Re: [PATCH V5 1/4] ufs: dt-bindings: Document gear and rate limit properties
From: Ram Kumar Dwivedi
Date: Tue Sep 09 2025 - 10:59:14 EST
On 03-Sep-25 12:14 PM, Krzysztof Kozlowski wrote:
> 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@xxxxxxxxxxx>
>> ---
>> .../devicetree/bindings/ufs/ufs-common.yaml | 16 ++++++++++++++++
>> 1 file changed, 16 insertions(+)
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Hi Krzysztof,
Alim has recommended renaming the "limit-rate" property to "limit-gear-rate".
Please let me know if you have any concerns.
Also, may I retain your "Reviewed-by" tag in the next patchset?
Thanks,
Ram.>
> Best regards,
> Krzysztof
>