| /* |
| * OMAP memory barrier header. |
| * |
| * Copyright (C) 2011 Texas Instruments, Inc. |
| * Santosh Shilimkar <santosh.shilimkar@ti.com> |
| * Richard Woodruff <r-woodruff2@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef __MACH_BARRIERS_H |
| #define __MACH_BARRIERS_H |
| |
| #include <linux/types.h> |
| |
| /* provide func ptr so to allow safe calling at any point */ |
| struct omap_bus_post_fns { |
| void (*sync)(void); |
| }; |
| |
| extern struct omap_bus_post_fns omap_bus_post; |
| |
| #ifdef CONFIG_ARCH_OMAP4 |
| static inline void bus_sync(void) |
| { |
| omap_bus_post.sync(); |
| } |
| #else |
| static inline void bus_sync(void) |
| { } |
| #endif |
| |
| #define rmb() dsb() |
| #define wmb() do { dsb(); outer_sync(); bus_sync(); } while (0) |
| #define mb() wmb() |
| |
| #endif /* __MACH_BARRIERS_H */ |
