harvey.harrison at gmail
Aug 18, 2008, 5:48 PM
Post #1 of 1
(103 views)
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[PATCH 20/23] xtensa: use the new byteorder headers
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Signed-off-by: Harvey Harrison <harvey.harrison [at] gmail>
---
include/asm-xtensa/byteorder.h | 32 +++++++++++++++-----------------
1 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/include/asm-xtensa/byteorder.h b/include/asm-xtensa/byteorder.h
index 765edf1..07d10ad 100644
--- a/include/asm-xtensa/byteorder.h
+++ b/include/asm-xtensa/byteorder.h
@@ -14,7 +14,17 @@
#include <asm/types.h>
#include <linux/compiler.h>
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __XTENSA_EL__
+# define __LITTLE_ENDIAN
+#elif defined(__XTENSA_EB__)
+# define __BIG_ENDIAN
+#else
+# error processor byte order undefined!
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__u32 res;
/* instruction sequence from Xtensa ISA release 2/2000 */
@@ -28,8 +38,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
);
return res;
}
+#define __arch_swab32 __arch_swab32
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
/* Given that 'short' values are signed (i.e., can be negative),
* we cannot assume that the upper 16-bits of the register are
@@ -62,21 +73,8 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
return res;
}
+#define __arch_swab16 __arch_swab16
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __XTENSA_EL__
-# include <linux/byteorder/little_endian.h>
-#elif defined(__XTENSA_EB__)
-# include <linux/byteorder/big_endian.h>
-#else
-# error processor byte order undefined!
-#endif
+#include <linux/byteorder.h>
#endif /* _XTENSA_BYTEORDER_H */
--
1.6.0.274.g8aacc
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