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author | Stefan Agner <stefan.agner@toradex.com> | 2017-09-26 16:04:08 +0200 |
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committer | Stefan Agner <stefan.agner@toradex.com> | 2017-09-26 18:11:18 +0200 |
commit | 1f4d46cea2bc1886a13ae9adfcd9e4243eed6a4c (patch) | |
tree | 2001999c70f8e46b192fc552590810aab35710e3 /drivers/xen/swiotlb-xen.c | |
parent | d152ae9d4704d8c7b3775e3b1a20e62aa3b1eed8 (diff) | |
parent | b52c9082f2eb3a6f7fbbc86fad3eaa2a1725da66 (diff) |
Merge tag 'v4.4.88' into toradex_vf_4.4-next
This is the 4.4.88 stable release
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
-rw-r--r-- | drivers/xen/swiotlb-xen.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 7399782c0998..8a58bbc14de2 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -409,9 +409,9 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, if (map == SWIOTLB_MAP_ERROR) return DMA_ERROR_CODE; + dev_addr = xen_phys_to_bus(map); xen_dma_map_page(dev, pfn_to_page(map >> PAGE_SHIFT), dev_addr, map & ~PAGE_MASK, size, dir, attrs); - dev_addr = xen_phys_to_bus(map); /* * Ensure that the address returned is DMA'ble @@ -567,13 +567,14 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, sg_dma_len(sgl) = 0; return 0; } + dev_addr = xen_phys_to_bus(map); xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT), dev_addr, map & ~PAGE_MASK, sg->length, dir, attrs); - sg->dma_address = xen_phys_to_bus(map); + sg->dma_address = dev_addr; } else { /* we are not interested in the dma_addr returned by * xen_dma_map_page, only in the potential cache flushes executed |