From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: possibly a dumb question about sb600/700 Date: Mon, 12 Nov 2007 14:36:12 +0000 Message-ID: <20071112143612.5be65fc8@the-village.bc.nu> References: <47381768.2060803@gmail.com> <20071112131640.3bf0073c@the-village.bc.nu> <4738542A.5050706@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from [81.2.110.250] ([81.2.110.250]:35569 "EHLO the-village.bc.nu" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750801AbXKLOgl (ORCPT ); Mon, 12 Nov 2007 09:36:41 -0500 In-Reply-To: <4738542A.5050706@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: conke.hu@gmail.com, IDE/ATA development list > Alright, then. I was just worried about the asymmetry. Oh, this > _reminds me of another problem regarding enable bits. There's a system > (wyse thin client) with pata_amd controller where the enable bit isn't > set by the BIOS and there's no reliable way to identify the system (no > DMI). Do you know how important is the enabled bits test for these > controllers? If we ignore the tests we get more problems with 30 second timeouts on other hardware that has incorrect termination or a port which is simply not wired on the mainboard. I bet we can identify the Wyse somehow and I'd rather do that even if it means looking for magic strings in the BIOS ROM image. Alan