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authorHarvey Harrison <harvey.harrison@gmail.com>2008-10-18 20:28:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 08:52:40 -0700
commitacf0108a84edae22b99655eb2f6f6c9f7ec4d449 (patch)
treebfd93125ccff25c774c2e4d71a8ba537312950ab /include
parentb8e465f4945bc0e9f324e3bbe15f5180a8e9a6fe (diff)
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byteorder: use generic C version for value byteswapping
This makes the new implementation of the byteorder helpers match the old in how it degraded when an arch-defined version was not available: 1) swab() - look for arch defined - if not, use generic c version 2) swabp() - look for arch-defined - if not, deref pointer and use swab() 3) swabs() - look for arch defined - if not, use swabp Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/swab.h10
1 files changed, 0 insertions, 10 deletions
diff --git a/include/linux/swab.h b/include/linux/swab.h
index 270d5c208a8..bbed279f3b3 100644
--- a/include/linux/swab.h
+++ b/include/linux/swab.h
@@ -47,8 +47,6 @@ static inline __attribute_const__ __u16 ___swab16(__u16 val)
{
#ifdef __arch_swab16
return __arch_swab16(val);
-#elif defined(__arch_swab16p)
- return __arch_swab16p(&val);
#else
return __const_swab16(val);
#endif
@@ -58,8 +56,6 @@ static inline __attribute_const__ __u32 ___swab32(__u32 val)
{
#ifdef __arch_swab32
return __arch_swab32(val);
-#elif defined(__arch_swab32p)
- return __arch_swab32p(&val);
#else
return __const_swab32(val);
#endif
@@ -69,8 +65,6 @@ static inline __attribute_const__ __u64 ___swab64(__u64 val)
{
#ifdef __arch_swab64
return __arch_swab64(val);
-#elif defined(__arch_swab64p)
- return __arch_swab64p(&val);
#elif defined(__SWAB_64_THRU_32__)
__u32 h = val >> 32;
__u32 l = val & ((1ULL << 32) - 1);
@@ -84,8 +78,6 @@ static inline __attribute_const__ __u32 ___swahw32(__u32 val)
{
#ifdef __arch_swahw32
return __arch_swahw32(val);
-#elif defined(__arch_swahw32p)
- return __arch_swahw32p(&val);
#else
return __const_swahw32(val);
#endif
@@ -95,8 +87,6 @@ static inline __attribute_const__ __u32 ___swahb32(__u32 val)
{
#ifdef __arch_swahb32
return __arch_swahb32(val);
-#elif defined(__arch_swahb32p)
- return __arch_swahb32p(&val);
#else
return __const_swahb32(val);
#endif