1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
3 #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
4
5 /**
6 * ffs - find first bit set
7 * @x: the word to search
8 *
9 * This is defined the same way as
10 * the libc and compiler builtin ffs routines, therefore
11 * differs in spirit from the above ffz (man ffs).
12 */
13 static __always_inline int ffs(int x)
14 {
15 return __builtin_ffs(x);
16 }
17
18 #endif