linux-kernel - Re: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.

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Date:	Tue, 8 Jan 2008 19:23:13 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"David P. Reed" <dpreed@...d.com>
Cc:	Ondrej Zary <linux@...nbow-software.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Rene Herman <rene.herman@...access.nl>,
	Bodo Eggert <7eggert@....de>,
	Christer Weinigel <christer@...nigel.se>,
	Ingo Molnar <mingo@...e.hu>, Paul Rolland <rol@...917.net>,
	Pavel Machek <pavel@....cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	rol@...be.net
Subject: Re: Re: [PATCH] x86: provide a DMI based port 0x80
 I/O delay override.

> As well you should. I am honestly curious (for my own satisfaction) as 
> to what the natsemi docs say the delay code should do  (can't imagine 
> they say "use io port 80 because it is unused").  I don't have any 

They say you must allow 4 bus clocks for the address decode. They don't
deal with the ISA side as the chip itself has no ISA glue.


> copies anymore. But mere curiosity on my part is not worth spending a 
> lot of time on - I know you are super busy.   If there's a copy online 
> at a URL ...

Not that I know of. There may be. A good general source of info is Russ
Nelson's old DOS packet driver collection.

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