From: huangdaode <huangdaode@hisilicon.com>
Date: Fri, 25 Sep 2015 14:47:23 +0800

@@ -966,7 +966,15 @@ static inline u32 dsaf_get_reg_field(void *base, u32 reg, u32 mask, u32 shift)
 #define dsaf_read_b(addr)\
 	readb((__iomem unsigned char *)(addr))
 
+#ifndef readq
+static inline u64 readq(void __iomem *reg)
+{

Nope, try instead "#include <asm/io-64-nonatomic-lo-hi.h" or
"#include <asm/io-64-nonatomic-hi-lo.h".

.