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2 commits

Author SHA1 Message Date
Christoph Hellwig
210d0797c9 swiotlb: export swiotlb_dma_ops 
For architectures that do not use per-device dma ops we need to export
the dma_map_ops structure returned from get_arch_dma_ops().

Fixes: 10314e09 ("riscv: add swiotlb support")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Andreas Schwab <schwab@suse.de>
 2018-06-28 14:00:40 +02:00
Christoph Hellwig
cf65a0f6f6 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>
 2018-06-14 08:50:37 +02:00