X-Git-Url: http://git.onelab.eu/?p=linux-2.6.git;a=blobdiff_plain;f=include%2Fasm-arm%2Fatomic.h;h=2885972b0855cafb87e922641560d3fcd9c4c2d8;hp=dc96af6e9caab82fca8c797f2db6bac83260b861;hb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;hpb=e3f6fb6212a7102bdb56ba38fa1e98fe72950475

diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index dc96af6e9..2885972b0 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)