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mips,unicore32: swiotlb doesn't need sg->dma_length

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Only mips and unicore32 select CONFIG_NEED_SG_DMA_LENGTH when building
swiotlb.  swiotlb itself never merges segements and doesn't accesses the
dma_length field directly, so drop the dependency.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Christoph Hellwig
2018-04-24 08:58:47 +02:00
parent f21254cdd1
commit 8d9b409b1a
3 changed files with 0 additions and 3 deletions
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1
arch/mips/cavium-octeon/Kconfig
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@@ -70,7 +70,6 @@ config CAVIUM_OCTEON_LOCK_L2_MEMCPY
config SWIOTLB
def_bool y
select DMA_DIRECT_OPS
select NEED_SG_DMA_LENGTH
config OCTEON_ILM
tristate "Module to measure interrupt latency using Octeon CIU Timer"

1
arch/mips/loongson64/Kconfig
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@@ -135,7 +135,6 @@ config SWIOTLB
default y
depends on CPU_LOONGSON3
select DMA_DIRECT_OPS
select NEED_SG_DMA_LENGTH
select NEED_DMA_MAP_STATE
config PHYS48_TO_HT40

1
arch/unicore32/mm/Kconfig
View File

@@ -43,4 +43,3 @@ config CPU_TLB_SINGLE_ENTRY_DISABLE
config SWIOTLB
def_bool y
select DMA_DIRECT_OPS
select NEED_SG_DMA_LENGTH