linux-kernel - Re: [RESEND][PATCH v2 1/4] OPP: OF: Export dev_opp_pm_calc

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Message-ID: <20240326025147.qgfl5buiobfqfghj@vireshk-i7>
Date: Tue, 26 Mar 2024 08:21:47 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Lukasz Luba <lukasz.luba@....com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	dietmar.eggemann@....com, linux-arm-kernel@...ts.infradead.org,
	sboyd@...nel.org, nm@...com, linux-samsung-soc@...r.kernel.org,
	daniel.lezcano@...aro.org, rafael@...nel.org,
	krzysztof.kozlowski@...aro.org, alim.akhtar@...sung.com,
	m.szyprowski@...sung.com, mhiramat@...nel.org
Subject: Re: [RESEND][PATCH v2 1/4] OPP: OF: Export dev_opp_pm_calc_power()
 for usage from EM

On 22-03-24, 11:08, Lukasz Luba wrote:
> There are device drivers which can modify voltage values for OPPs. It
> could be due to the chip binning and those drivers have specific chip
> knowledge about it. This adjustment can happen after Energy Model is
> registered, thus EM can have stale data about power.
> 
> Export dev_opp_pm_calc_power() which can be used by Energy Model to
> calculate new power with the new voltage for OPPs.
> 
> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
> ---
>  drivers/opp/of.c       | 17 ++++++++++++-----
>  include/linux/pm_opp.h |  8 ++++++++
>  2 files changed, 20 insertions(+), 5 deletions(-)

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh