[10/11] swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page
diff mbox series

Message ID 20190905113408.3104-11-hch@lst.de
State Accepted
Commit bf7954e797cded8afa2550d0872afde3823c533e
Headers show
Series
  • [01/11] xen/arm: use dma-noncoherent.h calls for xen-swiotlb cache maintainance
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Commit Message

Christoph Hellwig Sept. 5, 2019, 11:34 a.m. UTC
No need for a no-op wrapper.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
---
 drivers/xen/swiotlb-xen.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

Patch
diff mbox series

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 @@  static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
  * 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);
 
 }