USB_R0_P30_LANE0_TX2RX_LOOPBACK 25 drivers/phy/amlogic/phy-meson-gxl-usb3.c #define USB_R0_P30_LANE0_TX2RX_LOOPBACK BIT(17) USB_R0_P30_LANE0_TX2RX_LOOPBACK 54 drivers/usb/dwc3/dwc3-meson-g12a.c #define USB_R0_P30_LANE0_TX2RX_LOOPBACK BIT(17)