[PATCH v1 02/10] ufs: host: mediatek: Correct clock scaling with PM QoS flow
Peter Wang (王信友)
peter.wang at mediatek.com
Mon Sep 22 22:58:31 PDT 2025
On Mon, 2025-09-22 at 12:21 -0700, Bart Van Assche wrote:
>
> Hi Peter,
>
> Thanks for the clarification, this is appreciated.
>
> However, the following is not yet clear to me:
> (1) Why this change is necessary.
>
Hi Bart,
Because if mediatek disable clock scaling (clk_scaling.is_enabled = 0)
and keep in high gear, the performance will drop after resume.
> (2) Why this change has been implemented in the MediaTek driver
> instead
> of the UFS core.
>
Because I’m not sure if other platforms might have such special use
cases
—supporting clock scaling but then disabling it.
Thanks
Peter
> Thanks,
>
> Bart.
>
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