1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h b/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
new file mode 100644
index 0000000000..045498c513
--- /dev/null
+++ b/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/log2.h>
+
+static inline int ffs64(u64 x)
+{
+	return __ilog2_u64(x & -x) + 1ull;
+}