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-rw-r--r--lib/iommu-helper.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index c0251f4ad08b..da053313ee5c 100644
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -38,12 +38,3 @@ again:
38 return -1; 38 return -1;
39} 39}
40EXPORT_SYMBOL(iommu_area_alloc); 40EXPORT_SYMBOL(iommu_area_alloc);
41
42unsigned long iommu_num_pages(unsigned long addr, unsigned long len,
43 unsigned long io_page_size)
44{
45 unsigned long size = (addr & (io_page_size - 1)) + len;
46
47 return DIV_ROUND_UP(size, io_page_size);
48}
49EXPORT_SYMBOL(iommu_num_pages);