The register of USB_BP2_EN is 16 bits, so we should use
ocp_write_word(), not ocp_write_byte().
Fixes: 9370f2d05a2a ("support request_firmware for RTL8153")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        case RTL_VER_15:
        default:
                if (type == MCU_TYPE_USB) {
-                       ocp_write_byte(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
+                       ocp_write_word(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
 
                        ocp_write_word(tp, MCU_TYPE_USB, USB_BP_8, 0);
                        ocp_write_word(tp, MCU_TYPE_USB, USB_BP_9, 0);