Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk

67 files changed, 807 insertions, 1784 deletions

diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 0276471cb25..f31c6698419 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>
@@ -21,7 +19,7 @@
 #include <asm/irq.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/dec21285.h>
-#include <asm/hardware.h>
+#include <mach/hardware.h>
 
 #define BAUD_BASE		(mem_fclk_21285/64)
 
@@ -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 bbf5bc5892c..381b12ac20e 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 d9d4e9552a4..24661cd5e4f 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 be95e55b228..342e12fb1c2 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.
@@ -1289,13 +1287,24 @@ 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;
 
 	do {
-		ch = serial_inp(up, UART_RX);
+		if (likely(lsr & UART_LSR_DR))
+			ch = serial_inp(up, UART_RX);
+		else
+			/*
+			 * Intel 82571 has a Serial Over Lan device that will
+			 * set UART_LSR_BI without setting UART_LSR_DR when
+			 * it receives a break. To avoid reading from the
+			 * receive buffer without UART_LSR_DR bit set, we
+			 * just force the read character to be 0
+			 */
+			ch = 0;
+
 		flag = TTY_NORMAL;
 		up->port.icount.rx++;
 
@@ -1344,7 +1353,7 @@ receive_chars(struct uart_8250_port *up, unsigned int *status)
 
 ignore_char:
 		lsr = serial_inp(up, UART_LSR);
-	} while ((lsr & UART_LSR_DR) && (max_count-- > 0));
+	} while ((lsr & (UART_LSR_DR | UART_LSR_BI)) && (max_count-- > 0));
 	spin_unlock(&up->port.lock);
 	tty_flip_buffer_push(tty);
 	spin_lock(&up->port.lock);
@@ -1427,7 +1436,7 @@ serial8250_handle_port(struct uart_8250_port *up)
 
 	DEBUG_INTR("status = %x...", status);
 
-	if (status & UART_LSR_DR)
+	if (status & (UART_LSR_DR | UART_LSR_BI))
 		receive_chars(up, &status);
 	check_modem_status(up);
 	if (status & UART_LSR_THRE)
@@ -1877,6 +1886,8 @@ static int serial8250_startup(struct uart_port *port)
 		 * allow register changes to become visible.
 		 */
 		spin_lock_irqsave(&up->port.lock, flags);
+		if (up->port.flags & UPF_SHARE_IRQ)
+			disable_irq_nosync(up->port.irq);
 
 		wait_for_xmitr(up, UART_LSR_THRE);
 		serial_out_sync(up, UART_IER, UART_IER_THRI);
@@ -1888,6 +1899,8 @@ static int serial8250_startup(struct uart_port *port)
 		iir = serial_in(up, UART_IIR);
 		serial_out(up, UART_IER, 0);
 
+		if (up->port.flags & UPF_SHARE_IRQ)
+			enable_irq(up->port.irq);
 		spin_unlock_irqrestore(&up->port.lock, flags);
 
 		/*
@@ -2934,7 +2947,7 @@ 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 +3008,7 @@ 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 91bd28f2bb4..78c00162b04 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_gsc.c b/drivers/serial/8250_gsc.c
index 4eb7437a404..0416ad3bc12 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -119,3 +119,5 @@ int __init probe_serial_gsc(void)
 }
 
 module_init(probe_serial_gsc);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 788c3559522..c2f23933155 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>
@@ -769,6 +767,9 @@ pci_default_setup(struct serial_private *priv, struct pciserial_board *board,
 #define PCI_SUBDEVICE_ID_POCTAL232	0x0308
 #define PCI_SUBDEVICE_ID_POCTAL422	0x0408
 
+/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
+#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584	0x1584
+
 /*
  * Master list of serial port init/setup/exit quirks.
  * This does not describe the general nature of the port.
@@ -884,6 +885,15 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 	},
 	{
 		.vendor		= PCI_VENDOR_ID_PLX,
+		.device		= PCI_DEVICE_ID_PLX_9050,
+		.subvendor	= PCI_VENDOR_ID_PLX,
+		.subdevice	= PCI_SUBDEVICE_ID_UNKNOWN_0x1584,
+		.init		= pci_plx9050_init,
+		.setup		= pci_default_setup,
+		.exit		= __devexit_p(pci_plx9050_exit),
+	},
+	{
+		.vendor		= PCI_VENDOR_ID_PLX,
 		.device		= PCI_DEVICE_ID_PLX_ROMULUS,
 		.subvendor	= PCI_VENDOR_ID_PLX,
 		.subdevice	= PCI_DEVICE_ID_PLX_ROMULUS,
@@ -2199,6 +2209,11 @@ static struct pci_device_id serial_pci_tbl[] = {
 	{	PCI_VENDOR_ID_P