diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index ecbd141e0ef2..12710ed180be 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -231,7 +231,7 @@ inline int check_gpio(unsigned gpio)
 }
 #endif
 
-void gpio_error(unsigned gpio)
+static void gpio_error(unsigned gpio)
 {
 	printk(KERN_ERR "bfin-gpio: GPIO %d wasn't requested!\n", gpio);
 }