MSR_DSR           877 arch/i386/isa/pccom.c 		if (ISSET(m, MSR_DSR))
MSR_DSR          1422 arch/i386/isa/pccom.c 		if (!ISSET(delta, MSR_DCD | MSR_CTS | MSR_RI | MSR_DSR))
MSR_DSR           680 dev/ic/com.c   		if (ISSET(m, MSR_DSR))
MSR_DSR           636 dev/usb/umct.c 	if (ISSET(mstatus, MSR_DSR))