Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port 0x80I/O delay override.

[David P. Reed]

Alan Cox wrote:
> The natsemi docs here say otherwise. I trust them not you.
>   
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 
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 ...
> The problem is that certain people, unfortunately those who know
> nothing about ISA related bus systems, keep trying to confuse ISA delay
> logic with core chip logic and end up trying to solve both a problem and a
> non-problem in one, creating a nasty mess in the process.
>
>   
I agree that the problems of chip logic and ISA delay are all tangled 
up, probably more than need be.  I hope that the solution turns out to 
simplify matters, and hopefully to document the intention of the 
resulting code sections a bit more clearly for the future.
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