mips: introduce asm/swab.h

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 59 insertions, 49 deletions

diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 7897f05e3165..023866c0c102 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -1,3 +1,4 @@
 include include/asm-generic/Kbuild.asm
 
 header-y += cachectl.h sgidefs.h sysmips.h
+header-y += swab.h
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index 33790b9e0cc0..607b71830707 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -8,60 +8,14 @@
 #ifndef _ASM_BYTEORDER_H
 #define _ASM_BYTEORDER_H
 
-#include <linux/compiler.h>
-#include <asm/types.h>
+#include <asm/swab.h>
 
 #if defined(__MIPSEB__)
-# define __BIG_ENDIAN
+#include <linux/byteorder/big_endian.h>
 #elif defined(__MIPSEL__)
-# define __LITTLE_ENDIAN
+#include <linux/byteorder/little_endian.h>
 #else
 # error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
 #endif
 
-#define __SWAB_64_THRU_32__
-
-#ifdef CONFIG_CPU_MIPSR2
-
-static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
-{
-        __asm__(
-        "       wsbh    %0, %1                  \n"
-        : "=r" (x)
-        : "r" (x));
-
-        return x;
-}
-#define __arch_swab16 __arch_swab16
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
-{
-        __asm__(
-        "       wsbh    %0, %1                  \n"
-        "       rotr    %0, %0, 16              \n"
-        : "=r" (x)
-        : "r" (x));
-
-        return x;
-}
-#define __arch_swab32 __arch_swab32
-
-#ifdef CONFIG_CPU_MIPS64_R2
-static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
-{
-        __asm__(
-        "       dsbh    %0, %1\n"
-        "       dshd    %0, %0"
-        : "=r" (x)
-        : "r" (x));
-
-        return x;
-}
-#define __arch_swab64 __arch_swab64
-#endif /* CONFIG_CPU_MIPS64_R2 */
-
-#endif /* CONFIG_CPU_MIPSR2 */
-
-#include <linux/byteorder.h>
-
 #endif /* _ASM_BYTEORDER_H */
diff --git a/arch/mips/include/asm/swab.h b/arch/mips/include/asm/swab.h
new file mode 100644
index 000000000000..88f1f7d555cb
--- /dev/null
+++ b/arch/mips/include/asm/swab.h
@@ -0,0 +1,55 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 99, 2003 by Ralf Baechle
+ */
+#ifndef _ASM_SWAB_H
+#define _ASM_SWAB_H
+
+#include <linux/compiler.h>
+#include <asm/types.h>
+
+#define __SWAB_64_THRU_32__
+
+#ifdef CONFIG_CPU_MIPSR2
+
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
+{
+        __asm__(
+        "       wsbh    %0, %1                  \n"
+        : "=r" (x)
+        : "r" (x));
+
+        return x;
+}
+#define __arch_swab16 __arch_swab16
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
+{
+        __asm__(
+        "       wsbh    %0, %1                  \n"
+        "       rotr    %0, %0, 16              \n"
+        : "=r" (x)
+        : "r" (x));
+
+        return x;
+}
+#define __arch_swab32 __arch_swab32
+
+#ifdef CONFIG_CPU_MIPS64_R2
+static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
+{
+        __asm__(
+        "       dsbh    %0, %1\n"
+        "       dshd    %0, %0"
+        : "=r" (x)
+        : "r" (x));
+
+        return x;
+}
+#define __arch_swab64 __arch_swab64
+#endif /* CONFIG_CPU_MIPS64_R2 */
+#endif /* CONFIG_CPU_MIPSR2 */
+#endif /* _ASM_SWAB_H */