arch: Cleanup read_barrier_depends() and comments

[deliverable/linux.git] / arch / sparc / include / asm / barrier_64.h

diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
index 305dcc3dc721261b3a84fd402acd247956b60a08..6c974c0977adebd3bb76f46a501c6d2996f3a19c 100644 (file)
--- a/arch/sparc/include/asm/barrier_64.h
+++ b/arch/sparc/include/asm/barrier_64.h
@@ -37,7 +37,6 @@ do {  __asm__ __volatile__("ba,pt     %%xcc, 1f\n\t" \
 #define rmb()  __asm__ __volatile__("":::"memory")
 #define wmb()  __asm__ __volatile__("":::"memory")
 
-#define read_barrier_depends()         do { } while(0)
 #define set_mb(__var, __value) \
        do { __var = __value; membar_safe("#StoreLoad"); } while(0)
 
@@ -51,7 +50,8 @@ do {  __asm__ __volatile__("ba,pt     %%xcc, 1f\n\t" \
 #define smp_wmb()      __asm__ __volatile__("":::"memory")
 #endif
 
-#define smp_read_barrier_depends()     do { } while(0)
+#define read_barrier_depends()         do { } while (0)
+#define smp_read_barrier_depends()     do { } while (0)
 
 #define smp_store_release(p, v)                                                \
 do {                                                                   \