dma-mapping: move dma_common_{mmap,get_sgtable} out of mapping.c

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Add a new file that contains helpers for misc DMA ops, which is only
built when CONFIG_DMA_OPS is set.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>

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Christoph Hellwig 2020-08-18 09:30:44 +02:00

parent 5ceda74093

commit 545d29272f

3 changed files with 53 additions and 46 deletions

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1

kernel/dma/Makefile

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47

kernel/dma/mapping.c

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51

kernel/dma/ops_helpers.c

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