Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752420AbYHVUta (ORCPT ); Fri, 22 Aug 2008 16:49:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755798AbYHVUtH (ORCPT ); Fri, 22 Aug 2008 16:49:07 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:46439 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755722AbYHVUtF (ORCPT ); Fri, 22 Aug 2008 16:49:05 -0400 From: "Rafael J. Wysocki" To: Pavel Machek Subject: Re: autosuspend for SCSI devices Date: Fri, 22 Aug 2008 22:52:51 +0200 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: oneukum@suse.de, linux-pm@lists.linux-foundation.org, James.Bottomley@hansenpartnership.com, linux-kernel@vger.kernel.org, teheo@novell.com, stefanr@s5r6.in-berlin.de, Martin.Leisner@xerox.com References: <20080822105626.GA9475@elf.ucw.cz> In-Reply-To: <20080822105626.GA9475@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808222252.52947.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 749 Lines: 19 On Friday, 22 of August 2008, Pavel Machek wrote: > From: Alan Stern > > Add support for autosuspend/autoresume of the SCSI devices. Lowlevel > driver can use it to spin the disk down... and it is neccessary step > for powering down the controllers. > > Spinning down the disk is useful - saves ~0.5W here, and it is last > major thing we can do to save power on some small machines like > Kohjinsha subnotebooks. > > Signed-off-by: Pavel Machek -ENOPATCH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/