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SubjectRe: [PATCH v6 51/52] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree
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01.11.2020 18:44, Chanwoo Choi пишет:
>>> I recommend that you use dev_pm_opp_of_get_opp_desc_node(&pdev->dev)
>>> to check whether a device contains opp-table or not.
>> I'm not sure what are the benefits, this will make code less
>> expressive/readable and we will need to add extra of_node_put(), which
>> device_property_present() handles for us.
>>
>> Could you please give the rationale?
> IMO, 'operating-points-v2' word was defined on OPP core. I think that
> the external user
> of OPP better to use the public helper function instead of using the
> interval definition
> or value of OPP core directly. Basically, I prefer the provided helper
> function if there.
> But, it is not critical and doesn't affect the operation. If you want
> to keep, it is ok.
>

I'll prefer to keep it since it's better for the readability of the
code, thanks.

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