arm64: barriers: allow dsb macro to take option parameter

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / include / asm / barrier.h

diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index d4a63338a53c49a1085c4c72ce7330f207e3b3bf..60ac8661bee39199be957e1d09eb0225a6170b66 100644 (file)
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -25,7 +25,7 @@
 #define wfi()          asm volatile("wfi" : : : "memory")
 
 #define isb()          asm volatile("isb" : : : "memory")
-#define dsb()          asm volatile("dsb sy" : : : "memory")
+#define dsb(opt)       asm volatile("dsb sy" : : : "memory")
 
 #define mb()           dsb()
 #define rmb()          asm volatile("dsb ld" : : : "memory")