blackfin: 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, 50 insertions, 42 deletions

diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild
index 606ecfdcc962..d0d1ac435544 100644
--- a/arch/blackfin/include/asm/Kbuild
+++ b/arch/blackfin/include/asm/Kbuild
@@ -1,3 +1,4 @@
 include include/asm-generic/Kbuild.asm
 
 unifdef-y += fixed_code.h
+unifdef-y += swab.h
diff --git a/arch/blackfin/include/asm/byteorder.h b/arch/blackfin/include/asm/byteorder.h
index 6a673d42da18..b9e797a497b4 100644
--- a/arch/blackfin/include/asm/byteorder.h
+++ b/arch/blackfin/include/asm/byteorder.h
@@ -1,48 +1,7 @@
 #ifndef _BLACKFIN_BYTEORDER_H
 #define _BLACKFIN_BYTEORDER_H
 
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#ifdef __GNUC__
-
-static __inline__ __attribute_const__ __u32 ___arch__swahb32(__u32 xx)
-{
-        __u32 tmp;
-        __asm__("%1 = %0 >> 8 (V);\n\t"
-                "%0 = %0 << 8 (V);\n\t"
-                "%0 = %0 | %1;\n\t"
-                : "+d"(xx), "=&d"(tmp));
-        return xx;
-}
-
-static __inline__ __attribute_const__ __u32 ___arch__swahw32(__u32 xx)
-{
-        __u32 rv;
-        __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx));
-        return rv;
-}
-
-#define __arch__swahb32(x) ___arch__swahb32(x)
-#define __arch__swahw32(x) ___arch__swahw32(x)
-#define __arch__swab32(x) ___arch__swahb32(___arch__swahw32(x))
-
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 xx)
-{
-        __u32 xw = xx;
-        __asm__("%0 <<= 8;\n    %0.L = %0.L + %0.H (NS);\n": "+d"(xw));
-        return (__u16)xw;
-}
-
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#endif
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
-#endif
-
+#include <asm/swab.h>
 #include <linux/byteorder/little_endian.h>
 
 #endif                          /* _BLACKFIN_BYTEORDER_H */
diff --git a/arch/blackfin/include/asm/swab.h b/arch/blackfin/include/asm/swab.h
new file mode 100644
index 000000000000..69a051b612bd
--- /dev/null
+++ b/arch/blackfin/include/asm/swab.h
@@ -0,0 +1,48 @@
+#ifndef _BLACKFIN_SWAB_H
+#define _BLACKFIN_SWAB_H
+
+#include <asm/types.h>
+#include <linux/compiler.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __SWAB_64_THRU_32__
+#endif
+
+#ifdef __GNUC__
+
+static __inline__ __attribute_const__ __u32 __arch_swahb32(__u32 xx)
+{
+        __u32 tmp;
+        __asm__("%1 = %0 >> 8 (V);\n\t"
+                "%0 = %0 << 8 (V);\n\t"
+                "%0 = %0 | %1;\n\t"
+                : "+d"(xx), "=&d"(tmp));
+        return xx;
+}
+#define __arch_swahb32 __arch_swahb32
+
+static __inline__ __attribute_const__ __u32 __arch_swahw32(__u32 xx)
+{
+        __u32 rv;
+        __asm__("%0 = PACK(%1.L, %1.H);\n\t": "=d"(rv): "d"(xx));
+        return rv;
+}
+#define __arch_swahw32 __arch_swahw32
+
+static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 xx)
+{
+        return __arch_swahb32(__arch_swahw32(xx));
+}
+#define __arch_swab32 __arch_swab32
+
+static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 xx)
+{
+        __u32 xw = xx;
+        __asm__("%0 <<= 8;\n    %0.L = %0.L + %0.H (NS);\n": "+d"(xw));
+        return (__u16)xw;
+}
+#define __arch_swab16 __arch_swab16
+
+#endif /* __GNUC__ */
+
+#endif                          /* _BLACKFIN_SWAB_H */