Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: (24 commits)
  [SPARC]: Add solaris/sunos binary support to feature removal schedule.
  [SPARC]: Merge asm-sparc{,64}/a.out.h
  [SPARC]: Merge asm-sparc{,64}/fb.h
  [SPARC]: Merge asm-sparc{,64}/errno.h
  [SPARC]: Merge asm-sparc{,64}/emergency-restart.h
  [SPARC]: Merge asm-sparc{,64}/div64.h
  [SPARC]: Merge asm-sparc{,64}/device.h
  [SPARC]: Merge asm-sparc{,64}/current.h
  [SPARC]: Merge asm-sparc{,64}/cputime.h
  [SPARC]: Merge asm-sparc{,64}/cache.h
  [SPARC]: Merge asm-sparc{,64}/byteorder.h
  [SPARC]: Merge asm-sparc{,64}/bugs.h
  [SPARC]: Merge asm-sparc{,64}/bug.h
  [SPARC]: Kill BSD errno translation table and header files.
  [SPARC]: Merge asm-sparc{,64}/bpp.h
  [SPARC]: Merge include/asm-sparc{,64}/auxvec.h
  [SPARC]: Merge include/asm-sparc{,64}/of_device.h
  [SPARC]: Merge include/asm-sparc{,64}/prom.h
  [SPARC]: Remove of_platform_device_create
  [SPARC64]: Add kretprobe support.
  ...

1 files changed, 47 insertions, 4 deletions

diff --git a/include/asm-sparc/byteorder.h b/include/asm-sparc/byteorder.h
index a2949aea48ef..bcd83aa351c5 100644
--- a/include/asm-sparc/byteorder.h
+++ b/include/asm-sparc/byteorder.h
@@ -1,12 +1,55 @@
-/* $Id: byteorder.h,v 1.15 1997/12/16 19:20:44 davem Exp $ */
 #ifndef _SPARC_BYTEORDER_H
 #define _SPARC_BYTEORDER_H
 
 #include <asm/types.h>
+#include <asm/asi.h>
+
+#ifdef __GNUC__
+
+#ifdef CONFIG_SPARC32
+#define __SWAB_64_THRU_32__
+#endif
+
+#ifdef CONFIG_SPARC64
+
+static inline __u16 ___arch__swab16p(const __u16 *addr)
+{
+        __u16 ret;
+
+        __asm__ __volatile__ ("lduha [%1] %2, %0"
+                              : "=r" (ret)
+                              : "r" (addr), "i" (ASI_PL));
+        return ret;
+}
+
+static inline __u32 ___arch__swab32p(const __u32 *addr)
+{
+        __u32 ret;
+
+        __asm__ __volatile__ ("lduwa [%1] %2, %0"
+                              : "=r" (ret)
+                              : "r" (addr), "i" (ASI_PL));
+        return ret;
+}
+
+static inline __u64 ___arch__swab64p(const __u64 *addr)
+{
+        __u64 ret;
+
+        __asm__ __volatile__ ("ldxa [%1] %2, %0"
+                              : "=r" (ret)
+                              : "r" (addr), "i" (ASI_PL));
+        return ret;
+}
+
+#define __arch__swab16p(x) ___arch__swab16p(x)
+#define __arch__swab32p(x) ___arch__swab32p(x)
+#define __arch__swab64p(x) ___arch__swab64p(x)
+
+#endif /* CONFIG_SPARC64 */
+
+#define __BYTEORDER_HAS_U64__
 
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
 #endif
 
 #include <linux/byteorder/big_endian.h>