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
16