diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
index 8dea02a..114efb1 100644
--- a/include/asm-m68k/io.h
+++ b/include/asm-m68k/io.h
@@ -211,4 +211,11 @@
 	*addr = val;
 }
 
+static inline void sync(void)
+{
+	/* This sync function is for PowerPC or other architecture instruction
+	 * ColdFire does not have this instruction. Dummy function, added for
+	 * compatibility (CFI driver)
+	 */
+}
 #endif				/* __ASM_M68K_IO_H__ */