From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272898AbTHEWLa (ORCPT ); Tue, 5 Aug 2003 18:11:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272894AbTHEWL3 (ORCPT ); Tue, 5 Aug 2003 18:11:29 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:4325 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S272893AbTHEWL1 (ORCPT ); Tue, 5 Aug 2003 18:11:27 -0400 Date: Fri, 1 Aug 2003 11:33:24 +0200 From: Pavel Machek To: Oliver Neukum Cc: Benjamin Herrenschmidt , David Brownell , Alan Stern , Dominik Brugger , kernel list , linux-usb-devel@lists.sourceforge.net Subject: Re: [linux-usb-devel] Re: OHCI problems with suspend/resume Message-ID: <20030801093324.GK2601@openzaurus.ucw.cz> References: <1059689105.2417.195.camel@gaston> <20030731220958.GA459@elf.ucw.cz> <200308010112.20514.oliver@neukum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200308010112.20514.oliver@neukum.org> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > Is not disk spin-down policy, and thus belonging to userspace? Having > > daemon poll for inactivity of hubs once every 5 minutes and sending > > them to sleep should not hurt, too... > > Pavel > > Taking precedents into account it is the kernel's job. > Screen blanking is done in kernel, as is afaik floppy > motor control. Floppy motor was not designed to be "always on", and screen gets physically damaged if you don't turn it off. OTOH harddrives were designed for always on, and if you spin up/down too much you shorten their lives... -- Pavel Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...