Index: linux-2.6.27.6/arch/avr32/include/asm/byteorder.h
===================================================================
--- linux-2.6.27.6.orig/arch/avr32/include/asm/byteorder.h	2008-11-28 16:47:15.000000000 +0100
+++ linux-2.6.27.6/arch/avr32/include/asm/byteorder.h	2008-11-28 16:47:31.000000000 +0100
@@ -7,8 +7,9 @@
 #include <asm/types.h>
 #include <linux/compiler.h>
 
-#define __BIG_ENDIAN
+#define __BIG_ENDIAN 4321
 #define __SWAB_64_THRU_32__
+#define __BYTEORDER_HAS_U64__
 
 #ifdef __CHECKER__
 extern unsigned long __builtin_bswap_32(unsigned long x);
@@ -33,5 +34,5 @@
 #define __arch_swab32 __arch_swab32
 #endif
 
-#include <linux/byteorder.h>
+#include <linux/byteorder/big_endian.h>
 #endif /* __ASM_AVR32_BYTEORDER_H */
Index: linux-2.6.27.6/arch/avr32/mach-at32ap/include/mach/io.h
===================================================================
--- linux-2.6.27.6.orig/arch/avr32/mach-at32ap/include/mach/io.h	2008-11-28 16:47:58.000000000 +0100
+++ linux-2.6.27.6/arch/avr32/mach-at32ap/include/mach/io.h	2008-11-28 16:48:15.000000000 +0100
@@ -1,7 +1,7 @@
 #ifndef __ASM_AVR32_ARCH_AT32AP_IO_H
 #define __ASM_AVR32_ARCH_AT32AP_IO_H
 
-#include <linux/swab.h>
+#include <linux/byteorder/swabb.h>
 
 #if defined(CONFIG_AP700X_32_BIT_SMC)
 # define __swizzle_addr_b(addr)	(addr ^ 3UL)