diff options
author | Tony Lindgren <tony@atomide.com> | 2012-02-24 16:48:27 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2012-02-24 16:48:27 -0800 |
commit | ffd76d8be36da09f8456c55569c008f5aa93095e (patch) | |
tree | 4a5e537edcdd3be9197c5fb7af1b4f7e4780ef77 /include/linux/bitops.h | |
parent | bfe9c8ae114009491f51452ec727667d516ee79f (diff) | |
parent | f0e15e2b0c6b3e89daade25a1e9a2d80136c14c3 (diff) |
Merge branch 'for_3.4/dts_updates' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into dt
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 |