From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 11 Jan 2002 15:11:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 11 Jan 2002 15:11:19 -0500 Received: from mail.pha.ha-vel.cz ([195.39.72.3]:31243 "HELO mail.pha.ha-vel.cz") by vger.kernel.org with SMTP id ; Fri, 11 Jan 2002 15:11:10 -0500 Date: Fri, 11 Jan 2002 21:11:03 +0100 From: Vojtech Pavlik To: Krzysztof Oledzki Cc: linux-kernel@vger.kernel.org, andre@linux-ide.org, alan@lxorguk.ukuu.org.uk Subject: Re: ide.2.2.21.05042001-Ole.patch.gz Message-ID: <20020111211103.H16200@suse.cz> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from ole@ans.pl on Fri, Jan 11, 2002 at 08:58:43PM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 11, 2002 at 08:58:43PM +0100, Krzysztof Oledzki wrote: > Hello, > > I have just modified Andre Hedrick's ide.2.2.19.05042001 patch. You can > find it at "http://www.ans.pl/ide/ide.2.2.21.05042001-Ole.patch.gz". It > should patch 2.2.21pre2 kernel without any warnings/errors. I also > bacported new VIA driver from 2.4.x kernel - this one uses correct IO port > as via_base so values displayed in /proc/ide/via file are now properly > calculated. Check the "BM-DMA base" value :) > > Hopefully, devices which work in DMA mode, have DMA/UDMA value instead of > PIO in "Transfer Mode" now. It also should works better with some new > chipsets. If I found time I can also try to backport new Intel, Promise > and HPT drivers if no no one else is working on it. I believe I have > required hardware to test it. > > I also have one question about IDE support in 2.4.x kernel. Why, with VIA > MVP3 chipset on my FIC 503+ board, with UDMA33/66/100 HDDs using 2.4.x > kernels I have only 13 MB/sec (tested with hdparm -t). With 2.2.x kernels > hdparm shows 17 MB/sec but with IDE support bacported from 2.4.x kernels > (2.2.19/2.2.20+original Andre Hedrick's patch) it is also 13 MB/sec. If you can send me 'lspci -vvxxx' for both the cases, perhaps I'll be able to find out why it is so. Is this with all the IDE patches or just the VIA driver changed? -- Vojtech Pavlik SuSE Labs