Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262651AbVA0QX5 (ORCPT ); Thu, 27 Jan 2005 11:23:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262570AbVA0QX5 (ORCPT ); Thu, 27 Jan 2005 11:23:57 -0500 Received: from mail.suse.de ([195.135.220.2]:27027 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S262654AbVA0QXu (ORCPT ); Thu, 27 Jan 2005 11:23:50 -0500 Date: Thu, 27 Jan 2005 17:24:03 +0100 From: Vojtech Pavlik To: Alan Cox Cc: Lee Revell , Andries Brouwer , dtor_core@ameritech.net, linux-input@atrey.karlin.mff.cuni.cz, Linux Kernel Mailing List Subject: Re: i8042 access timings Message-ID: <20050127162403.GA15205@ucw.cz> References: <200501250241.14695.dtor_core@ameritech.net> <20050125105139.GA3494@pclin040.win.tue.nl> <20050125194647.GB3494@pclin040.win.tue.nl> <1106685456.10845.40.camel@krustophenia.net> <1106838875.14782.20.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1106838875.14782.20.camel@localhost.localdomain> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1163 Lines: 27 On Thu, Jan 27, 2005 at 03:14:36PM +0000, Alan Cox wrote: > On Maw, 2005-01-25 at 20:37, Lee Revell wrote: > > Seems like a comment along the lines of "foo hardware doesn't work right > > unless we delay a bit here" is the obvious solution. Then someone can > > easily disprove it later. > > Myths are not really involved here. The IBM PC hardware specifications > are fairly well defined and the various bits of "we glued a 2Mhz part > onto the bus" stuff is all well documented. Nowdays its more complex > because most kbc's aren't standalone low end microcontrollers but are > chipset integrated cells or even software SMM emulations. > > The real test is to fish out something like an old Digital Hi-note > laptop or an early 486 board with seperate kbc and try it. I'm testing it on an NexGen Nx586 VL-BUS board that has a separate i8042 controller. ;) Remember NexGen? -- Vojtech Pavlik SuSE Labs, SuSE CR - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/