diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index fbca1ced49faac60bfffdef6ff6e19474475ff7b..640495e071444c367b0028dec97e751363431c1b 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -23,7 +23,7 @@
 
 static struct device *sysctrl_dev;
 
-void ab8500_power_off(void)
+static void ab8500_power_off(void)
 {
 	sigset_t old;
 	sigset_t all;