Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: DAC960 in 2.5.38, with new changes | Date | Tue, 24 Sep 2002 19:45:26 +0200 |
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On Tuesday 24 September 2002 18:54, Dave Olien wrote: > According to the Documentation/DMA-mapping.txt file, the new > DMA mapping interfaces should allow all PCI transfers to use 32-bit DMA > addresses. Controllers on the PCI bus should never need to use DAC > PCI transfers. Based on this, writel() should work even on ia64.
A totally disgusting idea: MMX/x87 are also capable of transferring 8 bytes in one instruction on ia32.
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