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Diffstat (limited to 'arch/metag/include/asm/atomic_lock1.h')
-rw-r--r--arch/metag/include/asm/atomic_lock1.h76
1 files changed, 31 insertions, 45 deletions
diff --git a/arch/metag/include/asm/atomic_lock1.h b/arch/metag/include/asm/atomic_lock1.h
index e578955e674..f5d5898c102 100644
--- a/arch/metag/include/asm/atomic_lock1.h
+++ b/arch/metag/include/asm/atomic_lock1.h
@@ -37,55 +37,41 @@ static inline int atomic_set(atomic_t *v, int i)
return i;
}
-static inline void atomic_add(int i, atomic_t *v)
-{
- unsigned long flags;
-
- __global_lock1(flags);
- fence();
- v->counter += i;
- __global_unlock1(flags);
+#define ATOMIC_OP(op, c_op) \
+static inline void atomic_##op(int i, atomic_t *v) \
+{ \
+ unsigned long flags; \
+ \
+ __global_lock1(flags); \
+ fence(); \
+ v->counter c_op i; \
+ __global_unlock1(flags); \
+} \
+
+#define ATOMIC_OP_RETURN(op, c_op) \
+static inline int atomic_##op##_return(int i, atomic_t *v) \
+{ \
+ unsigned long result; \
+ unsigned long flags; \
+ \
+ __global_lock1(flags); \
+ result = v->counter; \
+ result c_op i; \
+ fence(); \
+ v->counter = result; \
+ __global_unlock1(flags); \
+ \
+ return result; \
}
-static inline void atomic_sub(int i, atomic_t *v)
-{
- unsigned long flags;
+#define ATOMIC_OPS(op, c_op) ATOMIC_OP(op, c_op) ATOMIC_OP_RETURN(op, c_op)
- __global_lock1(flags);
- fence();
- v->counter -= i;
- __global_unlock1(flags);
-}
-
-static inline int atomic_add_return(int i, atomic_t *v)
-{
- unsigned long result;
- unsigned long flags;
+ATOMIC_OPS(add, +=)
+ATOMIC_OPS(sub, -=)
- __global_lock1(flags);
- result = v->counter;
- result += i;
- fence();
- v->counter = result;
- __global_unlock1(flags);
-
- return result;
-}
-
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
- unsigned long result;
- unsigned long flags;
-
- __global_lock1(flags);
- result = v->counter;
- result -= i;
- fence();
- v->counter = result;
- __global_unlock1(flags);
-
- return result;
-}
+#undef ATOMIC_OPS
+#undef ATOMIC_OP_RETURN
+#undef ATOMIC_OP
static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
{