1 files changed, 8 insertions, 0 deletions

diff --git a/include/asm-mips/asm.h b/include/asm-mips/asm.h
index 12e17581b823..608cfcfbb3ea 100644
--- a/include/asm-mips/asm.h
+++ b/include/asm-mips/asm.h
@@ -398,4 +398,12 @@ symbol		=	value
 
 #define SSNOP           sll zero, zero, 1
 
+#ifdef CONFIG_SGI_IP28
+/* Inhibit speculative stores to volatile (e.g.DMA) or invalid addresses. */
+#include <asm/cacheops.h>
+#define R10KCBARRIER(addr)  cache   Cache_Barrier, addr;
+#else
+#define R10KCBARRIER(addr)
+#endif
+
 #endif /* __ASM_ASM_H */