diff options
Diffstat (limited to 'arch/arm/mach-omap2/include/mach/barriers.h')
-rw-r--r-- | arch/arm/mach-omap2/include/mach/barriers.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/include/mach/barriers.h b/arch/arm/mach-omap2/include/mach/barriers.h new file mode 100644 index 000000000000..4fa72c7cc7cd --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/barriers.h | |||
@@ -0,0 +1,31 @@ | |||
1 | /* | ||
2 | * OMAP memory barrier header. | ||
3 | * | ||
4 | * Copyright (C) 2011 Texas Instruments, Inc. | ||
5 | * Santosh Shilimkar <santosh.shilimkar@ti.com> | ||
6 | * Richard Woodruff <r-woodruff2@ti.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | #ifndef __MACH_BARRIERS_H | ||
23 | #define __MACH_BARRIERS_H | ||
24 | |||
25 | extern void omap_bus_sync(void); | ||
26 | |||
27 | #define rmb() dsb() | ||
28 | #define wmb() do { dsb(); outer_sync(); omap_bus_sync(); } while (0) | ||
29 | #define mb() wmb() | ||
30 | |||
31 | #endif /* __MACH_BARRIERS_H */ | ||