Commit 53d6dc6a authored by Stefano Stabellini's avatar Stefano Stabellini Committed by Luis Henriques

swiotlb-xen: call xen_dma_sync_single_for_device when appropriate

commit 9490c6c6 upstream.

In xen_swiotlb_sync_single we always call xen_dma_sync_single_for_cpu,
even when we should call xen_dma_sync_single_for_device. Fix that.
Signed-off-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent de705e65
......@@ -500,7 +500,7 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);
if (target == SYNC_FOR_DEVICE)
xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir);
xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir);
if (dir != DMA_FROM_DEVICE)
return;
......
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