From c7bce3097c0f9bbed76ee6fd03742f2624031a45 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Sat, 30 Sep 2006 23:27:24 -0700
Subject: [PATCH] serial: Fix up offenders peering at baud bits directly

Stop some other people peering into the baud bits on their own and make
them use the tty_get_baud_rate() helper as a preperation for the move to
the new termios.  Corrected dependancy previous one had on new termios
structs

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/char/moxa.c | 80 ++++-------------------------------------------------
 1 file changed, 6 insertions(+), 74 deletions(-)

(limited to 'drivers/char/moxa.c')

diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index a369dd6877d8..c1a6d3c48da1 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -260,7 +260,7 @@ static void MoxaPortEnable(int);
 static void MoxaPortDisable(int);
 static long MoxaPortGetMaxBaud(int);
 static long MoxaPortSetBaud(int, long);
-static int MoxaPortSetTermio(int, struct termios *);
+static int MoxaPortSetTermio(int, struct termios *, speed_t);
 static int MoxaPortGetLineOut(int, int *, int *);
 static void MoxaPortLineCtrl(int, int, int);
 static void MoxaPortFlowCtrl(int, int, int, int, int, int);
@@ -986,7 +986,7 @@ static void set_tty_param(struct tty_struct *tty)
 	if (ts->c_iflag & IXANY)
 		xany = 1;
 	MoxaPortFlowCtrl(ch->port, rts, cts, txflow, rxflow, xany);
-	MoxaPortSetTermio(ch->port, ts);
+	MoxaPortSetTermio(ch->port, ts, tty_get_baud_rate(tty));
 }
 
 static int block_till_ready(struct tty_struct *tty, struct file *filp,
@@ -1900,9 +1900,10 @@ int MoxaPortsOfCard(int cardno)
  *
  *      Function 12:    Configure the port.
  *      Syntax:
- *      int  MoxaPortSetTermio(int port, struct termios *termio);
+ *      int  MoxaPortSetTermio(int port, struct termios *termio, speed_t baud);
  *           int port           : port number (0 - 127)
  *           struct termios * termio : termio structure pointer
+ *	     speed_t baud	: baud rate
  *
  *           return:    -1      : this port is invalid or termio == NULL
  *                      0       : setting O.K.
@@ -2182,11 +2183,10 @@ long MoxaPortSetBaud(int port, long baud)
 	return (baud);
 }
 
-int MoxaPortSetTermio(int port, struct termios *termio)
+int MoxaPortSetTermio(int port, struct termios *termio, speed_t baud)
 {
 	void __iomem *ofsAddr;
 	tcflag_t cflag;
-	long baud;
 	tcflag_t mode = 0;
 
 	if (moxaChkPort[port] == 0 || termio == 0)
@@ -2222,77 +2222,9 @@ int MoxaPortSetTermio(int port, struct termios *termio)
 
 	moxafunc(ofsAddr, FC_SetDataMode, (ushort) mode);
 
-	cflag &= (CBAUD | CBAUDEX);
-#ifndef B921600
-#define	B921600	(B460800+1)
-#endif
-	switch (cflag) {
-	case B921600:
-		baud = 921600L;
-		break;
-	case B460800:
-		baud = 460800L;
-		break;
-	case B230400:
-		baud = 230400L;
-		break;
-	case B115200:
-		baud = 115200L;
-		break;
-	case B57600:
-		baud = 57600L;
-		break;
-	case B38400:
-		baud = 38400L;
-		break;
-	case B19200:
-		baud = 19200L;
-		break;
-	case B9600:
-		baud = 9600L;
-		break;
-	case B4800:
-		baud = 4800L;
-		break;
-	case B2400:
-		baud = 2400L;
-		break;
-	case B1800:
-		baud = 1800L;
-		break;
-	case B1200:
-		baud = 1200L;
-		break;
-	case B600:
-		baud = 600L;
-		break;
-	case B300:
-		baud = 300L;
-		break;
-	case B200:
-		baud = 200L;
-		break;
-	case B150:
-		baud = 150L;
-		break;
-	case B134:
-		baud = 134L;
-		break;
-	case B110:
-		baud = 110L;
-		break;
-	case B75:
-		baud = 75L;
-		break;
-	case B50:
-		baud = 50L;
-		break;
-	default:
-		baud = 0;
-	}
 	if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
 	    (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
-		if (baud == 921600L)
+		if (baud >= 921600L)
 			return (-1);
 	}
 	MoxaPortSetBaud(port, baud);
-- 
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