release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-tegra/include/mach/barriers.h

   1 /*
   2  * arch/arm/mach-realview/include/mach/barriers.h
   3  *
   4  * Copyright (C) 2010 ARM Ltd.
   5  * Written by Catalin Marinas <catalin.marinas@arm.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  */
  20
  21 #ifndef __MACH_BARRIERS_H
  22 #define __MACH_BARRIERS_H
  23
  24 #include <asm/outercache.h>
  25
  26 #define rmb()           dmb()
  27 #define wmb()           do { dsb(); outer_sync(); } while (0)
  28 #define mb()            wmb()
  29
  30 #endif  /* __MACH_BARRIERS_H */