This patch adds lib/gcd.c which contains a greatest
common divider implementation taken from
sound/core/pcm_timer.c
Signed-off-by: Florian Fainelli <florian@xxxxxxxxxxx>
diff --git a/lib/gcd.c b/lib/gcd.c
new file mode 100644
index 0000000..fbf81a8
--- /dev/null
+++ b/lib/gcd.c
@@ -0,0 +1,20 @@
+#include <linux/gcd.h>
+#include <linux/module.h>
+
+/* Greatest common divisor */
+unsigned long gcd(unsigned long a, unsigned long b)
+{
+ unsigned long r;
+
+ if (a < b) {
+ r = a;
+ a = b;
+ b = r;
+ }
+ while ((r = a % b) != 0) {
+ a = b;
+ b = r;
+ }
+ return b;
+}
+EXPORT_SYMBOL(gcd);