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