generic, x86: fix add iommu_num_pages helper function

[linux-2.6-omap-h63xx.git] / include / linux / iommu-helper.h

diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
index 4dd4c04ff2f468a1fddbbeb47cbf7c69bea1ed1b..c975caf75385d2e634cdb151dae416e2487533a0 100644 (file)
--- a/include/linux/iommu-helper.h
+++ b/include/linux/iommu-helper.h
@@ -1,3 +1,6 @@
+extern int iommu_is_span_boundary(unsigned int index, unsigned int nr,
+                                 unsigned long shift,
+                                 unsigned long boundary_size);
 extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
                                      unsigned long start, unsigned int nr,
                                      unsigned long shift,