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Commit ad8e29a0 authored by Suman Anna's avatar Suman Anna Committed by Joerg Roedel
Browse files

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: default avatarSuman Anna <s-anna@ti.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 69c2c196

drivers/iommu/omap-iopgtable.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */