usb: misc: usb3503_probe() can be static

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/misc/usb3503.c

@@ -178,7 +178,7 @@ static int usb3503_switch_mode(struct usb3503 *hub, enum usb3503_mode mode)
 	return err;
 }
 
-int usb3503_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
+static int usb3503_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 {
 	struct usb3503_platform_data *pdata = i2c->dev.platform_data;
 	struct usb3503 *hub;