diff options
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 4 | ||||
| -rw-r--r-- | lib/swiotlb.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 3d048afcee38..478fb91e3df2 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -420,8 +420,8 @@ dma_addr_t xen_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 DMA_ERROR_CODE; } 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); |