From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Thu, 27 Oct 2011 06:45:18 +0000 (+0900)
Subject: pch_uart: Fix hw-flow control issue
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a1d7cfe29f13cf45f8094929864b9c66bf0cd91b;p=linux-beck.git

pch_uart: Fix hw-flow control issue

Using hardware flow control,
currently, register of the control-bit(AFE) is not set.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 21febef926aa..2f07a6702eab 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1280,6 +1280,7 @@ static void pch_uart_set_termios(struct uart_port *port,
 	if (rtn)
 		goto out;
 
+	pch_uart_set_mctrl(&priv->port, priv->port.mctrl);
 	/* Don't rewrite B0 */
 	if (tty_termios_baud_rate(termios))
 		tty_termios_encode_baud_rate(termios, baud, baud);