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Lines Matching defs:lsr

2034 	u_char lsr;
2057 		lsr = get[1];
2058 		if (ISSET(lsr, LSR_OE | LSR_BI | LSR_FE | LSR_PE)) {
2059 			if (ISSET(lsr, LSR_OE)) {
2065 			if (ISSET(lsr, LSR_BI | LSR_FE))
2067 			if (ISSET(lsr, LSR_PE))
2213 	u_char lsr, iir;
2289 		lsr = CSR_READ_1(regsp, COM_REG_LSR);
2290 		if (ISSET(lsr, LSR_BI)) {
2306 			lsr |= LSR_RXRDY;
2308 		if (ISSET(lsr, LSR_RCV_MASK) &&
2313 				put[1] = lsr;
2323 				lsr = CSR_READ_1(regsp, COM_REG_LSR);
2324 				if (!ISSET(lsr, LSR_RCV_MASK))
2423 	 * Read LSR again, since there may be an interrupt between
2424 	 * the last LSR read and IIR read above.
2426 	lsr = CSR_READ_1(regsp, COM_REG_LSR);
2433 	if (ISSET(lsr, LSR_TXRDY)) {
2478 	rnd_add_uint32(&sc->rnd_source, iir | lsr);