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-rw-r--r--drivers/iommu/dma-iommu.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 5f49ed653f98..f0305e6aac1b 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -752,21 +752,6 @@ out_free_pages:
return NULL;
}
-/**
- * __iommu_dma_mmap - Map a buffer into provided user VMA
- * @pages: Array representing buffer from __iommu_dma_alloc()
- * @size: Size of buffer in bytes
- * @vma: VMA describing requested userspace mapping
- *
- * Maps the pages of the buffer in @pages into @vma. The caller is responsible
- * for verifying the correct size and protection of @vma beforehand.
- */
-static int __iommu_dma_mmap(struct page **pages, size_t size,
- struct vm_area_struct *vma)
-{
- return vm_map_pages(vma, pages, PAGE_ALIGN(size) >> PAGE_SHIFT);
-}
-
static void iommu_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
@@ -1287,7 +1272,7 @@ static int iommu_dma_mmap(struct device *dev, struct vm_area_struct *vma,
struct page **pages = dma_common_find_pages(cpu_addr);
if (pages)
- return __iommu_dma_mmap(pages, size, vma);
+ return vm_map_pages(vma, pages, nr_pages);
pfn = vmalloc_to_pfn(cpu_addr);
} else {
pfn = page_to_pfn(virt_to_page(cpu_addr));