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author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-02-21 02:32:19 -0500 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-02-21 02:32:19 -0500 |
commit | 3f60db4bde17088feed5f143582d7661cdbb9a01 (patch) | |
tree | 21a7866ae6d199cfa8f619ced9500687bdf84f18 /include/linux/bitops.h | |
parent | 5e36097889725dbe4f098c3f1e93cb2f21cae6ee (diff) | |
parent | b01543dfe67bb1d191998e90d20534dc354de059 (diff) |
Merge commit 'v3.3-rc4'
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) | |||
56 | } | 56 | } |
57 | 57 | ||
58 | /** | 58 | /** |
59 | * rol64 - rotate a 64-bit value left | ||
60 | * @word: value to rotate | ||
61 | * @shift: bits to roll | ||
62 | */ | ||
63 | static inline __u64 rol64(__u64 word, unsigned int shift) | ||
64 | { | ||
65 | return (word << shift) | (word >> (64 - shift)); | ||
66 | } | ||
67 | |||
68 | /** | ||
69 | * ror64 - rotate a 64-bit value right | ||
70 | * @word: value to rotate | ||
71 | * @shift: bits to roll | ||
72 | */ | ||
73 | static inline __u64 ror64(__u64 word, unsigned int shift) | ||
74 | { | ||
75 | return (word >> shift) | (word << (64 - shift)); | ||
76 | } | ||
77 | |||
78 | /** | ||
59 | * rol32 - rotate a 32-bit value left | 79 | * rol32 - rotate a 32-bit value left |
60 | * @word: value to rotate | 80 | * @word: value to rotate |
61 | * @shift: bits to roll | 81 | * @shift: bits to roll |