[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>

3 files changed, 11 insertions, 157 deletions

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);
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 556abd3e0d07..27a653772049 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -2554,71 +2554,7 @@ static int mxser_change_speed(struct mxser_struct *info, struct termios *old_ter
 #define B921600 (B460800 +1)
 #endif
         if (mxser_set_baud_method[info->port] == 0) {
-                switch (cflag & (CBAUD | CBAUDEX)) {
-                case B921600:
-                        baud = 921600;
-                        break;
-                case B460800:
-                        baud = 460800;
-                        break;
-                case B230400:
-                        baud = 230400;
-                        break;
-                case B115200:
-                        baud = 115200;
-                        break;
-                case B57600:
-                        baud = 57600;
-                        break;
-                case B38400:
-                        baud = 38400;
-                        break;
-                case B19200:
-                        baud = 19200;
-                        break;
-                case B9600:
-                        baud = 9600;
-                        break;
-                case B4800:
-                        baud = 4800;
-                        break;
-                case B2400:
-                        baud = 2400;
-                        break;
-                case B1800:
-                        baud = 1800;
-                        break;
-                case B1200:
-                        baud = 1200;
-                        break;
-                case B600:
-                        baud = 600;
-                        break;
-                case B300:
-                        baud = 300;
-                        break;
-                case B200:
-                        baud = 200;
-                        break;
-                case B150:
-                        baud = 150;
-                        break;
-                case B134:
-                        baud = 134;
-                        break;
-                case B110:
-                        baud = 110;
-                        break;
-                case B75:
-                        baud = 75;
-                        break;
-                case B50:
-                        baud = 50;
-                        break;
-                default:
-                        baud = 0;
-                        break;
-                }
+                baud = tty_get_baud_rate(info->tty);
                 mxser_set_baud(info, baud);
         }
 
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index f1c94f771af5..06b9f78a95d9 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -675,26 +675,12 @@ static void rc_change_speed(struct riscom_board *bp, struct riscom_port *port)
         port->COR2 = 0;
         port->MSVR = MSVR_RTS;
         
-        baud = C_BAUD(tty);
-        
-        if (baud & CBAUDEX) {
-                baud &= ~CBAUDEX;
-                if (baud < 1 || baud > 2) 
-                        port->tty->termios->c_cflag &= ~CBAUDEX;
-                else
-                        baud += 15;
-        }
-        if (baud == 15)  {
-                if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
-                        baud ++;
-                if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
-                        baud += 2;
-        }
+        baud = tty_get_baud_rate(tty);
         
         /* Select port on the board */
         rc_out(bp, CD180_CAR, port_No(port));
         
-        if (!baud_table[baud])  {
+        if (!baud)  {
                 /* Drop DTR & exit */
                 bp->DTR |= (1u << port_No(port));
                 rc_out(bp, RC_DTR, bp->DTR);
@@ -710,7 +696,7 @@ static void rc_change_speed(struct riscom_board *bp, struct riscom_port *port)
          */
         
         /* Set baud rate for port */
-        tmp = (((RC_OSCFREQ + baud_table[baud]/2) / baud_table[baud] +
+        tmp = (((RC_OSCFREQ + baud/2) / baud +
                 CD180_TPC/2) / CD180_TPC);
 
         rc_out(bp, CD180_RBPRH, (tmp >> 8) & 0xff); 
@@ -718,7 +704,7 @@ static void rc_change_speed(struct riscom_board *bp, struct riscom_port *port)
         rc_out(bp, CD180_RBPRL, tmp & 0xff); 
         rc_out(bp, CD180_TBPRL, tmp & 0xff);
         
-        baud = (baud_table[baud] + 5) / 10;   /* Estimated CPS */
+        baud = (baud + 5) / 10;   /* Estimated CPS */
         
         /* Two timer ticks seems enough to wakeup something like SLIP driver */
         tmp = ((baud + HZ/2) / HZ) * 2 - CD180_NFIFO;