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-rw-r--r--lib/iommu-helper.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index ded1703e7e64..92a9f243c0e2 100644
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -4,17 +4,7 @@
4 */ 4 */
5 5
6#include <linux/bitmap.h> 6#include <linux/bitmap.h>
7#include <linux/bug.h> 7#include <linux/iommu-helper.h>
8
9int iommu_is_span_boundary(unsigned int index, unsigned int nr,
10 unsigned long shift,
11 unsigned long boundary_size)
12{
13 BUG_ON(!is_power_of_2(boundary_size));
14
15 shift = (shift + index) & (boundary_size - 1);
16 return shift + nr > boundary_size;
17}
18 8
19unsigned long iommu_area_alloc(unsigned long *map, unsigned long size, 9unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
20 unsigned long start, unsigned int nr, 10 unsigned long start, unsigned int nr,