diff options
Diffstat (limited to 'lib/iommu-helper.c')
| -rw-r--r-- | lib/iommu-helper.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c index c0251f4ad08..c27e269210c 100644 --- a/lib/iommu-helper.c +++ b/lib/iommu-helper.c @@ -2,8 +2,9 @@ * IOMMU helper functions for the free area management */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/bitmap.h> +#include <linux/bug.h> int iommu_is_span_boundary(unsigned int index, unsigned int nr, unsigned long shift, @@ -38,12 +39,3 @@ again: return -1; } EXPORT_SYMBOL(iommu_area_alloc); - -unsigned long iommu_num_pages(unsigned long addr, unsigned long len, - unsigned long io_page_size) -{ - unsigned long size = (addr & (io_page_size - 1)) + len; - - return DIV_ROUND_UP(size, io_page_size); -} -EXPORT_SYMBOL(iommu_num_pages); |