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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
This commit is contained in:
Christoph Hellwig
2018-06-15 13:08:44 +02:00
committed by Paul Burton
parent dffbfde758
commit 54aed4dd35
3 changed files with 15 additions and 71 deletions
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2
arch/mips/Kconfig
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@@ -683,11 +683,11 @@ config SGI_IP22
config SGI_IP27
bool "SGI IP27 (Origin200/2000)"
select ARCH_HAS_PHYS_TO_DMA
select FW_ARC
select FW_ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
select MIPS_DMA_DEFAULT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select NR_CPUS_DEFAULT_64