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-rw-r--r--lib/swiotlb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 8e883c762728..cb1b54ee8527 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -781,8 +781,8 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
if (dma_capable(dev, dev_addr, size))
return dev_addr;
- swiotlb_tbl_unmap_single(dev, map, size, dir,
- attrs | DMA_ATTR_SKIP_CPU_SYNC);
+ attrs |= DMA_ATTR_SKIP_CPU_SYNC;
+ swiotlb_tbl_unmap_single(dev, map, size, dir, attrs);
return phys_to_dma(dev, io_tlb_overflow_buffer);
}
@@ -912,6 +912,7 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
/* Don't panic here, we expect map_sg users
to do proper error handling. */
swiotlb_full(hwdev, sg->length, dir, 0);
+ attrs |= DMA_ATTR_SKIP_CPU_SYNC;
swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir,
attrs);
sg_dma_len(sgl) = 0;
@@ -943,7 +944,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
for_each_sg(sgl, sg, nelems, i)
unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir,
attrs);
-
}
EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);