[PATCH 2/6] sparc: factor the dma coherent mapping into helper

[David Miller]

From: Christoph Hellwig <hch at lst.de>
Date: Sat,  8 Dec 2018 09:41:11 -0800

> Factor the code to remap memory returned from the DMA coherent allocator
> into two helpers that can be shared by the IOMMU and direct mapping code.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Acked-by: David S. Miller <davem at davemloft.net>