On Friday 04 March 2011, Marek Szyprowski wrote:
> From: Andrzej Pietrasiewicz <[email protected]>
>
> This patch performs a complete rewrite of sysmmu driver for Samsung platform:
> - the new version introduces an api to construct device private page
> tables and enables to use device private address space mode
> - simplified the resource management: no more single platform
> device with 32 resources is needed, better fits into linux driver model,
> each sysmmu instance has it's own resource definition
> - added support for sysmmu clocks
> - some other minor API chages required by upcoming videobuf2 allocator
>
> Signed-off-by: Andrzej Pietrasiewicz <[email protected]>
> Signed-off-by: Kyungmin Park <[email protected]>
> Signed-off-by: Marek Szyprowski <[email protected]>
Please explain why create a new IOMMU API when we already have two
generic ones (include/linux/iommu.h and include/linux/dma-mapping.h).
Is there something that cannot be done with the common code?
The first approach should be to extend the existing APIs to
do what you need.
Arnd
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