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* dma-mapping: remove a few unused exportsChristoph Hellwig2019-01-041-2/+0Star
| | | | | | | Now that the slow path DMA API calls are implemented out of line a few helpers only used by them don't need to be exported anymore. Signed-off-by: Christoph Hellwig <hch@lst.de>
* dma-mapping: move all DMA mapping code to kernel/dmaChristoph Hellwig2018-06-141-0/+434
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>