Commit 6442ca2a authored Jan 18, 2019 by Dongli Zhang Committed by Konrad Rzeszutek Wilk Feb 12, 2019

swiotlb: fix comment on swiotlb_bounce()



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>

parent d1393711

kernel/dma/swiotlb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -385,7 +385,7 @@ void __init swiotlb_exit(void)
		}

		/*
		* Bounce: copy the swiotlb buffer back to the original dma location
		* Bounce: copy the swiotlb buffer from or back to the original dma location
		*/
		static void swiotlb_bounce(phys_addr_t orig_addr, phys_addr_t tlb_addr,
		size_t size, enum dma_data_direction dir)

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