From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers. Date: Mon, 11 Jun 2007 18:16:25 -0700 Message-ID: <466DF3E9.30303@linux.intel.com> References: <20070611184146.448266229@intel.com> <20070611114839.907bcae2.kristen.c.accardi@intel.com> <20070612011148.GA9808@khazad-dum.debian.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga07.intel.com ([143.182.124.22]:48875 "EHLO azsmga101.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755291AbXFLBR7 (ORCPT ); Mon, 11 Jun 2007 21:17:59 -0400 In-Reply-To: <20070612011148.GA9808@khazad-dum.debian.net> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Henrique de Moraes Holschuh Cc: 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, htejun@gmail.com Henrique de Moraes Holschuh wrote: > On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote: >> Setting Effect >> ---------------------------------------------------------- >> min_power ALPM is enabled, and link set to enter >> lowest power state (SLUMBER) when idle >> Hot plug not allowed. >> >> max_performance ALPM is disabled, Hot Plug is allowed >> >> medium_power ALPM is enabled, and link set to enter >> second lowest power state (PARTIAL) when >> idle. Hot plug not allowed. > > Just some food for thought: > > If you split it into a enable/disable (0/1) attribute, and a level attribute on/off doesn't really make sense if the question is "do you favor power or do you favor performance".......