metag: reuse asm-generic/barrier.h
[cascardo/linux.git] / arch / metag / include / asm / barrier.h
index 172b7e5..b5b778b 100644 (file)
@@ -44,9 +44,6 @@ static inline void wr_fence(void)
 #define rmb()          barrier()
 #define wmb()          mb()
 
-#define dma_rmb()      rmb()
-#define dma_wmb()      wmb()
-
 #ifndef CONFIG_SMP
 #define fence()                do { } while (0)
 #define smp_mb()        barrier()
@@ -81,27 +78,9 @@ static inline void fence(void)
 #endif
 #endif
 
-#define read_barrier_depends()         do { } while (0)
-#define smp_read_barrier_depends()     do { } while (0)
-
-#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); smp_mb(); } while (0)
-
-#define smp_store_release(p, v)                                                \
-do {                                                                   \
-       compiletime_assert_atomic_type(*p);                             \
-       smp_mb();                                                       \
-       WRITE_ONCE(*p, v);                                              \
-} while (0)
-
-#define smp_load_acquire(p)                                            \
-({                                                                     \
-       typeof(*p) ___p1 = READ_ONCE(*p);                               \
-       compiletime_assert_atomic_type(*p);                             \
-       smp_mb();                                                       \
-       ___p1;                                                          \
-})
-
 #define smp_mb__before_atomic()        barrier()
 #define smp_mb__after_atomic() barrier()
 
+#include <asm-generic/barrier.h>
+
 #endif /* _ASM_METAG_BARRIER_H */