From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: So, what's the status on the recent patches here? Date: Sat, 26 Aug 2006 00:03:20 +0200 Message-ID: <20060825220320.GH9568@elf.ucw.cz> References: <20060825212712.GG9568@elf.ucw.cz> 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.osdl.org Errors-To: linux-pm-bounces@lists.osdl.org To: Alan Stern Cc: linux-pm@lists.osdl.org List-Id: linux-pm@vger.kernel.org Hi! > > Are there some patches to test? I'd like to power down USB bus, even > > when it has device connected (I do not user fingerprint scanner that > > much). > = > There are some old patches. I could update them to the current -mm kerne= l = > and post them next week. Yes, that would be great. > The idea of the patches is that they will autosuspend a USB hub when it > has no active (i.e., unsuspended) children, and autosuspending a root hub > stops the USB controller from doing DMA. However, non-hub devices are not > yet automatically suspended, so you will have to suspend the fingerprint > scanner by hand. That is okay, I can do that. It saves 2 hours of battery life on my machine... Pavel -- = (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html