From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] libata: Export AHCI capabilities Date: Sat, 15 Aug 2009 17:07:18 -0400 Message-ID: <4A872386.4080908@pobox.com> References: <1247854427-3315-1-git-send-email-mjg@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:53141 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752462AbZHOVHV (ORCPT ); Sat, 15 Aug 2009 17:07:21 -0400 In-Reply-To: <1247854427-3315-1-git-send-email-mjg@redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Matthew Garrett Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Matthew Garrett wrote: > AHCI exports various capability bits that may be of interest to userspace > such as whether the BIOS claims a port is hotpluggable or eSATA. Providing > these via sysfs along with the version of the AHCI spec implemented by > the host allows userspace to make policy decisions for things like ALPM. > > Signed-off-by: Matthew Garrett I would prefer a better-yet-more-general interface, but I don't think one will appear anytime soon, so... applied