From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH] PM / domains: Kconfig: always enable PM_RUNTIME when genpd enabled Date: Sat, 15 Nov 2014 21:54:45 +0100 Message-ID: <20141115205445.GA21240@amd> References: <1415917702-6742-1-git-send-email-khilman@kernel.org> <7ha93t8z1q.fsf@deeprootsystems.com> <5229811.LXthdvUIfI@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:36886 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754567AbaKOUys (ORCPT ); Sat, 15 Nov 2014 15:54:48 -0500 Content-Disposition: inline In-Reply-To: <5229811.LXthdvUIfI@vostro.rjw.lan> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" Cc: Kevin Hilman , Geert Uytterhoeven , Ulf Hansson , Geert Uytterhoeven , Linux PM list , linaro-kernel , Grygorii Strashko , Len Brown , open list 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 writes: > > > > > Hi Kevin, > > > > > > On Thu, Nov 13, 2014 at 11:28 PM, Kevin Hilman 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