From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC] dynamic device power management proposal Date: Thu, 22 Mar 2007 15:35:41 +0100 Message-ID: <20070322143541.GC7963@elf.ucw.cz> References: <200703221518.35286.oneukum@suse.de> <20070322142213.GF7693@elf.ucw.cz> <200703221526.07006.oneukum@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <200703221526.07006.oneukum@suse.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Oliver Neukum Cc: linux-pm , linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org Hi! > > > > (With autosuspend, you can get situation when request from userland > > > > comes in even when device is suspended; some devices will need > > > > fixing). > > > = > > > Currently, such requests are ignored. Is there any problem with that? > > = > > You should probably autowake such device, no? > = > Sorry, I misunderstood. IO requests wake an autosuspended device. > A system wide suspend is ignored, if the device is already suspended. Yes, that's okay. (ISTR problems when IO request oopsed an autosuspended device). Pavel -- = (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html