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path: root/drivers/iommu/dma-iommu.c
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Diffstat (limited to 'drivers/iommu/dma-iommu.c')
-rw-r--r--drivers/iommu/dma-iommu.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 4078358ed66e..255533faf905 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -1197,34 +1197,6 @@ static void *iommu_dma_alloc(struct device *dev, size_t size,
return cpu_addr;
}
-#ifdef CONFIG_DMA_REMAP
-static void *iommu_dma_alloc_noncoherent(struct device *dev, size_t size,
- dma_addr_t *handle, enum dma_data_direction dir, gfp_t gfp)
-{
- if (!gfpflags_allow_blocking(gfp)) {
- struct page *page;
-
- page = dma_common_alloc_pages(dev, size, handle, dir, gfp);
- if (!page)
- return NULL;
- return page_address(page);
- }
-
- return iommu_dma_alloc_remap(dev, size, handle, gfp | __GFP_ZERO,
- PAGE_KERNEL, 0);
-}
-
-static void iommu_dma_free_noncoherent(struct device *dev, size_t size,
- void *cpu_addr, dma_addr_t handle, enum dma_data_direction dir)
-{
- __iommu_dma_unmap(dev, handle, size);
- __iommu_dma_free(dev, size, cpu_addr);
-}
-#else
-#define iommu_dma_alloc_noncoherent NULL
-#define iommu_dma_free_noncoherent NULL
-#endif /* CONFIG_DMA_REMAP */
-
static int iommu_dma_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs)
@@ -1295,8 +1267,6 @@ static const struct dma_map_ops iommu_dma_ops = {
.free = iommu_dma_free,
.alloc_pages = dma_common_alloc_pages,
.free_pages = dma_common_free_pages,
- .alloc_noncoherent = iommu_dma_alloc_noncoherent,
- .free_noncoherent = iommu_dma_free_noncoherent,
.mmap = iommu_dma_mmap,
.get_sgtable = iommu_dma_get_sgtable,
.map_page = iommu_dma_map_page,