Re: DAC960 in 2.5.38, with new changes
Daniel Phillips (phillips@arcor.de)
Tue, 24 Sep 2002 19:45:26 +0200
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.
--
Daniel
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