generic, x86: fix add iommu_num_pages helper function

[linux-2.6-omap-h63xx.git] / include / asm-x86 / iommu.h

diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h
index ecc8061904a9ee27210d27efd74dfe4534212fb6..5f888cc5be49a0eb87fab02d32ec050a686d0387 100644 (file)
--- a/include/asm-x86/iommu.h
+++ b/include/asm-x86/iommu.h
@@ -7,6 +7,8 @@ extern struct dma_mapping_ops nommu_dma_ops;
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
 
+extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len);
+
 #ifdef CONFIG_GART_IOMMU
 extern int gart_iommu_aperture;
 extern int gart_iommu_aperture_allowed;