tty: add more tty_port fields

Move more bits into the tty_port structure

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

18 files changed, 169 insertions, 198 deletions

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 0144b19d1036..e991dc85f2fb 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2677,8 +2677,8 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
          */
         tty->closing = 1;
         spin_unlock_irqrestore(&card->card_lock, flags);
-        if (info->closing_wait != CY_CLOSING_WAIT_NONE)
-                tty_wait_until_sent(tty, info->closing_wait);
+        if (info->port.closing_wait != CY_CLOSING_WAIT_NONE)
+                tty_wait_until_sent(tty, info->port.closing_wait);
 
         spin_lock_irqsave(&card->card_lock, flags);
 
@@ -2734,9 +2734,9 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
         info->port.tty = NULL;
         if (info->port.blocked_open) {
                 spin_unlock_irqrestore(&card->card_lock, flags);
-                if (info->close_delay) {
+                if (info->port.close_delay) {
                         msleep_interruptible(jiffies_to_msecs
-                                                (info->close_delay));
+                                                (info->port.close_delay));
                 }
                 wake_up_interruptible(&info->port.open_wait);
                 spin_lock_irqsave(&card->card_lock, flags);
@@ -3382,8 +3382,8 @@ get_serial_info(struct cyclades_port *info,
                 cinfo->first_line;
         tmp.irq = cinfo->irq;
         tmp.flags = info->port.flags;
-        tmp.close_delay = info->close_delay;
-        tmp.closing_wait = info->closing_wait;
+        tmp.close_delay = info->port.close_delay;
+        tmp.closing_wait = info->port.closing_wait;
         tmp.baud_base = info->baud;
         tmp.custom_divisor = info->custom_divisor;
         tmp.hub6 = 0;           /*!!! */
@@ -3402,7 +3402,7 @@ set_serial_info(struct cyclades_port *info,
         old_info = *info;
 
         if (!capable(CAP_SYS_ADMIN)) {
-                if (new_serial.close_delay != info->close_delay ||
+                if (new_serial.close_delay != info->port.close_delay ||
                                 new_serial.baud_base != info->baud ||
                                 (new_serial.flags & ASYNC_FLAGS &
                                         ~ASYNC_USR_MASK) !=
@@ -3424,8 +3424,8 @@ set_serial_info(struct cyclades_port *info,
         info->custom_divisor = new_serial.custom_divisor;
         info->port.flags = (info->port.flags & ~ASYNC_FLAGS) |
                         (new_serial.flags & ASYNC_FLAGS);
-        info->close_delay = new_serial.close_delay * HZ / 100;
-        info->closing_wait = new_serial.closing_wait * HZ / 100;
+        info->port.close_delay = new_serial.close_delay * HZ / 100;
+        info->port.closing_wait = new_serial.closing_wait * HZ / 100;
 
 check_and_exit:
         if (info->port.flags & ASYNC_INITIALIZED) {
@@ -3971,11 +3971,11 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
                 break;
 #endif                          /* CONFIG_CYZ_INTR */
         case CYSETWAIT:
-                info->closing_wait = (unsigned short)arg * HZ / 100;
+                info->port.closing_wait = (unsigned short)arg * HZ / 100;
                 ret_val = 0;
                 break;
         case CYGETWAIT:
-                ret_val = info->closing_wait / (HZ / 100);
+                ret_val = info->port.closing_wait / (HZ / 100);
                 break;
         case TIOCGSERIAL:
                 ret_val = get_serial_info(info, argp);
@@ -4376,13 +4376,13 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
         for (port = cinfo->first_line; port < cinfo->first_line + nports;
                         port++) {
                 info = &cinfo->ports[port - cinfo->first_line];
+                tty_port_init(&info->port);
                 info->magic = CYCLADES_MAGIC;
                 info->card = cinfo;
                 info->line = port;
-                info->closing_wait = CLOSING_WAIT_DELAY;
-                info->close_delay = 5 * HZ / 10;
 
-                tty_port_init(&info->port);
+                info->port.closing_wait = CLOSING_WAIT_DELAY;
+                info->port.close_delay = 5 * HZ / 10;
                 info->port.flags = STD_COM_FLAGS;
                 init_completion(&info->shutdown_wait);
                 init_waitqueue_head(&info->delta_msr_wait);
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 5a53c15b0dc2..d4281df10c22 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -199,10 +199,8 @@ struct	isi_board {
 struct  isi_port {
         unsigned short          magic;
         struct tty_port         port;
-        int                     close_delay;
         u16                     channel;
         u16                     status;
-        u16                     closing_wait;
         struct isi_board        *card;
         unsigned char           *xmit_buf;
         int                     xmit_head;
@@ -1051,8 +1049,8 @@ static void isicom_close(struct tty_struct *tty, struct file *filp)
         tty->closing = 1;
         spin_unlock_irqrestore(&card->card_lock, flags);
 
-        if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
-                tty_wait_until_sent(tty, port->closing_wait);
+        if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
+                tty_wait_until_sent(tty, port->port.closing_wait);
         /* indicate to the card that no more data can be received
            on this port */
         spin_lock_irqsave(&card->card_lock, flags);
@@ -1071,10 +1069,10 @@ static void isicom_close(struct tty_struct *tty, struct file *filp)
 
         if (port->port.blocked_open) {
                 spin_unlock_irqrestore(&card->card_lock, flags);
-                if (port->close_delay) {
+                if (port->port.close_delay) {
                         pr_dbg("scheduling until time out.\n");
                         msleep_interruptible(
-                                jiffies_to_msecs(port->close_delay));
+                                jiffies_to_msecs(port->port.close_delay));
                 }
                 spin_lock_irqsave(&card->card_lock, flags);
                 wake_up_interruptible(&port->port.open_wait);
@@ -1256,8 +1254,8 @@ static int isicom_set_serial_info(struct isi_port *port,
                 (newinfo.flags & ASYNC_SPD_MASK));
 
         if (!capable(CAP_SYS_ADMIN)) {
-                if ((newinfo.close_delay != port->close_delay) ||
-                                (newinfo.closing_wait != port->closing_wait) ||
+                if ((newinfo.close_delay != port->port.close_delay) ||
+                                (newinfo.closing_wait != port->port.closing_wait) ||
                                 ((newinfo.flags & ~ASYNC_USR_MASK) !=
                                 (port->port.flags & ~ASYNC_USR_MASK))) {
                         unlock_kernel();
@@ -1266,8 +1264,8 @@ static int isicom_set_serial_info(struct isi_port *port,
                 port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
                                 (newinfo.flags & ASYNC_USR_MASK));
         } else {
-                port->close_delay = newinfo.close_delay;
-                port->closing_wait = newinfo.closing_wait;
+                port->port.close_delay = newinfo.close_delay;
+                port->port.closing_wait = newinfo.closing_wait;
                 port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
                                 (newinfo.flags & ASYNC_FLAGS));
         }
@@ -1294,8 +1292,8 @@ static int isicom_get_serial_info(struct isi_port *port,
         out_info.irq = port->card->irq;
         out_info.flags = port->port.flags;
 /*      out_info.baud_base = ? */
-        out_info.close_delay = port->close_delay;
-        out_info.closing_wait = port->closing_wait;
+        out_info.close_delay = port->port.close_delay;
+        out_info.closing_wait = port->port.closing_wait;
         unlock_kernel();
         if (copy_to_user(info, &out_info, sizeof(out_info)))
                 return -EFAULT;
@@ -1804,13 +1802,13 @@ static int __init isicom_init(void)
                 isi_card[idx].ports = port;
                 spin_lock_init(&isi_card[idx].card_lock);
                 for (channel = 0; channel < 16; channel++, port++) {
+                        tty_port_init(&port->port);
                         port->magic = ISICOM_MAGIC;
                         port->card = &isi_card[idx];
                         port->channel = channel;
-                        port->close_delay = 50 * HZ/100;
-                        port->closing_wait = 3000 * HZ/100;
+                        port->port.close_delay = 50 * HZ/100;
+                        port->port.closing_wait = 3000 * HZ/100;
                         port->status = 0;
-                        tty_port_init(&port->port);
                         /*  . . .  */
                 }
                 isi_card[idx].base = 0;
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index dd10f143d96f..2bba250ffc8e 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -135,7 +135,6 @@ struct moxa_port {
         void __iomem *tableAddr;
 
         int type;
-        int close_delay;
         int cflag;
         unsigned long statusflags;
 
@@ -822,10 +821,9 @@ static int moxa_init_board(struct moxa_board_conf *brd, struct device *dev)
         }
 
         for (i = 0, p = brd->ports; i < MAX_PORTS_PER_BOARD; i++, p++) {
+                tty_port_init(&p->port);
                 p->type = PORT_16550A;
-                p->close_delay = 5 * HZ / 10;
                 p->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
-                tty_port_init(&p->port);
         }
 
         switch (brd->boardType) {
@@ -2124,7 +2122,7 @@ static int moxa_get_serial_info(struct moxa_port *info,
                 .line = info->port.tty->index,
                 .flags = info->port.flags,
                 .baud_base = 921600,
-                .close_delay = info->close_delay
+                .close_delay = info->port.close_delay
         };
         return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0;
 }
@@ -2148,7 +2146,7 @@ static int moxa_set_serial_info(struct moxa_port *info,
                      (info->port.flags & ~ASYNC_USR_MASK)))
                         return -EPERM;
         } else
-                info->close_delay = new_serial.close_delay * HZ / 100;
+                info->port.close_delay = new_serial.close_delay * HZ / 100;
 
         new_serial.flags = (new_serial.flags & ~ASYNC_FLAGS);
         new_serial.flags |= (info->port.flags & ASYNC_FLAGS);
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e83ccee03161..6307e301bd26 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -243,10 +243,7 @@ struct mxser_port {
         unsigned char ldisc_stop_rx;
 
         int custom_divisor;
-        int close_delay;
-        unsigned short closing_wait;
         unsigned char err_shadow;
-        unsigned long event;
 
         struct async_icount icount; /* kernel counters for 4 input interrupts */
         int timeout;
@@ -1199,8 +1196,8 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
          * the line discipline to only process XON/XOFF characters.
          */
         tty->closing = 1;
-        if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE)
-                tty_wait_until_sent(tty, info->closing_wait);
+        if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
+                tty_wait_until_sent(tty, info->port.closing_wait);
         /*
          * At this point we stop accepting input.  To do this, we
          * disable the receive line status interrupts, and tell the
@@ -1231,11 +1228,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
         tty_ldisc_flush(tty);
 
         tty->closing = 0;
-        info->event = 0;
         info->port.tty = NULL;
         if (info->port.blocked_open) {
-                if (info->close_delay)
-                        schedule_timeout_interruptible(info->close_delay);
+                if (info->port.close_delay)
+                        schedule_timeout_interruptible(info->port.close_delay);
                 wake_up_interruptible(&info->port.open_wait);
         }
 
@@ -1370,8 +1366,8 @@ static int mxser_get_serial_info(struct mxser_port *info,
                 .irq = info->board->irq,
                 .flags = info->port.flags,
                 .baud_base = info->baud_base,
-                .close_delay = info->close_delay,
-                .closing_wait = info->closing_wait,
+                .close_delay = info->port.close_delay,
+                .closing_wait = info->port.closing_wait,
                 .custom_divisor = info->custom_divisor,
                 .hub6 = 0
         };
@@ -1402,7 +1398,7 @@ static int mxser_set_serial_info(struct mxser_port *info,
 
         if (!capable(CAP_SYS_ADMIN)) {
                 if ((new_serial.baud_base != info->baud_base) ||
-                                (new_serial.close_delay != info->close_delay) ||
+                                (new_serial.close_delay != info->port.close_delay) ||
                                 ((new_serial.flags & ~ASYNC_USR_MASK) != (info->port.flags & ~ASYNC_USR_MASK)))
                         return -EPERM;
                 info->port.flags = ((info->port.flags & ~ASYNC_USR_MASK) |
@@ -1414,8 +1410,8 @@ static int mxser_set_serial_info(struct mxser_port *info,
                  */
                 info->port.flags = ((info->port.flags & ~ASYNC_FLAGS) |
                                 (new_serial.flags & ASYNC_FLAGS));
-                info->close_delay = new_serial.close_delay * HZ / 100;
-                info->closing_wait = new_serial.closing_wait * HZ / 100;
+                info->port.close_delay = new_serial.close_delay * HZ / 100;
+                info->port.closing_wait = new_serial.closing_wait * HZ / 100;
                 info->port.tty->low_latency =
                                 (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
                 info->port.tty->low_latency = 0;
@@ -2214,7 +2210,6 @@ static void mxser_hangup(struct tty_struct *tty)
 
         mxser_flush_buffer(tty);
         mxser_shutdown(info);
-        info->event = 0;
         info->port.count = 0;
         info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
         info->port.tty = NULL;
@@ -2545,6 +2540,7 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
 
         for (i = 0; i < brd->info->nports; i++) {
                 info = &brd->ports[i];
+                tty_port_init(&info->port);
                 info->board = brd;
                 info->stop_rx = 0;
                 info->ldisc_stop_rx = 0;
@@ -2559,10 +2555,9 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
                 process_txrx_fifo(info);
 
                 info->custom_divisor = info->baud_base * 16;
-                info->close_delay = 5 * HZ / 10;
-                info->closing_wait = 30 * HZ;
+                info->port.close_delay = 5 * HZ / 10;
+                info->port.closing_wait = 30 * HZ;
                 info->normal_termios = mxvar_sdriver->init_termios;
-                tty_port_init(&info->port);
                 init_waitqueue_head(&info->delta_msr_wait);
                 memset(&info->mon_data, 0, sizeof(struct mxser_mon));
                 info->err_shadow = 0;
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 3ca8957ba327..724b2b20f4b2 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1032,8 +1032,8 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
          * the line discipline to only process XON/XOFF characters.
          */
         tty->closing = 1;
-        if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
-                tty_wait_until_sent(tty, port->closing_wait);
+        if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
+                tty_wait_until_sent(tty, port->port.closing_wait);
         /*
          * At this point we stop accepting input.  To do this, we
          * disable the receive line status interrupts, and tell the
@@ -1065,8 +1065,8 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
         tty->closing = 0;
         port->port.tty = NULL;
         if (port->port.blocked_open) {
-                if (port->close_delay)
-                        msleep_interruptible(jiffies_to_msecs(port->close_delay));
+                if (port->port.close_delay)
+                        msleep_interruptible(jiffies_to_msecs(port->port.close_delay));
                 wake_up_interruptible(&port->port.open_wait);
         }
         port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
@@ -1295,8 +1295,8 @@ static int rc_set_serial_info(struct riscom_port *port,
                         (tmp.flags & ASYNC_SPD_MASK));
 
         if (!capable(CAP_SYS_ADMIN)) {
-                if ((tmp.close_delay != port->close_delay) ||
-                    (tmp.closing_wait != port->closing_wait) ||
+                if ((tmp.close_delay != port->port.close_delay) ||
+                    (tmp.closing_wait != port->port.closing_wait) ||
                     ((tmp.flags & ~ASYNC_USR_MASK) !=
                      (port->port.flags & ~ASYNC_USR_MASK)))
                         return -EPERM;
@@ -1305,8 +1305,8 @@ static int rc_set_serial_info(struct riscom_port *port,
         } else  {
                 port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
                                (tmp.flags & ASYNC_FLAGS));
-                port->close_delay = tmp.close_delay;
-                port->closing_wait = tmp.closing_wait;
+                port->port.close_delay = tmp.close_delay;
+                port->port.closing_wait = tmp.closing_wait;
         }
         if (change_speed)  {
                 unsigned long flags;
@@ -1331,8 +1331,8 @@ static int rc_get_serial_info(struct riscom_port *port,
         tmp.irq  = bp->irq;
         tmp.flags = port->port.flags;
         tmp.baud_base = (RC_OSCFREQ + CD180_TPC/2) / CD180_TPC;
-        tmp.close_delay = port->close_delay * HZ/100;
-        tmp.closing_wait = port->closing_wait * HZ/100;
+        tmp.close_delay = port->port.close_delay * HZ/100;
+        tmp.closing_wait = port->port.closing_wait * HZ/100;
         tmp.xmit_fifo_size = CD180_NFIFO;
         return copy_to_user(retinfo, &tmp, sizeof(tmp)) ? -EFAULT : 0;
 }
@@ -1549,10 +1549,8 @@ static int __init rc_init_drivers(void)
         }
         memset(rc_port, 0, sizeof(rc_port));
         for (i = 0; i < RC_NPORT * RC_NBOARD; i++)  {
-                rc_port[i].magic = RISCOM8_MAGIC;
-                rc_port[i].close_delay = 50 * HZ / 100;
-                rc_port[i].closing_wait = 3000 * HZ / 100;
                 tty_port_init(&rc_port[i].port);
+                rc_port[i].magic = RISCOM8_MAGIC;
         }
         return 0;
 }
diff --git a/drivers/char/riscom8.h b/drivers/char/riscom8.h
index 29ddbab78801..c9876b3f9714 100644
--- a/drivers/char/riscom8.h
+++ b/drivers/char/riscom8.h
@@ -69,14 +69,12 @@ struct riscom_port {
         struct                  tty_port port;
         int                     baud_base;
         int                     timeout;
-        int                     close_delay;
         int                     custom_divisor;
         int                     xmit_head;
         int                     xmit_tail;
         int                     xmit_cnt;
         short                   wakeup_chars;
         short                   break_length;
-        unsigned short          closing_wait;
         unsigned char           mark_mask;
         unsigned char           IER;
         unsigned char           MSVR;
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index bc35b900f9c6..e670eae2f510 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -72,6 +72,7 @@
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
+#include <linux/serial.h>
 #include <linux/string.h>
 #include <linux/fcntl.h>
 #include <linux/ptrace.h>
@@ -81,7 +82,7 @@
 #include <linux/completion.h>
 #include <linux/wait.h>
 #include <linux/pci.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/atomic.h>
 #include <asm/unaligned.h>
 #include <linux/bitops.h>
@@ -648,8 +649,8 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
         info->board = board;
         info->aiop = aiop;
         info->chan = chan;
-        info->closing_wait = 3000;
-        info->close_delay = 50;
+        info->port.closing_wait = 3000;
+        info->port.close_delay = 50;
         init_waitqueue_head(&info->port.open_wait);
         init_completion(&info->close_wait);
         info->flags &= ~ROCKET_MODE_MASK;
@@ -1137,8 +1138,8 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
         /*
          * Wait for the transmit buffer to clear
          */
-        if (info->closing_wait != ROCKET_CLOSING_WAIT_NONE)
-                tty_wait_until_sent(tty, info->closing_wait);
+        if (info->port.closing_wait != ROCKET_CLOSING_WAIT_NONE)
+                tty_wait_until_sent(tty, info->port.closing_wait);
         /*
          * Before we drop DTR, make sure the UART transmitter
          * has completely drained; this is especially
@@ -1168,8 +1169,8 @@ static void rp_close(struct tty_struct *tty, struct file *filp)
         clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]);
 
         if (info->port.blocked_open) {
-                if (info->close_delay) {
-                        msleep_interruptible(jiffies_to_msecs(info->close_delay));
+                if (info->port.close_delay) {
+                        msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
                 }
                 wake_up_interruptible(&info->port.open_wait);
         } else {
@@ -1327,8 +1328,8 @@ static int get_config(struct r_port *info, struct rocket_config __user *retinfo)
         memset(&tmp, 0, sizeof (tmp));
         tmp.line = info->line;
         tmp.flags = info->flags;
-        tmp.close_delay = info->close_delay;
-        tmp.closing_wait = info->closing_wait;
+        tmp.close_delay = info->port.close_delay;
+        tmp.closing_wait = info->port.closing_wait;
         tmp.port = rcktpt_io_addr[(info->line >> 5) & 3];
 
         if (copy_to_user(retinfo, &tmp, sizeof (*retinfo)))
@@ -1353,8 +1354,8 @@ static int set_config(struct r_port *info, struct rocket_config __user *new_info
         }
 
         info->flags = ((info->flags & ~ROCKET_FLAGS) | (new_serial.flags & ROCKET_FLAGS));
-        info->close_delay = new_serial.close_delay;
-        info->closing_wait = new_serial.closing_wait;
+        info->port.close_delay = new_serial.close_delay;
+        info->port.closing_wait = new_serial.closing_wait;
 
         if ((info->flags & ROCKET_SPD_MASK) == ROCKET_SPD_HI)
                 info->port.tty->alt_speed = 57600;
diff --git a/drivers/char/rocket.h b/drivers/char/rocket.h
index ae6b04f90c03..a8b09195ebba 100644
--- a/drivers/char/rocket.h
+++ b/drivers/char/rocket.h
@@ -64,8 +64,8 @@ struct rocket_version {
 /*
  * For closing_wait and closing_wait2
  */
-#define ROCKET_CLOSING_WAIT_NONE        65535
-#define ROCKET_CLOSING_WAIT_INF         0
+#define ROCKET_CLOSING_WAIT_NONE        ASYNC_CLOSING_WAIT_NONE
+#define ROCKET_CLOSING_WAIT_INF         ASYNC_CLOSING_WAIT_INF
 
 /*
  * Rocketport ioctls -- "RP"
diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h
index 3affc48f6a57..21f3ff53ba32 100644
--- a/drivers/char/rocket_int.h
+++ b/drivers/char/rocket_int.h
@@ -1133,8 +1133,6 @@ struct r_port {
         unsigned int chan:3;
         CONTROLLER_t *ctlp;
         CHANNEL_t channel;
-        int closing_wait;
-        int close_delay;
         int intmask;
         int xmit_fifo_room;     /* room in xmit fifo */
         unsigned char *xmit_buf;
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 2ee4d9893757..037dc47e4cb1 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -608,9 +608,9 @@ static inline struct specialix_port * sx_get_port(struct specialix_board * bp,
         dprintk (SX_DEBUG_CHAN, "channel: %d\n", channel);
         if (channel < CD186x_NCH) {
                 port = &sx_port[board_No(bp) * SX_NPORT + channel];
-                dprintk (SX_DEBUG_CHAN, "port: %d %p flags: 0x%x\n",board_No(bp) * SX_NPORT + channel,  port, port->flags & ASYNC_INITIALIZED);
+                dprintk (SX_DEBUG_CHAN, "port: %d %p flags: 0x%lx\n",board_No(bp) * SX_NPORT + channel,  port, port->port.flags & ASYNC_INITIALIZED);
 
-                if (port->flags & ASYNC_INITIALIZED) {
+                if (port->port.flags & ASYNC_INITIALIZED) {
                         dprintk (SX_DEBUG_CHAN, "port: %d %p\n", channel, port);
                         func_exit();
                         return port;
@@ -637,7 +637,7 @@ static inline void sx_receive_exc(struct specialix_board * bp)
                 func_exit();
                 return;
         }
-        tty = port->tty;
+        tty = port->port.tty;
 
         status = sx_in(bp, CD186x_RCSR);
 
@@ -673,7 +673,7 @@ static inline void sx_receive_exc(struct specialix_board * bp)
                 dprintk(SX_DEBUG_RX, "sx%d: port %d: Handling break...\n",
                        board_No(bp), port_No(port));
                 flag = TTY_BREAK;
-                if (port->flags & ASYNC_SAK)
+                if (port->port.flags & ASYNC_SAK)
                         do_SAK(tty);
 
         } else if (status & RCSR_PE)
@@ -707,7 +707,7 @@ static inline void sx_receive(struct specialix_board * bp)
                 func_exit();
                 return;
         }
-        tty = port->tty;
+        tty = port->port.tty;
 
         count = sx_in(bp, CD186x_RDCR);
         dprintk (SX_DEBUG_RX, "port: %p: count: %d\n", port, count);
@@ -734,7 +734,7 @@ static inline void sx_transmit(struct specialix_board * bp)
                 return;
         }
         dprintk (SX_DEBUG_TX, "port: %p\n", port);
-        tty = port->tty;
+        tty = port->port.tty;
 
         if (port->IER & IER_TXEMPTY) {
                 /* FIFO drained */
@@ -811,7 +811,7 @@ static inline void sx_check_modem(struct specialix_board * bp)
         if (!(port = sx_get_port(bp, "Modem")))
                 return;
 
-        tty = port->tty;
+        tty = port->port.tty;
 
         mcr = sx_in(bp, CD186x_MCR);
         printk ("mcr = %02x.\n", mcr);
@@ -821,7 +821,7 @@ static inline void sx_check_modem(struct specialix_board * bp)
                 msvr_cd = sx_in(bp, CD186x_MSVR) & MSVR_CD;
                 if (msvr_cd) {
                         dprintk (SX_DEBUG_SIGNALS, "Waking up guys in open.\n");
-                        wake_up_interruptible(&port->open_wait);
+                        wake_up_interruptible(&port->port.open_wait);
                 } else {
                         dprintk (SX_DEBUG_SIGNALS, "Sending HUP.\n");
                         tty_hangup(tty);
@@ -1030,7 +1030,7 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
 
         func_enter();
 
-        if (!(tty = port->tty) || !tty->termios) {
+        if (!(tty = port->port.tty) || !tty->termios) {
                 func_exit();
                 return;
         }
@@ -1052,9 +1052,9 @@ static void sx_change_speed(struct specialix_board *bp, struct specialix_port *p
         baud = tty_get_baud_rate(tty);
 
         if (baud == 38400) {
-                if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+                if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
                         baud = 57600;
-                if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+                if ((port->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
                         baud = 115200;
         }
 
@@ -1244,7 +1244,7 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
 
         func_enter();
 
-        if (port->flags & ASYNC_INITIALIZED) {
+        if (port->port.flags & ASYNC_INITIALIZED) {
                 func_exit();
                 return 0;
         }
@@ -1268,12 +1268,12 @@ static int sx_setup_port(struct specialix_board *bp, struct specialix_port *port
 
         spin_lock_irqsave(&port->lock, flags);
 
-        if (port->tty)
-                clear_bit(TTY_IO_ERROR, &port->tty->flags);
+        if (port->port.tty)
+                clear_bit(TTY_IO_ERROR, &port->port.tty->flags);
 
         port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
         sx_change_speed(bp, port);
-        port->flags |= ASYNC_INITIALIZED;
+        port->port.flags |= ASYNC_INITIALIZED;
 
         spin_unlock_irqrestore(&port->lock, flags);
 
@@ -1292,7 +1292,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
 
         func_enter();
 
-        if (!(port->flags & ASYNC_INITIALIZED)) {
+        if (!(port->port.flags & ASYNC_INITIALIZED)) {
                 func_exit();
                 return;
         }
@@ -1315,7 +1315,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
         spin_lock_irqsave(&bp->lock, flags);
         sx_out(bp, CD186x_CAR, port_No(port));
 
-        if (!(tty = port->tty) || C_HUPCL(tty)) {
+        if (!(tty = port->port.tty) || C_HUPCL(tty)) {
                 /* Drop DTR */
                 sx_out(bp, CD186x_MSVDTR, 0);
         }
@@ -1330,7 +1330,7 @@ static void sx_shutdown_port(struct specialix_board *bp, struct specialix_port *
         spin_unlock_irqrestore(&bp->lock, flags);
         if (tty)
                 set_bit(TTY_IO_ERROR, &tty->flags);
-        port->flags &= ~ASYNC_INITIALIZED;
+        port->port.flags &= ~ASYNC_INITIALIZED;
 
         if (!bp->count)
                 sx_shutdown_board(bp);
@@ -1354,9 +1354,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
          * If the device is in the middle of being closed, then block
          * until it's done, and then try again.
          */
-        if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {
-                interruptible_sleep_on(&port->close_wait);
-                if (port->flags & ASYNC_HUP_NOTIFY) {
+        if (tty_hung_up_p(filp) || port->port.flags & ASYNC_CLOSING) {
+                interruptible_sleep_on(&port->port.close_wait);
+                if (port->port.flags & ASYNC_HUP_NOTIFY) {
                         func_exit();
                         return -EAGAIN;
                 } else {
@@ -1371,7 +1371,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
          */
         if ((filp->f_flags & O_NONBLOCK) ||
             (tty->flags & (1 << TTY_IO_ERROR))) {
-                port->flags |= ASYNC_NORMAL_ACTIVE;
+                port->port.flags |= ASYNC_NORMAL_ACTIVE;
                 func_exit();
                 return 0;
         }
@@ -1387,13 +1387,13 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
          * exit, either normal or abnormal.
          */
         retval = 0;
-        add_wait_queue(&port->open_wait, &wait);
+        add_wait_queue(&port->port.open_wait, &wait);
         spin_lock_irqsave(&port->lock, flags);
         if (!tty_hung_up_p(filp)) {
-                port->count--;
+                port->port.count--;
         }
         spin_unlock_irqrestore(&port->lock, flags);
-        port->blocked_open++;
+        port->port.blocked_open++;
         while (1) {
                 spin_lock_irqsave(&bp->lock, flags);
                 sx_out(bp, CD186x_CAR, port_No(port));
@@ -1410,14 +1410,14 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
                 spin_unlock_irqrestore(&bp->lock, flags);
                 set_current_state(TASK_INTERRUPTIBLE);
                 if (tty_hung_up_p(filp) ||
-                    !(port->flags & ASYNC_INITIALIZED)) {
-                        if (port->flags & ASYNC_HUP_NOTIFY)
+                    !(port->port.flags & ASYNC_INITIALIZED)) {
+                        if (port->port.flags & ASYNC_HUP_NOTIFY)
                                 retval = -EAGAIN;
                         else
                                 retval = -ERESTARTSYS;
                         break;
                 }
-                if (!(port->flags & ASYNC_CLOSING) &&
+                if (!(port->port.flags & ASYNC_CLOSING) &&
                     (do_clocal || CD))
                         break;
                 if (signal_pending(current)) {
@@ -1428,19 +1428,19 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp,
         }
 
         set_current_state(TASK_RUNNING);
-        remove_wait_queue(&port->open_wait, &wait);
+        remove_wait_queue(&port->port.open_wait, &wait);
         spin_lock_irqsave(&port->lock, flags);
         if (!tty_hung_up_p(filp)) {
-                port->count++;
+                port->port.count++;
         }
-        port->blocked_open--;
+        port->port.blocked_open--;
         spin_unlock_irqrestore(&port->lock, flags);
         if (retval) {
                 func_exit();
                 return retval;
         }
 
-        port->flags |= ASYNC_NORMAL_ACTIVE;
+        port->port.flags |= ASYNC_NORMAL_ACTIVE;
         func_exit();
         return 0;
 }
@@ -1484,10 +1484,10 @@ static int sx_open(struct tty_struct * tty, struct file * filp)
         }
 
         spin_lock_irqsave(&bp->lock, flags);
-        port->count++;
+        port->port.count++;
         bp->count++;
         tty->driver_data = port;
-        port->tty = tty;
+        port->port.tty = tty;
         spin_unlock_irqrestore(&bp->lock, flags);
 
         if ((error = sx_setup_port(bp, port))) {
@@ -1547,15 +1547,15 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
         }
 
         bp = port_Board(port);
-        if ((tty->count == 1) && (port->count != 1)) {
+        if ((tty->count == 1) && (port->port.count != 1)) {
                 printk(KERN_ERR "sx%d: sx_close: bad port count;"
                        " tty->count is 1, port count is %d\n",
-                       board_No(bp), port->count);
-                port->count = 1;
+                       board_No(bp), port->port.count);
+                port->port.count = 1;
         }
 
-        if (port->count > 1) {
-                port->count--;
+        if (port->port.count > 1) {
+                port->port.count--;
                 bp->count--;
 
                 spin_unlock_irqrestore(&port->lock, flags);
@@ -1563,7 +1563,7 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
                 func_exit();
                 return;
         }
-        port->flags |= ASYNC_CLOSING;
+        port->port.flags |= ASYNC_CLOSING;
         /*
          * Now we wait for the transmit buffer to clear; and we notify
          * the line discipline to only process XON/XOFF characters.
@@ -1571,8 +1571,8 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
         tty->closing = 1;
         spin_unlock_irqrestore(&port->lock, flags);
         dprintk (SX_DEBUG_OPEN, "Closing\n");
-        if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
-                tty_wait_until_sent(tty, port->closing_wait);
+        if (port->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+                tty_wait_until_sent(tty, port->port.closing_wait);
         }
         /*
          * At this point we stop accepting input.  To do this, we
@@ -1582,7 +1582,7 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
          */
         dprintk (SX_DEBUG_OPEN, "Closed\n");
         port->IER &= ~IER_RXD;
-        if (port->flags & ASYNC_INITIALIZED) {
+        if (port->port.flags & ASYNC_INITIALIZED) {
                 port->IER &= ~IER_TXRDY;
                 port->IER |= IER_TXEMPTY;
                 spin_lock_irqsave(&bp->lock, flags);
@@ -1611,10 +1611,10 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
                        board_No(bp), bp->count, tty->index);
                 bp->count = 0;
         }
-        if (--port->count < 0) {
+        if (--port->port.count < 0) {
                 printk(KERN_ERR "sx%d: sx_close: bad port count for tty%d: %d\n",
-                       board_No(bp), port_No(port), port->count);
-                port->count = 0;
+                       board_No(bp), port_No(port), port->port.count);
+                port->port.count = 0;
         }
 
         sx_shutdown_port(bp, port);
@@ -1622,16 +1622,16 @@ static void sx_close(struct tty_struct * tty, struct file * filp)
         tty_ldisc_flush(tty);
         spin_lock_irqsave(&port->lock, flags);
         tty->closing = 0;
-        port->tty = NULL;
+        port->port.tty = NULL;
         spin_unlock_irqrestore(&port->lock, flags);
-        if (port->blocked_open) {
-                if (port->close_delay) {
-                        msleep_interruptible(jiffies_to_msecs(port->close_delay));
+        if (port->port.blocked_open) {
+                if (port->port.close_delay) {
+                        msleep_interruptible(jiffies_to_msecs(port->port.close_delay));
                 }
-                wake_up_interruptible(&port->open_wait);
+                wake_up_interruptible(&port->port.open_wait);
         }
-        port->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
-        wake_up_interruptible(&port->close_wait);
+        port->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
+        wake_up_interruptible(&port->port.close_wait);
 
         func_exit();
 }
@@ -1815,7 +1815,7 @@ static int sx_tiocmget(struct tty_struct *tty, struct file *file)
         dprintk (SX_DEBUG_INIT, "Got msvr[%d] = %02x, car = %d.\n",
                 port_No(port), status, sx_in (bp, CD186x_CAR));
         dprintk (SX_DEBUG_INIT, "sx_port = %p, port = %p\n", sx_port, port);
-        if (SX_CRTSCTS(port->tty)) {
+        if (SX_CRTSCTS(port->port.tty)) {
                 result  = /*   (status & MSVR_RTS) ? */ TIOCM_DTR /* : 0) */
                           |   ((status & MSVR_DTR) ? TIOCM_RTS : 0)
                           |   ((status & MSVR_CD)  ? TIOCM_CAR : 0)
@@ -1857,7 +1857,7 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
    /*   if (set & TIOCM_DTR)
                 port->MSVR |= MSVR_DTR; */
 
-        if (SX_CRTSCTS(port->tty)) {
+        if (SX_CRTSCTS(port->port.tty)) {
                 if (set & TIOCM_RTS)
                         port->MSVR |= MSVR_DTR;
         } else {
@@ -1869,7 +1869,7 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file,
                 port->MSVR &= ~MSVR_RTS; */
   /*    if (clear & TIOCM_DTR)
                 port->MSVR &= ~MSVR_DTR; */
-        if (SX_CRTSCTS(port->tty)) {
+        if (SX_CRTSCTS(port->port.tty)) {
                 if (clear & TIOCM_RTS)
                         port->MSVR &= ~MSVR_DTR;
         } else {
@@ -1929,27 +1929,27 @@ static inline int sx_set_serial_info(struct specialix_port * port,
 
         lock_kernel();
 
-        change_speed = ((port->flags & ASYNC_SPD_MASK) !=
+        change_speed = ((port->port.flags & ASYNC_SPD_MASK) !=
                         (tmp.flags & ASYNC_SPD_MASK));
         change_speed |= (tmp.custom_divisor != port->custom_divisor);
 
         if (!capable(CAP_SYS_ADMIN)) {
-                if ((tmp.close_delay != port->close_delay) ||
-                    (tmp.closing_wait != port->closing_wait) ||
+                if ((tmp.close_delay != port->port.close_delay) ||
+                    (tmp.closing_wait != port->port.closing_wait) ||
                     ((tmp.flags & ~ASYNC_USR_MASK) !=
-                     (port->flags & ~ASYNC_USR_MASK))) {
+                     (port->port.flags & ~ASYNC_USR_MASK))) {
                         func_exit();
                         unlock_kernel();
                         return -EPERM;
                 }
-                port->flags = ((port->flags & ~ASYNC_USR_MASK) |
+                port->port.flags = ((port->port.flags & ~ASYNC_USR_MASK) |
                                   (tmp.flags & ASYNC_USR_MASK));
                 port->custom_divisor = tmp.custom_divisor;
         } else {
-                port->flags = ((port->flags & ~ASYNC_FLAGS) |
+                port->port.flags = ((port->port.flags & ~ASYNC_FLAGS) |
                                   (tmp.flags & ASYNC_FLAGS));
-                port->close_delay = tmp.close_delay;
-                port->closing_wait = tmp.closing_wait;
+                port->port.close_delay = tmp.close_delay;
+                port->port.closing_wait = tmp.closing_wait;
                 port->custom_divisor = tmp.custom_divisor;
         }
         if (change_speed) {
@@ -1975,10 +1975,10 @@ static inline int sx_get_serial_info(struct specialix_port * port,
         tmp.line = port - sx_port;
         tmp.port = bp->base;
         tmp.irq  = bp->irq;
-        tmp.flags = port->flags;
+        tmp.flags = port->port.flags;
         tmp.baud_base = (SX_OSCFREQ + CD186x_TPC/2) / CD186x_TPC;
-        tmp.close_delay = port->close_delay * HZ/100;
-        tmp.closing_wait = port->closing_wait * HZ/100;
+        tmp.close_delay = port->port.close_delay * HZ/100;
+        tmp.closing_wait = port->port.closing_wait * HZ/100;
         tmp.custom_divisor =  port->custom_divisor;
         tmp.xmit_fifo_size = CD186x_NFIFO;
         unlock_kernel();
@@ -2199,17 +2199,17 @@ static void sx_hangup(struct tty_struct * tty)
 
         sx_shutdown_port(bp, port);
         spin_lock_irqsave(&port->lock, flags);
-        bp->count -= port->count;
+        bp->count -= port->port.count;
         if (bp->count < 0) {
                 printk(KERN_ERR "sx%d: sx_hangup: bad board count: %d port: %d\n",
                         board_No(bp), bp->count, tty->index);
                 bp->count = 0;
         }
-        port->count = 0;
-        port->flags &= ~ASYNC_NORMAL_ACTIVE;
-        port->tty = NULL;
+        port->port.count = 0;
+        port->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+        port->port.tty = NULL;
         spin_unlock_irqrestore(&port->lock, flags);
-        wake_up_interruptible(&port->open_wait);
+        wake_up_interruptible(&port->port.open_wait);
 
         func_exit();
 }
@@ -2224,10 +2224,6 @@ static void sx_set_termios(struct tty_struct * tty, struct ktermios * old_termio
         if (sx_paranoia_check(port, tty->name, "sx_set_termios"))
                 return;
 
-        if (tty->termios->c_cflag == old_termios->c_cflag &&
-            tty->termios->c_iflag == old_termios->c_iflag)
-                return;
-
         bp = port_Board(port);
         spin_lock_irqsave(&port->lock, flags);
         sx_change_speed(port_Board(port), port);
@@ -2297,10 +2293,7 @@ static int sx_init_drivers(void)
         memset(sx_port, 0, sizeof(sx_port));
         for (i = 0; i < SX_NPORT * SX_NBOARD; i++) {
                 sx_port[i].magic = SPECIALIX_MAGIC;
-                sx_port[i].close_delay = 50 * HZ/100;
-                sx_port[i].closing_wait = 3000 * HZ/100;
-                init_waitqueue_head(&sx_port[i].open_wait);
-                init_waitqueue_head(&sx_port[i].close_wait);
+                tty_port_init(&sx_port[i].port);
                 spin_lock_init(&sx_port[i].lock);
         }
 
diff --git a/drivers/char/specialix_io8.h b/drivers/char/specialix_io8.h
index 3f2f85bdf516..c63005274d9b 100644
--- a/drivers/char/specialix_io8.h
+++ b/drivers/char/specialix_io8.h
@@ -107,23 +107,17 @@ struct specialix_board {
 
 struct specialix_port {
         int                     magic;
+        struct tty_port         port;
         int                     baud_base;
         int                     flags;
-        struct tty_struct       * tty;
-        int                     count;
-        int                     blocked_open;
         int                     timeout;
-        int                     close_delay;
         unsigned char           * xmit_buf;
         int                     custom_divisor;
         int                     xmit_head;
         int                     xmit_tail;
         int                     xmit_cnt;
-        wait_queue_head_t       open_wait;
-        wait_queue_head_t       close_wait;
         short                   wakeup_chars;
         short                   break_length;
-        unsigned short          closing_wait;
         unsigned char           mark_mask;
         unsigned char           IER;
         unsigned char           MSVR;
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index b1239ee48b78..d5cffcd6a572 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -2395,6 +2395,7 @@ static int sx_init_portstructs(int nboards, int nports)
                 board->ports = port;
                 for (j = 0; j < boards[i].nports; j++) {
                         sx_dprintk(SX_DEBUG_INIT, "initing port %d\n", j);
+                        tty_port_init(&port->gs.port);
                         port->gs.magic = SX_MAGIC;
                         port->gs.close_delay = HZ / 2;
                         port->gs.closing_wait = 30 * HZ;
@@ -2407,7 +2408,6 @@ static int sx_init_portstructs(int nboards, int nports)
                         /*
                          * Initializing wait queue
                          */
-                        tty_port_init(&port->gs.port);
                         port++;
                 }
         }
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 734098f7dfa2..9f14753fada1 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -183,8 +183,6 @@ struct mgsl_struct {
         struct tty_port         port;
         int                     line;
         int                     hw_version;
-        unsigned short          close_delay;
-        unsigned short          closing_wait;   /* time to wait before closing */
         
         struct mgsl_icount      icount;
         
@@ -3142,11 +3140,11 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
         
         /* wait for transmit data to clear all layers */
         
-        if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+        if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
                 if (debug_level >= DEBUG_LEVEL_INFO)
                         printk("%s(%d):mgsl_close(%s) calling tty_wait_until_sent\n",
                                  __FILE__,__LINE__, info->device_name );
-                tty_wait_until_sent(tty, info->closing_wait);
+                tty_wait_until_sent(tty, info->port.closing_wait);
         }
                 
         if (info->port.flags & ASYNC_INITIALIZED)
@@ -3162,8 +3160,8 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp)
         info->port.tty = NULL;
         
         if (info->port.blocked_open) {
-                if (info->close_delay) {
-                        msleep_interruptible(jiffies_to_msecs(info->close_delay));
+                if (info->port.close_delay) {
+                        msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
                 }
                 wake_up_interruptible(&info->port.open_wait);
         }
@@ -4326,12 +4324,12 @@ static struct mgsl_struct* mgsl_allocate_device(void)
         if (!info) {
                 printk("Error can't allocate device instance data\n");
         } else {
+                tty_port_init(&info->port);
                 info->magic = MGSL_MAGIC;
                 INIT_WORK(&info->task, mgsl_bh_handler);
                 info->max_frame_size = 4096;
-                info->close_delay = 5*HZ/10;
-                info->closing_wait = 30*HZ;
-                tty_port_init(&info->port);
+                info->port.close_delay = 5*HZ/10;
+                info->port.closing_wait = 30*HZ;
                 init_waitqueue_head(&info->status_event_wait_q);
                 init_waitqueue_head(&info->event_wait_q);
                 spin_lock_init(&info->irq_spinlock);
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index fc71d9819165..07aa42a7f397 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -261,8 +261,6 @@ struct slgt_info {
         struct slgt_info *port_array[SLGT_MAX_PORTS];
 
         int                     line;           /* tty line instance number */
-        unsigned short          close_delay;
-        unsigned short          closing_wait;   /* time to wait before closing */
 
         struct mgsl_icount      icount;
 
@@ -758,9 +756,9 @@ static void close(struct tty_struct *tty, struct file *filp)
 
         /* wait for transmit data to clear all layers */
 
-        if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+        if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
                 DBGINFO(("%s call tty_wait_until_sent\n", info->device_name));
-                tty_wait_until_sent(tty, info->closing_wait);
+                tty_wait_until_sent(tty, info->port.closing_wait);
         }
 
         if (info->port.flags & ASYNC_INITIALIZED)
@@ -774,8 +772,8 @@ static void close(struct tty_struct *tty, struct file *filp)
         info->port.tty = NULL;
 
         if (info->port.blocked_open) {
-                if (info->close_delay) {
-                        msleep_interruptible(jiffies_to_msecs(info->close_delay));
+                if (info->port.close_delay) {
+                        msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
                 }
                 wake_up_interruptible(&info->port.open_wait);
         }
@@ -3448,13 +3446,13 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
                 DBGERR(("%s device alloc failed adapter=%d port=%d\n",
                         driver_name, adapter_num, port_num));
         } else {
+                tty_port_init(&info->port);
                 info->magic = MGSL_MAGIC;
                 INIT_WORK(&info->task, bh_handler);
                 info->max_frame_size = 4096;
                 info->raw_rx_size = DMABUFSIZE;
-                info->close_delay = 5*HZ/10;
-                info->closing_wait = 30*HZ;
-                tty_port_init(&info->port);
+                info->port.close_delay = 5*HZ/10;
+                info->port.closing_wait = 30*HZ;
                 init_waitqueue_head(&info->status_event_wait_q);
                 init_waitqueue_head(&info->event_wait_q);
                 spin_lock_init(&info->netlock);
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index 5b5b292d046b..c4bc09018368 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -846,11 +846,11 @@ static void close(struct tty_struct *tty, struct file *filp)
 
         /* wait for transmit data to clear all layers */
 
-        if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+        if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
                 if (debug_level >= DEBUG_LEVEL_INFO)
                         printk("%s(%d):%s close() calling tty_wait_until_sent\n",
                                  __FILE__,__LINE__, info->device_name );
-                tty_wait_until_sent(tty, info->closing_wait);
+                tty_wait_until_sent(tty, info->port.closing_wait);
         }
 
         if (info->port.flags & ASYNC_INITIALIZED)
@@ -866,8 +866,8 @@ static void close(struct tty_struct *tty, struct file *filp)
         info->port.tty = NULL;
 
         if (info->port.blocked_open) {
-                if (info->close_delay) {
-                        msleep_interruptible(jiffies_to_msecs(info->close_delay));
+                if (info->port.close_delay) {
+                        msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
                 }
                 wake_up_interruptible(&info->port.open_wait);
         }
@@ -3802,12 +3802,12 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev)
                 printk("%s(%d) Error can't allocate device instance data for adapter %d, port %d\n",
                         __FILE__,__LINE__, adapter_num, port_num);
         } else {
+                tty_port_init(&info->port);
                 info->magic = MGSL_MAGIC;
                 INIT_WORK(&info->task, bh_handler);
                 info->max_frame_size = 4096;
-                info->close_delay = 5*HZ/10;
-                info->closing_wait = 30*HZ;
-                tty_port_init(&info->port);
+                info->port.close_delay = 5*HZ/10;
+                info->port.closing_wait = 30*HZ;
                 init_waitqueue_head(&info->status_event_wait_q);
                 init_waitqueue_head(&info->event_wait_q);
                 spin_lock_init(&info->netlock);
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a8cc416a23c0..82f6a8c86332 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2094,6 +2094,8 @@ void tty_port_init(struct tty_port *port)
         init_waitqueue_head(&port->open_wait);
         init_waitqueue_head(&port->close_wait);
         mutex_init(&port->mutex);
+        port->close_delay = (50 * HZ) / 100;
+        port->closing_wait = (3000 * HZ) / 100;
 }
 EXPORT_SYMBOL(tty_port_init);
 
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index a982b74a6ee6..2d3d1e04ba92 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -567,8 +567,6 @@ struct cyclades_port {
         int                     chip_rev;
         int                     custom_divisor;
         u8                      x_char; /* to be pushed out ASAP */
-        int                     close_delay;
-        unsigned short          closing_wait;
         int                     breakon;
         int                     breakoff;
         int                     xmit_head;
@@ -586,8 +584,8 @@ struct cyclades_port {
 };
 
 #define CLOSING_WAIT_DELAY      30*HZ
-#define CY_CLOSING_WAIT_NONE    65535
-#define CY_CLOSING_WAIT_INF     0
+#define CY_CLOSING_WAIT_NONE    ASYNC_CLOSING_WAIT_NONE
+#define CY_CLOSING_WAIT_INF     ASYNC_CLOSING_WAIT_INF
 
 
 #define CyMAX_CHIPS_PER_CARD    8
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 46008e86b191..4e5833073aa6 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -188,6 +188,8 @@ struct tty_port {
         unsigned long           flags;          /* TTY flags ASY_*/
         struct mutex            mutex;          /* Locking */
         unsigned char           *xmit_buf;      /* Optional buffer */
+        int                     close_delay;    /* Close port delay */
+        int                     closing_wait;   /* Delay for output */
 };
 
 /*