From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [RFC][PATCH] ahci: Add support for Promise PDC42819 Date: Tue, 02 Sep 2008 08:01:59 -0400 Message-ID: <48BD2B37.6060000@garzik.org> References: <65a6ef750809020403i52228319u9e3197e4062941bc@mail.gmail.com> <48BD2136.1020101@garzik.org> <20080902125310.729b0997@lxorguk.ukuu.org.uk> 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]:56400 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751295AbYIBMCI (ORCPT ); Tue, 2 Sep 2008 08:02:08 -0400 In-Reply-To: <20080902125310.729b0997@lxorguk.ukuu.org.uk> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Alan Cox Cc: Mark Nelson , linux-ide@vger.kernel.org, Mikael Pettersson , linux-scsi Alan Cox wrote: >>> Apparently this chip also supports SAS disks, will these work with the >>> ahci driver (I've only tested with normal desktop SATA disks)? >> ahci is definitely SATA-only, so I wonder how they modified AHCI to >> support SAS transport... > > Jeff while are on that subject a further reminder - AHCI is also breaking > Marvell PATA device support for this reason and we now have months of > regressions because of that. Refresh my memory... what is the problem with loading pata_marvell first? AFAICS, if you load pata_marvell before ahci, it will grab the PATA disks and the PCI device itself. Jeff