Re: [PATCH] 2.5.17 /dev/ports

Pete Zaitcev (zaitcev@redhat.com)
Thu, 23 May 2002 17:37:16 -0400


> From: Christer Weinigel <wingel@acolyte.hack.org>
> Date: Thu, 23 May 2002 23:22:39 +0200 (CEST)

> Martin Dalecki <dalecki@evision-ventures.com> wrote:
>
> > "I will submitt my dual 8255 PIO ISA card driver from 1.xx days
> > immediately for kernel inclusion"
>
> Please do *grin* I will probably have to write a driver for just such
> a card (a PC104 card though, but that's just a differenct connector),
> so I'd love to have such a driver. [...]

The 8255 is way too flexible for a single driver to be possible,
IMHO. Also, it is used in devices which plug into a variety of
upstream APIs, which makes the factorization not worth the effort.
E.g. what if you have 8255 driving a 9 track tape and 8255 driving
HP-IB bus? I think it would hardly be reasonable to unify those.
OTOH, If Martin submits a header file with register breakdown,
it may be useful (unlike a continuation of /dev/port discussion).

-- Pete
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