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(parent: cb38f95) | patch
dma-mapping: better document dma_addr_t and DMA_MAPPING_ERROR
authorChristoph Hellwig <hch@lst.de>
Fri, 11 Sep 2020 07:33:42 +0000 (09:33 +0200)
committerChristoph Hellwig <hch@lst.de>
Fri, 25 Sep 2020 04:14:29 +0000 (06:14 +0200)
commit455d703aa4266c5dcddb1be2d5d9d0c2d350118d
tree8977fcb52e599b1c0443a8e70ba4e238b782d50atree | snapshot
parentcb38f95694af0448cc9b578f5858b8e0a25632f8commit | diff
dma-mapping: better document dma_addr_t and DMA_MAPPING_ERROR

Move the comment documenting dma_addr_t away from the dma_map_ops
definition which isn't very related to it, and toward DMA_MAPPING_ERROR,
which is somewhat related.  Add a little blurb about DMA_MAPPING_ERROR
as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
include/linux/dma-mapping.h diff | blob | history
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