From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762209AbXIKBxX (ORCPT ); Mon, 10 Sep 2007 21:53:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756859AbXIKBxQ (ORCPT ); Mon, 10 Sep 2007 21:53:16 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:43253 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756628AbXIKBxP (ORCPT ); Mon, 10 Sep 2007 21:53:15 -0400 Message-ID: <46E5F508.8000600@garzik.org> Date: Mon, 10 Sep 2007 21:53:12 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Jeff Norden CC: alan@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] pata_it821x: fix lost interrupt with atapi devices References: <200709041607.l84G7KsT032647@norden.math.tntech.edu> In-Reply-To: <200709041607.l84G7KsT032647@norden.math.tntech.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.1.9 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeff Norden wrote: > From: Jeff Norden > > Fix "lost" interrupt problem when using dma with CD/DVD drives in some > configurations. This problem can make installing linux from media > impossible for distro's that have switched to libata-only configurations. > > The simple fix is to eliminate the use of dma for reading drive status, etc, > by checking the number of bytes to transferred. > > This change will only affect the behavior of atapi devices, not disks. > There is more info at http://bugzilla.redhat.com/show_bug.cgi?id=242229 > This patch is for 2.6.22.1 > > Signed-off-by: Jeff Norden applied