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Message-ID: <8fc499cf-fca1-4465-bff7-a93dfd36f3c8@arm.com>
Date:   Tue, 12 Dec 2023 19:50:44 +0100
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Subject: Re: [PATCH v5 22/23] PM: EM: Add em_dev_compute_costs() as API for
 device drivers
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To:     Lukasz Luba <lukasz.luba@arm.com>, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, rafael@kernel.org
Cc:     rui.zhang@intel.com, amit.kucheria@verdurent.com,
        amit.kachhap@gmail.com, daniel.lezcano@linaro.org,
        viresh.kumar@linaro.org, len.brown@intel.com, pavel@ucw.cz,
        mhiramat@kernel.org, qyousef@layalina.io, wvw@google.com
References: <20231129110853.94344-1-lukasz.luba@arm.com>
 <20231129110853.94344-23-lukasz.luba@arm.com>
From:   Dietmar Eggemann <dietmar.eggemann@arm.com>
In-Reply-To: <20231129110853.94344-23-lukasz.luba@arm.com>
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On 29/11/2023 12:08, Lukasz Luba wrote:
> The device drivers can modify EM at runtime by providing a new EM table.
> The EM is used by the EAS and the em_perf_state::cost stores
> pre-calculated value to avoid overhead. This patch provides the API for
> device drivers to calculate the cost values properly (and not duplicate
> the same code).

New interface w/o any users? Can we not remove this from this patch-set
and introduce it with the first user(s)?

[...]