UPF_HARDPPS_CD    495 include/linux/serial_core.h 	if ((port->flags & UPF_HARDPPS_CD) && status)
UPF_HARDPPS_CD    558 include/linux/serial_core.h #define UART_ENABLE_MS(port,cflag)	((port)->flags & UPF_HARDPPS_CD || \