MIPS: IP27: use dma_direct_ops

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IP27 is coherent and has a reasonably direct mapping, just with a little
per-bus offset added into the dma address.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Patchwork: https://patchwork.linux-mips.org/patch/19542/
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Tom Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: iommu@lists.linux-foundation.org
Cc: linux-mips@linux-mips.org

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Christoph Hellwig 2018-06-15 13:08:44 +02:00 • committed by Paul Burton

parent dffbfde758

commit 54aed4dd35

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3 changed files with 15 additions and 71 deletions

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2

arch/mips/Kconfig

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70

arch/mips/include/asm/mach-ip27/dma-coherence.h

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14

arch/mips/pci/pci-ip27.c

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