diff options
Diffstat (limited to 'include/asm-generic/bitops/__ffs.h')
| -rw-r--r-- | include/asm-generic/bitops/__ffs.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h index 39e56e1c7203..2d08c750c8a7 100644 --- a/include/asm-generic/bitops/__ffs.h +++ b/include/asm-generic/bitops/__ffs.h @@ -5,14 +5,14 @@ #include <asm/types.h> /** - * __ffs - find first bit in word. + * generic___ffs - find first bit in word. * @word: The word to search * * Undefined if no bit exists, so code should check against 0 first. */ -static __always_inline unsigned long __ffs(unsigned long word) +static __always_inline unsigned int generic___ffs(unsigned long word) { - int num = 0; + unsigned int num = 0; #if BITS_PER_LONG == 64 if ((word & 0xffffffff) == 0) { @@ -41,4 +41,8 @@ static __always_inline unsigned long __ffs(unsigned long word) return num; } +#ifndef __HAVE_ARCH___FFS +#define __ffs(word) generic___ffs(word) +#endif + #endif /* _ASM_GENERIC_BITOPS___FFS_H_ */ |