diff options
Diffstat (limited to 'arch/sparc/lib/atomic32.c')
| -rw-r--r-- | arch/sparc/lib/atomic32.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index 1d32b54089aa..a7c418ac26af 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -27,18 +27,23 @@ static DEFINE_SPINLOCK(dummy); #endif /* SMP */ -int __atomic_add_return(int i, atomic_t *v) -{ - int ret; - unsigned long flags; - spin_lock_irqsave(ATOMIC_HASH(v), flags); - - ret = (v->counter += i); - - spin_unlock_irqrestore(ATOMIC_HASH(v), flags); - return ret; -} -EXPORT_SYMBOL(__atomic_add_return); +#define ATOMIC_OP(op, cop) \ +int atomic_##op##_return(int i, atomic_t *v) \ +{ \ + int ret; \ + unsigned long flags; \ + spin_lock_irqsave(ATOMIC_HASH(v), flags); \ + \ + ret = (v->counter cop i); \ + \ + spin_unlock_irqrestore(ATOMIC_HASH(v), flags); \ + return ret; \ +} \ +EXPORT_SYMBOL(atomic_##op##_return); + +ATOMIC_OP(add, +=) + +#undef ATOMIC_OP int atomic_cmpxchg(atomic_t *v, int old, int new) { |