linux-kernel - [PATCH v2 2/2] serial: 8250_lpss: Enable PSE UART Auto Flow Control

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Message-Id: <20211005133026.21488-2-andriy.shevchenko@linux.intel.com>
Date:   Tue,  5 Oct 2021 16:30:26 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Aman Kumar <aman.kumar@...el.com>
Subject: [PATCH v2 2/2] serial: 8250_lpss: Enable PSE UART Auto Flow Control

From: Aman Kumar <aman.kumar@...el.com>

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

Signed-off-by: Aman Kumar <aman.kumar@...el.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v2: no changes
 drivers/tty/serial/8250/8250_lpss.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 398d2c4a40e3..d3bafec7619d 100644
--- 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;
 }
 
-- 
2.33.0