linux-kernel - Re: [PATCH 00/14] PM: domains: Various improvements for genpd

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Date:   Thu, 19 May 2022 20:37:21 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Maulik Shah <quic_mkshah@...cinc.com>,
        Gabriel Fernandez <gabriel.fernandez@...s.st.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Dmitry Osipenko <digetx@...il.com>,
        Kevin Hilman <khilman@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/14] PM: domains: Various improvements for genpd

On Wed, May 11, 2022 at 4:57 PM Ulf Hansson <ulf.hansson@...aro.org> wrote:
>
> The main goal with this series is to improve the way genpd deals with its
> governor(s). Especially it turns allocation of governor related data to be
> dynamically allocated. It also improves the execution path for runtime-
> suspend/resume of devices (attached to a genpd of course) and the similar is
> also done for genpd's power-on/off path.
>
> Note that, patch 1->3 have already been sent before in a separate series [1],
> but for simplicity I have included them here again.
>
> Tests/reviews are as usual highly appreciated!
>
> Kind regards
> Ulf Hansson
>
> [1]
> https://www.spinics.net/lists/kernel/msg4335838.html
>
> Ulf Hansson (14):
>   PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
>   PM: domains: Drop redundant code for genpd always-on governor
>   PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
>   PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
>   PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
>   PM: domains: Allocate gpd_timing_data dynamically based on governor
>   PM: domains: Move the next_wakeup variable into the struct
>     gpd_timing_data
>   PM: domains: Measure suspend/resume latencies in genpd based on
>     governor
>   PM: domains: Fixup QoS latency measurements for IRQ safe devices in
>     genpd
>   PM: domains: Fix initialization of genpd's next_wakeup
>   PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
>   PM: domains: Allocate governor data dynamically based on a genpd
>     governor
>   PM: domains: Measure power-on/off latencies in genpd based on a
>     governor
>   PM: domains: Trust domain-idle-states from DT to be correct by genpd
>
>  drivers/base/power/domain.c          | 201 +++++++++++++++++----------
>  drivers/base/power/domain_governor.c |  65 +++++----
>  include/linux/pm_domain.h            |  18 ++-
>  3 files changed, 173 insertions(+), 111 deletions(-)
>
> --

All of the changes made by this series make sense to me, so I've
queued it for 5.19.

Thanks!