From 4926cc21d9ac9ff9d0769db6542eabb294dcbb9b Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Sat, 3 Jan 2009 16:14:05 +1030
Subject: [PATCH] --- yaml --- r: 125711 b: refs/heads/master c:
 ee38e5140bafbf40e1bd25ab917ac8db54a27799 h: refs/heads/master i:   125709:
 845f1a61f4dd6497e40b52a41f2e9dd54c613085   125707:
 af3ad692800c4353c59b2156140f062784365cd6   125703:
 53da3b85b71043ae31fddb7c70c0ad7324144981   125695:
 66381b6b47588931d24caa9be4d080c10f9143c1 v: v3

---
 [refs]                         |  2 +-
 trunk/include/asm-frv/bitops.h | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index f2914b0f1cf0..d3fcb16588a7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0999769e6cad9b0e5abb7c513c0c3f16821f0884
+refs/heads/master: ee38e5140bafbf40e1bd25ab917ac8db54a27799
diff --git a/trunk/include/asm-frv/bitops.h b/trunk/include/asm-frv/bitops.h
index 39456ba0ec17..287f6f697ce2 100644
--- a/trunk/include/asm-frv/bitops.h
+++ b/trunk/include/asm-frv/bitops.h
@@ -339,6 +339,19 @@ int __ffs(unsigned long x)
 	return 31 - bit;
 }
 
+/**
+ * __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)
+{
+	unsigned long bit;
+	asm("scan %1,gr0,%0" : "=r"(bit) : "r"(word));
+	return bit;
+}
+
 /*
  * special slimline version of fls() for calculating ilog2_u32()
  * - note: no protection against n == 0