linux-kernel - [PATCH] serial: bfin-sport-uart: Add tty ASYNC_CTS

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Message-ID: <1323159754-15687-1-git-send-email-sonic.adi@gmail.com>
Date:	Tue, 6 Dec 2011 16:22:34 +0800
From:	Sonic Zhang <sonic.adi@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>, <linux-serial@...r.kernel.org>
CC:	LKML <linux-kernel@...r.kernel.org>,
	<uclinux-dist-devel@...ckfin.uclinux.org>,
	Sonic Zhang <sonic.zhang@...log.com>
Subject: [PATCH] serial: bfin-sport-uart: Add tty ASYNC_CTS_FLOW flag to do CTS flow control.

From: Sonic Zhang <sonic.zhang@...log.com>

Signed-off-by: Sonic Zhang <sonic.zhang@...log.com>
---
 drivers/tty/serial/bfin_sport_uart.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/bfin_sport_uart.c b/drivers/tty/serial/bfin_sport_uart.c
index f650526..7fbc3a0 100644
--- a/drivers/tty/serial/bfin_sport_uart.c
+++ b/drivers/tty/serial/bfin_sport_uart.c
@@ -810,8 +810,10 @@ static int __devinit sport_uart_probe(struct platform_device *pdev)
 		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 		if (res == NULL)
 			sport->cts_pin = -1;
-		else
+		else {
 			sport->cts_pin = res->start;
+			sport->port.flags |= ASYNC_CTS_FLOW;
+		}
 
 		res = platform_get_resource(pdev, IORESOURCE_IO, 1);
 		if (res == NULL)
-- 
1.7.0.4


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