Re: PLIP driver in 2.2.xx kernels

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Mon Oct 30 2000 - 09:03:34 EST


> > It has to bang on the parallel port controller the hard way, there is no
> > useful hardware support on a basic parallel port for the kind of abuse needed
> > for PLIP
> >
> (sorry for the late reply)
> I used plip with kernel 1.2.8 and had no problem with it...The machines
> that I'm using now are far superior than the old ones... Why shouldn't it
> work now ?

The performance hasnt changed. Your fast CPU simply spends longer in a tight
loop between each thing it has to do. There are no interrupts we can use for
the nibble by nibble data sending

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