From aa0effbd1c0269ce7dd13be8dbf13e6b04f30ebd Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Tue, 13 Jan 2009 19:31:29 -0800
Subject: [PATCH] cris: introduce asm/swab.h
Adjust the arch overrides to the new names as well.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
.../arch-v10/arch/{byteorder.h => swab.h} | 16 ++++++++-----
arch/cris/include/arch-v32/arch/byteorder.h | 20 ----------------
arch/cris/include/arch-v32/arch/swab.h | 24 +++++++++++++++++++
arch/cris/include/asm/Kbuild | 1 +
arch/cris/include/asm/byteorder.h | 20 +---------------
arch/cris/include/asm/swab.h | 8 +++++++
6 files changed, 44 insertions(+), 45 deletions(-)
rename arch/cris/include/arch-v10/arch/{byteorder.h => swab.h} (55%)
delete mode 100644 arch/cris/include/arch-v32/arch/byteorder.h
create mode 100644 arch/cris/include/arch-v32/arch/swab.h
create mode 100644 arch/cris/include/asm/swab.h
diff --git a/arch/cris/include/arch-v10/arch/byteorder.h b/arch/cris/include/arch-v10/arch/swab.h
similarity index 55%
rename from arch/cris/include/arch-v10/arch/byteorder.h
rename to arch/cris/include/arch-v10/arch/swab.h
index 255b646b7fa8..e4e847d8a05e 100644
--- a/arch/cris/include/arch-v10/arch/byteorder.h
+++ b/arch/cris/include/arch-v10/arch/swab.h
@@ -1,26 +1,30 @@
-#ifndef _CRIS_ARCH_BYTEORDER_H
-#define _CRIS_ARCH_BYTEORDER_H
+#ifndef _CRIS_ARCH_SWAB_H
+#define _CRIS_ARCH_SWAB_H
#include <asm/types.h>
#include <linux/compiler.h>
+#define __SWAB_64_THRU_32__
+
/* we just define these two (as we can do the swap in a single
* asm instruction in CRIS) and the arch-independent files will put
* them together into ntohl etc.
*/
-static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
__asm__ ("swapwb %0" : "=r" (x) : "0" (x));
-
+
return(x);
}
+#define __arch_swab32 __arch_swab32
-static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
__asm__ ("swapb %0" : "=r" (x) : "0" (x));
-
+
return(x);
}
+#define __arch_swab16 __arch_swab16
#endif
diff --git a/arch/cris/include/arch-v32/arch/byteorder.h b/arch/cris/include/arch-v32/arch/byteorder.h
deleted file mode 100644
index 6ef8fb4a35f2..000000000000
--- a/arch/cris/include/arch-v32/arch/byteorder.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef _ASM_CRIS_ARCH_BYTEORDER_H
-#define _ASM_CRIS_ARCH_BYTEORDER_H
-
-#include <asm/types.h>
-
-static inline __const__ __u32
-___arch__swab32(__u32 x)
-{
- __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x));
- return (x);
-}
-
-static inline __const__ __u16
-___arch__swab16(__u16 x)
-{
- __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x));
- return (x);
-}
-
-#endif /* _ASM_CRIS_ARCH_BYTEORDER_H */
diff --git a/arch/cris/include/arch-v32/arch/swab.h b/arch/cris/include/arch-v32/arch/swab.h
new file mode 100644
index 000000000000..9a4ea5e209c2
--- /dev/null
+++ b/arch/cris/include/arch-v32/arch/swab.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_CRIS_ARCH_SWAB_H
+#define _ASM_CRIS_ARCH_SWAB_H
+
+#include <asm/types.h>
+
+#define __SWAB_64_THRU_32__
+
+static inline __const__ __u32
+__arch_swab32(__u32 x)
+{
+ __asm__ __volatile__ ("swapwb %0" : "=r" (x) : "0" (x));
+ return (x);
+}
+#define __arch_swab32 __arch_swab32
+
+static inline __const__ __u16
+__arch_swab16(__u16 x)
+{
+ __asm__ __volatile__ ("swapb %0" : "=r" (x) : "0" (x));
+ return (x);
+}
+#define __arch_swab16 __arch_swab16
+
+#endif /* _ASM_CRIS_ARCH_SWAB_H */
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index d5b631935ec8..b79b7c6543a6 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -9,3 +9,4 @@ header-y += sync_serial.h
unifdef-y += etraxgpio.h
unifdef-y += rs485.h
+unifdef-y += swab.h
diff --git a/arch/cris/include/asm/byteorder.h b/arch/cris/include/asm/byteorder.h
index cc8e418cfd14..7678d86317ae 100644
--- a/arch/cris/include/asm/byteorder.h
+++ b/arch/cris/include/asm/byteorder.h
@@ -1,25 +1,7 @@
#ifndef _CRIS_BYTEORDER_H
#define _CRIS_BYTEORDER_H
-#ifdef __GNUC__
-
-#ifdef __KERNEL__
-#include <arch/byteorder.h>
-
-/* defines are necessary because the other files detect the presence
- * of a defined __arch_swab32, not an inline
- */
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-#endif /* __KERNEL__ */
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-# define __BYTEORDER_HAS_U64__
-# define __SWAB_64_THRU_32__
-#endif
-
-#endif /* __GNUC__ */
-
+#include <asm/swab.h>
#include <linux/byteorder/little_endian.h>
#endif
diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h
new file mode 100644
index 000000000000..80668e88419c
--- /dev/null
+++ b/arch/cris/include/asm/swab.h
@@ -0,0 +1,8 @@
+#ifndef _CRIS_SWAB_H
+#define _CRIS_SWAB_H
+
+#ifdef __KERNEL__
+#include <arch/swab.h>
+#endif /* __KERNEL__ */
+
+#endif /* _CRIS_SWAB_H */
--
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