| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Catalin Marinas | 048fa2d | 2012-09-12 22:00:53 +0100 | [diff] [blame] | 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 |
