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>
git-mirror · Dec 31, 2008 · 434ae51 · 434ae51
1 parent ccec25f
commit 434ae51
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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>