From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH 6/6] ata_piix: don't scan non-existent device Date: Fri, 03 Mar 2006 15:43:00 -0500 Message-ID: <4408AA54.7080509@pobox.com> References: <11411439392891-git-send-email-htejun@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:27538 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S932347AbWCCUnG (ORCPT ); Fri, 3 Mar 2006 15:43:06 -0500 In-Reply-To: <11411439392891-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: jfs@keytradebank.com, 0602@eq.cz, linux-ide@vger.kernel.org Tejun Heo wrote: > ata_std_softreset() sometimes reports presence of dev 1 even when it > doesn't exist (PCS-wise). This usually happens reading dev 1's > signature returns that of dev 0 (e.g. on ICH6M). This patch turns off > non-existent device on such cases. > > Signed-off-by: Tejun Heo I'm going to NAK this one for now. This doesn't smell like a piix-specific behavior. Perhaps there is a device selection bug in libata core. Jeff