diff options
Diffstat (limited to 'lib/iommu-helper.c')
-rw-r--r-- | lib/iommu-helper.c | 9 |
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 | } |
40 | EXPORT_SYMBOL(iommu_area_alloc); | 40 | EXPORT_SYMBOL(iommu_area_alloc); |
41 | |||
42 | unsigned 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 | } | ||
49 | EXPORT_SYMBOL(iommu_num_pages); | ||