diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
index aa367a2c846ca2aa5fa171c99ed10ed29be8a0e5..3c2cc0082f57ee307b217569bfc1a57cef5d9e57 100644
--- a/drivers/mfd/twl6030-irq.c
+++ b/drivers/mfd/twl6030-irq.c
@@ -236,7 +236,7 @@ static inline void activate_irq(int irq)
 #endif
 }
 
-int twl6030_irq_set_wake(struct irq_data *d, unsigned int on)
+static int twl6030_irq_set_wake(struct irq_data *d, unsigned int on)
 {
 	if (on)
 		atomic_inc(&twl6030_wakeirqs);