From: Viresh Kumar <viresh.kumar@linaro.org>
To: Lukasz Luba <lukasz.luba@arm.com>
Cc: linux-kernel@vger.kernel.org, dietmar.eggemann@arm.com,
rafael@kernel.org, daniel.lezcano@linaro.org, nm@ti.com,
sboyd@kernel.org, mka@chromium.org, dianders@chromium.org,
robh+dt@kernel.org, devicetree@vger.kernel.org,
linux-pm@vger.kernel.org
Subject: Re: [PATCH v5 0/5] Introduce "opp-microwatt" and Energy Model from DT
Date: Thu, 3 Mar 2022 09:35:39 +0530 [thread overview]
Message-ID: <20220303040539.ocnslxyswnvua3o7@vireshk-i7> (raw)
In-Reply-To: <20220302112917.27270-1-lukasz.luba@arm.com>
On 02-03-22, 11:29, Lukasz Luba wrote:
> Hi all,
>
> This patch set solves a few issues:
> 1. It allows to register EM from DT, when the voltage information is not
> available. (Some background of the issues present on Chromebook devices
> can be checked at [1].)
> 2. It allows to register 'advanced' EM from the DT, which is more accurate
> and reflects total power (dynamic + static).
>
> Implementation details:
> Existing machinery in the OPP framework now handles "opp-microwatt", similarly
> to "opp-microamp". It also has helper exported function to get power from OPP.
> For the EM, it adds a new callback in OPP framework to use this new API and
> read power while having an opp pointer. It's agreed to work with OPP-v2.
>
> Comments, suggestions are very welcome.
>
> changelog:
> v5:
> - added dual-macro to conditionally setup needed callback and compile
> on !EM kernel gently
> - removed 'advanced' word from OPP patch header description
> v4 [2]
Applied. Thanks.
--
viresh
next prev parent reply other threads:[~2022-03-03 4:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-02 11:29 Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 1/5] dt-bindings: opp: Add "opp-microwatt" entry in the OPP Lukasz Luba
2022-03-02 17:45 ` Rob Herring
2022-03-02 17:46 ` Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 2/5] OPP: Add "opp-microwatt" supporting code Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 3/5] PM: EM: add macro to set .active_power() callback conditionally Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 4/5] OPP: Add support of "opp-microwatt" for EM registration Lukasz Luba
2022-03-02 11:29 ` [PATCH v5 5/5] Documentation: EM: Describe new registration method using DT Lukasz Luba
2022-03-03 4:05 ` Viresh Kumar [this message]
2022-03-03 6:57 ` [PATCH v5 0/5] Introduce "opp-microwatt" and Energy Model from DT Lukasz Luba
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