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authorChristoph Hellwig <hch@lst.de>2021-09-06 14:40:00 +0200
committerChristoph Hellwig <hch@lst.de>2021-09-06 14:40:47 +0200
commita61cb6017df0a9be072a35259e6e9ae7aa0ef6b3 (patch)
treeff1a374f2134976f7c8a0f1cab1dbe0db248160f /kernel/dma
parenthexagon: use the generic global coherent pool (diff)
downloadlinux-dev-a61cb6017df0a9be072a35259e6e9ae7aa0ef6b3.tar.xz
linux-dev-a61cb6017df0a9be072a35259e6e9ae7aa0ef6b3.zip
dma-mapping: fix the kerneldoc for dma_map_sg_attrs
Add the missing description for the nents parameter, and fix a trivial misalignment. Fixes: fffe3cc8c219 ("dma-mapping: allow map_sg() ops to return negative error codes") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/dma')
-rw-r--r--kernel/dma/mapping.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 7ee5284bff58..06fec5547e7c 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -206,7 +206,8 @@ static int __dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
/**
* dma_map_sg_attrs - Map the given buffer for DMA
* @dev: The device for which to perform the DMA operation
- * @sg: The sg_table object describing the buffer
+ * @sg: The sg_table object describing the buffer
+ * @nents: Number of entries to map
* @dir: DMA direction
* @attrs: Optional DMA attributes for the map operation
*