diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index a5ca179a83b3..63761db61384 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -600,7 +600,7 @@ out:
 	return ret;
 }
 
-int ioc4_ide_attach_one(struct ioc4_driver_data *idd)
+static int ioc4_ide_attach_one(struct ioc4_driver_data *idd)
 {
 	/*
 	 * PCI-RT does not bring out IDE connection.