linux-kernel - use generic DMA mapping code in powerpc V3

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Message-Id: <20181009132500.17643-1-hch@lst.de>
Date:   Tue,  9 Oct 2018 15:24:27 +0200
From:   Christoph Hellwig <hch@....de>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, iommu@...ts.linux-foundation.org,
        linux-mm@...ck.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: use generic DMA mapping code in powerpc V3

Hi all,

this series switches the powerpc port to use the generic swiotlb and
noncoherent dma ops, and to use more generic code for the coherent
direct mapping, as well as removing a lot of dead code.

The changes since v1 are to big to list and v2 was not posted in public.

As this series is very large and depends on the dma-mapping tree I've
also published a git tree:

    git://git.infradead.org/users/hch/misc.git powerpc-dma.3

Gitweb:

    http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.3