From 341e9a323af95ac141b4df41e2697d626da14e3f Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Sat, 30 Sep 2017 08:43:49 -0700
Subject: [PATCH] lib/gcd: add kernel-doc notation
Add kernel-doc notation for the gcd() function (so that it can be
added to the kernel-api documentation).
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---
lib/gcd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/gcd.c b/lib/gcd.c
index 135ee6407a5e..227dea924425 100644
--- a/lib/gcd.c
+++ b/lib/gcd.c
@@ -13,6 +13,12 @@
#if !defined(CONFIG_CPU_NO_EFFICIENT_FFS) && !defined(CPU_NO_EFFICIENT_FFS)
/* If __ffs is available, the even/odd algorithm benchmarks slower. */
+
+/**
+ * gcd - calculate and return the greatest common divisor of 2 unsigned longs
+ * @a: first value
+ * @b: second value
+ */
unsigned long gcd(unsigned long a, unsigned long b)
{
unsigned long r = a | b;