1 files changed, 10 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 65c6be6c8180..4eba796c00d4 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -55,6 +55,16 @@ static inline int atomic_dec_and_test(atomic_t *v)
         return c != 0;
 }
 
+static inline int atomic_dec_and_test_lt(atomic_t *v)
+{
+        char c;
+        __asm__ __volatile__(
+                "subql #1,%1; slt %0"
+                : "=d" (c), "=m" (*v)
+                : "m" (*v));
+        return c != 0;
+}
+
 static inline int atomic_inc_and_test(atomic_t *v)
 {
         char c;