diff options
| -rw-r--r-- | drivers/iommu/io-pgtable.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index f74f148ea76f..5d3848aeba07 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -77,7 +77,8 @@ struct io_pgtable_cfg { * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers. * * @map: Map a physically contiguous memory region. - * @map_sg: Map a scatterlist. The size parameter contains the size + * @map_sg: Map a scatterlist. Returns the number of bytes mapped, + * or 0 on failure. The size parameter contains the size * of the partial mapping in case of failure. * @unmap: Unmap a physically contiguous memory region. * @iova_to_phys: Translate iova to physical address. |