Messages in this thread | | | Subject | RE: [PATCH] Avoid PC(?) specific cascade dma reservation inkernel /dma.c | From | Alan Cox <> | Date | 09 Mar 2003 20:32:56 +0000 |
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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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