[PATCH v5 2/3] arm64: Add IOMMU dma_ops
catalin.marinas at arm.com
Mon Aug 3 10:33:48 PDT 2015
On Fri, Jul 31, 2015 at 06:18:28PM +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.
> Unfortunately the device setup code has to start out as a big ugly mess
> in order to work usefully right now, as 'proper' operation depends on
> changes to device probe and DMA configuration ordering, IOMMU groups for
> platform devices, and default domain support in arm/arm64 IOMMU drivers.
> The workarounds here need only exist until that work is finished.
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
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