diff options
Diffstat (limited to 'include/asm-generic/bitops/builtin-ffs.h')
-rw-r--r-- | include/asm-generic/bitops/builtin-ffs.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/asm-generic/bitops/builtin-ffs.h b/include/asm-generic/bitops/builtin-ffs.h new file mode 100644 index 000000000..458c85ebc --- /dev/null +++ b/include/asm-generic/bitops/builtin-ffs.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ +#define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ + +/** + * ffs - find first bit set + * @x: the word to search + * + * This is defined the same way as + * the libc and compiler builtin ffs routines, therefore + * differs in spirit from the above ffz (man ffs). + */ +static __always_inline int ffs(int x) +{ + return __builtin_ffs(x); +} + +#endif |