diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 81f909c2101f..ffee9825fbac 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1926,13 +1926,8 @@ static void serial8250_put_poll_char(struct uart_port *port, wait_for_xmitr(up, BOTH_EMPTY); /* * Send the character out. - * If a LF, also do CR... */ serial_port_out(port, UART_TX, c); - if (c == 10) { - wait_for_xmitr(up, BOTH_EMPTY); - serial_port_out(port, UART_TX, 13); - } /* * Finally, wait for transmitter to become empty diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e194bb32b27b..0cb6a8e52bd0 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -1590,13 +1590,8 @@ static void pch_uart_put_poll_char(struct uart_port *port, wait_for_xmitr(priv, UART_LSR_THRE); /* * Send the character out. - * If a LF, also do CR... */ iowrite8(c, priv->membase + PCH_UART_THR); - if (c == 10) { - wait_for_xmitr(priv, UART_LSR_THRE); - iowrite8(13, priv->membase + PCH_UART_THR); - } /* * Finally, wait for transmitter to become empty diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index f9f20f383760..9e7ee39f8b2a 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -711,13 +711,8 @@ static void serial_pxa_put_poll_char(struct uart_port *port, wait_for_xmitr(up); /* * Send the character out. - * If a LF, also do CR... */ serial_out(up, UART_TX, c); - if (c == 10) { - wait_for_xmitr(up); - serial_out(up, UART_TX, 13); - } /* * Finally, wait for transmitter to become empty diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index f26834d262b3..5dba9766f626 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2236,6 +2236,9 @@ static void uart_poll_put_char(struct tty_driver *driver, int line, char ch) return; port = state->uart_port; + + if (ch == '\n') + port->ops->poll_put_char(port, '\r'); port->ops->poll_put_char(port, ch); } #endif diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index 90a080b1f9ee..60f49b9d7e39 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -535,13 +535,8 @@ static void serial_txx9_put_poll_char(struct uart_port *port, unsigned char c) wait_for_xmitr(up); /* * Send the character out. - * If a LF, also do CR... */ sio_out(up, TXX9_SITFIFO, c); - if (c == 10) { - wait_for_xmitr(up); - sio_out(up, TXX9_SITFIFO, 13); - } /* * Finally, wait for transmitter to become empty