From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760047AbYDXNoE (ORCPT ); Thu, 24 Apr 2008 09:44:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756194AbYDXNnx (ORCPT ); Thu, 24 Apr 2008 09:43:53 -0400 Received: from smtp-out04.alice-dsl.net ([88.44.63.6]:49912 "EHLO smtp-out04.alice-dsl.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753341AbYDXNnw (ORCPT ); Thu, 24 Apr 2008 09:43:52 -0400 To: Michael Buesch Cc: "linux-kernel" , vojtech@suse.cz, muli@il.ibm.com, jdmason@kudzu.us, tglx@linutronix.de, mingo@redhat.com Subject: Re: [PATCH RFC] x86: Fix 64-bit DMA masks on VIA From: Andi Kleen References: <200804232055.13102.mb@bu3sch.de> Date: Thu, 24 Apr 2008 15:43:50 +0200 In-Reply-To: <200804232055.13102.mb@bu3sch.de> (Michael Buesch's message of "Wed, 23 Apr 2008 20:55:12 +0200") Message-ID: <87mynjgyg9.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 24 Apr 2008 13:37:00.0657 (UTC) FILETIME=[4624E610:01C8A610] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Michael Buesch writes: > This untested patch is supposed to fix DMAing on some VIA boards. > Currently the DMA subsystem returns an error, if the driver does > tell that it supports a 64bit DMA mask. So the driver probing > would fail in that case. The driver is broken then. It is supposed to retry with a small mask on an error. Please fix the driver. -Andi