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authorSuman Anna <s-anna@ti.com>2015-07-20 17:33:26 -0500
committerJoerg Roedel <jroedel@suse.de>2015-08-03 16:03:52 +0200
commitad8e29a0804494bff5f0059df3805423ed2020b8 (patch)
tree0a590706db6ff2c2bb266d948ddd688c1675a61c /drivers/iommu/omap-iopgtable.h
parent69c2c196328e73d3091dd0be89ab4b0c2af4b210 (diff)
iommu/omap: Protect omap-iopgtable.h against double inclusion
Protect the omap-pgtable.h header against double inclusion in source code by using the standard include guard mechanism. Signed-off-by: Suman Anna <s-anna@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/omap-iopgtable.h')
-rw-r--r--drivers/iommu/omap-iopgtable.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iopgtable.h b/drivers/iommu/omap-iopgtable.h
index f891683e3f05..bfde5405f514 100644
--- a/drivers/iommu/omap-iopgtable.h
+++ b/drivers/iommu/omap-iopgtable.h
@@ -10,6 +10,9 @@
* published by the Free Software Foundation.
*/
+#ifndef _OMAP_IOPGTABLE_H
+#define _OMAP_IOPGTABLE_H
+
/*
* "L2 table" address mask and size definitions.
*/
@@ -93,3 +96,5 @@ static inline phys_addr_t omap_iommu_translate(u32 d, u32 va, u32 mask)
/* to find an entry in the second-level page table. */
#define iopte_index(da) (((da) >> IOPTE_SHIFT) & (PTRS_PER_IOPTE - 1))
#define iopte_offset(iopgd, da) (iopgd_page_vaddr(iopgd) + iopte_index(da))
+
+#endif /* _OMAP_IOPGTABLE_H */