RING_E2E_UNUSED_HOPID 500 drivers/thunderbolt/nhi.c if (transmit && hop == RING_E2E_UNUSED_HOPID) RING_E2E_UNUSED_HOPID 625 drivers/thunderbolt/nhi.c hop = RING_E2E_UNUSED_HOPID << REG_RX_OPTIONS_E2E_HOP_SHIFT;