diff options
Diffstat (limited to 'include/asm-mips/bitops.h')
-rw-r--r-- | include/asm-mips/bitops.h | 14 |
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 * | |||
558 | __clear_bit(nr, addr); | 558 | __clear_bit(nr, addr); |
559 | } | 559 | } |
560 | 560 | ||
561 | #if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) | ||
562 | |||
561 | /* | 563 | /* |
562 | * Return the bit position (0..63) of the most significant 1 bit in a word | 564 | * Return the bit position (0..63) of the most significant 1 bit in a word |
563 | * Returns -1 if no 1 bit exists | 565 | * Returns -1 if no 1 bit exists |
564 | */ | 566 | */ |
565 | static inline int __ilog2(unsigned long x) | 567 | static inline unsigned long __fls(unsigned long x) |
566 | { | 568 | { |
567 | int lz; | 569 | int lz; |
568 | 570 | ||
@@ -591,13 +593,6 @@ static inline int __ilog2(unsigned long x) | |||
591 | return 63 - lz; | 593 | return 63 - lz; |
592 | } | 594 | } |
593 | 595 | ||
594 | static inline unsigned long __fls(unsigned long x) | ||
595 | { | ||
596 | return __ilog2(x); | ||
597 | } | ||
598 | |||
599 | #if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) | ||
600 | |||
601 | /* | 596 | /* |
602 | * __ffs - find first bit in word. | 597 | * __ffs - find first bit in word. |
603 | * @word: The word to search | 598 | * @word: The word to search |
@@ -607,7 +602,7 @@ static inline unsigned long __fls(unsigned long x) | |||
607 | */ | 602 | */ |
608 | static inline unsigned long __ffs(unsigned long word) | 603 | static inline unsigned long __ffs(unsigned long word) |
609 | { | 604 | { |
610 | return __ilog2(word & -word); | 605 | return __fls(word & -word); |
611 | } | 606 | } |
612 | 607 | ||
613 | /* | 608 | /* |
@@ -654,6 +649,7 @@ static inline int ffs(int word) | |||
654 | #else | 649 | #else |
655 | 650 | ||
656 | #include <asm-generic/bitops/__ffs.h> | 651 | #include <asm-generic/bitops/__ffs.h> |
652 | #include <asm-generic/bitops/__fls.h> | ||
657 | #include <asm-generic/bitops/ffs.h> | 653 | #include <asm-generic/bitops/ffs.h> |
658 | #include <asm-generic/bitops/fls.h> | 654 | #include <asm-generic/bitops/fls.h> |
659 | #include <asm-generic/bitops/fls64.h> | 655 | #include <asm-generic/bitops/fls64.h> |