Merge tag 'nfs-for-3.7-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
[firefly-linux-kernel-4.4.55.git] / include / asm-generic / bitops / builtin-__ffs.h
1 #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
2 #define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
3
4 /**
5  * __ffs - find first bit in word.
6  * @word: The word to search
7  *
8  * Undefined if no bit exists, so code should check against 0 first.
9  */
10 static __always_inline unsigned long __ffs(unsigned long word)
11 {
12         return __builtin_ctzl(word);
13 }
14
15 #endif