Dwivedi
2025-08-28 17:22 ` Bart Van Assche
2025-09-01 4:07 ` Manivannan Sadhasivam
2025-09-01 16:01 ` Ram Kumar Dwivedi
2025-08-28 17:41 ` Krzysztof Kozlowski
2025-08-28 17:40 ` Krzysztof Kozlowski
2025-08-28 18:27 ` Bart Van Assche
2025-08-26 15:08 ` [PATCH V3 2/4] ufs: ufs-qcom: Remove redundant re-assignment to hs_rate Ram Kumar Dwivedi
2025-08-26 15:08 ` [PATCH V3 3/4] ufs: pltfrm: Allow limiting HS gear and rate via DT Ram Kumar Dwivedi
2025-08-26 15:08 ` [PATCH V3 4/4] ufs: ufs-qcom: Add support for limiting HS gear and rate Ram Kumar Dwivedi
2025-08-26 15:37 ` Bart Van Assche
2025-08-28 16:28 ` Ram Kumar Dwivedi
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