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| author |   Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-11-15 14:22:15 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-11-15 14:22:15 +0000 |
| commit | 71bfae9097a94bb9a07afc6c16077429d3e40709 (patch) | |
| tree | 4519021958cf36266bfa1394e06bbde6dbe1e99a /drivers/xen | |
| parent | xen/arm: pfn_to_mfn and mfn_to_pfn return the argument if nothing is in the p2m (diff) | |
| download | linux-dev-71bfae9097a94bb9a07afc6c16077429d3e40709.tar.xz linux-dev-71bfae9097a94bb9a07afc6c16077429d3e40709.zip | |
swiotlb-xen: add missing xen_dma_map_page call
swiotlb-xen is missing a xen_dma_map_page call in
xen_swiotlb_map_sg_attrs, in the bounce buffer path.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index a224bc74b6b9..1eac0731c349 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -555,6 +555,11 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, sg_dma_len(sgl) = 0; return 0; } + xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT), + map & ~PAGE_MASK, + sg->length, + dir, + attrs); sg->dma_address = xen_phys_to_bus(map); } else { /* we are not interested in the dma_addr returned by |