From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Kevin Hilman <khilman@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Linux PM list <linux-pm@vger.kernel.org>,
linaro-kernel <linaro-kernel@lists.linaro.org>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Len Brown <len.brown@intel.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled
Date: Sat, 15 Nov 2014 21:54:45 +0100 [thread overview]
Message-ID: <20141115205445.GA21240@amd> (raw)
In-Reply-To: <5229811.LXthdvUIfI@vostro.rjw.lan>
On Fri 2014-11-14 23:41:15, Rafael J. Wysocki wrote:
> On Friday, November 14, 2014 09:36:17 AM Kevin Hilman wrote:
> > Geert Uytterhoeven <geert@linux-m68k.org> writes:
> >
> > > Hi Kevin,
> > >
> > > On Thu, Nov 13, 2014 at 11:28 PM, Kevin Hilman <khilman@kernel.org> wrote:
> > >> It makes little sense to use generic power domains without runtime PM.
> > >
> > > Does it?
> > > It still powers down the PM domains on system suspend (at least on my
> > > boards ;-)
> >
> > Sure, but your devices are also using runtime PM, so I'm not sure how
> > does that change my statement above?
>
> Questions here are (1) how many users will actually want to disable PM_RUNTIME
> for systems using genpd (my sort of educated guess is "none") and
Well. Developers sometimes want to disable power management so that
they don't have to debug it just now... disabling PM_RUNTIME is a way
to do that.
OTOH making code more complex to make new board bring-up easier may
not be good idea..
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2014-11-15 20:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 22:28 [PATCH] PM / Runtime: Kconfig: move ia64 dependency to arch/ia64/Kconfig Kevin Hilman
2014-11-13 22:28 ` [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled Kevin Hilman
2014-11-14 7:26 ` Ulf Hansson
2014-11-14 7:28 ` Ulf Hansson
2014-11-14 17:27 ` Kevin Hilman
2014-11-14 22:35 ` Rafael J. Wysocki
2014-11-14 7:29 ` Geert Uytterhoeven
2014-11-14 17:36 ` Kevin Hilman
2014-11-14 22:41 ` Rafael J. Wysocki
2014-11-15 20:54 ` Pavel Machek [this message]
2014-11-15 12:32 ` Geert Uytterhoeven
2014-11-17 1:22 ` Rafael J. Wysocki
2014-11-17 8:01 ` Geert Uytterhoeven
2014-11-17 18:25 ` Kevin Hilman
2014-11-18 0:39 ` [PATCH] PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected (was: Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled) Rafael J. Wysocki
2014-11-18 3:52 ` [PATCH] PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected Kevin Hilman
2014-11-18 8:32 ` Geert Uytterhoeven
2014-11-18 8:34 ` [PATCH] PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected (was: Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled) Pavel Machek
2014-11-18 20:40 ` Rafael J. Wysocki
2014-11-14 7:30 ` [PATCH] PM / Runtime: Kconfig: move ia64 dependency to arch/ia64/Kconfig Ulf Hansson
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