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authorChristoph Hellwig <hch@lst.de>2019-07-24 16:18:41 +0200
committerChristoph Hellwig <hch@lst.de>2019-09-11 12:43:27 +0200
commitbf7954e797cded8afa2550d0872afde3823c533e (patch)
treea5ec46fb18aa3ceb235bea13e5d79e840f5f3f38 /drivers/xen
parentb4dca1512941aa8fec33c28939abc2bba4a2c78c (diff)
swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page
No need for a no-op wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index f81031f0c1c7..1190934098eb 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -418,9 +418,8 @@ done:
* After this call, reads by the cpu to the buffer are guaranteed to see
* whatever the device wrote there.
*/
-static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
- size_t size, enum dma_data_direction dir,
- unsigned long attrs)
+static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
+ size_t size, enum dma_data_direction dir, unsigned long attrs)
{
phys_addr_t paddr = xen_bus_to_phys(dev_addr);
@@ -434,13 +433,6 @@ static void xen_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
swiotlb_tbl_unmap_single(hwdev, paddr, size, dir, attrs);
}
-static void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
- size_t size, enum dma_data_direction dir,
- unsigned long attrs)
-{
- xen_unmap_single(hwdev, dev_addr, size, dir, attrs);
-}
-
static void
xen_swiotlb_sync_single_for_cpu(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction dir)
@@ -481,7 +473,8 @@ xen_swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
BUG_ON(dir == DMA_NONE);
for_each_sg(sgl, sg, nelems, i)
- xen_unmap_single(hwdev, sg->dma_address, sg_dma_len(sg), dir, attrs);
+ xen_swiotlb_unmap_page(hwdev, sg->dma_address, sg_dma_len(sg),
+ dir, attrs);
}