linux-kernel - Re: [PATCH v3 1/4] PM / EM: Add a flag indicating units of power values in Energy Model

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Date:   Mon, 2 Nov 2020 13:43:23 +0000
From:   Quentin Perret <qperret@...gle.com>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, robh+dt@...nel.org,
        amitk@...nel.org, corbet@....net, daniel.lezcano@...aro.org,
        Dietmar.Eggemann@....com, morten.rasmussen@....com,
        dianders@...omium.org, mka@...omium.org, rnayak@...eaurora.org,
        rafael@...nel.org, sudeep.holla@....com, viresh.kumar@...aro.org,
        sboyd@...nel.org, nm@...com
Subject: Re: [PATCH v3 1/4] PM / EM: Add a flag indicating units of power
 values in Energy Model

On Monday 19 Oct 2020 at 15:05:58 (+0100), Lukasz Luba wrote:
> diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
> index b67a51c574b9..2c31d79bb922 100644
> --- a/include/linux/energy_model.h
> +++ b/include/linux/energy_model.h
> @@ -29,6 +29,8 @@ struct em_perf_state {
>   * em_perf_domain - Performance domain
>   * @table:		List of performance states, in ascending order
>   * @nr_perf_states:	Number of performance states
> + * @milliwatts:		Flag indicating the power values are in milli-Watts
> + *			or some other scale.
>   * @cpus:		Cpumask covering the CPUs of the domain. It's here
>   *			for performance reasons to avoid potential cache
>   *			misses during energy calculations in the scheduler
> @@ -43,6 +45,7 @@ struct em_perf_state {
>  struct em_perf_domain {
>  	struct em_perf_state *table;
>  	int nr_perf_states;
> +	bool milliwatts;
>  	unsigned long cpus[];
>  };

Make that an int please, sizeof(bool) is impdef.

With that:

Reviewed-by: Quentin Perret <qperret@...gle.com>