[PATCH v1 02/10] ufs: host: mediatek: Correct clock scaling with PM QoS flow

Peter Wang (王信友) peter.wang at mediatek.com
Fri Sep 19 01:11:56 PDT 2025


On Thu, 2025-09-18 at 11:30 -0700, Bart Van Assche wrote:
> On 9/18/25 3:36 AM, peter.wang at mediatek.com wrote:
> > Correct clock scaling with PM QoS during suspend and resume.
> > Ensure PM QoS is released during suspend if scaling up and
> > re-applied after resume. This prevents performance issues
> > and maintains proper power management.
> 
> Is this issue related in any way to the MediaTek UFS host driver? If
> not, please change this patch into a patch for the UFS core driver
> such
> that this issue is fixed for all UFS host drivers at once.
> 
> Thanks,
> 
> Bart.


Hi Bart,

Yes, this is a MediaTek-specific test which disables clock scaling
and keeps the power mode in high gear.
So, I don't think this patch should be applied to the ufshcd core.

Thanks.
Peter


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