linux-kernel - [PATCH 1/2] serial,mfd: Fix CMSPAR setup

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Message-ID: <20111110131752.13023.60767.stgit@bob.linux.org.uk>
Date:	Thu, 10 Nov 2011 13:17:55 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] serial,mfd: Fix CMSPAR setup

From: Alan Cox <alan@...ux.intel.com>

This is referenced the wrong way. Mika Westerberg added some checks to the
tty to support multiple console, but the real problem is simply referencing the
termios object via the wrong path.

Signed-off-by: Alan Cox <alan@...ux.intel.com>
---

 drivers/tty/serial/mfd.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)


diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 286c386..e272d39 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -884,7 +884,6 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
 {
 	struct uart_hsu_port *up =
 			container_of(port, struct uart_hsu_port, port);
-	struct tty_struct *tty = port->state->port.tty;
 	unsigned char cval, fcr = 0;
 	unsigned long flags;
 	unsigned int baud, quot;
@@ -907,8 +906,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios,
 	}
 
 	/* CMSPAR isn't supported by this driver */
-	if (tty)
-		tty->termios->c_cflag &= ~CMSPAR;
+	termios->c_cflag &= ~CMSPAR;
 
 	if (termios->c_cflag & CSTOPB)
 		cval |= UART_LCR_STOP;

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