From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [patch 3/3] Enable Aggressive Link Power management for AHCI controllers. Date: Tue, 12 Jun 2007 10:09:41 +0100 Message-ID: <20070612090940.GA9719@srcf.ucam.org> References: <20070611184146.448266229@intel.com> <20070611114839.907bcae2.kristen.c.accardi@intel.com> <20070612011148.GA9808@khazad-dum.debian.net> <466DF3E9.30303@linux.intel.com> <466DFE09.3020408@garzik.org> <20070612035928.GB9808@khazad-dum.debian.net> <466E1A32.90306@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <466E1A32.90306@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Arjan van de Ven Cc: Henrique de Moraes Holschuh , Jeff Garzik , Dagfinn Ilmari =?iso-8859-1?Q?Manns=E5ker?= , Kristen Carlson Accardi , james.bottomley@steeleye.com, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, htejun@gmail.com List-Id: linux-ide@vger.kernel.org On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote: > that's a temporary shortcoming; even with these power savings you can > do hotplug as long as you're willing to poll for it at a reasonable > interval and are willing to wait the time between polls for a hotplug > to take effect.. On laptops, I suspect that we'll probably get an ACPI interrupt even if the AHCI hotplug pathway can't manage. -- Matthew Garrett | mjg59@srcf.ucam.org