diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-18 21:38:20 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-18 21:38:20 +0000 |
| commit | c592c761a36286ab83451daa37a21c8558ea99c0 (patch) | |
| tree | 8abf57708fabf2a915320e9515b1ae2730ebf499 /include/linux/bitops.h | |
| parent | 63236f4038f7e14762114606d95769c32cf6cac1 (diff) | |
| parent | 33499df88b711725ee473ab5478e17efd21de4b0 (diff) | |
Merge remote-tracking branch 'regulator/topic/stub' into regulator-next
Diffstat (limited to 'include/linux/bitops.h')
| -rw-r--r-- | include/linux/bitops.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 3c1063acb2ab..94300fe46cce 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -56,6 +56,26 @@ static inline unsigned long hweight_long(unsigned long w) } /** + * rol64 - rotate a 64-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 rol64(__u64 word, unsigned int shift) +{ + return (word << shift) | (word >> (64 - shift)); +} + +/** + * ror64 - rotate a 64-bit value right + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 ror64(__u64 word, unsigned int shift) +{ + return (word >> shift) | (word << (64 - shift)); +} + +/** * rol32 - rotate a 32-bit value left * @word: value to rotate * @shift: bits to roll |
