linux-kernel - Re: [PATCH 0/4] PM / Domains: Improve support for CPUs in genpd

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Message-ID: <CAPDyKFqP+92wwscW2V3352DVS1QM=DjMZ3e0uty1eQ4=5JyHWA@mail.gmail.com>
Date:   Thu, 25 Apr 2019 12:11:09 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Raju P . L . S . S . S . N" <rplsssn@...eaurora.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Kevin Hilman <khilman@...nel.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Niklas Cassel <niklas.cassel@...aro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/4] PM / Domains: Improve support for CPUs in genpd

On Thu, 25 Apr 2019 at 11:56, Rafael J. Wysocki <rafael@...nel.org> wrote:
>
> On Thu, Apr 25, 2019 at 11:04 AM Ulf Hansson <ulf.hansson@...aro.org> wrote:
> >
> > Recently genpd was extended to cope with devices belonging to CPUs. However,
> > attaching CPU devices via genpd_dev_pm_attach_by_id|name() doesn't work,
> > because of the virtual device that genpd allocates in this path.
> >
> > In this series, this limitation is addressed, together with a few other related
> > fixes/cleanups.
> >
> > Ulf Hansson (4):
> >   PM / Domains: Use the base device for
> >     driver_deferred_probe_check_state()
> >   PM / Domains: Drop unused in-parameter to some genpd functions
> >   PM / Domains: Search for the CPU device outside the genpd lock
> >   PM / Domains: Allow to attach a CPU via
> >     genpd_dev_pm_attach_by_id|name()
> >
> >  drivers/base/power/domain.c | 73 ++++++++++++++++++-------------------
> >  include/linux/pm_domain.h   |  1 +
> >  2 files changed, 36 insertions(+), 38 deletions(-)
>
> Are there any dependencies between this and the series you've recently posted?

Yep. I should have stated that, sorry. This should be applied on top.

Kind regards
Uffe