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SubjectRe: [PATCH 02/25] dma-mapping: add a Kconfig symbol to indicated arch_dma_prep_coherent presence
On Tue, Apr 30, 2019 at 06:51:51AM -0400, Christoph Hellwig wrote:
> Add a Kconfig symbol that indicates an architecture provides a
> arch_dma_prep_coherent implementation, and provide a stub otherwise.
>
> This will allow the generic dma-iommu code to use it while still
> allowing to be built for cache coherent architectures.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Robin Murphy <robin.murphy@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

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