diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 24565687ac9bc06548bfa8dd17bfb488bcd96291..81d887869620b40fafd3b21c76d85643a6247d0d 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -151,7 +151,7 @@ static const struct i2c_algo_bit_data parport_algo_data = {
 
 /* ----- I2c and parallel port call-back functions and structures --------- */
 
-void i2c_parport_irq(void *data)
+static void i2c_parport_irq(void *data)
 {
 	struct i2c_par *adapter = data;
 	struct i2c_client *ara = adapter->ara;