dma-mapping: move all DMA mapping code to kernel/dma
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 <hch@lst.de>
diff --git a/lib/Kconfig b/lib/Kconfig
index 809fdd1..803fcbc 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -420,60 +420,15 @@
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