swiotlb: fix comment on swiotlb_bounce()

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Fix the comment as swiotlb_bounce() is used to copy from original dma
location to swiotlb buffer during swiotlb_tbl_map_single(), while to
copy from swiotlb buffer to original dma location during
swiotlb_tbl_unmap_single().

Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Dongli Zhang 2019-01-18 15:10:26 +08:00 • committed by Konrad Rzeszutek Wilk

parent d13937116f

commit 6442ca2abf

1 changed files with 1 additions and 1 deletions

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kernel/dma/swiotlb.c

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