| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 | ||||