From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 31 Dec 2008 23:42:18 +0000 (+1030)
Subject: m68k: define __fls
X-Git-Tag: v3.12-rc1~16819^2~11^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=434ae514c23047db87a8bbf39cebc9e1767aea44;p=kernel%2Fkernel-generic.git

m68k: define __fls

Like fls, but can't be handed 0 and returns the bit number.

(I broke this arch in linux-next by using __fls in generic code).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h
index 3e81064..9bde784 100644
--- a/include/asm-m68k/bitops.h
+++ b/include/asm-m68k/bitops.h
@@ -315,6 +315,11 @@ static inline int fls(int x)
 	return 32 - cnt;
 }
 
+static inline int __fls(int x)
+{
+	return fls(x) - 1;
+}
+
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/hweight.h>