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| 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 in word. |
| 7 | * @word: The word to search |
| 8 | * |
| 9 | * Undefined if no bit exists, so code should check against 0 first. |
| 10 | */ |
| 11 | static __always_inline unsigned long __ffs(unsigned long word) |
| 12 | { |
| 13 | return __builtin_ctzl(word); |
| 14 | } |
| 15 | |
| 16 | #endif |
| 17 |
Warning: This file is not a C or C++ file. It does not have highlighting.