From: Suman Anna Date: Mon, 20 Jul 2015 22:33:26 +0000 (-0500) Subject: iommu/omap: Protect omap-iopgtable.h against double inclusion X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ad8e29a0804494bff5f0059df3805423ed2020b8;p=linux-beck.git 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 Reviewed-by: Laurent Pinchart Signed-off-by: Joerg Roedel --- 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 */