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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-02-21 02:32:19 -0500
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-02-21 02:32:19 -0500
commit3f60db4bde17088feed5f143582d7661cdbb9a01 (patch)
tree21a7866ae6d199cfa8f619ced9500687bdf84f18 /include/linux/bitops.h
parent5e36097889725dbe4f098c3f1e93cb2f21cae6ee (diff)
parentb01543dfe67bb1d191998e90d20534dc354de059 (diff)
Merge commit 'v3.3-rc4'
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r--include/linux/bitops.h20
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 */
63static 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 */
73static 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