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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 13:13:25 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-14 13:13:25 +0000
commit7d9aca39dcacd2b3f42e2e287162329f410f93e1 (patch)
tree2907b680b2b7625226f46d23d74ccc9c58ad0362 /include/linux/bitops.h
parente1c1c69c8fc7656c33460c8e085ac0d0be22ac3b (diff)
parenta0cc0209abb9fe2b9ab71aa41be70eddd0cbdd61 (diff)
Merge remote-tracking branch 'regmap/topic/drivers' into regmap-next
Resolved simple add/add conflicts: drivers/base/regmap/internal.h drivers/base/regmap/regmap.c
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 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