diff options
| -rw-r--r-- | arch/arm/include/asm/bitops.h | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index b51225efe5..344e288bae 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -156,23 +156,7 @@ static inline int constant_fls(int x) #define __ffs(x) (ffs(x) - 1) #define ffz(x) __ffs(~(x)) #else /* ! __ARM__USE_GENERIC_FF */ -/* - * ffz = Find First Zero in word. Undefined if no zero exists, - * so code should check against ~0UL first.. - */ -static inline unsigned long ffz(unsigned long word) -{ - int k; - - word = ~word; - k = 31; - if (word & 0x0000ffff) { k -= 16; word <<= 16; } - if (word & 0x00ff0000) { k -= 8; word <<= 8; } - if (word & 0x0f000000) { k -= 4; word <<= 4; } - if (word & 0x30000000) { k -= 2; word <<= 2; } - if (word & 0x40000000) { k -= 1; } - return k; -} +#include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/fls.h> |