diff --git a/[refs] b/[refs]
index 476f85708a2d..2e3a482df37e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e7be853df79fe8ae08ba7d933bd21e1dbb0db7bc
+refs/heads/master: e86d6b66f5b38680746b2cb71186d90af17f150f
diff --git a/trunk/include/asm-sh/processor.h b/trunk/include/asm-sh/processor.h
index eeb0f48bb99e..e99aff706cf7 100644
--- a/trunk/include/asm-sh/processor.h
+++ b/trunk/include/asm-sh/processor.h
@@ -266,5 +266,18 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define cpu_sleep()	__asm__ __volatile__ ("sleep" : : : "memory")
 #define cpu_relax()	barrier()
 
+#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \
+    defined(CONFIG_CPU_SH4)
+#define PREFETCH_STRIDE		L1_CACHE_BYTES
+#define ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCHW
+static inline void prefetch(void *x)
+{
+	__asm__ __volatile__ ("pref @%0\n\t" : : "r" (x) : "memory");
+}
+
+#define prefetchw(x)	prefetch(x)
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_PROCESSOR_H */