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 | */ |
Arnd Bergmann | 6f6573a | 2020-10-21 17:19:09 +0200 | [diff] [blame] | 13 | #define ffs(x) __builtin_ffs(x) |
Catalin Marinas | 048fa2d | 2012-09-12 22:00:53 +0100 | [diff] [blame] | 14 | |
| 15 | #endif |