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authorIngo Molnar <mingo@elte.hu>2009-01-16 17:46:22 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 17:46:22 +0100
commit5a2dd72abdae75ea2960145e0549635ce4e0be96 (patch)
tree44dba0119c75679a17215200f92ab23bdde9efc2 /include/asm-mn10300/bitops.h
parentefdc64f0c792ea744bcc9203f35b908e66d42f41 (diff)
parent7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff)
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Merge branch 'linus' into irq/genirq
Diffstat (limited to 'include/asm-mn10300/bitops.h')
-rw-r--r--include/asm-mn10300/bitops.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-mn10300/bitops.h b/include/asm-mn10300/bitops.h
index cc6d40c05cf..0b610f482ab 100644
--- a/include/asm-mn10300/bitops.h
+++ b/include/asm-mn10300/bitops.h
@@ -196,6 +196,17 @@ int fls(int x)
}
/**
+ * __fls - find last (most-significant) set bit in a long word
+ * @word: the word to search
+ *
+ * Undefined if no set bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __fls(unsigned long word)
+{
+ return __ilog2_u32(word);
+}
+
+/**
* ffs - find first bit set
* @x: the word to search
*