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SubjectRe: With Daniel Phillips Patch
>   From: "Justin T. Gibbs" <>
> Date: Wed, 22 Aug 2001 18:01:40 -0600
> It is opaque and should be able to represent all dma (or I would prefer
> bus) addresses in the system. The examples I've seen where people
> assume it to be 32bits in size are, well, broken.
>It is the type to be used for 32-bit SAC based DMA.
>DMA-mapping.txt is pretty clear about this.

Then it is poorly named. How about "pci_dma32_t". Or better yet,
uint32_t. How do the guys writing SBUS drivers like the fact that
all of this mapping stuff is so PCI centric?

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