diff --git a/arch/s390/include/asm/byteorder.h b/arch/s390/include/asm/byteorder.h
index 1fe2492baa8d141414c66f343f6ddae3e30eeed5..8bcf277c84680a14e9403c4f113ebf7627016cf3 100644
--- a/arch/s390/include/asm/byteorder.h
+++ b/arch/s390/include/asm/byteorder.h
@@ -11,32 +11,39 @@
 
 #include <asm/types.h>
 
-#ifdef __GNUC__
+#define __BIG_ENDIAN
+
+#ifndef __s390x__
+# define __SWAB_64_THRU_32__
+#endif
 
 #ifdef __s390x__
-static inline __u64 ___arch__swab64p(const __u64 *x)
+static inline __u64 __arch_swab64p(const __u64 *x)
 {
 	__u64 result;
 
 	asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
 	return result;
 }
+#define __arch_swab64p __arch_swab64p
 
-static inline __u64 ___arch__swab64(__u64 x)
+static inline __u64 __arch_swab64(__u64 x)
 {
 	__u64 result;
 
 	asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
 	return result;
 }
+#define __arch_swab64 __arch_swab64
 
-static inline void ___arch__swab64s(__u64 *x)
+static inline void __arch_swab64s(__u64 *x)
 {
-	*x = ___arch__swab64p(x);
+	*x = __arch_swab64p(x);
 }
+#define __arch_swab64s __arch_swab64s
 #endif /* __s390x__ */
 
-static inline __u32 ___arch__swab32p(const __u32 *x)
+static inline __u32 __arch_swab32p(const __u32 *x)
 {
 	__u32 result;
 	
@@ -53,25 +60,20 @@ static inline __u32 ___arch__swab32p(const __u32 *x)
 #endif /* __s390x__ */
 	return result;
 }
+#define __arch_swab32p __arch_swab32p
 
-static inline __u32 ___arch__swab32(__u32 x)
+#ifdef __s390x__
+static inline __u32 __arch_swab32(__u32 x)
 {
-#ifndef __s390x__
-	return ___arch__swab32p(&x);
-#else /* __s390x__ */
 	__u32 result;
 	
 	asm volatile("lrvr  %0,%1" : "=d" (result) : "d" (x));
 	return result;
-#endif /* __s390x__ */
-}
-
-static __inline__ void ___arch__swab32s(__u32 *x)
-{
-	*x = ___arch__swab32p(x);
 }
+#define __arch_swab32 __arch_swab32
+#endif /* __s390x__ */
 
-static __inline__ __u16 ___arch__swab16p(const __u16 *x)
+static inline __u16 __arch_swab16p(const __u16 *x)
 {
 	__u16 result;
 	
@@ -86,40 +88,8 @@ static __inline__ __u16 ___arch__swab16p(const __u16 *x)
 #endif /* __s390x__ */
 	return result;
 }
+#define __arch_swab16p __arch_swab16p
 
-static __inline__ __u16 ___arch__swab16(__u16 x)
-{
-	return ___arch__swab16p(&x);
-}
-
-static __inline__ void ___arch__swab16s(__u16 *x)
-{
-	*x = ___arch__swab16p(x);
-}
-
-#ifdef __s390x__
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab64p(x) ___arch__swab64p(x)
-#define __arch__swab64s(x) ___arch__swab64s(x)
-#endif /* __s390x__ */
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-#define __arch__swab32p(x) ___arch__swab32p(x)
-#define __arch__swab16p(x) ___arch__swab16p(x)
-#define __arch__swab32s(x) ___arch__swab32s(x)
-#define __arch__swab16s(x) ___arch__swab16s(x)
-
-#ifndef __s390x__
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
-#endif
-#else /* __s390x__ */
-#define __BYTEORDER_HAS_U64__
-#endif /* __s390x__ */
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>
 
 #endif /* _S390_BYTEORDER_H */