[PATCH V6 1/2] ufs: core: Add CPU latency QoS support for ufs driver

Bart Van Assche bvanassche at acm.org
Tue Dec 19 09:00:31 PST 2023


On 12/19/23 04:37, Maramaina Naresh wrote:
> Register ufs driver to CPU latency PM QoS framework to improve
> ufs device random io performance.
> 
> PM QoS initialization will insert new QoS request into the CPU
> latency QoS list with the maximum latency PM_QOS_DEFAULT_VALUE
> value.
> 
> UFS driver will vote for performance mode on scale up and power
> save mode for scale down.
> 
> If clock scaling feature is not enabled then voting will be based
> on clock on or off condition.

Reviewed-by: Bart Van Assche <bvanassche at acm.org>



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