From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ICH8 CF timeout (regression)... Date: Tue, 07 Aug 2007 02:36:14 +0900 Message-ID: <46B75C0E.8010007@gmail.com> References: <6278d2220708020348k26ac2293v648442f2281eca70@mail.gmail.com> <46B20D6B.1060506@gmail.com> <6278d2220708021411q17cdc151p79922e5dab74add4@mail.gmail.com> <46B25DE1.4050105@rtr.ca> <6278d2220708030322h2c779fa3o1e2e2d9c83ff62e8@mail.gmail.com> <46B30651.9030505@gmail.com> <6278d2220708031538s4a57f126ybfa0486816de4401@mail.gmail.com> <46B41706.4080008@gmail.com> <20070806102836.ea157fed.kristen.c.accardi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.184]:44718 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753964AbXHFRgW (ORCPT ); Mon, 6 Aug 2007 13:36:22 -0400 Received: by rv-out-0910.google.com with SMTP id k20so1178606rvb for ; Mon, 06 Aug 2007 10:36:21 -0700 (PDT) In-Reply-To: <20070806102836.ea157fed.kristen.c.accardi@intel.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Kristen Carlson Accardi Cc: Daniel J Blueman , Mark Lord , jgarzik@pobox.com, linux-ide@vger.kernel.org, Linux Kernel Kristen Carlson Accardi wrote: > In the data sheet in section 5.15.2.3 it describes a value of map.mv of > 1 as meaning that the SATA controller is emulating the logical secondary > channel, and the PATA channel will be the primary. For a value of > map.mv == 2, we have the SATA controller being primary, and the PATA > is secondary. So, if I'm understanding the way ata_piix does mapping, > it seems like for a value of 2, we should have [p0, p2, ide, ide] and > for a value of 1 we should have [ide, ide, p0, p2] - although for ICH8M > it seems like 1 should not be a valid value. My reading the ICH8 spec is > that ICH8M only implements a map value of 2, and 1 should be reserved > (see section 12.1.33). Alright, thanks a lot. -- tejun