| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Akinobu Mita | 176d8b0 | 2006-03-26 01:39:08 -0800 | [diff] [blame] | 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_ */ | ||||