x86: use the new byteorder headers

Impact: cleanup, no functionality changed

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/byteorder.h b/arch/x86/include/asm/byteorder.h
index e02ae2d89acf13936aad26502e485aa6ddae0b65..f110ad417df3e0121333cbb06564a492ef8be2c2 100644 (file)
--- a/arch/x86/include/asm/byteorder.h
+++ b/arch/x86/include/asm/byteorder.h
@@ -4,26 +4,33 @@
 #include <asm/types.h>
 #include <linux/compiler.h>
 
-#ifdef __GNUC__
+#define __LITTLE_ENDIAN
 
-#ifdef __i386__
-
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
 {
-#ifdef CONFIG_X86_BSWAP
-       asm("bswap %0" : "=r" (x) : "0" (x));
-#else
+#ifdef __i386__
+# ifdef CONFIG_X86_BSWAP
+       asm("bswap %0" : "=r" (val) : "0" (val));
+# else
        asm("xchgb %b0,%h0\n\t" /* swap lower bytes     */
            "rorl $16,%0\n\t"   /* swap words           */
            "xchgb %b0,%h0"     /* swap higher bytes    */
-           : "=q" (x)
-           : "0" (x));
+           : "=q" (val)
+           : "0" (val));
+# endif
+
+#else /* __i386__ */
+       asm("bswapl %0"
+           : "=r" (val)
+           : "0" (val));
 #endif
-       return x;
+       return val;
 }
+#define __arch_swab32 __arch_swab32
 
-static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
+static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
 {
+#ifdef __i386__
        union {
                struct {
                        __u32 a;
@@ -32,50 +39,27 @@ static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
                __u64 u;
        } v;
        v.u = val;
-#ifdef CONFIG_X86_BSWAP
+# ifdef CONFIG_X86_BSWAP
        asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
            : "=r" (v.s.a), "=r" (v.s.b)
            : "0" (v.s.a), "1" (v.s.b));
-#else
-       v.s.a = ___arch__swab32(v.s.a);
-       v.s.b = ___arch__swab32(v.s.b);
+# else
+       v.s.a = __arch_swab32(v.s.a);
+       v.s.b = __arch_swab32(v.s.b);
        asm("xchgl %0,%1"
            : "=r" (v.s.a), "=r" (v.s.b)
            : "0" (v.s.a), "1" (v.s.b));
-#endif
+# endif
        return v.u;
-}
-
 #else /* __i386__ */
-
-static inline __attribute_const__ __u64 ___arch__swab64(__u64 x)
-{
        asm("bswapq %0"
-           : "=r" (x)
-           : "0" (x));
-       return x;
-}
-
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
-{
-       asm("bswapl %0"
-           : "=r" (x)
-           : "0" (x));
-       return x;
-}
-
+           : "=r" (val)
+           : "0" (val));
+       return val;
 #endif
+}
+#define __arch_swab64 __arch_swab64
 
-/* Do not define swab16.  Gcc is smart enough to recognize "C" version and
-   convert it into rotation or exhange.  */
-
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#define __BYTEORDER_HAS_U64__
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/little_endian.h>
+#include <linux/byteorder.h>
 
 #endif /* _ASM_X86_BYTEORDER_H */