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SubjectRe: [RFC/PARTIAL PATCH 0/3] dma: passing "attributes" to dma_map_* routines
On Mon, Jan 07, 2008 at 06:32:22PM -0800, wrote:
> The following patchset allows additional "attributes" to be
> passed to dma_map_*/dma_unmap_* implementations. (The reason
> why this is useful/necessary has been mentioned several times,
> most recently here:
> This is incomplete in that only ia64 and x86_64 are supported -
> the purpose is mainly to give us something specific to discuss.
> The approach here is to change the dma_map_* interface so
> that the last argument is an u32 which encodes the direction
> of the dma and, optionally, other attributes. Changing the
> interface is a bit intrusive, but callers of dma_map_* don't
> need to be modified.

Onething I've missed with these patches is drivers actually using
it. What driver actually needs it and why don't you send patches
for them?

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