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authorChristoph Hellwig <hch@lst.de>2018-06-15 14:08:41 +0300
committerPaul Burton <paul.burton@mips.com>2018-06-24 19:26:04 +0300
commitd3bc81befcf2634c64f1b2a95311d54ccfa1e06c (patch)
tree4684ab327e8a14e565baf20cfc9f07b5a3b90c18 /arch/mips/Kconfig
parenta330a9c59b45e53dee7985237340f6480a1ea08f (diff)
downloadlinux-d3bc81befcf2634c64f1b2a95311d54ccfa1e06c.tar.xz
MIPS: loongson: untangle dma implementations
Only loongson-3 is DMA coherent and uses swiotlb. So move the dma address translations stubs directly to the loongson-3 code, and remove a few Kconfig indirections. Signed-off-by: Christoph Hellwig <hch@lst.de> Patchwork: https://patchwork.linux-mips.org/patch/19539/ 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
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7c539a39c43e..6248befb3efc 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -454,7 +454,6 @@ config MACH_LOONGSON32
config MACH_LOONGSON64
bool "Loongson-2/3 family of machines"
- select ARCH_HAS_PHYS_TO_DMA
select SYS_SUPPORTS_ZBOOT
help
This enables the support of Loongson-2/3 family of machines.
@@ -1389,6 +1388,7 @@ choice
config CPU_LOONGSON3
bool "Loongson 3 CPU"
depends on SYS_HAS_CPU_LOONGSON3
+ select ARCH_HAS_PHYS_TO_DMA
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_SUPPORTS_HUGEPAGES