From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758643AbYE0XAM (ORCPT ); Tue, 27 May 2008 19:00:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750830AbYE0W77 (ORCPT ); Tue, 27 May 2008 18:59:59 -0400 Received: from www.church-of-our-saviour.ORG ([69.25.196.31]:34467 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750739AbYE0W76 (ORCPT ); Tue, 27 May 2008 18:59:58 -0400 Date: Tue, 27 May 2008 18:59:26 -0400 From: Theodore Tso To: Kristen Carlson Accardi Cc: jeff@garzik.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ata: ahci: power off unused ports Message-ID: <20080527225926.GE6843@mit.edu> Mail-Followup-To: Theodore Tso , Kristen Carlson Accardi , jeff@garzik.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org References: <20080508161008.59361de5@appleyard> <20080527030854.GC7515@mit.edu> <20080527143202.4bab5bf0@appleyard> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080527143202.4bab5bf0@appleyard> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@mit.edu X-SA-Exim-Scanned: No (on thunker.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 27, 2008 at 02:32:02PM -0700, Kristen Carlson Accardi wrote: > > As far as I know the patch has gone nowhere. I believe that > Jeff wanted something more flexible than the module parameter that > I provided to override the BIOS options. I am not working on this, > I figured he had a pretty firm idea what he wanted so he was better > equipped to write the patch. Thanks Kristen, Can you say which laptops you had tested this on where it saved power? (Did you test any Thinkpads, in particular?) I'm wondering if it's worth trying to forward port your patch as a private mod to my kernel; 30 to 40 minutes of extra battery life is nothing to sneeze at! - Ted