From: Mark Brown <broonie@kernel.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Stephan Gerhold <stephan@gerhold.net>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Linux PM <linux-pm@vger.kernel.org>,
Dmitry Osipenko <digetx@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>,
Roja Rani Yarubandi <rojay@codeaurora.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rajendra Nayak <rnayak@codeaurora.org>
Subject: Re: [PATCH v2 4/4] PM: domains: Drop/restore performance state votes for devices at system PM
Date: Tue, 8 Jun 2021 15:20:19 +0100 [thread overview]
Message-ID: <20210608142019.GG4200@sirena.org.uk> (raw)
In-Reply-To: <CAPDyKFrvrikCZLX1EvmLZumeCnfAxUUssO2OWc130TG8oey=qw@mail.gmail.com>
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On Tue, Jun 08, 2021 at 04:08:55PM +0200, Ulf Hansson wrote:
> Honestly, I am not sure about what the regulator-fixed-domain intends
> to model, but I assume it's something that fits well to be modelled as
> a plain regulator, to start with.
> Perhaps Mark can chime in and spread some light over this?
IIRC it's for situations where there's a device that's normally built as
a separate chip that got built into a bigger SoC and wants to rear end
something onto a power domain, I guess especially if the power domain
doesn't cover the whole of a Linux device.
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next prev parent reply other threads:[~2021-06-08 14:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 9:34 [PATCH v2 0/4] PM: domains: Avoid boilerplate code for DVFS in subsystem/drivers Ulf Hansson
2021-06-03 9:34 ` [PATCH v2 1/4] PM: domains: Split code in dev_pm_genpd_set_performance_state() Ulf Hansson
2021-06-03 9:34 ` [PATCH v2 2/4] PM: domains: Return early if perf state is already set for the device Ulf Hansson
2021-06-03 9:34 ` [PATCH v2 3/4] PM: domains: Drop/restore performance state votes for devices at runtime PM Ulf Hansson
2021-06-03 9:55 ` Viresh Kumar
2021-06-03 10:31 ` Ulf Hansson
2021-06-03 11:17 ` Ulf Hansson
2021-06-04 3:53 ` Viresh Kumar
2021-06-04 7:45 ` Ulf Hansson
2021-06-07 4:47 ` Viresh Kumar
2021-06-09 12:25 ` Ulf Hansson
2021-06-03 19:02 ` Dmitry Osipenko
2021-06-03 19:08 ` Dmitry Osipenko
2021-06-04 7:20 ` Ulf Hansson
2021-06-03 9:34 ` [PATCH v2 4/4] PM: domains: Drop/restore performance state votes for devices at system PM Ulf Hansson
2021-06-03 10:20 ` Ulf Hansson
2021-06-03 11:15 ` Mark Brown
2021-06-03 13:48 ` Ulf Hansson
2021-06-08 12:53 ` Stephan Gerhold
2021-06-08 14:08 ` Ulf Hansson
2021-06-08 14:20 ` Mark Brown [this message]
2021-06-08 14:39 ` Ulf Hansson
2021-06-08 15:37 ` Stephan Gerhold
2021-06-03 11:12 ` [PATCH v2 0/4] PM: domains: Avoid boilerplate code for DVFS in subsystem/drivers Stephan Gerhold
2021-06-03 15:27 ` Ulf Hansson
2021-06-03 17:14 ` Stephan Gerhold
2021-06-04 7:18 ` Ulf Hansson
2021-06-04 8:23 ` Stephan Gerhold
2021-06-04 10:57 ` Ulf Hansson
2021-06-04 11:50 ` Stephan Gerhold
2021-06-11 16:42 ` Rafael J. Wysocki
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