xref: /linux/include/asm-generic/bitops/ffz.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_BITOPS_FFZ_H_
3 #define _ASM_GENERIC_BITOPS_FFZ_H_
4 
5 /*
6  * ffz - find first zero in word.
7  * @word: The word to search
8  *
9  * Undefined if no zero exists, so code should check against ~0UL first.
10  */
11 #define ffz(x)  __ffs(~(x))
12 
13 #endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */
14