From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264049AbTDOTuT (for ); Tue, 15 Apr 2003 15:50:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264053AbTDOTuT (for ); Tue, 15 Apr 2003 15:50:19 -0400 Received: from c-97a870d5.037-69-73746f23.cust.bredbandsbolaget.se ([213.112.168.151]:36224 "EHLO zaphod.guide") by vger.kernel.org with ESMTP id S264049AbTDOTuT (for ); Tue, 15 Apr 2003 15:50:19 -0400 To: linux-kernel@vger.kernel.org Subject: DMA transfers in 2.5.67 From: mru@users.sourceforge.net (=?iso-8859-1?q?M=E5ns_Rullg=E5rd?=) Date: 15 Apr 2003 22:01:28 +0200 Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Portable Code) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org What do I need to do in a driver before doing DMA transfers to a PCI card? Using a driver that worked in 2.4 gives a throughput of only 10 MB/s in 2.5.67. Is there some magic initialization that I have missed? -- Måns Rullgård mru@users.sf.net