From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [RFC] dynamic device power management proposal Date: Thu, 22 Mar 2007 15:26:06 +0100 Message-ID: <200703221526.07006.oneukum@suse.de> References: <200703221518.35286.oneukum@suse.de> <20070322142213.GF7693@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20070322142213.GF7693@elf.ucw.cz> Content-Disposition: inline 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: Pavel Machek Cc: linux-pm , linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org Am Donnerstag, 22. M=E4rz 2007 15:22 schrieb Pavel Machek: > On Thu 2007-03-22 15:18:34, Oliver Neukum wrote: > > Am Donnerstag, 22. M=E4rz 2007 14:56 schrieb Pavel Machek: > > > Well, you should have audited USB drivers when enabling autosuspend... > > > But I believe you did that so you are pretty much okay. > > = > > We audited them. Respectively, are auditing them. > = > Ok. (It would be nice to document 'USB suspend/resume routines are > called during runtime, too' somewhere. OK. > > > (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. Regards Oliver