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 16:58:24 +0100 Message-ID: <20070612155824.GB14044@srcf.ucam.org> References: <466DFE09.3020408@garzik.org> <20070612035928.GB9808@khazad-dum.debian.net> <466E1A32.90306@linux.intel.com> <20070612090940.GA9719@srcf.ucam.org> <20070612121819.GA20408@khazad-dum.debian.net> <20070612135010.GA12601@srcf.ucam.org> <20070612141714.GB20408@khazad-dum.debian.net> <20070612153828.GA13888@srcf.ucam.org> <466EBFF0.70100@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([217.147.92.49]:45805 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755216AbXFLP6i (ORCPT ); Tue, 12 Jun 2007 11:58:38 -0400 Content-Disposition: inline In-Reply-To: <466EBFF0.70100@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Henrique de Moraes Holschuh , Arjan van de Ven , 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 On Tue, Jun 12, 2007 at 11:46:56AM -0400, Jeff Garzik wrote: > Matthew Garrett wrote: > >On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh > >wrote: > >>On Tue, 12 Jun 2007, Matthew Garrett wrote: > >>>Laptop bays are designed to deal with hotplugging PATA - I don't think > >>>this is too much of an issue :) > >>The new SATA ones use the SATA hardware hotplug ;-) Just like the pci-e > >>cards use usb2.0 and pci-e hotplug... > > > >Yes, but they'll also send an ACPI interrupt even if the SATA host > >controller doesn't - it's part of the spec for bays. > > Regardless, having a laptop does not imply having a docking bay. Excluding the corner case of an Expresscard SATA controller (where I suspect you'd want different policy), I doubt there are any cases where you have a laptop with hotplug capabilities without it being implemented as an ACPI bay. -- Matthew Garrett | mjg59@srcf.ucam.org