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swiotlb-xen: pass dev_addr to xen_dma_unmap_page and xen_dma_sync_single_for_cpu 

xen_dma_unmap_page and xen_dma_sync_single_for_cpu take a dma_addr_t
handle as argument, not a physical address.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: stable@vger.kernel.org
This commit is contained in:
Stefano Stabellini 2014-11-21 11:09:39 +00:00 committed by David Vrabel
parent da095a9960
commit d6883e6f32
1 changed files with 3 additions and 3 deletions
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6
drivers/xen/swiotlb-xen.c
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@ -449,7 +449,7 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
BUG_ON(dir == DMA_NONE);
xen_dma_unmap_page(hwdev, paddr, size, dir, attrs);
xen_dma_unmap_page(hwdev, dev_addr, size, dir, attrs);
/* NOTE: We use dev_addr here, not paddr! */
if (is_xen_swiotlb_buffer(dev_addr)) {
@ -497,14 +497,14 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
BUG_ON(dir == DMA_NONE);
if (target == SYNC_FOR_CPU)
xen_dma_sync_single_for_cpu(hwdev, paddr, size, dir);
xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir);
/* NOTE: We use dev_addr here, not paddr! */
if (is_xen_swiotlb_buffer(dev_addr))
swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);
if (target == SYNC_FOR_DEVICE)
xen_dma_sync_single_for_cpu(hwdev, paddr, size, dir);
xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir);
if (dir != DMA_FROM_DEVICE)
return;