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dma-mapping: move all DMA mapping code to kernel/dma

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Currently the code is split over various files with dma- prefixes in the
lib/ and drives/base directories, and the number of files keeps growing.
Move them into a single directory to keep the code together and remove
the file name prefixes.  To match the irq infrastructure this directory
is placed under the kernel/ directory.

Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-06-12 19:01:45 +02:00
commit cf65a0f6f6
18 changed files with 69 additions and 72 deletions
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47
lib/Kconfig
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@ -420,60 +420,15 @@ config HAS_IOPORT_MAP
depends on HAS_IOMEM && !NO_IOPORT_MAP
default y
config HAS_DMA
bool
depends on !NO_DMA
default y
source "kernel/dma/Kconfig"
config SGL_ALLOC
bool
default n
config NEED_SG_DMA_LENGTH
bool
config NEED_DMA_MAP_STATE
bool
config ARCH_DMA_ADDR_T_64BIT
def_bool 64BIT || PHYS_ADDR_T_64BIT
config IOMMU_HELPER
bool
config ARCH_HAS_SYNC_DMA_FOR_DEVICE
bool
config ARCH_HAS_SYNC_DMA_FOR_CPU
bool
select NEED_DMA_MAP_STATE
config DMA_DIRECT_OPS
bool
depends on HAS_DMA
config DMA_NONCOHERENT_OPS
bool
depends on HAS_DMA
select DMA_DIRECT_OPS
config DMA_NONCOHERENT_MMAP
bool
depends on DMA_NONCOHERENT_OPS
config DMA_NONCOHERENT_CACHE_SYNC
bool
depends on DMA_NONCOHERENT_OPS
config DMA_VIRT_OPS
bool
depends on HAS_DMA
config SWIOTLB
bool
select DMA_DIRECT_OPS
select NEED_DMA_MAP_STATE
config CHECK_SIGNATURE
bool