| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame^] | 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_ */ | ||||