Date: Tue, 8 Jan 2008 14:31:17 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Bodo Eggert <7eggert@gmx.de>
Cc: Rene Herman <rene.herman@keyaccess.nl>, "H. Peter Anvin" <hpa@zytor.com>,
       Bodo Eggert <7eggert@gmx.de>, Christer Weinigel <christer@weinigel.se>,
       Ingo Molnar <mingo@elte.hu>, "David P. Reed" <dpreed@reed.com>,
       Paul Rolland <rol@as2917.net>, Pavel Machek <pavel@ucw.cz>,
       Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org,
       Ingo Molnar <mingo@redhat.com>, rol@witbe.net
Subject: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.
Message-ID: <20080108143117.0c594595@lxorguk.ukuu.org.uk>
In-Reply-To: <alpine.LSU.0.999.0801081333530.12636@be1.lrz>
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> OTOH, the DOS drivers I heared about use delays and would break on 
> underclocked ISA busses if the n * ISA_HZ delay was needed. Maybe
> somebody having a configurable ISA bus speed and some problematic
> chips can test it ...

I've been looking at DOS reference drivers - they almost all use I/O port
based delays.

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