diff options
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index ea7898cc5903..657eab2725ce 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -179,9 +179,11 @@ static inline __u8 ror8(__u8 word, unsigned int shift) /** * sign_extend32 - sign extend a 32-bit value using specified bit as sign-bit * @value: value to sign extend - * @index: 0 based bit index (0<=index<32) to sign bit + * @index: 0 based bit index (0 <= index < 32) to sign bit * * This is safe to use for 16- and 8-bit types as well. + * + * Return: 32-bit sign extended value */ static __always_inline __s32 sign_extend32(__u32 value, int index) { @@ -192,7 +194,11 @@ static __always_inline __s32 sign_extend32(__u32 value, int index) /** * sign_extend64 - sign extend a 64-bit value using specified bit as sign-bit * @value: value to sign extend - * @index: 0 based bit index (0<=index<64) to sign bit + * @index: 0 based bit index (0 <= index < 64) to sign bit + * + * This is safe to use for 32-, 16- and 8-bit types as well. + * + * Return: 64-bit sign extended value */ static __always_inline __s64 sign_extend64(__u64 value, int index) { @@ -230,7 +236,7 @@ static inline int get_count_order_long(unsigned long l) /** * parity8 - get the parity of an u8 value - * @value: the value to be examined + * @val: the value to be examined * * Determine the parity of the u8 argument. * |