Messages in this thread | | | Subject | Re: DMA transfers in 2.5.67 | From | Alan Cox <> | Date | 15 Apr 2003 21:31:25 +0100 |
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On Maw, 2003-04-15 at 21:01, Måns Rullgård wrote: > What do I need to do in a driver before doing DMA transfers to a PCI > card? Using a driver that worked in 2.4 gives a throughput of only 10 > MB/s in 2.5.67. Is there some magic initialization that I have > missed?
Assuming your driver uses the new PCI api for DMA in 2.4/2.5 then there isnt really anything to watch. Is this on a box with > 800Mb of memory however ?
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