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From:   Christoph Hellwig <hch@lst.de>
To:     Julian Calaby <julian.calaby@gmail.com>
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Subject: Re: [PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_
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On Wed, Jan 03, 2018 at 07:19:46PM +1100, Julian Calaby wrote:
> If this is indeed a linear mapping, can we just remove this and
> replace it with the new "generic" mapping being introduced by this
> patchset?

That is the long-term plan.  But as the powerpc one includes support
for non-coherent DMA it will have to wait for the next batch.