From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [patch 0/3] AHCI Link Power Management Date: Wed, 13 Jun 2007 14:51:06 +0000 Message-ID: <20070613145106.GA8053@ucw.cz> References: <20070611114600.7fca1c24.kristen.c.accardi@intel.com> <466DFDB5.9030901@gmail.com> <466E0642.5020506@linux.intel.com> <466E1D51.9070007@gmail.com> <466E1EC6.90509@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from gprs189-60.eurotel.cz ([160.218.189.60]:2811 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754313AbXFMUQk (ORCPT ); Wed, 13 Jun 2007 16:16:40 -0400 Content-Disposition: inline In-Reply-To: <466E1EC6.90509@linux.intel.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Arjan van de Ven Cc: Tejun Heo , Kristen Carlson Accardi , jeff@garzik.org, james.bottomley@steeleye.com, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Jens Axboe Hi! > >Yeah, it was some Lenovo notebook. Pavel is more > >familiar with the > >hardware. Pavel, what was the notebook which didn't > >save much power > >with standard SATA power save but needed port to be > >completely turned off? > > Pavel, if you have time, could you measure this with > Kristen's patch? Kristen has same machine as me, and I have seen similar '1W' saving with previous version of the patch. I'd trust her results. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html