linux-kernel - Re: [PATCH 0/5] PM: Enable option of re-use runtime PM callbacks at system suspend

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Message-ID: <20131206005318.GB27953@amd.pavel.ucw.cz>
Date:	Fri, 6 Dec 2013 01:53:19 +0100
From:	Pavel Machek <pavel@....cz>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Len Brown <lenb@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kevin Hilman <khilman@...aro.org>
Subject: Re: [PATCH 0/5] PM: Enable option of re-use runtime PM callbacks
 at system suspend

On Thu 2013-12-05 17:21:50, Alan Stern wrote:
> On Thu, 5 Dec 2013, Len Brown wrote:
> 
> > This thread raises the question...
> > 
> > Do we still need to have PM_RUNTIME apart from PM_SLEEP?
> > 
> > What is the benefit of being able to build-in one one without the other?
> > If that benefit is not significant, perhaps the time has come to
> > replace them both with CONFIG_PM...
> 
> There are lots of embedded/SoC platforms that implement PM_RUNTIME but
> not PM_SLEEP.

And lots of PCs where PM_SLEEP is useful but PM_RUNTIME is not :-).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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