Lines Matching refs:UART_LSR
697 for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && in size_fifo()
1263 serial_in(up, UART_LSR); in autoconfig_irq()
1324 lsr = serial_in(up, UART_LSR); in serial8250_start_tx()
1461 lsr = serial_in(up, UART_LSR); in serial8250_rx_chars()
1499 if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) != in serial8250_tx_chars()
1561 status = serial_port_in(port, UART_LSR); in serial8250_handle_irq()
1631 lsr = serial_port_in(port, UART_LSR); in serial8250_tx_empty()
1717 status = serial_in(up, UART_LSR); in wait_for_xmitr()
1756 lsr = serial_port_in(port, UART_LSR); in serial8250_get_poll_char()
1866 serial_port_in(port, UART_LSR); in serial8250_do_startup()
1877 (serial_port_in(port, UART_LSR) == 0xff)) { in serial8250_do_startup()
1983 lsr = serial_port_in(port, UART_LSR); in serial8250_do_startup()
2005 serial_port_in(port, UART_LSR); in serial8250_do_startup()