EDGEPORT_MSR_DSR 1635 drivers/usb/serial/io_edgeport.c 		  | ((msr & EDGEPORT_MSR_DSR)	? TIOCM_DSR: 0);  /* 0x100 */
EDGEPORT_MSR_DSR 2431 drivers/usb/serial/io_ti.c 		  | ((msr & EDGEPORT_MSR_DSR)	? TIOCM_DSR: 0);  /* 0x100 */