linux-kernel - [18/53] pch_uart: Fix hw-flow control issue

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Message-Id: <20111123002406.302082558@clark.kroah.org>
Date:	Tue, 22 Nov 2011 16:23:25 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>,
	Alan Cox <alan@...ux.intel.com>
Subject: [18/53] pch_uart: Fix hw-flow control issue

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>

commit a1d7cfe29f13cf45f8094929864b9c66bf0cd91b upstream.

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@....lapis-semi.com>
Acked-by: Alan Cox <alan@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/tty/serial/pch_uart.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1277,6 +1277,7 @@ static void pch_uart_set_termios(struct
 	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);


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