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authorTony Lindgren <tony@atomide.com>2012-02-24 16:48:27 -0800
committerTony Lindgren <tony@atomide.com>2012-02-24 16:48:27 -0800
commitffd76d8be36da09f8456c55569c008f5aa93095e (patch)
tree4a5e537edcdd3be9197c5fb7af1b4f7e4780ef77 /include/linux/bitops.h
parentbfe9c8ae114009491f51452ec727667d516ee79f (diff)
parentf0e15e2b0c6b3e89daade25a1e9a2d80136c14c3 (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.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)
}
/**
+ * 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