From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261358AbUL2Phx (ORCPT ); Wed, 29 Dec 2004 10:37:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261360AbUL2Phw (ORCPT ); Wed, 29 Dec 2004 10:37:52 -0500 Received: from clock-tower.bc.nu ([81.2.110.250]:37538 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S261358AbUL2Pht (ORCPT ); Wed, 29 Dec 2004 10:37:49 -0500 Subject: Re: PATCH: 2.6.10 - IT8212 IDE From: Alan Cox To: Paul Blazejowski Cc: LKML In-Reply-To: <9dda349204122821262f71e375@mail.gmail.com> References: <9dda349204122821262f71e375@mail.gmail.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1104330829.30087.9.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Wed, 29 Dec 2004 14:33:50 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2004-12-29 at 05:26, Paul Blazejowski wrote: > Alan, > > This patch works here but the performance is very poor. When i set DMA > and 32bit I/O thru hdparm, performance is comparable to the ITE pseudo > SCSI driver. 32bit I/O won't matter. DMA does (but nothing else - the firmware does DMA and the controller actually does the UDMA itself in RAID mode and does not support fancy mode tuning via hdparm)