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authorTony Lindgren <tony@atomide.com>2017-11-28 07:06:34 -0800
committerTony Lindgren <tony@atomide.com>2017-11-28 07:06:34 -0800
commit2db57789e6612ce0cf2fcbb577a1c8307b708566 (patch)
treedd9f9e3dffabbf5cb932fcf5055ab329ca940fa0 /lib/gcd.c
parentARM: OMAP2+: Fix smatch found issue for omap_device (diff)
parentARM: OMAP2+: Missing error code in omap_device_build() (diff)
Merge branch 'soc-fixes' into omap-for-v4.15/fixes
Diffstat (limited to 'lib/gcd.c')
-rw-r--r--lib/gcd.c6
1 files changed, 6 insertions, 0 deletions
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;