From 6442ca2abf882d9d838fb844d852ba6acd1db7f4 Mon Sep 17 00:00:00 2001 From: Dongli Zhang Date: Fri, 18 Jan 2019 15:10:26 +0800 Subject: 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 Signed-off-by: Konrad Rzeszutek Wilk --- kernel/dma/swiotlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/dma') diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 1fb6fd68b9c7..1d8b37747bf0 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -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) -- cgit v1.2.3