Messages in this thread Patch in this message | | | From | Stefano Stabellini <> | Subject | [PATCH v2] swiotlb-xen: add missing xen_dma_map_page call | Date | Fri, 15 Nov 2013 11:57:33 +0000 |
| |
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>
Changes in v2: - reworked commit message. --- 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 a224bc7..1eac073 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 -- 1.7.2.5
| |