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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2014-11-21 14:09:39 +0300
committerDavid Vrabel <david.vrabel@citrix.com>2014-12-04 15:41:55 +0300
commitd6883e6f32e07ef2cc974753ba00927de099e6d7 (patch)
tree37e45c5db85c9755bc0e826a42cb3f407aef294f /drivers/xen
parentda095a996090a412c3b6292c7a8680661dca157d (diff)
downloadlinux-d6883e6f32e07ef2cc974753ba00927de099e6d7.tar.xz
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
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 3725ee4ff43c..498b6544fd62 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -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;