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dma-mapping: simplify Kconfig dependencies

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ARCH_DMA_ADDR_T_64BIT is always true for 64-bit architectures now, so we
can skip the clause requiring it.  'n' is the default default, so no need
to explicitly state it.

Tested-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-04-18 10:11:52 +02:00
parent 10314e09d0
commit 35ddb69cd2
1 changed files with 2 additions and 4 deletions
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6
lib/Kconfig
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@ -443,13 +443,11 @@ config IOMMU_HELPER
config DMA_DIRECT_OPS
bool
depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
default n
depends on HAS_DMA
config DMA_VIRT_OPS
bool
depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
default n
depends on HAS_DMA
config SWIOTLB
bool