Lines Matching defs:rsr
122 unsigned int status, ch, flag, rsr, max_count = 256;
135 rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
136 if (unlikely(rsr & UART01x_RSR_ANY)) {
139 if (rsr & UART01x_RSR_BE) {
140 rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
144 } else if (rsr & UART01x_RSR_PE)
146 else if (rsr & UART01x_RSR_FE)
148 if (rsr & UART01x_RSR_OE)
151 rsr &= uap->port.read_status_mask;
153 if (rsr & UART01x_RSR_BE)
155 else if (rsr & UART01x_RSR_PE)
157 else if (rsr & UART01x_RSR_FE)
164 uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);