[PATCH v6 2/3] arm64: Add IOMMU dma_ops

[Joerg Roedel]

On Thu, Oct 01, 2015 at 08:13:59PM +0100, Robin Murphy wrote:
> Taking some inspiration from the arch/arm code, implement the
> arch-specific side of the DMA mapping ops using the new IOMMU-DMA layer.
> 
> Since there is still work to do elsewhere to make DMA configuration happen
> in a more appropriate order and properly support platform devices in the
> IOMMU core, the device setup code unfortunately starts out carrying some
> workarounds to ensure it works correctly in the current state of things.
> 
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
> ---
>  arch/arm64/mm/dma-mapping.c | 435 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 435 insertions(+)

This needs an ack from the arm64 maintainers.