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authorKevin Hilman <khilman@ti.com>2012-03-05 15:37:04 -0800
committerKevin Hilman <khilman@ti.com>2012-03-05 15:37:04 -0800
commit015f1e4297ad32f83251f3f4cee2389ce5516e9e (patch)
tree1b16e317005dc3d09b0551a4db9182f7f4119f71 /include/linux/bitops.h
parent1b35af54ee9cbbdd13fed53fd4acb0952ba522e1 (diff)
parent9cf793f9b8b1ba9414e2a7591b2e911885f85a27 (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.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