aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/amd_iommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
-rw-r--r--arch/x86/kernel/amd_iommu.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 85704418644a..a5dedb690a9a 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1341,13 +1341,6 @@ out:
1341 return addr; 1341 return addr;
1342} 1342}
1343 1343
1344static dma_addr_t map_single(struct device *dev, phys_addr_t paddr,
1345 size_t size, int dir)
1346{
1347 return map_page(dev, pfn_to_page(paddr >> PAGE_SHIFT),
1348 paddr & ~PAGE_MASK, size, dir, NULL);
1349}
1350
1351/* 1344/*
1352 * The exported unmap_single function for dma_ops. 1345 * The exported unmap_single function for dma_ops.
1353 */ 1346 */
@@ -1378,12 +1371,6 @@ static void unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
1378 spin_unlock_irqrestore(&domain->lock, flags); 1371 spin_unlock_irqrestore(&domain->lock, flags);
1379} 1372}
1380 1373
1381static void unmap_single(struct device *dev, dma_addr_t dma_addr,
1382 size_t size, int dir)
1383{
1384 return unmap_page(dev, dma_addr, size, dir, NULL);
1385}
1386
1387/* 1374/*
1388 * This is a special map_sg function which is used if we should map a 1375 * This is a special map_sg function which is used if we should map a
1389 * device which is not handled by an AMD IOMMU in the system. 1376 * device which is not handled by an AMD IOMMU in the system.
@@ -1664,8 +1651,6 @@ static void prealloc_protection_domains(void)
1664static struct dma_mapping_ops amd_iommu_dma_ops = { 1651static struct dma_mapping_ops amd_iommu_dma_ops = {
1665 .alloc_coherent = alloc_coherent, 1652 .alloc_coherent = alloc_coherent,
1666 .free_coherent = free_coherent, 1653 .free_coherent = free_coherent,
1667 .map_single = map_single,
1668 .unmap_single = unmap_single,
1669 .map_page = map_page, 1654 .map_page = map_page,
1670 .unmap_page = unmap_page, 1655 .unmap_page = unmap_page,
1671 .map_sg = map_sg, 1656 .map_sg = map_sg,