Re: [PATCH] Avoid PC(?) specific cascade dma reservation in

John Bradford (
Tue, 4 Mar 2003 22:00:09 +0000 (GMT)

> > I guess the reservation of dma channel 4 for "cascade" is
> > PC or chipset specific and we don't have such a thing in the
> > CRIS (ETRAX100LX) chip and channel 4 clashes with external dma0.
> > Perhaps a better fix is to #ifdef on something else or remove
> > the cascade stuff entirely from this file, but I leave that
> > to those who know better.
> > Have no other arch been bitten by this?
> I don't know of any PC cards that can support ISA DMA channel 4

As far as I know, there is no pin defined for request or
acknowledgement of DMA channel 4 on the ISA bus - or am I missing

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