linux-kernel - Re: [PATCH] PM / domains: Kconfig: always enable PM

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Message-ID: <CAMuHMdVrpwg2pYxUhA5oRgd1g2DmLuSb2jR3ywz8hkjms7UBcw@mail.gmail.com>
Date:	Sat, 15 Nov 2014 13:32:01 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Kevin Hilman <khilman@...nel.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Linux PM list <linux-pm@...r.kernel.org>,
	linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when
 genpd enabled

Hi Kevin,

On Fri, Nov 14, 2014 at 6:36 PM, Kevin Hilman <khilman@...nel.org> wrote:
>> On Thu, Nov 13, 2014 at 11:28 PM, Kevin Hilman <khilman@...nel.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?

I do mean with CONFIG_PM_RUNTIME turned off.

If PM domain support is disabled, s2ram will not power down the PM domains.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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