serial: 8250_lpss: Enable PSE UART Auto Flow Control

Add a call to the custom ->set_termios() which has implementation about
changing the state of RTS and CTS.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Aman Kumar <aman.kumar@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005133026.21488-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 398d2c4a40e3a9bfe25ac0cd8a4eed32257f8c29..d3bafec7619daea43e1129ad9c1f7dbef95afd70 100644 (file)
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -164,6 +164,9 @@ static int ehl_serial_setup(struct lpss8250 *lpss, struct uart_port *port)
         * matching with the registered General Purpose DMA controllers.
         */
        up->dma = dma;
+
+       port->set_termios = dw8250_do_set_termios;
+
        return 0;
 }