On Monday 18 April 2011, Hiroshi DOYU wrote:
> From: ext Tony Lindgren <[email protected]>
> > have a generic replacement for this code we should start using it.
>
> I'm afraid that there's no general IOMMU APIs yet, or already? If
> there is, migrating to those general IOMMU API is the way, but still
> SoC dependent parts remain, anyway. I guess that more or less general
> IOMMU API is composed of common set of client APIs(like IOVMM) and the
> registration of H/W dependent functions(like omap iommu), I guess.
As I explained, we have a surplus of generic iommu APIs
already, see include/linux/dma-mapping.h and include/linux/iommu.h
The dma-mapping interface handles IOMMUs on all other architectures
that have them.
Arnd
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