diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-01-31 01:25:51 +0100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 01:25:51 +0100 |
| commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
| tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /include/asm-sh/atomic.h | |
| parent | Merge branch 'for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-mpc52xx (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog (diff) | |
| download | linux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.tar.xz linux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'include/asm-sh/atomic.h')
| -rw-r--r-- | include/asm-sh/atomic.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-sh/atomic.h b/include/asm-sh/atomic.h index e12570b9339d..c043ef003028 100644 --- a/include/asm-sh/atomic.h +++ b/include/asm-sh/atomic.h @@ -17,7 +17,9 @@ typedef struct { volatile int counter; } atomic_t; #include <linux/compiler.h> #include <asm/system.h> -#ifdef CONFIG_CPU_SH4A +#if defined(CONFIG_GUSA_RB) +#include <asm/atomic-grb.h> +#elif defined(CONFIG_CPU_SH4A) #include <asm/atomic-llsc.h> #else #include <asm/atomic-irq.h> @@ -44,6 +46,7 @@ typedef struct { volatile int counter; } atomic_t; #define atomic_inc(v) atomic_add(1,(v)) #define atomic_dec(v) atomic_sub(1,(v)) +#ifndef CONFIG_GUSA_RB static inline int atomic_cmpxchg(atomic_t *v, int old, int new) { int ret; @@ -58,8 +61,6 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) return ret; } -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - static inline int atomic_add_unless(atomic_t *v, int a, int u) { int ret; @@ -73,6 +74,9 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) return ret != u; } +#endif + +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) /* Atomic operations are already serializing on SH */ |