X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-mips%2Fbyteorder.h;h=fe7dc2d59b6926b7e75a18fd6c103e4d92a884db;hb=3a10c30acc4821ca000b52ed0edafd0d3bf26a52;hp=584f8128fffdb580f9973a72590c09c48c59c0cc;hpb=536ea4e4198eeaa5a73fb734ea675e621609bb7e;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-mips/byteorder.h b/include/asm-mips/byteorder.h
index 584f8128fff..fe7dc2d59b6 100644
--- a/include/asm-mips/byteorder.h
+++ b/include/asm-mips/byteorder.h
@@ -8,7 +8,6 @@
 #ifndef _ASM_BYTEORDER_H
 #define _ASM_BYTEORDER_H
 
-#include <linux/config.h>
 #include <linux/compiler.h>
 #include <asm/types.h>
 
@@ -39,6 +38,24 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
 }
 #define __arch__swab32(x)	___arch__swab32(x)
 
+#ifdef CONFIG_CPU_MIPS64_R2
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+{
+	__asm__(
+	"	dsbh	%0, %1			\n"
+	"	dshd	%0, %0			\n"
+	"	drotr	%0, %0, 32		\n"
+	: "=r" (x)
+	: "r" (x));
+
+	return x;
+}
+
+#define __arch__swab64(x)	___arch__swab64(x)
+
+#endif /* CONFIG_CPU_MIPS64_R2 */
+
 #endif /* CONFIG_CPU_MIPSR2 */
 
 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
@@ -48,9 +65,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
 
 #endif /* __GNUC__ */
 
-#if defined (__MIPSEB__)
+#if defined(__MIPSEB__)
 #  include <linux/byteorder/big_endian.h>
-#elif defined (__MIPSEL__)
+#elif defined(__MIPSEL__)
 #  include <linux/byteorder/little_endian.h>
 #else
 #  error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"