diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/blackfin/include/asm/barrier.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/blackfin/include/asm/barrier.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/ANDROID_3.4.5/arch/blackfin/include/asm/barrier.h b/ANDROID_3.4.5/arch/blackfin/include/asm/barrier.h deleted file mode 100644 index ebb18950..00000000 --- a/ANDROID_3.4.5/arch/blackfin/include/asm/barrier.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright 2004-2009 Analog Devices Inc. - * Tony Kou (tonyko@lineo.ca) - * - * Licensed under the GPL-2 or later - */ - -#ifndef _BLACKFIN_BARRIER_H -#define _BLACKFIN_BARRIER_H - -#include <asm/cache.h> - -#define nop() __asm__ __volatile__ ("nop;\n\t" : : ) - -/* - * Force strict CPU ordering. - */ -#ifdef CONFIG_SMP - -#ifdef __ARCH_SYNC_CORE_DCACHE -/* Force Core data cache coherence */ -# define mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0) -# define rmb() do { barrier(); smp_check_barrier(); } while (0) -# define wmb() do { barrier(); smp_mark_barrier(); } while (0) -# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0) -#else -# define mb() barrier() -# define rmb() barrier() -# define wmb() barrier() -# define read_barrier_depends() do { } while (0) -#endif - -#else /* !CONFIG_SMP */ - -#define mb() barrier() -#define rmb() barrier() -#define wmb() barrier() -#define read_barrier_depends() do { } while (0) - -#endif /* !CONFIG_SMP */ - -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define set_mb(var, value) do { var = value; mb(); } while (0) -#define smp_read_barrier_depends() read_barrier_depends() - -#endif /* _BLACKFIN_BARRIER_H */ |