Re: move the arm arch_dma_alloc implementation to common code

From: Christoph Hellwig
Date: Fri Nov 09 2018 - 02:52:42 EST


Can I get a quick review from the arm64 folks? I think it should
be fine there as it basically is a code move, but an additional pair
or two of eyes always helps to weed out bugs.

On Mon, Nov 05, 2018 at 01:19:22PM +0100, Christoph Hellwig wrote:
> Hi all,
>
> this series moves the existing arm64 implementation of arch_dma_alloc and
> arch_dma_free to common code given that it is not arm64-specific, and
> then also uses it for csky. Given how many architectures remap memory
> for the DMA coherent implementation it should be usable for many more,
> and the new cache flushing hook and the generic atomic pool are also
> enablers for implementing the IOMMU API dma ops in common code in a
> follow on series.
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