USB_USB2PHY 4452 drivers/net/usb/r8152.c ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY); USB_USB2PHY 4454 drivers/net/usb/r8152.c ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);