Lines Matching refs:UART_LSR
702 for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && in size_fifo()
1270 serial_in(up, UART_LSR); in autoconfig_irq()
1331 lsr = serial_in(up, UART_LSR); in serial8250_start_tx()
1468 lsr = serial_in(up, UART_LSR); in serial8250_rx_chars()
1506 if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) != in serial8250_tx_chars()
1568 status = serial_port_in(port, UART_LSR); in serial8250_handle_irq()
1638 lsr = serial_port_in(port, UART_LSR); in serial8250_tx_empty()
1724 status = serial_in(up, UART_LSR); in wait_for_xmitr()
1763 lsr = serial_port_in(port, UART_LSR); in serial8250_get_poll_char()
1873 serial_port_in(port, UART_LSR); in serial8250_do_startup()
1884 (serial_port_in(port, UART_LSR) == 0xff)) { in serial8250_do_startup()
1993 lsr = serial_port_in(port, UART_LSR); in serial8250_do_startup()
2015 serial_port_in(port, UART_LSR); in serial8250_do_startup()