diff options
Diffstat (limited to 'include/asm-generic/bitops/builtin-fls.h')
| -rw-r--r-- | include/asm-generic/bitops/builtin-fls.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-generic/bitops/builtin-fls.h b/include/asm-generic/bitops/builtin-fls.h index eda652d0ac7f..be707da8c7cd 100644 --- a/include/asm-generic/bitops/builtin-fls.h +++ b/include/asm-generic/bitops/builtin-fls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_ @@ -8,7 +9,7 @@ * This is defined the same way as ffs. * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. */ -static __always_inline int fls(int x) +static __always_inline __attribute_const__ int fls(unsigned int x) { return x ? sizeof(x) * 8 - __builtin_clz(x) : 0; } |