Merge branch 'linus' into cpus4096-for-linus

Conflicts:

	net/sunrpc/svc.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

50 files changed, 250 insertions, 249 deletions

diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 0276471cb25e..6558a4037806 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -4,8 +4,6 @@
  * Driver for the serial port on the 21285 StrongArm-110 core logic chip.
  *
  * Based on drivers/char/serial.c
- *
- *  $Id: 21285.c,v 1.37 2002/07/28 10:03:27 rmk Exp $
  */
 #include <linux/module.h>
 #include <linux/tty.h>
@@ -88,7 +86,7 @@ static void serial21285_enable_ms(struct uart_port *port)
 static irqreturn_t serial21285_rx_chars(int irq, void *dev_id)
 {
 	struct uart_port *port = dev_id;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned int status, ch, flag, rxs, max_count = 256;
 
 	status = *CSR_UARTFLG;
@@ -237,8 +235,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios,
 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); 
 	quot = uart_get_divisor(port, baud);
 
-	if (port->info && port->info->tty) {
-		struct tty_struct *tty = port->info->tty;
+	if (port->info && port->info->port.tty) {
+		struct tty_struct *tty = port->info->port.tty;
 		unsigned int b = port->uartclk / (16 * quot);
 		tty_encode_baud_rate(tty, b, b);
 	}
@@ -494,7 +492,7 @@ static int __init serial21285_init(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: 21285 driver $Revision: 1.37 $\n");
+	printk(KERN_INFO "Serial: 21285 driver\n");
 
 	serial21285_setup_ports();
 
@@ -515,5 +513,5 @@ module_init(serial21285_init);
 module_exit(serial21285_exit);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Intel Footbridge (21285) serial driver $Revision: 1.37 $");
+MODULE_DESCRIPTION("Intel Footbridge (21285) serial driver");
 MODULE_ALIAS_CHARDEV(SERIAL_21285_MAJOR, SERIAL_21285_MINOR);
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index bbf5bc5892c7..381b12ac20e0 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -249,7 +249,7 @@ static void status_handle(struct m68k_serial *info, unsigned short status)
 {
 #if 0
 	if(status & DCD) {
-		if((info->tty->termios->c_cflag & CRTSCTS) &&
+		if((info->port.tty->termios->c_cflag & CRTSCTS) &&
 		   ((info->curregs[3] & AUTO_ENAB)==0)) {
 			info->curregs[3] |= AUTO_ENAB;
 			info->pendregs[3] |= AUTO_ENAB;
@@ -274,7 +274,7 @@ static void status_handle(struct m68k_serial *info, unsigned short status)
 
 static void receive_chars(struct m68k_serial *info, unsigned short rx)
 {
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 	m68328_uart *uart = &uart_addr[info->line];
 	unsigned char ch, flag;
 
@@ -345,7 +345,7 @@ static void transmit_chars(struct m68k_serial *info)
 		goto clear_and_return;
 	}
 
-	if((info->xmit_cnt <= 0) || info->tty->stopped) {
+	if((info->xmit_cnt <= 0) || info->port.tty->stopped) {
 		/* That's peculiar... TX ints off */
 		uart->ustcnt &= ~USTCNT_TX_INTR_MASK;
 		goto clear_and_return;
@@ -403,7 +403,7 @@ static void do_softint(struct work_struct *work)
 	struct m68k_serial	*info = container_of(work, struct m68k_serial, tqueue);
 	struct tty_struct	*tty;
 	
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty)
 		return;
 #if 0
@@ -427,7 +427,7 @@ static void do_serial_hangup(struct work_struct *work)
 	struct m68k_serial	*info = container_of(work, struct m68k_serial, tqueue_hangup);
 	struct tty_struct	*tty;
 	
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty)
 		return;
 
@@ -471,8 +471,8 @@ static int startup(struct m68k_serial * info)
 	uart->ustcnt = USTCNT_UEN | USTCNT_RXEN | USTCNT_RX_INTR_MASK;
 #endif
 
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
 
 	/*
@@ -506,8 +506,8 @@ static void shutdown(struct m68k_serial * info)
 		info->xmit_buf = 0;
 	}
 
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 	
 	info->flags &= ~S_INITIALIZED;
 	local_irq_restore(flags);
@@ -573,9 +573,9 @@ static void change_speed(struct m68k_serial *info)
 	unsigned cflag;
 	int	i;
 
-	if (!info->tty || !info->tty->termios)
+	if (!info->port.tty || !info->port.tty->termios)
 		return;
-	cflag = info->tty->termios->c_cflag;
+	cflag = info->port.tty->termios->c_cflag;
 	if (!(port = info->port))
 		return;
 
@@ -1131,7 +1131,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
 	tty_ldisc_flush(tty);
 	tty->closing = 0;
 	info->event = 0;
-	info->tty = 0;
+	info->port.tty = NULL;
 #warning "This is not and has never been valid so fix it"	
 #if 0
 	if (tty->ldisc.num != ldiscs[N_TTY].num) {
@@ -1169,7 +1169,7 @@ void rs_hangup(struct tty_struct *tty)
 	info->event = 0;
 	info->count = 0;
 	info->flags &= ~S_NORMAL_ACTIVE;
-	info->tty = 0;
+	info->port.tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -1286,7 +1286,7 @@ int rs_open(struct tty_struct *tty, struct file * filp)
 
 	info->count++;
 	tty->driver_data = info;
-	info->tty = tty;
+	info->port.tty = tty;
 
 	/*
 	 * Start up serial port
@@ -1363,7 +1363,7 @@ rs68328_init(void)
 	    info = &m68k_soft[i];
 	    info->magic = SERIAL_MAGIC;
 	    info->port = (int) &uart_addr[i];
-	    info->tty = 0;
+	    info->port.tty = NULL;
 	    info->irq = uart_irqs[i];
 	    info->custom_divisor = 16;
 	    info->close_delay = 50;
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index d9d4e9552a4d..24661cd5e4fb 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -393,7 +393,7 @@ static void rs_360_start(struct tty_struct *tty)
 
 static _INLINE_ void receive_chars(ser_info_t *info)
 {
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 	unsigned char ch, flag, *cp;
 	/*int	ignored = 0;*/
 	int	i;
@@ -514,7 +514,7 @@ static _INLINE_ void receive_chars(ser_info_t *info)
 
 static _INLINE_ void receive_break(ser_info_t *info)
 {
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 
 	info->state->icount.brk++;
 	/* Check to see if there is room in the tty buffer for
@@ -528,7 +528,7 @@ static _INLINE_ void transmit_chars(ser_info_t *info)
 {
 
 	if ((info->flags & TX_WAKEUP) ||
-	    (info->tty->flags & (1 << TTY_DO_WRITE_WAKEUP))) {
+	    (info->port.tty->flags & (1 << TTY_DO_WRITE_WAKEUP))) {
 		schedule_work(&info->tqueue);
 	}
 
@@ -584,12 +584,12 @@ static _INLINE_ void check_modem_status(struct async_struct *info)
 		}
 	}
 	if (info->flags & ASYNC_CTS_FLOW) {
-		if (info->tty->hw_stopped) {
+		if (info->port.tty->hw_stopped) {
 			if (status & UART_MSR_CTS) {
 #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
 				printk("CTS tx start...");
 #endif
-				info->tty->hw_stopped = 0;
+				info->port.tty->hw_stopped = 0;
 				info->IER |= UART_IER_THRI;
 				serial_out(info, UART_IER, info->IER);
 				rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
@@ -600,7 +600,7 @@ static _INLINE_ void check_modem_status(struct async_struct *info)
 #if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
 				printk("CTS tx stop...");
 #endif
-				info->tty->hw_stopped = 1;
+				info->port.tty->hw_stopped = 1;
 				info->IER &= ~UART_IER_THRI;
 				serial_out(info, UART_IER, info->IER);
 			}
@@ -670,7 +670,7 @@ static void do_softint(void *private_)
 	ser_info_t	*info = (ser_info_t *) private_;
 	struct tty_struct	*tty;
 	
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty)
 		return;
 
@@ -693,7 +693,7 @@ static void do_serial_hangup(void *private_)
 	struct async_struct	*info = (struct async_struct *) private_;
 	struct tty_struct	*tty;
 	
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty)
 		return;
 
@@ -721,8 +721,8 @@ static int startup(ser_info_t *info)
 
 #ifdef maybe
 	if (!state->port || !state->type) {
-		if (info->tty)
-			set_bit(TTY_IO_ERROR, &info->tty->flags);
+		if (info->port.tty)
+			set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 		goto errout;
 	}
 #endif
@@ -734,12 +734,12 @@ static int startup(ser_info_t *info)
 
 #ifdef modem_control
 	info->MCR = 0;
-	if (info->tty->termios->c_cflag & CBAUD)
+	if (info->port.tty->termios->c_cflag & CBAUD)
 		info->MCR = UART_MCR_DTR | UART_MCR_RTS;
 #endif
 	
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	/*
 	 * and set the speed of the serial port
@@ -842,8 +842,8 @@ static void shutdown(ser_info_t *info)
 			smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 	}
 	
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	info->flags &= ~ASYNC_INITIALIZED;
 	local_irq_restore(flags);
@@ -863,9 +863,9 @@ static void change_speed(ser_info_t *info)
 	volatile struct smc_regs	*smcp;
 	volatile struct scc_regs	*sccp;
 
-	if (!info->tty || !info->tty->termios)
+	if (!info->port.tty || !info->port.tty->termios)
 		return;
-	cflag = info->tty->termios->c_cflag;
+	cflag = info->port.tty->termios->c_cflag;
 
 	state = info->state;
 
@@ -936,24 +936,24 @@ static void change_speed(ser_info_t *info)
 	 * Set up parity check flag
 	 */
 	info->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
-	if (I_INPCK(info->tty))
+	if (I_INPCK(info->port.tty))
 		info->read_status_mask |= BD_SC_FR | BD_SC_PR;
-	if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
+	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
 		info->read_status_mask |= BD_SC_BR;
 	
 	/*
 	 * Characters to ignore
 	 */
 	info->ignore_status_mask = 0;
-	if (I_IGNPAR(info->tty))
+	if (I_IGNPAR(info->port.tty))
 		info->ignore_status_mask |= BD_SC_PR | BD_SC_FR;
-	if (I_IGNBRK(info->tty)) {
+	if (I_IGNBRK(info->port.tty)) {
 		info->ignore_status_mask |= BD_SC_BR;
 		/*
 		 * If we're ignore parity and break indicators, ignore 
 		 * overruns too.  (For real raw support).
 		 */
-		if (I_IGNPAR(info->tty))
+		if (I_IGNPAR(info->port.tty))
 			info->ignore_status_mask |= BD_SC_OV;
 	}
 	/*
@@ -1658,7 +1658,7 @@ static void rs_360_close(struct tty_struct *tty, struct file * filp)
 	tty_ldisc_flush(tty);		
 	tty->closing = 0;
 	info->event = 0;
-	info->tty = 0;
+	info->port.tty = NULL;
 	if (info->blocked_open) {
 		if (info->close_delay) {
 			msleep_interruptible(jiffies_to_msecs(info->close_delay));
@@ -1758,7 +1758,7 @@ static void rs_360_hangup(struct tty_struct *tty)
 	info->event = 0;
 	state->count = 0;
 	info->flags &= ~ASYNC_NORMAL_ACTIVE;
-	info->tty = 0;
+	info->port.tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -1919,7 +1919,7 @@ static int rs_360_open(struct tty_struct *tty, struct file * filp)
 	printk("rs_open %s, count = %d\n", tty->name, info->state->count);
 #endif
 	tty->driver_data = info;
-	info->tty = tty;
+	info->port.tty = tty;
 
 	/*
 	 * Start up serial port
@@ -1976,7 +1976,7 @@ static inline int line_info(char *buf, struct serial_state *state)
 		info->port = state->port;
 		info->flags = state->flags;
 		info->quot = 0;
-		info->tty = 0;
+		info->port.tty = NULL;
 	}
 	local_irq_disable();
 	status = serial_in(info, UART_MSR);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index be95e55b228b..ce948b66bbd4 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -12,8 +12,6 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
- *  $Id: 8250.c,v 1.90 2002/07/28 10:03:27 rmk Exp $
- *
  * A note about mapbase / membase
  *
  *  mapbase is the physical address of the IO port.
@@ -1289,7 +1287,7 @@ static void serial8250_enable_ms(struct uart_port *port)
 static void
 receive_chars(struct uart_8250_port *up, unsigned int *status)
 {
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned char ch, lsr = *status;
 	int max_count = 256;
 	char flag;
@@ -2934,7 +2932,7 @@ static int __init serial8250_init(void)
 	if (nr_uarts > UART_NR)
 		nr_uarts = UART_NR;
 
-	printk(KERN_INFO "Serial: 8250/16550 driver $Revision: 1.90 $ "
+	printk(KERN_INFO "Serial: 8250/16550 driver"
 		"%d ports, IRQ sharing %sabled\n", nr_uarts,
 		share_irqs ? "en" : "dis");
 
@@ -2995,7 +2993,7 @@ EXPORT_SYMBOL(serial8250_suspend_port);
 EXPORT_SYMBOL(serial8250_resume_port);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic 8250/16x50 serial driver $Revision: 1.90 $");
+MODULE_DESCRIPTION("Generic 8250/16x50 serial driver");
 
 module_param(share_irqs, uint, 0644);
 MODULE_PARM_DESC(share_irqs, "Share IRQs with other non-8250/16x50 devices"
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 91bd28f2bb47..78c00162b04e 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -11,8 +11,6 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- *
- *  $Id: 8250.h,v 1.8 2002/07/21 21:32:30 rmk Exp $
  */
 
 #include <linux/serial_8250.h>
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 788c3559522d..1b36087665a2 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -10,8 +10,6 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License.
- *
- *  $Id: 8250_pci.c,v 1.28 2002/11/02 11:14:18 rmk Exp $
  */
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 638b68649e79..fde7f9ccf57e 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -12,8 +12,6 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License.
- *
- *  $Id: 8250_pnp.c,v 1.10 2002/07/21 21:32:30 rmk Exp $
  */
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 18ca9075e131..8fc7451c0049 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1,8 +1,6 @@
 #
 # Serial device configuration
 #
-# $Id: Kconfig,v 1.11 2004/03/11 18:08:04 lethal Exp $
-#
 
 menu "Serial drivers"
 	depends on HAS_IOMEM
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 7d85c1fbe7e0..3a0bbbe17aa3 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -1,8 +1,6 @@
 #
 # Makefile for the kernel serial device drivers.
 #
-#  $Id: Makefile,v 1.8 2002/07/21 21:32:30 rmk Exp $
-#
 
 obj-$(CONFIG_SERIAL_CORE) += serial_core.o
 obj-$(CONFIG_SERIAL_21285) += 21285.o
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index e88da72f8304..90b56c2c31e2 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -22,8 +22,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- *  $Id: amba.c,v 1.41 2002/07/28 10:03:27 rmk Exp $
- *
  * This is a generic driver for ARM AMBA-type serial ports.  They
  * have a lot of 16550-like features, but are not register compatible.
  * Note that although they do have CTS, DCD and DSR inputs, they do
@@ -119,7 +117,7 @@ static void pl010_enable_ms(struct uart_port *port)
 
 static void pl010_rx_chars(struct uart_amba_port *uap)
 {
-	struct tty_struct *tty = uap->port.info->tty;
+	struct tty_struct *tty = uap->port.info->port.tty;
 	unsigned int status, ch, flag, rsr, max_count = 256;
 
 	status = readb(uap->port.membase + UART01x_FR);
@@ -791,7 +789,7 @@ static int __init pl010_init(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: AMBA driver $Revision: 1.41 $\n");
+	printk(KERN_INFO "Serial: AMBA driver\n");
 
 	ret = uart_register_driver(&amba_reg);
 	if (ret == 0) {
@@ -812,5 +810,5 @@ module_init(pl010_init);
 module_exit(pl010_exit);
 
 MODULE_AUTHOR("ARM Ltd/Deep Blue Solutions Ltd");
-MODULE_DESCRIPTION("ARM AMBA serial port driver $Revision: 1.41 $");
+MODULE_DESCRIPTION("ARM AMBA serial port driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 08adc1de4a79..9d08f27208a1 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -22,8 +22,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- *  $Id: amba.c,v 1.41 2002/07/28 10:03:27 rmk Exp $
- *
  * This is a generic driver for ARM AMBA-type serial ports.  They
  * have a lot of 16550-like features, but are not register compatible.
  * Note that although they do have CTS, DCD and DSR inputs, they do
@@ -109,7 +107,7 @@ static void pl011_enable_ms(struct uart_port *port)
 
 static void pl011_rx_chars(struct uart_amba_port *uap)
 {
-	struct tty_struct *tty = uap->port.info->tty;
+	struct tty_struct *tty = uap->port.info->port.tty;
 	unsigned int status, ch, flag, max_count = 256;
 
 	status = readw(uap->port.membase + UART01x_FR);
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 6aeef22bd203..1fee12c1f4f8 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -662,14 +662,14 @@ static void atmel_rx_from_ring(struct uart_port *port)
 	 * uart_start(), which takes the lock.
 	 */
 	spin_unlock(&port->lock);
-	tty_flip_buffer_push(port->info->tty);
+	tty_flip_buffer_push(port->info->port.tty);
 	spin_lock(&port->lock);
 }
 
 static void atmel_rx_from_dma(struct uart_port *port)
 {
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	struct atmel_dma_buffer *pdc;
 	int rx_idx = atmel_port->pdc_rx_idx;
 	unsigned int head;
@@ -794,7 +794,7 @@ static void atmel_tasklet_func(unsigned long data)
 static int atmel_startup(struct uart_port *port)
 {
 	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	int retval;
 
 	/*
@@ -956,6 +956,20 @@ static void atmel_shutdown(struct uart_port *port)
 }
 
 /*
+ * Flush any TX data submitted for DMA. Called when the TX circular
+ * buffer is reset.
+ */
+static void atmel_flush_buffer(struct uart_port *port)
+{
+	struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+
+	if (atmel_use_dma_tx(port)) {
+		UART_PUT_TCR(port, 0);
+		atmel_port->pdc_tx.ofs = 0;
+	}
+}
+
+/*
  * Power / Clock management.
  */
 static void atmel_serial_pm(struct uart_port *port, unsigned int state,
@@ -1189,6 +1203,7 @@ static struct uart_ops atmel_pops = {
 	.break_ctl	= atmel_break_ctl,
 	.startup	= atmel_startup,
 	.shutdown	= atmel_shutdown,
+	.flush_buffer	= atmel_flush_buffer,
 	.set_termios	= atmel_set_termios,
 	.type		= atmel_type,
 	.release_port	= atmel_release_port,
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index fd9bb777df28..9d8543762a30 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -175,7 +175,7 @@ int kgdb_get_debug_char(void)
 #ifdef CONFIG_SERIAL_BFIN_PIO
 static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 {
-	struct tty_struct *tty = uart->port.info->tty;
+	struct tty_struct *tty = uart->port.info->port.tty;
 	unsigned int status, ch, flg;
 	static struct timeval anomaly_start = { .tv_sec = 0 };
 
@@ -393,7 +393,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
 
 static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
 {
-	struct tty_struct *tty = uart->port.info->tty;
+	struct tty_struct *tty = uart->port.info->port.tty;
 	int i, flg, status;
 
 	status = UART_GET_LSR(uart);
@@ -552,7 +552,7 @@ static void bfin_serial_mctrl_check(struct bfin_serial_port *uart)
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
 	unsigned int status;
 	struct uart_info *info = uart->port.info;
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 
 	status = bfin_serial_get_mctrl(&uart->port);
 	uart_handle_cts_change(&uart->port, status & TIOCM_CTS);
@@ -814,10 +814,10 @@ static void bfin_serial_set_ldisc(struct uart_port *port)
 	int line = port->line;
 	unsigned short val;
 
-	if (line >= port->info->tty->driver->num)
+	if (line >= port->info->port.tty->driver->num)
 		return;
 
-	switch (port->info->tty->ldisc.num) {
+	switch (port->info->port.tty->ldisc.num) {
 	case N_IRDA:
 		val = UART_GET_GCTL(&bfin_serial_ports[line]);
 		val |= (IREN | RPOLC);
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index aca1240ad808..dd8564d25051 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -174,7 +174,7 @@ static int sport_uart_setup(struct sport_uart_port *up, int sclk, int baud_rate)
 static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id)
 {
 	struct sport_uart_port *up = dev_id;
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned int ch;
 
 	do {
@@ -201,7 +201,7 @@ static irqreturn_t sport_uart_tx_irq(int irq, void *dev_id)
 static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
 {
 	struct sport_uart_port *up = dev_id;
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned int stat = SPORT_GET_STAT(up);
 
 	/* Overflow in RX FIFO */
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 23827189ec0e..fc1fa9267c59 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -21,9 +21,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *  $Id: clps711x.c,v 1.42 2002/07/28 10:03:28 rmk Exp $
- *
  */
 
 #if defined(CONFIG_SERIAL_CLPS711X_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
@@ -96,7 +93,7 @@ static void clps711xuart_enable_ms(struct uart_port *port)
 static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id)
 {
 	struct uart_port *port = dev_id;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned int status, ch, flg;
 
 	status = clps_readl(SYSFLG(port));
@@ -551,7 +548,7 @@ static int __init clps711xuart_init(void)
 {
 	int ret, i;
 
-	printk(KERN_INFO "Serial: CLPS711x driver $Revision: 1.42 $\n");
+	printk(KERN_INFO "Serial: CLPS711x driver\n");
 
 	ret = uart_register_driver(&clps711x_reg);
 	if (ret)
@@ -577,6 +574,6 @@ module_init(clps711xuart_init);
 module_exit(clps711xuart_exit);
 
 MODULE_AUTHOR("Deep Blue Solutions Ltd");
-MODULE_DESCRIPTION("CLPS-711x generic serial driver $Revision: 1.42 $");
+MODULE_DESCRIPTION("CLPS-711x generic serial driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV(SERIAL_CLPS711X_MAJOR, SERIAL_CLPS711X_MINOR);
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 3e0366eab412..8249ac490559 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -968,7 +968,7 @@ static DEFINE_MUTEX(tmp_buf_mutex);
 /* Calculate the chartime depending on baudrate, numbor of bits etc. */
 static void update_char_time(struct e100_serial * info)
 {
-	tcflag_t cflags = info->tty->termios->c_cflag;
+	tcflag_t cflags = info->port.tty->termios->c_cflag;
 	int bits;
 
 	/* calc. number of bits / data byte */
@@ -1483,7 +1483,8 @@ rs_stop(struct tty_struct *tty)
 				CIRC_CNT(info->xmit.head,
 					 info->xmit.tail,SERIAL_XMIT_SIZE)));
 
-		xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->tty));
+		xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char,
+				STOP_CHAR(info->port.tty));
 		xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, stop);
 		if (tty->termios->c_iflag & IXON ) {
 			xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
@@ -1772,7 +1773,7 @@ add_char_and_flag(struct e100_serial *info, unsigned char data, unsigned char fl
 
 		info->icount.rx++;
 	} else {
-		struct tty_struct *tty = info->tty;
+		struct tty_struct *tty = info->port.tty;
 		tty_insert_flip_char(tty, data, flag);
 		info->icount.rx++;
 	}
@@ -1838,7 +1839,7 @@ static unsigned int handle_all_descr_data(struct e100_serial *info)
 		descr->status = 0;
 
 		DFLOW(  DEBUG_LOG(info->line, "RX %lu\n", recvl);
-			if (info->tty->stopped) {
+			if (info->port.tty->stopped) {
 				unsigned char *buf = phys_to_virt(descr->buf);
 				DEBUG_LOG(info->line, "rx 0x%02X\n", buf[0]);
 				DEBUG_LOG(info->line, "rx 0x%02X\n", buf[1]);
@@ -1872,7 +1873,7 @@ static void receive_chars_dma(struct e100_serial *info)
 		IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
 		IO_STATE(R_DMA_CH6_CLR_INTR, clr_eop, do);
 
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty) /* Something wrong... */
 		return;
 
@@ -2122,7 +2123,7 @@ static void flush_to_flip_buffer(struct e100_serial *info)
 	unsigned long flags;
 
 	local_irq_save(flags);
-	tty = info->tty;
+	tty = info->port.tty;
 
 	if (!tty) {
 		local_irq_restore(flags);
@@ -2287,7 +2288,7 @@ static
 struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
 {
 	unsigned long data_read;
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 
 	if (!tty) {
 		printk("!NO TTY!\n");
@@ -2350,7 +2351,7 @@ more_data:
 					data_in, data_read);
 				char flag = TTY_NORMAL;
 				if (info->errorcode == ERRCODE_INSERT_BREAK) {
-					struct tty_struct *tty = info->tty;
+					struct tty_struct *tty = info->port.tty;
 					tty_insert_flip_char(tty, 0, flag);
 					info->icount.rx++;
 				}
@@ -2396,7 +2397,7 @@ more_data:
 		goto more_data;
 	}
 
-	tty_flip_buffer_push(info->tty);
+	tty_flip_buffer_push(info->port.tty);
 	return info;
 }
 
@@ -2547,8 +2548,8 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 		rstat = info->port[REG_STATUS];
 		DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat));
 		e100_disable_serial_tx_ready_irq(info);
-		if (info->tty->stopped)
-			rs_stop(info->tty);
+		if (info->port.tty->stopped)
+			rs_stop(info->port.tty);
 		/* Enable the DMA channel and tell it to continue */
 		e100_enable_txdma_channel(info);
 		/* Wait 12 cycles before doing the DMA command */
@@ -2561,9 +2562,10 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 	}
 	/* Normal char-by-char interrupt */
 	if (info->xmit.head == info->xmit.tail
-	    || info->tty->stopped
-	    || info->tty->hw_stopped) {
-		DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n", info->tty->stopped));
+	    || info->port.tty->stopped
+	    || info->port.tty->hw_stopped) {
+		DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n",
+				info->port.tty->stopped));
 		e100_disable_serial_tx_ready_irq(info);
 		info->tr_running = 0;
 		return;
@@ -2725,7 +2727,7 @@ do_softint(struct work_struct *work)
 
 	info = container_of(work, struct e100_serial, work);
 
-	tty = info->tty;
+	tty = info->port.tty;
 	if (!tty)
 		return;
 
@@ -2767,8 +2769,8 @@ startup(struct e100_serial * info)
 	/* Bits and pieces collected from below.  Better to have them
 	   in one ifdef:ed clause than to mix in a lot of ifdefs,
 	   right? */
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	info->xmit.head = info->xmit.tail = 0;
 	info->first_recv_buffer = info->last_recv_buffer = NULL;
@@ -2825,8 +2827,8 @@ startup(struct e100_serial * info)
 		e100_disable_txdma_channel(info);
 	}
 
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	info->xmit.head = info->xmit.tail = 0;
 	info->first_recv_buffer = info->last_recv_buffer = NULL;
@@ -2940,14 +2942,14 @@ shutdown(struct e100_serial * info)
 			descr[i].buf = 0;
 		}
 
-	if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) {
+	if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
 		/* hang up DTR and RTS if HUPCL is enabled */
 		e100_dtr(info, 0);
 		e100_rts(info, 0); /* could check CRTSCTS before doing this */
 	}
 
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	info->flags &= ~ASYNC_INITIALIZED;
 	local_irq_restore(flags);
@@ -2964,12 +2966,12 @@ change_speed(struct e100_serial *info)
 	unsigned long flags;
 	/* first some safety checks */
 
-	if (!info->tty || !info->tty->termios)
+	if (!info->port.tty || !info->port.tty->termios)
 		return;
 	if (!info->port)
 		return;
 
-	cflag = info->tty->termios->c_cflag;
+	cflag = info->port.tty->termios->c_cflag;
 
 	/* possibly, the tx/rx should be disabled first to do this safely */
 
@@ -3097,10 +3099,11 @@ change_speed(struct e100_serial *info)
 
 	info->port[REG_TR_CTRL] = info->tx_ctrl;
 	info->port[REG_REC_CTRL] = info->rx_ctrl;
-	xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->tty));
+	xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->port.tty));
 	xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable);
-	if (info->tty->termios->c_iflag & IXON ) {
-		DFLOW(DEBUG_LOG(info->line, "FLOW XOFF enabled 0x%02X\n", STOP_CHAR(info->tty)));
+	if (info->port.tty->termios->c_iflag & IXON ) {
+		DFLOW(DEBUG_LOG(info->line, "FLOW XOFF enabled 0x%02X\n",
+				STOP_CHAR(info->port.tty)));
 		xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
 	}
 
@@ -3475,7 +3478,7 @@ set_serial_info(struct e100_serial *info,
 	info->type = new_serial.type;
 	info->close_delay = new_serial.close_delay;
 	info->closing_wait = new_serial.closing_wait;
-	info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+	info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 
  check_and_exit:
 	if (info->flags & ASYNC_INITIALIZED) {
@@ -3811,7 +3814,7 @@ rs_close(struct tty_struct *tty, struct file * filp)
 	tty_ldisc_flush(tty);
 	tty->closing = 0;
 	info->event = 0;
-	info->tty = 0;
+	info->port.tty = NULL;
 	if (info->blocked_open) {
 		if (info->close_delay)
 			schedule_timeout_interruptible(info->close_delay);
@@ -3915,7 +3918,7 @@ rs_hangup(struct tty_struct *tty)
 	info->event = 0;
 	info->count = 0;
 	info->flags &= ~ASYNC_NORMAL_ACTIVE;
-	info->tty = 0;
+	info->port.tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -4077,9 +4080,9 @@ rs_open(struct tty_struct *tty, struct file * filp)
 
 	info->count++;
 	tty->driver_data = info;
-	info->tty = tty;
+	info->port.tty = tty;
 
-	info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+	info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 
 	if (!tmp_buf) {
 		page = get_zeroed_page(GFP_KERNEL);
@@ -4267,14 +4270,14 @@ static int line_info(char *buf, struct e100_serial *info)
 		       (unsigned long)info->max_recv_cnt);
 
 #if 1
-	if (info->tty) {
+	if (info->port.tty) {
 
-		if (info->tty->stopped)
+		if (info->port.tty->stopped)
 			ret += sprintf(buf+ret, " stopped:%i",
-				       (int)info->tty->stopped);
-		if (info->tty->hw_stopped)
+				       (int)info->port.tty->stopped);
+		if (info->port.tty->hw_stopped)
 			ret += sprintf(buf+ret, " hw_stopped:%i",
-				       (int)info->tty->hw_stopped);
+				       (int)info->port.tty->hw_stopped);
 	}
 
 	{
@@ -4465,7 +4468,7 @@ rs_init(void)
 		info->uses_dma_in = 0;
 		info->uses_dma_out = 0;
 		info->line = i;
-		info->tty = 0;
+		info->port.tty = NULL;
 		info->type = PORT_ETRAX;
 		info->tr_running = 0;
 		info->forced_eop = 0;
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index 0dddd68b20d2..a81d2c2ff8a2 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -197,7 +197,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
 	while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) {
 		dport = &mux->dport[LINE(status)];
 		uport = &dport->port;
-		tty = uport->info->tty;		/* point to the proper dev */
+		tty = uport->info->port.tty;	/* point to the proper dev */
 
 		ch = UCHAR(status);		/* grab the char */
 		flag = TTY_NORMAL;
@@ -249,7 +249,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
 	}
 	for (i = 0; i < DZ_NB_PORT; i++)
 		if (lines_rx[i])
-			tty_flip_buffer_push(mux->dport[i].port.info->tty);
+			tty_flip_buffer_push(mux->dport[i].port.info->port.tty);
 }
 
 /*
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 64acb39a51ba..e0da4dc7bbf6 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -372,7 +372,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
 {
 	struct imx_port *sport = dev_id;
 	unsigned int rx,flg,ignored = 0;
-	struct tty_struct *tty = sport->port.info->tty;
+	struct tty_struct *tty = sport->port.info->port.tty;
 	unsigned long flags, temp;
 
 	spin_lock_irqsave(&sport->port.lock,flags);
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index 4f1af71e9a1b..6dd98f9fb89c 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -905,7 +905,7 @@ static void transmit_chars(struct uart_port *the_port)
 		return;
 
 	info = the_port->info;
-	tty = info->tty;
+	tty = info->port.tty;
 
 	if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
 		/* Nothing to do or hw stopped */
@@ -997,14 +997,14 @@ ioc3_change_speed(struct uart_port *the_port,
 
 	the_port->ignore_status_mask = N_ALL_INPUT;
 
-	info->tty->low_latency = 1;
+	info->port.tty->low_latency = 1;
 
-	if (I_IGNPAR(info->tty))
+	if (I_IGNPAR(info->port.tty))
 		the_port->ignore_status_mask &= ~(N_PARITY_ERROR
 						  | N_FRAMING_ERROR);
-	if (I_IGNBRK(info->tty)) {
+	if (I_IGNBRK(info->port.tty)) {
 		the_port->ignore_status_mask &= ~N_BREAK;
-		if (I_IGNPAR(info->tty))
+		if (I_IGNPAR(info->port.tty))
 			the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
 	}
 	if (!(cflag & CREAD)) {
@@ -1399,14 +1399,14 @@ static int receive_chars(struct uart_port *the_port)
 	/* Make sure all the pointers are "good" ones */
 	if (!info)
 		return 0;
-	if (!info->tty)
+	if (!info->port.tty)
 		return 0;
 
 	if (!(port->ip_flags & INPUT_ENABLE))
 		return 0;
 
 	spin_lock_irqsave(&the_port->lock, pflags);
-	tty = info->tty;
+	tty = info->port.tty;
 
 	read_count = do_read(the_port, ch, MAX_CHARS);
 	if (read_count > 0) {
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 49b8a82b7b9f..6bab63cd5b29 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -1635,7 +1635,7 @@ static void transmit_chars(struct uart_port *the_port)
 		return;
 
 	info = the_port->info;
-	tty = info->tty;
+	tty = info->port.tty;
 
 	if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
 		/* Nothing to do or hw stopped */
@@ -1738,14 +1738,14 @@ ioc4_change_speed(struct uart_port *the_port,
 
 	the_port->ignore_status_mask = N_ALL_INPUT;
 
-	info->tty->low_latency = 1;
+	info->port.tty->low_latency = 1;
 
-	if (I_IGNPAR(info->tty))
+	if (I_IGNPAR(info->port.tty))
 		the_port->ignore_status_mask &= ~(N_PARITY_ERROR
 						| N_FRAMING_ERROR);
-	if (I_IGNBRK(info->tty)) {
+	if (I_IGNBRK(info->port.tty)) {
 		the_port->ignore_status_mask &= ~N_BREAK;
-		if (I_IGNPAR(info->tty))
+		if (I_IGNPAR(info->port.tty))
 			the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
 	}
 	if (!(cflag & CREAD)) {
@@ -1801,7 +1801,8 @@ static inline int ic4_startup_local(struct uart_port *the_port)
 	ioc4_set_proto(port, the_port->mapbase);
 
 	/* set the speed of the serial port */
-	ioc4_change_speed(the_port, info->tty->termios, (struct ktermios *)0);
+	ioc4_change_speed(the_port, info->port.tty->termios,
+			  (struct ktermios *)0);
 
 	return 0;
 }
@@ -2346,11 +2347,11 @@ static void receive_chars(struct uart_port *the_port)
 	/* Make sure all the pointers are "good" ones */
 	if (!info)
 		return;
-	if (!info->tty)
+	if (!info->port.tty)
 		return;
 
 	spin_lock_irqsave(&the_port->lock, pflags);
-	tty = info->tty;
+	tty = info->port.tty;
 
 	request_count = tty_buffer_request_room(tty, IOC4_MAX_CHARS);
 
@@ -2440,8 +2441,8 @@ static void ic4_shutdown(struct uart_port *the_port)
 
 	wake_up_interruptible(&info->delta_msr_wait);
 
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	spin_lock_irqsave(&the_port->lock, port_flags);
 	set_notification(port, N_ALL, 0);
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 9c95bc0398ad..0d9acbd0bb70 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -257,8 +257,8 @@ static struct tty_struct *ip22zilog_receive_chars(struct uart_ip22zilog_port *up
 
 	tty = NULL;
 	if (up->port.info != NULL &&
-	    up->port.info->tty != NULL)
-		tty = up->port.info->tty;
+	    up->port.info->port.tty != NULL)
+		tty = up->port.info->port.tty;
 
 	for (;;) {
 		ch = readb(&channel->control);
diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c
index b2d6f5b1a7c2..b7584ca55ade 100644
--- a/drivers/serial/jsm/jsm_neo.c
+++ b/drivers/serial/jsm/jsm_neo.c
@@ -998,7 +998,7 @@ static void neo_param(struct jsm_channel *ch)
 			{     50, B50     },
 		};
 
-		cflag = C_BAUD(ch->uart_port.info->tty);
+		cflag = C_BAUD(ch->uart_port.info->port.tty);
 		baud = 9600;
 		for (i = 0; i < ARRAY_SIZE(baud_rates); i++) {
 			if (baud_rates[i].cflag == cflag) {
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 94ec66372508..a697914ae3d0 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -145,7 +145,7 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch)
 	struct ktermios *termios;
 
 	spin_lock_irqsave(&port->lock, lock_flags);
-	termios = port->info->tty->termios;
+	termios = port->info->port.tty->termios;
 	if (ch == termios->c_cc[VSTART])
 		channel->ch_bd->bd_ops->send_start_character(channel);
 
@@ -239,7 +239,7 @@ static int jsm_tty_open(struct uart_port *port)
 	channel->ch_cached_lsr = 0;
 	channel->ch_stops_sent = 0;
 
-	termios = port->info->tty->termios;
+	termios = port->info->port.tty->termios;
 	channel->ch_c_cflag	= termios->c_cflag;
 	channel->ch_c_iflag	= termios->c_iflag;
 	channel->ch_c_oflag	= termios->c_oflag;
@@ -272,7 +272,7 @@ static void jsm_tty_close(struct uart_port *port)
 	jsm_printk(CLOSE, INFO, &channel->ch_bd->pci_dev, "start\n");
 
 	bd = channel->ch_bd;
-	ts = channel->uart_port.info->tty->termios;
+	ts = channel->uart_port.info->port.tty->termios;
 
 	channel->ch_flags &= ~(CH_STOPI);
 
@@ -515,7 +515,7 @@ void jsm_input(struct jsm_channel *ch)
 	if (!ch)
 		return;
 
-	tp = ch->uart_port.info->tty;
+	tp = ch->uart_port.info->port.tty;
 
 	bd = ch->ch_bd;
 	if(!bd)
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index c2bb11c02bde..23d030511019 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -325,7 +325,7 @@ static void m32r_sio_enable_ms(struct uart_port *port)
 
 static void receive_chars(struct uart_sio_port *up, int *status)
 {
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned char ch;
 	unsigned char flag;
 	int max_count = 256;
@@ -1160,7 +1160,7 @@ static int __init m32r_sio_init(void)
 {
 	int ret, i;
 
-	printk(KERN_INFO "Serial: M32R SIO driver $Revision: 1.11 $ ");
+	printk(KERN_INFO "Serial: M32R SIO driver\n");
 
 	for (i = 0; i < NR_IRQS; i++)
 		spin_lock_init(&irq_lists[i].lock);
@@ -1189,4 +1189,4 @@ EXPORT_SYMBOL(m32r_sio_suspend_port);
 EXPORT_SYMBOL(m32r_sio_resume_port);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic M32R SIO serial driver $Revision: 1.11 $");
+MODULE_DESCRIPTION("Generic M32R SIO serial driver");
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 7e164e0cd211..b2001c5b145c 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -312,7 +312,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
 		uart_insert_char(port, status, MCFUART_USR_RXOVERRUN, ch, flag);
 	}
 
-	tty_flip_buffer_push(port->info->tty);
+	tty_flip_buffer_push(port->info->port.tty);
 }
 
 /****************************************************************************/
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 56007cc8a9b3..fbe3835f6b77 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -327,7 +327,7 @@ static void mcfrs_start(struct tty_struct *tty)
 static inline void receive_chars(struct mcf_serial *info)
 {
 	volatile unsigned char	*uartp;
-	struct tty_struct	*tty = info->tty;
+	struct tty_struct	*tty = info->port.tty;
 	unsigned char		status, ch, flag;
 
 	if (!tty)
@@ -382,7 +382,7 @@ static inline void transmit_chars(struct mcf_serial *info)
 		info->stats.tx++;
 	}
 
-	if ((info->xmit_cnt <= 0) || info->tty->stopped) {
+	if ((info->xmit_cnt <= 0) || info->port.tty->stopped) {
 		info->imr &= ~MCFUART_UIR_TXREADY;
 		uartp[MCFUART_UIMR] = info->imr;
 		return;
@@ -428,7 +428,7 @@ irqreturn_t mcfrs_interrupt(int irq, void *dev_id)
 static void mcfrs_offintr(struct work_struct *work)
 {
 	struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue);
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 	
 	if (tty)
 		tty_wakeup(tty);
@@ -498,7 +498,7 @@ static void mcfrs_timer(void)
 static void do_serial_hangup(struct work_struct *work)
 {
 	struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue_hangup);
-	struct tty_struct *tty = info->tty;
+	struct tty_struct *tty = info->port.tty;
 	
 	if (tty)
 		tty_hangup(tty);
@@ -532,8 +532,8 @@ static int startup(struct mcf_serial * info)
 	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX;  /* reset TX */
 	mcfrs_setsignals(info, 1, 1);
 
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 	info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
 
 	/*
@@ -578,7 +578,7 @@ static void shutdown(struct mcf_serial * info)
 	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX;  /* reset RX */
 	uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX;  /* reset TX */
 
-	if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
+	if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL))
 		mcfrs_setsignals(info, 0, 0);
 
 	if (info->xmit_buf) {
@@ -586,8 +586,8 @@ static void shutdown(struct mcf_serial * info)
 		info->xmit_buf = 0;
 	}
 
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 	
 	info->flags &= ~ASYNC_INITIALIZED;
 	local_irq_restore(flags);
@@ -609,9 +609,9 @@ static void mcfrs_change_speed(struct mcf_serial *info)
 	unsigned int		fraction;
 #endif
 
-	if (!info->tty || !info->tty->termios)
+	if (!info->port.tty || !info->port.tty->termios)
 		return;
-	cflag = info->tty->termios->c_cflag;
+	cflag = info->port.tty->termios->c_cflag;
 	if (info->addr == 0)
 		return;
 
@@ -623,7 +623,7 @@ static void mcfrs_change_speed(struct mcf_serial *info)
 	if (i & CBAUDEX) {
 		i &= ~CBAUDEX;
 		if (i < 1 || i > 4)
-			info->tty->termios->c_cflag &= ~CBAUDEX;
+			info->port.tty->termios->c_cflag &= ~CBAUDEX;
 		else
 			i += 15;
 	}
@@ -1216,7 +1216,7 @@ static void mcfrs_close(struct tty_struct *tty, struct file * filp)
 	
 	tty->closing = 0;
 	info->event = 0;
-	info->tty = 0;
+	info->port.tty = NULL;
 #if 0	
 	if (tty->ldisc.num != ldiscs[N_TTY].num) {
 		if (tty->ldisc.close)
@@ -1325,7 +1325,7 @@ void mcfrs_hangup(struct tty_struct *tty)
 	info->event = 0;
 	info->count = 0;
 	info->flags &= ~ASYNC_NORMAL_ACTIVE;
-	info->tty = 0;
+	info->port.tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -1452,7 +1452,7 @@ int mcfrs_open(struct tty_struct *tty, struct file * filp)
 #endif
 	info->count++;
 	tty->driver_data = info;
-	info->tty = tty;
+	info->port.tty = tty;
 
 	/*
 	 * Start up serial port
@@ -1767,7 +1767,7 @@ mcfrs_init(void)
 	for (i = 0, info = mcfrs_table; (i < NR_PORTS); i++, info++) {
 		info->magic = SERIAL_MAGIC;
 		info->line = i;
-		info->tty = 0;
+		info->port.tty = NULL;
 		info->custom_divisor = 16;
 		info->close_delay = 50;
 		info->closing_wait = 3000;
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index efc971d9647b..36126070d9af 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -732,7 +732,7 @@ static struct uart_ops mpc52xx_uart_ops = {
 static inline int
 mpc52xx_uart_int_rx_chars(struct uart_port *port)
 {
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned char ch, flag;
 	unsigned short status;
 
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index e8819c43f57d..c9f53e71f252 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -932,7 +932,7 @@ static int mpsc_make_ready(struct mpsc_port_info *pi)
 static int mpsc_rx_intr(struct mpsc_port_info *pi)
 {
 	struct mpsc_rx_desc *rxre;
-	struct tty_struct *tty = pi->port.info->tty;
+	struct tty_struct *tty = pi->port.info->port.tty;
 	u32	cmdstat, bytes_in, i;
 	int	rc = 0;
 	u8	*bp;
@@ -1972,7 +1972,7 @@ static int __init mpsc_drv_init(void)
 {
 	int	rc;
 
-	printk(KERN_INFO "Serial: MPSC driver $Revision: 1.00 $\n");
+	printk(KERN_INFO "Serial: MPSC driver\n");
 
 	memset(mpsc_ports, 0, sizeof(mpsc_ports));
 	memset(&mpsc_shared_regs, 0, sizeof(mpsc_shared_regs));
@@ -2004,7 +2004,7 @@ module_init(mpsc_drv_init);
 module_exit(mpsc_drv_exit);
 
 MODULE_AUTHOR("Mark A. Greer <mgreer@mvista.com>");
-MODULE_DESCRIPTION("Generic Marvell MPSC serial/UART driver $Revision: 1.00 $");
+MODULE_DESCRIPTION("Generic Marvell MPSC serial/UART driver");
 MODULE_VERSION(MPSC_VERSION);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(MPSC_MAJOR);
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index e94031731a47..953a5ffa9b44 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -243,7 +243,7 @@ static void mux_write(struct uart_port *port)
 static void mux_read(struct uart_port *port)
 {
 	int data;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	__u32 start_count = port->icount.rx;
 
 	while(1) {
diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c
index 81ac9bb4f39b..9f8ccb735c19 100644
--- a/drivers/serial/netx-serial.c
+++ b/drivers/serial/netx-serial.c
@@ -203,7 +203,7 @@ static void netx_txint(struct uart_port *port)
 static void netx_rxint(struct uart_port *port)
 {
 	unsigned char rx, flg, status;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 
 	while (!(readl(port->membase + UART_FR) & FR_RXFE)) {
 		rx = readl(port->membase + UART_DR);
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 794bd0f50d73..317b061f7641 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -242,12 +242,12 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
 	}
 
 	/* Sanity check, make sure the old bug is no longer happening */
-	if (uap->port.info == NULL || uap->port.info->tty == NULL) {
+	if (uap->port.info == NULL || uap->port.info->port.tty == NULL) {
 		WARN_ON(1);
 		(void)read_zsdata(uap);
 		return NULL;
 	}
-	tty = uap->port.info->tty;
+	tty = uap->port.info->port.tty;
 
 	while (1) {
 		error = 0;
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index d0e5a79ea635..22e30d21225e 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -181,7 +181,7 @@ static void pnx8xxx_enable_ms(struct uart_port *port)
 
 static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
 {
-	struct tty_struct *tty = sport->port.info->tty;
+	struct tty_struct *tty = sport->port.info->port.tty;
 	unsigned int status, ch, flg;
 
 	status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) |
@@ -824,7 +824,7 @@ static int __init pnx8xxx_serial_init(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: PNX8XXX driver $Revision: 1.2 $\n");
+	printk(KERN_INFO "Serial: PNX8XXX driver\n");
 
 	pnx8xxx_init_ports();
 
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index b4f7ffb7688d..b9a93f326fb8 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -101,7 +101,7 @@ static void serial_pxa_stop_rx(struct uart_port *port)
 
 static inline void receive_chars(struct uart_pxa_port *up, int *status)
 {
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned int ch, flag;
 	int max_count = 256;
 
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 62b38582f5e9..a5e76cc18073 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -20,9 +20,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *  $Id: sa1100.c,v 1.50 2002/07/29 14:41:04 rmk Exp $
- *
  */
 
 #if defined(CONFIG_SERIAL_SA1100_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
@@ -192,7 +189,7 @@ static void sa1100_enable_ms(struct uart_port *port)
 static void
 sa1100_rx_chars(struct sa1100_port *sport)
 {
-	struct tty_struct *tty = sport->port.info->tty;
+	struct tty_struct *tty = sport->port.info->port.tty;
 	unsigned int status, ch, flg;
 
 	status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) |
@@ -892,7 +889,7 @@ static int __init sa1100_serial_init(void)
 {
 	int ret;
 
-	printk(KERN_INFO "Serial: SA11x0 driver $Revision: 1.50 $\n");
+	printk(KERN_INFO "Serial: SA11x0 driver\n");
 
 	sa1100_init_ports();
 
@@ -915,7 +912,7 @@ module_init(sa1100_serial_init);
 module_exit(sa1100_serial_exit);
 
 MODULE_AUTHOR("Deep Blue Solutions Ltd");
-MODULE_DESCRIPTION("SA1100 generic serial port driver $Revision: 1.50 $");
+MODULE_DESCRIPTION("SA1100 generic serial port driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(SERIAL_SA1100_MAJOR);
 MODULE_ALIAS("platform:sa11x0-uart");
diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index f8e1447a022a..a4fb343a08da 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -384,7 +384,7 @@ static void sbd_receive_chars(struct sbd_port *sport)
 		uart_insert_char(uport, status, M_DUART_OVRUN_ERR, ch, flag);
 	}
 
-	tty_flip_buffer_push(uport->info->tty);
+	tty_flip_buffer_push(uport->info->port.tty);
 }
 
 static void sbd_transmit_chars(struct sbd_port *sport)
diff --git a/drivers/serial/sc26xx.c b/drivers/serial/sc26xx.c
index ae2a9e2df777..e0be11ceaa25 100644
--- a/drivers/serial/sc26xx.c
+++ b/drivers/serial/sc26xx.c
@@ -141,7 +141,7 @@ static struct tty_struct *receive_chars(struct uart_port *port)
 	u8 status;
 
 	if (port->info != NULL)		/* Unopened serial console */
-		tty = port->info->tty;
+		tty = port->info->port.tty;
 
 	while (limit-- > 0) {
 		status = READ_SC_PORT(port, SR);
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 42d2e108b679..0bce1fe2c62a 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -50,7 +50,7 @@ static struct lock_class_key port_lock_key;
 
 #define HIGH_BITS_OFFSET	((sizeof(long)-sizeof(int))*8)
 
-#define uart_users(state)	((state)->count + ((state)->info ? (state)->info->blocked_open : 0))
+#define uart_users(state)	((state)->count + ((state)->info ? (state)->info->port.blocked_open : 0))
 
 #ifdef CONFIG_SERIAL_CORE_CONSOLE
 #define uart_console(port)	((port)->cons && (port)->cons->index == (port)->line)
@@ -113,7 +113,7 @@ static void uart_start(struct tty_struct *tty)
 static void uart_tasklet_action(unsigned long data)
 {
 	struct uart_state *state = (struct uart_state *)data;
-	tty_wakeup(state->info->tty);
+	tty_wakeup(state->info->port.tty);
 }
 
 static inline void
@@ -135,7 +135,7 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
 
 /*
  * Startup the port.  This will be called once per open.  All calls
- * will be serialised by the per-port semaphore.
+ * will be serialised by the per-port mutex.
  */
 static int uart_startup(struct uart_state *state, int init_hw)
 {
@@ -152,7 +152,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
 	 * once we have successfully opened the port.  Also set
 	 * up the tty->alt_speed kludge
 	 */
-	set_bit(TTY_IO_ERROR, &info->tty->flags);
+	set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	if (port->type == PORT_UNKNOWN)
 		return 0;
@@ -162,6 +162,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
 	 * buffer.
 	 */
 	if (!info->xmit.buf) {
+		/* This is protected by the per port mutex */
 		page = get_zeroed_page(GFP_KERNEL);
 		if (!page)
 			return -ENOMEM;
@@ -182,20 +183,20 @@ static int uart_startup(struct uart_state *state, int init_hw)
 			 * Setup the RTS and DTR signals once the
 			 * port is open and ready to respond.
 			 */
-			if (info->tty->termios->c_cflag & CBAUD)
+			if (info->port.tty->termios->c_cflag & CBAUD)
 				uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
 		}
 
 		if (info->flags & UIF_CTS_FLOW) {
 			spin_lock_irq(&port->lock);
 			if (!(port->ops->get_mctrl(port) & TIOCM_CTS))
-				info->tty->hw_stopped = 1;
+				info->port.tty->hw_stopped = 1;
 			spin_unlock_irq(&port->lock);
 		}
 
 		info->flags |= UIF_INITIALIZED;
 
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
+		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
 	}
 
 	if (retval && capable(CAP_SYS_ADMIN))
@@ -217,8 +218,8 @@ static void uart_shutdown(struct uart_state *state)
 	/*
 	 * Set the TTY IO error marker
 	 */
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
+	if (info->port.tty)
+		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
 	if (info->flags & UIF_INITIALIZED) {
 		info->flags &= ~UIF_INITIALIZED;
@@ -226,7 +227,7 @@ static void uart_shutdown(struct uart_state *state)
 		/*
 		 * Turn off DTR and RTS early.
 		 */
-		if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
+		if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL))
 			uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 
 		/*
@@ -426,7 +427,7 @@ EXPORT_SYMBOL(uart_get_divisor);
 static void
 uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
 {
-	struct tty_struct *tty = state->info->tty;
+	struct tty_struct *tty = state->info->port.tty;
 	struct uart_port *port = state->port;
 	struct ktermios *termios;
 
@@ -573,6 +574,8 @@ static void uart_flush_buffer(struct tty_struct *tty)
 
 	spin_lock_irqsave(&port->lock, flags);
 	uart_circ_clear(&state->info->xmit);
+	if (port->ops->flush_buffer)
+		port->ops->flush_buffer(port);
 	spin_unlock_irqrestore(&port->lock, flags);
 	tty_wakeup(tty);
 }
@@ -834,8 +837,8 @@ static int uart_set_info(struct uart_state *state,
 	state->closing_wait    = closing_wait;
 	if (new_serial.xmit_fifo_size)
 		port->fifosize = new_serial.xmit_fifo_size;
-	if (state->info->tty)
-		state->info->tty->low_latency =
+	if (state->info->port.tty)
+		state->info->port.tty->low_latency =
 			(port->flags & UPF_LOW_LATENCY) ? 1 : 0;
 
  check_and_exit:
@@ -855,7 +858,7 @@ static int uart_set_info(struct uart_state *state,
 				printk(KERN_NOTICE
 				       "%s sets custom speed on %s. This "
 				       "is deprecated.\n", current->comm,
-				       tty_name(state->info->tty, buf));
+				       tty_name(state->info->port.tty, buf));
 			}
 			uart_change_speed(state, NULL);
 		}
@@ -887,7 +890,7 @@ static int uart_get_lsr_info(struct uart_state *state,
 	 */
 	if (port->x_char ||
 	    ((uart_circ_chars_pending(&state->info->xmit) > 0) &&
-	     !state->info->tty->stopped && !state->info->tty->hw_stopped))
+	     !state->info->port.tty->stopped && !state->info->port.tty->hw_stopped))
 		result &= ~TIOCSER_TEMT;
 
 	return put_user(result, value);
@@ -1237,7 +1240,7 @@ static void uart_set_termios(struct tty_struct *tty,
 	 */
 	if (!(old_termios->c_cflag & CLOCAL) &&
 	    (tty->termios->c_cflag & CLOCAL))
-		wake_up_interruptible(&state->info->open_wait);
+		wake_up_interruptible(&state->info->port.open_wait);
 #endif
 }
 
@@ -1318,9 +1321,9 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
 	tty_ldisc_flush(tty);
 
 	tty->closing = 0;
-	state->info->tty = NULL;
+	state->info->port.tty = NULL;
 
-	if (state->info->blocked_open) {
+	if (state->info->port.blocked_open) {
 		if (state->close_delay)
 			msleep_interruptible(state->close_delay);
 	} else if (!uart_console(port)) {
@@ -1331,7 +1334,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
 	 * Wake up anyone trying to open this port.
 	 */
 	state->info->flags &= ~UIF_NORMAL_ACTIVE;
-	wake_up_interruptible(&state->info->open_wait);
+	wake_up_interruptible(&state->info->port.open_wait);
 
  done:
 	mutex_unlock(&state->mutex);
@@ -1415,8 +1418,8 @@ static void uart_hangup(struct tty_struct *tty)
 		uart_shutdown(state);
 		state->count = 0;
 		state->info->flags &= ~UIF_NORMAL_ACTIVE;
-		state->info->tty = NULL;
-		wake_up_interruptible(&state->info->open_wait);
+		state->info->port.tty = NULL;
+		wake_up_interruptible(&state->info->port.open_wait);
 		wake_up_interruptible(&state->info->delta_msr_wait);
 	}
 	mutex_unlock(&state->mutex);
@@ -1430,7 +1433,7 @@ static void uart_hangup(struct tty_struct *tty)
  */
 static void uart_update_termios(struct uart_state *state)
 {
-	struct tty_struct *tty = state->info->tty;
+	struct tty_struct *tty = state->info->port.tty;
 	struct uart_port *port = state->port;
 
 	if (uart_console(port) && port->cons->cflag) {
@@ -1469,17 +1472,17 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
 	struct uart_port *port = state->port;
 	unsigned int mctrl;
 
-	info->blocked_open++;
+	info->port.blocked_open++;
 	state->count--;
 
-	add_wait_queue(&info->open_wait, &wait);
+	add_wait_queue(&info->port.open_wait, &wait);
 	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
 		/*
 		 * If we have been hung up, tell userspace/restart open.
 		 */
-		if (tty_hung_up_p(filp) || info->tty == NULL)
+		if (tty_hung_up_p(filp) || info->port.tty == NULL)
 			break;
 
 		/*
@@ -1498,8 +1501,8 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
 		 * have set TTY_IO_ERROR for a non-existant port.
 		 */
 		if ((filp->f_flags & O_NONBLOCK) ||
-		    (info->tty->termios->c_cflag & CLOCAL) ||
-		    (info->tty->flags & (1 << TTY_IO_ERROR)))
+		    (info->port.tty->termios->c_cflag & CLOCAL) ||
+		    (info->port.tty->flags & (1 << TTY_IO_ERROR)))
 			break;
 
 		/*
@@ -1507,7 +1510,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
 		 * not set RTS here - we want to make sure we catch
 		 * the data from the modem.
 		 */
-		if (info->tty->termios->c_cflag & CBAUD)
+		if (info->port.tty->termios->c_cflag & CBAUD)
 			uart_set_mctrl(port, TIOCM_DTR);
 
 		/*
@@ -1529,15 +1532,15 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
 			break;
 	}
 	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&info->open_wait, &wait);
+	remove_wait_queue(&info->port.open_wait, &wait);
 
 	state->count++;
-	info->blocked_open--;
+	info->port.blocked_open--;
 
 	if (signal_pending(current))
 		return -ERESTARTSYS;
 
-	if (!info->tty || tty_hung_up_p(filp))
+	if (!info->port.tty || tty_hung_up_p(filp))
 		return -EAGAIN;
 
 	return 0;
@@ -1560,10 +1563,13 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
 		goto err_unlock;
 	}
 
+	/* BKL: RACE HERE - LEAK */
+	/* We should move this into the uart_state structure and kill off
+	   this whole complexity */
 	if (!state->info) {
 		state->info = kzalloc(sizeof(struct uart_info), GFP_KERNEL);
 		if (state->info) {
-			init_waitqueue_head(&state->info->open_wait);
+			init_waitqueue_head(&state->info->port.open_wait);
 			init_waitqueue_head(&state->info->delta_msr_wait);
 
 			/*
@@ -1620,7 +1626,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
 	 * be re-entered while allocating the info structure, or while we
 	 * request any IRQs that the driver may need.  This also has the nice
 	 * side-effect that it delays the action of uart_hangup, so we can
-	 * guarantee that info->tty will always contain something reasonable.
+	 * guarantee that info->port.tty will always contain something reasonable.
 	 */
 	state = uart_get(drv, line);
 	if (IS_ERR(state)) {
@@ -1636,7 +1642,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
 	tty->driver_data = state;
 	tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0;
 	tty->alt_speed = 0;
-	state->info->tty = tty;
+	state->info->port.tty = tty;
 
 	/*
 	 * If the port is in the middle of closing, bail out now.
@@ -2099,8 +2105,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
 		/*
 		 * If that's unset, use the tty termios setting.
 		 */
-		if (state->info && state->info->tty && termios.c_cflag == 0)
-			termios = *state->info->tty->termios;
+		if (state->info && state->info->port.tty && termios.c_cflag == 0)
+			termios = *state->info->port.tty->termios;
 
 		uart_change_pm(state, 0);
 		port->ops->set_termios(port, &termios, NULL);
@@ -2519,8 +2525,8 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
 	tty_unregister_device(drv->tty_driver, port->line);
 
 	info = state->info;
-	if (info && info->tty)
-		tty_vhangup(info->tty);
+	if (info && info->port.tty)
+		tty_vhangup(info->port.tty);
 
 	/*
 	 * All users of this port should now be disconnected from
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 8721afe1ae4f..0edbc5dd378b 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -108,7 +108,7 @@ static void ks8695uart_disable_ms(struct uart_port *port)
 static irqreturn_t ks8695uart_rx_chars(int irq, void *dev_id)
 {
 	struct uart_port *port = dev_id;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned int status, ch, lsr, flg, max_count = 256;
 
 	status = UART_GET_LSR(port);		/* clears pending LSR interrupts */
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index eb18d429752d..cb49a5ac022f 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -137,7 +137,7 @@ static void lh7a40xuart_enable_ms (struct uart_port* port)
 
 static void lh7a40xuart_rx_chars (struct uart_port* port)
 {
-	struct tty_struct* tty = port->info->tty;
+	struct tty_struct* tty = port->info->port.tty;
 	int cbRxMax = 256;	/* (Gross) limit on receive */
 	unsigned int data;	/* Received data and status */
 	unsigned int flag;
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index ce6ee92b3a1b..208e42ba9455 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -521,7 +521,7 @@ static void sci_transmit_chars(struct uart_port *port)
 static inline void sci_receive_chars(struct uart_port *port)
 {
 	struct sci_port *sci_port = (struct sci_port *)port;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	int i, count, copied = 0;
 	unsigned short status;
 	unsigned char flag;
@@ -642,7 +642,7 @@ static inline int sci_handle_errors(struct uart_port *port)
 {
 	int copied = 0;
 	unsigned short status = sci_in(port, SCxSR);
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 
 	if (status & SCxSR_ORER(port)) {
 		/* overrun error */
@@ -692,7 +692,7 @@ static inline int sci_handle_breaks(struct uart_port *port)
 {
 	int copied = 0;
 	unsigned short status = sci_in(port, SCxSR);
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	struct sci_port *s = &sci_ports[port->line];
 
 	if (uart_handle_break(port))
@@ -762,7 +762,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
 	} else {
 #if defined(SCIF_ORER)
 		if((sci_in(port, SCLSR) & SCIF_ORER) != 0) {
-			struct tty_struct *tty = port->info->tty;
+			struct tty_struct *tty = port->info->port.tty;
 
 			sci_out(port, SCLSR, 0);
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 019da2e05f0b..b73e3c0056cd 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -471,7 +471,7 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
 
 	if (port->sc_port.info) {
 		/* The serial_core stuffs are initilized, use them */
-		tty = port->sc_port.info->tty;
+		tty = port->sc_port.info->port.tty;
 	}
 	else {
 		/* Not registered yet - can't pass to tty layer.  */
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index 2847336742d7..aeeec5588afd 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -185,7 +185,7 @@ static struct tty_struct *receive_chars(struct uart_port *port)
 	struct tty_struct *tty = NULL;
 
 	if (port->info != NULL)		/* Unopened serial console */
-		tty = port->info->tty;
+		tty = port->info->port.tty;
 
 	if (sunhv_ops->receive_chars(port, tty))
 		sun_do_break();
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 9ff5b38f3bee..15ee497e1c78 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -118,7 +118,7 @@ receive_chars(struct uart_sunsab_port *up,
 	int i;
 
 	if (up->port.info != NULL)		/* Unopened serial console */
-		tty = up->port.info->tty;
+		tty = up->port.info->port.tty;
 
 	/* Read number of BYTES (Character + Status) available. */
 	if (stat->sreg.isr0 & SAB82532_ISR0_RPF) {
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 03806a935209..e24e68235088 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1,4 +1,4 @@
-/* $Id: su.c,v 1.55 2002/01/08 16:00:16 davem Exp $
+/*
  * su.c: Small serial driver for keyboard/mouse interface on sparc32/PCI
  *
  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
@@ -311,7 +311,7 @@ static void sunsu_enable_ms(struct uart_port *port)
 static struct tty_struct *
 receive_chars(struct uart_sunsu_port *up, unsigned char *status)
 {
-	struct tty_struct *tty = up->port.info->tty;
+	struct tty_struct *tty = up->port.info->port.tty;
 	unsigned char ch, flag;
 	int max_count = 256;
 	int saw_console_brk = 0;
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 7e9fa5ef0eb7..0f3d69b86d67 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -329,8 +329,8 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up,
 
 	tty = NULL;
 	if (up->port.info != NULL &&		/* Unopened serial console */
-	    up->port.info->tty != NULL)		/* Keyboard || mouse */
-		tty = up->port.info->tty;
+	    up->port.info->port.tty != NULL)	/* Keyboard || mouse */
+		tty = up->port.info->port.tty;
 
 	for (;;) {
 
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index b51c24245be4..6a3f8fb0c9dd 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -75,7 +75,7 @@ static struct uart_port ulite_ports[ULITE_NR_UARTS];
 
 static int ulite_receive(struct uart_port *port, int stat)
 {
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned char ch = 0;
 	char flag = TTY_NORMAL;
 
@@ -162,7 +162,7 @@ static irqreturn_t ulite_isr(int irq, void *dev_id)
 		busy |= ulite_transmit(port, stat);
 	} while (busy);
 
-	tty_flip_buffer_push(port->info->tty);
+	tty_flip_buffer_push(port->info->port.tty);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 566a8b42e05a..5c5d18dcb6ac 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -466,7 +466,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port)
 	int i;
 	unsigned char ch, *cp;
 	struct uart_port *port = &qe_port->port;
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	struct qe_bd *bdp;
 	u16 status;
 	unsigned int flg;
diff --git a/drivers/serial/v850e_uart.c b/drivers/serial/v850e_uart.c
index dd98aca6ed08..5acf061b6cd2 100644
--- a/drivers/serial/v850e_uart.c
+++ b/drivers/serial/v850e_uart.c
@@ -300,8 +300,8 @@ static irqreturn_t v850e_uart_rx_irq(int irq, void *data)
 
 	port->icount.rx++;
 
-	tty_insert_flip_char (port->info->tty, ch, ch_stat);
-	tty_schedule_flip (port->info->tty);
+	tty_insert_flip_char (port->info->port.tty, ch, ch_stat);
+	tty_schedule_flip (port->info->port.tty);
 
 	return IRQ_HANDLED;
 }
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index bb6ce6bba32f..0573f3b5175e 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -318,7 +318,7 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status)
 	char flag;
 	int max_count = RX_MAX_COUNT;
 
-	tty = port->info->tty;
+	tty = port->info->port.tty;
 	lsr = *status;
 
 	do {
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c
index 65f1294fd27b..bd45b6230fd8 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -602,7 +602,7 @@ static void zs_receive_chars(struct zs_port *zport)
 		uart_insert_char(uport, status, Rx_OVR, ch, flag);
 	}
 
-	tty_flip_buffer_push(uport->info->tty);
+	tty_flip_buffer_push(uport->info->port.tty);
 }
 
 static void zs_raw_transmit_chars(struct zs_port *zport)