diff options
Diffstat (limited to 'include/asm-arm/atomic.h')
| -rw-r--r-- | include/asm-arm/atomic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h index dc96af6e9caab..2885972b0855c 100644 --- a/include/asm-arm/atomic.h +++ b/include/asm-arm/atomic.h @@ -151,6 +151,7 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0) #define atomic_inc_return(v) (atomic_add_return(1, v)) #define atomic_dec_return(v) (atomic_sub_return(1, v)) +#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) #define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0) |