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authorIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-16 11:19:53 +0200
commit064a32d82c20cdcb0119a8b316eb520608d8c647 (patch)
treec67d534bd4458b1482c11f11c724fe93beca4f80 /include/asm-mips/bitops.h
parent0327318445d55808991a63137cfb698a90ab6adf (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into x86/memtesttip-x86-memtest-2008-06-16_09.19_Mon
Diffstat (limited to 'include/asm-mips/bitops.h')
-rw-r--r--include/asm-mips/bitops.h14
1 files changed, 5 insertions, 9 deletions
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index c2bd126c3b4e..642724734eba 100644
--- a/include/asm-mips/bitops.h
+++ b/include/asm-mips/bitops.h
@@ -558,11 +558,13 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *
__clear_bit(nr, addr);
}
+#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64)
+
/*
* Return the bit position (0..63) of the most significant 1 bit in a word
* Returns -1 if no 1 bit exists
*/
-static inline int __ilog2(unsigned long x)
+static inline unsigned long __fls(unsigned long x)
{
int lz;
@@ -591,13 +593,6 @@ static inline int __ilog2(unsigned long x)
return 63 - lz;
}
-static inline unsigned long __fls(unsigned long x)
-{
- return __ilog2(x);
-}
-
-#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64)
-
/*
* __ffs - find first bit in word.
* @word: The word to search
@@ -607,7 +602,7 @@ static inline unsigned long __fls(unsigned long x)
*/
static inline unsigned long __ffs(unsigned long word)
{
- return __ilog2(word & -word);
+ return __fls(word & -word);
}
/*
@@ -654,6 +649,7 @@ static inline int ffs(int word)
#else
#include <asm-generic/bitops/__ffs.h>
+#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>