Symbol: RXFLOW_RTS
usr/src/uts/common/io/usb/clients/usbser/usbser_keyspan/keyspan_dsd.c
2786
ctrl_msg->rxFlowControl = RXFLOW_RTS;
usr/src/uts/common/io/usb/clients/usbser/usbser_keyspan/keyspan_dsd.c
2969
ctrl_msg->rxFlowControl = RXFLOW_RTS;