[PATCH 4/4] cpufreq: mediatek: add platform data and clean up voltage tracking logic

Krzysztof Kozlowski krzysztof.kozlowski at canonical.com
Mon Mar 7 11:03:55 PST 2022


On 07/03/2022 13:21, Tim Chang wrote:
> 1. add required header files and remove unnecessary header files.
> 2. some soc needs different min/max voltage shift and voltage tracking
>    attributes. make these variables into platform data to support
>    future soc.
> 3. add need_voltage_tracking variable to platforma data. if true, it
>    indicates soc is required to realize the voltage tracking between
>    voltage of sram and voltage of cpu by software approach. otherwise,
>    the voltage tracking is realized by hardware approach.
> 4. add opp frequency look-up function as mtk_cpufreq_get() and
>    registered in cpufreq framework.
> 5. update voltage_tracking() logic and drv_init(). in drv_init(), it
>    always sets highest opp voltage before return. it could prevent from
>    high-freqeuncy-low-voltage issue if two or more clients using the
>    same regulator.

One change at a time.

> 
> Signed-off-by: Jia-Wei Chang <jia-wei.chang at mediatek.corp-partner.google.com>

Your SoB does not match from field.

Best regards,
Krzysztof



More information about the linux-arm-kernel mailing list