diff options
author | Kevin Hilman <khilman@ti.com> | 2012-03-05 15:37:04 -0800 |
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committer | Kevin Hilman <khilman@ti.com> | 2012-03-05 15:37:04 -0800 |
commit | 015f1e4297ad32f83251f3f4cee2389ce5516e9e (patch) | |
tree | 1b16e317005dc3d09b0551a4db9182f7f4119f71 /include/linux/bitops.h | |
parent | 1b35af54ee9cbbdd13fed53fd4acb0952ba522e1 (diff) | |
parent | 9cf793f9b8b1ba9414e2a7591b2e911885f85a27 (diff) |
Merge remote-tracking branch 'omap/hsmmc' into for_3.4/cleanup/pm-base
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 3c1063acb2a..94300fe46cc 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 |