From c6bea7d0e7e72c32bd7643a020d6c818cd0f9305 Mon Sep 17 00:00:00 2001
From: Josef Lusticky <josef@lusticky.cz>
Date: Wed, 26 Nov 2014 22:47:50 +0100
Subject: [PATCH] avr: fix divide when CLOCK_SECOND is not a power of two

---
 cpu/avr/dev/clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/avr/dev/clock.c b/cpu/avr/dev/clock.c
index cc50364ec..7fcc72063 100644
--- a/cpu/avr/dev/clock.c
+++ b/cpu/avr/dev/clock.c
@@ -72,7 +72,7 @@
 #include <avr/interrupt.h>
 
 /* Two tick counters avoid a software divide when CLOCK_SECOND is not a power of two. */
-#if CLOCK_SECOND && (CLOCK_SECOND - 1)
+#if CLOCK_SECOND & (CLOCK_SECOND - 1)
 #define TWO_COUNTERS 1
 #endif