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Subject: RE: [PATCH] Avoid PC(?) specific cascade dma reservation inkernel
	/dma.c
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mikael Starvik <mikael.starvik@axis.com>
Cc: Johan Adolfsson <johan.adolfsson@axis.com>,
       "'Marcelo Tosatti'" <marcelo@conectiva.com.br>,
       "'Linus Torvalds'" <torvalds@transmeta.com>,
       "'Linux Kernel Mailing List'" <linux-kernel@vger.kernel.org>
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On Sun, 2003-03-09 at 13:49, Mikael Starvik wrote:
> >I don't know of any PC cards that can support ISA DMA channel 4 so I
> >guess simply because of that it hasn't happened. Do you actually
> >know of any DMA 4 capable ISA devices or is it used for onboard
> >ISA devices ?
> 
> In this case it is used in a non ISA capable system where DMA channel
> numbers doesn't relate to ISA numbers in any way. 

So what happens if someone plugs a PCI/ISA bridge into an axis system.
Surely you should be reporting no ISA DMA and having a set of similar
axis specific DMA handlers - or does it really look so close to ISA think ?

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