taglinefilesource code
dsr400drivers/char/ftape/fdc-io.coutb_p((fdc_data_rate & 0x03) | fdc_precomp, fdc.dsr);
dsr1103drivers/char/ftape/fdc-io.cfdc.msr = fdc.dsr = fdc_base + 4;
dsr98drivers/char/ftape/fdc-io.hunsigned short dsr;  /* Datarate Select Register (8207x only) */
dsr467drivers/char/serial.cinfo->icount.dsr++;
dsr2004drivers/char/serial.c((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
dsr2029drivers/char/serial.cput_user(cnow.dsr, &p_cuser->dsr);
dsr2757drivers/char/serial.cinfo->icount.cts = info->icount.dsr = 
dsr106include/linux/serial.hint cts, dsr, rng, dcd;
dsr128include/linux/serial.h__u32  cts, dsr, rng, dcd;