tty: move a number of tty drivers from drivers/char/ to drivers/tty/

As planned by Arnd Bergmann, this moves the following drivers from
drivers/char/ to drivers/tty/ as that's where they really belong:
	amiserial
	nozomi
	synclink
	rocket
	cyclades
	moxa
	mxser
	isicom
	bfin_jtag_comm

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

17 files changed, 0 insertions, 39363 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 9b9ab867f50..1adfac6a7b0 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -15,36 +15,6 @@ config DEVKMEM
 	  kind of kernel debugging operations.
 	  When in doubt, say "N".
 
-config BFIN_JTAG_COMM
-	tristate "Blackfin JTAG Communication"
-	depends on BLACKFIN
-	help
-	  Add support for emulating a TTY device over the Blackfin JTAG.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called bfin_jtag_comm.
-
-config BFIN_JTAG_COMM_CONSOLE
-	bool "Console on Blackfin JTAG"
-	depends on BFIN_JTAG_COMM=y
-
-config SERIAL_NONSTANDARD
-	bool "Non-standard serial port support"
-	depends on HAS_IOMEM
-	---help---
-	  Say Y here if you have any non-standard serial boards -- boards
-	  which aren't supported using the standard "dumb" serial driver.
-	  This includes intelligent serial boards such as Cyclades,
-	  Digiboards, etc. These are usually used for systems that need many
-	  serial ports because they serve many terminals or dial-in
-	  connections.
-
-	  Note that the answer to this question won't directly affect the
-	  kernel: saying N will just cause the configurator to skip all
-	  the questions about non-standard serial boards.
-
-	  Most people can say N here.
-
 config COMPUTONE
 	tristate "Computone IntelliPort Plus serial support"
 	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
@@ -60,50 +30,6 @@ config COMPUTONE
 	  To compile this driver as module, choose M here: the
 	  module will be called ip2.
 
-config ROCKETPORT
-	tristate "Comtrol RocketPort support"
-	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
-	help
-	  This driver supports Comtrol RocketPort and RocketModem PCI boards.   
-          These boards provide 2, 4, 8, 16, or 32 high-speed serial ports or
-          modems.  For information about the RocketPort/RocketModem  boards
-          and this driver read <file:Documentation/serial/rocket.txt>.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called rocket.
-
-	  If you want to compile this driver into the kernel, say Y here.  If
-          you don't have a Comtrol RocketPort/RocketModem card installed, say N.
-
-config CYCLADES
-	tristate "Cyclades async mux support"
-	depends on SERIAL_NONSTANDARD && (PCI || ISA)
-	select FW_LOADER
-	---help---
-	  This driver supports Cyclades Z and Y multiserial boards.
-	  You would need something like this to connect more than two modems to
-	  your Linux box, for instance in order to become a dial-in server.
-
-	  For information about the Cyclades-Z card, read
-	  <file:Documentation/serial/README.cycladesZ>.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called cyclades.
-
-	  If you haven't heard about it, it's safe to say N.
-
-config CYZ_INTR
-	bool "Cyclades-Z interrupt mode operation (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && CYCLADES
-	help
-	  The Cyclades-Z family of multiport cards allows 2 (two) driver op
-	  modes: polling and interrupt. In polling mode, the driver will check
-	  the status of the Cyclades-Z ports every certain amount of time
-	  (which is called polling cycle and is configurable). In interrupt
-	  mode, it will use an interrupt line (IRQ) in order to check the
-	  status of the Cyclades-Z ports. The default op mode is polling. If
-	  unsure, say N.
-
 config DIGIEPCA
 	tristate "Digiboard Intelligent Async Support"
 	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
@@ -119,94 +45,6 @@ config DIGIEPCA
 	  To compile this driver as a module, choose M here: the
 	  module will be called epca.
 
-config MOXA_INTELLIO
-	tristate "Moxa Intellio support"
-	depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI)
-	select FW_LOADER
-	help
-	  Say Y here if you have a Moxa Intellio multiport serial card.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called moxa.
-
-config MOXA_SMARTIO
-	tristate "Moxa SmartIO support v. 2.0"
-	depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA)
-	help
-	  Say Y here if you have a Moxa SmartIO multiport serial card and/or
-	  want to help develop a new version of this driver.
-
-	  This is upgraded (1.9.1) driver from original Moxa drivers with
-	  changes finally resulting in PCI probing.
-
-	  This driver can also be built as a module. The module will be called
-	  mxser. If you want to do that, say M here.
-
-config ISI
-	tristate "Multi-Tech multiport card support (EXPERIMENTAL)"
-	depends on SERIAL_NONSTANDARD && PCI
-	select FW_LOADER
-	help
-	  This is a driver for the Multi-Tech cards which provide several
-	  serial ports.  The driver is experimental and can currently only be
-	  built as a module. The module will be called isicom.
-	  If you want to do that, choose M here.
-
-config SYNCLINK
-	tristate "Microgate SyncLink card support"
-	depends on SERIAL_NONSTANDARD && PCI && ISA_DMA_API
-	help
-	  Provides support for the SyncLink ISA and PCI multiprotocol serial
-	  adapters. These adapters support asynchronous and HDLC bit
-	  synchronous communication up to 10Mbps (PCI adapter).
-
-	  This driver can only be built as a module ( = code which can be
-	  inserted in and removed from the running kernel whenever you want).
-	  The module will be called synclink.  If you want to do that, say M
-	  here.
-
-config SYNCLINKMP
-	tristate "SyncLink Multiport support"
-	depends on SERIAL_NONSTANDARD && PCI
-	help
-	  Enable support for the SyncLink Multiport (2 or 4 ports)
-	  serial adapter, running asynchronous and HDLC communications up
-	  to 2.048Mbps. Each ports is independently selectable for
-	  RS-232, V.35, RS-449, RS-530, and X.21
-
-	  This driver may be built as a module ( = code which can be
-	  inserted in and removed from the running kernel whenever you want).
-	  The module will be called synclinkmp.  If you want to do that, say M
-	  here.
-
-config SYNCLINK_GT
-	tristate "SyncLink GT/AC support"
-	depends on SERIAL_NONSTANDARD && PCI
-	help
-	  Support for SyncLink GT and SyncLink AC families of
-	  synchronous and asynchronous serial adapters
-	  manufactured by Microgate Systems, Ltd. (www.microgate.com)
-
-config N_HDLC
-	tristate "HDLC line discipline support"
-	depends on SERIAL_NONSTANDARD
-	help
-	  Allows synchronous HDLC communications with tty device drivers that
-	  support synchronous HDLC such as the Microgate SyncLink adapter.
-
-	  This driver can be built as a module ( = code which can be
-	  inserted in and removed from the running kernel whenever you want).
-	  The module will be called n_hdlc. If you want to do that, say M
-	  here.
-
-config N_GSM
-	tristate "GSM MUX line discipline support (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
-	depends on NET
-	help
-	  This line discipline provides support for the GSM MUX protocol and
-	  presents the mux as a set of 61 individual tty devices.
-
 config RISCOM8
 	tristate "SDL RISCom/8 card support"
 	depends on SERIAL_NONSTANDARD
@@ -296,16 +134,6 @@ config ISTALLION
 	  To compile this driver as a module, choose M here: the
 	  module will be called istallion.
 
-config NOZOMI
-	tristate "HSDPA Broadband Wireless Data Card - Globe Trotter"
-	depends on PCI && EXPERIMENTAL
-	help
-	  If you have a HSDPA driver Broadband Wireless Data Card -
-	  Globe Trotter PCMCIA card, say Y here.
-
-	  To compile this driver as a module, choose M here, the module
-	  will be called nozomi.
-
 config A2232
 	tristate "Commodore A2232 serial support (EXPERIMENTAL)"
 	depends on EXPERIMENTAL && ZORRO && BROKEN
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 5bc765d4c3c..f5dc7c9bce6 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -5,29 +5,18 @@
 obj-y				+= mem.o random.o
 obj-$(CONFIG_TTY_PRINTK)	+= ttyprintk.o
 obj-y				+= misc.o
-obj-$(CONFIG_BFIN_JTAG_COMM)	+= bfin_jtag_comm.o
 obj-$(CONFIG_MVME147_SCC)	+= generic_serial.o vme_scc.o
 obj-$(CONFIG_MVME162_SCC)	+= generic_serial.o vme_scc.o
 obj-$(CONFIG_BVME6000_SCC)	+= generic_serial.o vme_scc.o
-obj-$(CONFIG_ROCKETPORT)	+= rocket.o
 obj-$(CONFIG_SERIAL167)		+= serial167.o
-obj-$(CONFIG_CYCLADES)		+= cyclades.o
 obj-$(CONFIG_STALLION)		+= stallion.o
 obj-$(CONFIG_ISTALLION)		+= istallion.o
-obj-$(CONFIG_NOZOMI)		+= nozomi.o
 obj-$(CONFIG_DIGIEPCA)		+= epca.o
 obj-$(CONFIG_SPECIALIX)		+= specialix.o
-obj-$(CONFIG_MOXA_INTELLIO)	+= moxa.o
 obj-$(CONFIG_A2232)		+= ser_a2232.o generic_serial.o
 obj-$(CONFIG_ATARI_DSP56K)	+= dsp56k.o
-obj-$(CONFIG_MOXA_SMARTIO)	+= mxser.o
 obj-$(CONFIG_COMPUTONE)		+= ip2/
 obj-$(CONFIG_RISCOM8)		+= riscom8.o
-obj-$(CONFIG_ISI)		+= isicom.o
-obj-$(CONFIG_SYNCLINK)		+= synclink.o
-obj-$(CONFIG_SYNCLINKMP)	+= synclinkmp.o
-obj-$(CONFIG_SYNCLINK_GT)	+= synclink_gt.o
-obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)		+= sx.o generic_serial.o
 obj-$(CONFIG_RIO)		+= rio/ generic_serial.o
 obj-$(CONFIG_RAW_DRIVER)	+= raw.o
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
deleted file mode 100644
index f214e502247..00000000000
--- a/drivers/char/amiserial.c
+++ /dev/null
@@ -1,2178 +0,0 @@
-/*
- *  linux/drivers/char/amiserial.c
- *
- * Serial driver for the amiga builtin port.
- *
- * This code was created by taking serial.c version 4.30 from kernel
- * release 2.3.22, replacing all hardware related stuff with the
- * corresponding amiga hardware actions, and removing all irrelevant
- * code. As a consequence, it uses many of the constants and names
- * associated with the registers and bits of 16550 compatible UARTS -
- * but only to keep track of status, etc in the state variables. It
- * was done this was to make it easier to keep the code in line with
- * (non hardware specific) changes to serial.c.
- *
- * The port is registered with the tty driver as minor device 64, and
- * therefore other ports should should only use 65 upwards.
- *
- * Richard Lucock 28/12/99
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- *  Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 
- * 		1998, 1999  Theodore Ts'o
- *
- */
-
-/*
- * Serial driver configuration section.  Here are the various options:
- *
- * SERIAL_PARANOIA_CHECK
- * 		Check the magic number for the async_structure where
- * 		ever possible.
- */
-
-#include <linux/delay.h>
-
-#undef SERIAL_PARANOIA_CHECK
-#define SERIAL_DO_RESTART
-
-/* Set of debugging defines */
-
-#undef SERIAL_DEBUG_INTR
-#undef SERIAL_DEBUG_OPEN
-#undef SERIAL_DEBUG_FLOW
-#undef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
-
-/* Sanity checks */
-
-#if defined(MODULE) && defined(SERIAL_DEBUG_MCOUNT)
-#define DBG_CNT(s) printk("(%s): [%x] refc=%d, serc=%d, ttyc=%d -> %s\n", \
- tty->name, (info->flags), serial_driver->refcount,info->count,tty->count,s)
-#else
-#define DBG_CNT(s)
-#endif
-
-/*
- * End of serial driver configuration section.
- */
-
-#include <linux/module.h>
-
-#include <linux/types.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>
-#include <linux/serial_reg.h>
-static char *serial_version = "4.30";
-
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/console.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/bitops.h>
-#include <linux/platform_device.h>
-
-#include <asm/setup.h>
-
-#include <asm/system.h>
-
-#include <asm/irq.h>
-
-#include <asm/amigahw.h>
-#include <asm/amigaints.h>
-
-#define custom amiga_custom
-static char *serial_name = "Amiga-builtin serial driver";
-
-static struct tty_driver *serial_driver;
-
-/* number of characters left in xmit buffer before we ask for more */
-#define WAKEUP_CHARS 256
-
-static struct async_struct *IRQ_ports;
-
-static unsigned char current_ctl_bits;
-
-static void change_speed(struct async_struct *info, struct ktermios *old);
-static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
-
-
-static struct serial_state rs_table[1];
-
-#define NR_PORTS ARRAY_SIZE(rs_table)
-
-#include <asm/uaccess.h>
-
-#define serial_isroot()	(capable(CAP_SYS_ADMIN))
-
-
-static inline int serial_paranoia_check(struct async_struct *info,
-					char *name, const char *routine)
-{
-#ifdef SERIAL_PARANOIA_CHECK
-	static const char *badmagic =
-		"Warning: bad magic number for serial struct (%s) in %s\n";
-	static const char *badinfo =
-		"Warning: null async_struct for (%s) in %s\n";
-
-	if (!info) {
-		printk(badinfo, name, routine);
-		return 1;
-	}
-	if (info->magic != SERIAL_MAGIC) {
-		printk(badmagic, name, routine);
-		return 1;
-	}
-#endif
-	return 0;
-}
-
-/* some serial hardware definitions */
-#define SDR_OVRUN   (1<<15)
-#define SDR_RBF     (1<<14)
-#define SDR_TBE     (1<<13)
-#define SDR_TSRE    (1<<12)
-
-#define SERPER_PARENB    (1<<15)
-
-#define AC_SETCLR   (1<<15)
-#define AC_UARTBRK  (1<<11)
-
-#define SER_DTR     (1<<7)
-#define SER_RTS     (1<<6)
-#define SER_DCD     (1<<5)
-#define SER_CTS     (1<<4)
-#define SER_DSR     (1<<3)
-
-static __inline__ void rtsdtr_ctrl(int bits)
-{
-    ciab.pra = ((bits & (SER_RTS | SER_DTR)) ^ (SER_RTS | SER_DTR)) | (ciab.pra & ~(SER_RTS | SER_DTR));
-}
-
-/*
- * ------------------------------------------------------------
- * rs_stop() and rs_start()
- *
- * This routines are called before setting or resetting tty->stopped.
- * They enable or disable transmitter interrupts, as necessary.
- * ------------------------------------------------------------
- */
-static void rs_stop(struct tty_struct *tty)
-{
-	struct async_struct *info = tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->name, "rs_stop"))
-		return;
-
-	local_irq_save(flags);
-	if (info->IER & UART_IER_THRI) {
-		info->IER &= ~UART_IER_THRI;
-		/* disable Tx interrupt and remove any pending interrupts */
-		custom.intena = IF_TBE;
-		mb();
-		custom.intreq = IF_TBE;
-		mb();
-	}
-	local_irq_restore(flags);
-}
-
-static void rs_start(struct tty_struct *tty)
-{
-	struct async_struct *info = tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->name, "rs_start"))
-		return;
-
-	local_irq_save(flags);
-	if (info->xmit.head != info->xmit.tail
-	    && info->xmit.buf
-	    && !(info->IER & UART_IER_THRI)) {
-		info->IER |= UART_IER_THRI;
-		custom.intena = IF_SETCLR | IF_TBE;
-		mb();
-		/* set a pending Tx Interrupt, transmitter should restart now */
-		custom.intreq = IF_SETCLR | IF_TBE;
-		mb();
-	}
-	local_irq_restore(flags);
-}
-
-/*
- * ----------------------------------------------------------------------
- *
- * Here starts the interrupt handling routines.  All of the following
- * subroutines are declared as inline and are folded into
- * rs_interrupt().  They were separated out for readability's sake.
- *
- * Note: rs_interrupt() is a "fast" interrupt, which means that it
- * runs with interrupts turned off.  People who may want to modify
- * rs_interrupt() should try to keep the interrupt handler as fast as
- * possible.  After you are done making modifications, it is not a bad
- * idea to do:
- * 
- * gcc -S -DKERNEL -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer serial.c
- *
- * and look at the resulting assemble code in serial.s.
- *
- * 				- Ted Ts'o (tytso@mit.edu), 7-Mar-93
- * -----------------------------------------------------------------------
- */
-
-/*
- * This routine is used by the interrupt handler to schedule
- * processing in the software interrupt portion of the driver.
- */
-static void rs_sched_event(struct async_struct *info,
-			   int event)
-{
-	info->event |= 1 << event;
-	tasklet_schedule(&info->tlet);
-}
-
-static void receive_chars(struct async_struct *info)
-{
-        int status;
-	int serdatr;
-	struct tty_struct *tty = info->tty;
-	unsigned char ch, flag;
-	struct	async_icount *icount;
-	int oe = 0;
-
-	icount = &info->state->icount;
-
-	status = UART_LSR_DR; /* We obviously have a character! */
-	serdatr = custom.serdatr;
-	mb();
-	custom.intreq = IF_RBF;
-	mb();
-
-	if((serdatr & 0x1ff) == 0)
-	    status |= UART_LSR_BI;
-	if(serdatr & SDR_OVRUN)
-	    status |= UART_LSR_OE;
-
-	ch = serdatr & 0xff;
-	icount->rx++;
-
-#ifdef SERIAL_DEBUG_INTR
-	printk("DR%02x:%02x...", ch, status);
-#endif
-	flag = TTY_NORMAL;
-
-	/*
-	 * We don't handle parity or frame errors - but I have left
-	 * the code in, since I'm not sure that the errors can't be
-	 * detected.
-	 */
-
-	if (status & (UART_LSR_BI | UART_LSR_PE |
-		      UART_LSR_FE | UART_LSR_OE)) {
-	  /*
-	   * For statistics only
-	   */
-	  if (status & UART_LSR_BI) {
-	    status &= ~(UART_LSR_FE | UART_LSR_PE);
-	    icount->brk++;
-	  } else if (status & UART_LSR_PE)
-	    icount->parity++;
-	  else if (status & UART_LSR_FE)
-	    icount->frame++;
-	  if (status & UART_LSR_OE)
-	    icount->overrun++;
-
-	  /*
-	   * Now check to see if character should be
-	   * ignored, and mask off conditions which
-	   * should be ignored.
-	   */
-	  if (status & info->ignore_status_mask)
-	    goto out;
-
-	  status &= info->read_status_mask;
-
-	  if (status & (UART_LSR_BI)) {
-#ifdef SERIAL_DEBUG_INTR
-	    printk("handling break....");
-#endif
-	    flag = TTY_BREAK;
-	    if (info->flags & ASYNC_SAK)
-	      do_SAK(tty);
-	  } else if (status & UART_LSR_PE)
-	    flag = TTY_PARITY;
-	  else if (status & UART_LSR_FE)
-	    flag = TTY_FRAME;
-	  if (status & UART_LSR_OE) {
-	    /*
-	     * Overrun is special, since it's
-	     * reported immediately, and doesn't
-	     * affect the current character
-	     */
-	     oe = 1;
-	  }
-	}
-	tty_insert_flip_char(tty, ch, flag);
-	if (oe == 1)
-		tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-	tty_flip_buffer_push(tty);
-out:
-	return;
-}
-
-static void transmit_chars(struct async_struct *info)
-{
-	custom.intreq = IF_TBE;
-	mb();
-	if (info->x_char) {
-	        custom.serdat = info->x_char | 0x100;
-		mb();
-		info->state->icount.tx++;
-		info->x_char = 0;
-		return;
-	}
-	if (info->xmit.head == info->xmit.tail
-	    || info->tty->stopped
-	    || info->tty->hw_stopped) {
-		info->IER &= ~UART_IER_THRI;
-	        custom.intena = IF_TBE;
-		mb();
-		return;
-	}
-
-	custom.serdat = info->xmit.buf[info->xmit.tail++] | 0x100;
-	mb();
-	info->xmit.tail = info->xmit.tail & (SERIAL_XMIT_SIZE-1);
-	info->state->icount.tx++;
-
-	if (CIRC_CNT(info->xmit.head,
-		     info->xmit.tail,
-		     SERIAL_XMIT_SIZE) < WAKEUP_CHARS)
-		rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
-
-#ifdef SERIAL_DEBUG_INTR
-	printk("THRE...");
-#endif
-	if (info->xmit.head == info->xmit.tail) {
-	        custom.intena = IF_TBE;
-		mb();
-		info->IER &= ~UART_IER_THRI;
-	}
-}
-
-static void check_modem_status(struct async_struct *info)
-{
-	unsigned char status = ciab.pra & (SER_DCD | SER_CTS | SER_DSR);
-	unsigned char dstatus;
-	struct	async_icount *icount;
-
-	/* Determine bits that have changed */
-	dstatus = status ^ current_ctl_bits;
-	current_ctl_bits = status;
-
-	if (dstatus) {
-		icount = &info->state->icount;
-		/* update input line counters */
-		if (dstatus & SER_DSR)
-			icount->dsr++;
-		if (dstatus & SER_DCD) {
-			icount->dcd++;
-#ifdef CONFIG_HARD_PPS
-			if ((info->flags & ASYNC_HARDPPS_CD) &&
-			    !(status & SER_DCD))
-				hardpps();
-#endif
-		}
-		if (dstatus & SER_CTS)
-			icount->cts++;
-		wake_up_interruptible(&info->delta_msr_wait);
-	}
-
-	if ((info->flags & ASYNC_CHECK_CD) && (dstatus & SER_DCD)) {
-#if (defined(SERIAL_DEBUG_OPEN) || defined(SERIAL_DEBUG_INTR))
-		printk("ttyS%d CD now %s...", info->line,
-		       (!(status & SER_DCD)) ? "on" : "off");
-#endif
-		if (!(status & SER_DCD))
-			wake_up_interruptible(&info->open_wait);
-		else {
-#ifdef SERIAL_DEBUG_OPEN
-			printk("doing serial hangup...");
-#endif
-			if (info->tty)
-				tty_hangup(info->tty);
-		}
-	}
-	if (info->flags & ASYNC_CTS_FLOW) {
-		if (info->tty->hw_stopped) {
-			if (!(status & SER_CTS)) {
-#if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
-				printk("CTS tx start...");
-#endif
-				info->tty->hw_stopped = 0;
-				info->IER |= UART_IER_THRI;
-				custom.intena = IF_SETCLR | IF_TBE;
-				mb();
-				/* set a pending Tx Interrupt, transmitter should restart now */
-				custom.intreq = IF_SETCLR | IF_TBE;
-				mb();
-				rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
-				return;
-			}
-		} else {
-			if ((status & SER_CTS)) {
-#if (defined(SERIAL_DEBUG_INTR) || defined(SERIAL_DEBUG_FLOW))
-				printk("CTS tx stop...");
-#endif
-				info->tty->hw_stopped = 1;
-				info->IER &= ~UART_IER_THRI;
-				/* disable Tx interrupt and remove any pending interrupts */
-				custom.intena = IF_TBE;
-				mb();
-				custom.intreq = IF_TBE;
-				mb();
-			}
-		}
-	}
-}
-
-static irqreturn_t ser_vbl_int( int irq, void *data)
-{
-        /* vbl is just a periodic interrupt we tie into to update modem status */
-	struct async_struct * info = IRQ_ports;
-	/*
-	 * TBD - is it better to unregister from this interrupt or to
-	 * ignore it if MSI is clear ?
-	 */
-	if(info->IER & UART_IER_MSI)
-	  check_modem_status(info);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ser_rx_int(int irq, void *dev_id)
-{
-	struct async_struct * info;
-
-#ifdef SERIAL_DEBUG_INTR
-	printk("ser_rx_int...");
-#endif
-
-	info = IRQ_ports;
-	if (!info || !info->tty)
-		return IRQ_NONE;
-
-	receive_chars(info);
-	info->last_active = jiffies;
-#ifdef SERIAL_DEBUG_INTR
-	printk("end.\n");
-#endif
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t ser_tx_int(int irq, void *dev_id)
-{
-	struct async_struct * info;
-
-	if (custom.serdatr & SDR_TBE) {
-#ifdef SERIAL_DEBUG_INTR
-	  printk("ser_tx_int...");
-#endif
-
-	  info = IRQ_ports;
-	  if (!info || !info->tty)
-		return IRQ_NONE;
-
-	  transmit_chars(info);
-	  info->last_active = jiffies;
-#ifdef SERIAL_DEBUG_INTR
-	  printk("end.\n");
-#endif
-	}
-	return IRQ_HANDLED;
-}
-
-/*
- * -------------------------------------------------------------------
- * Here ends the serial interrupt routines.
- * -------------------------------------------------------------------
- */
-
-/*
- * This routine is used to handle the "bottom half" processing for the
- * serial driver, known also the "software interrupt" processing.
- * This processing is done at the kernel interrupt level, after the
- * rs_interrupt() has returned, BUT WITH INTERRUPTS TURNED ON.  This
- * is where time-consuming activities which can not be done in the
- * interrupt driver proper are done; the interrupt driver schedules
- * them using rs_sched_event(), and they get done here.
- */
-
-static void do_softint(unsigned long private_)
-{
-	struct async_struct	*info = (struct async_struct *) private_;
-	struct tty_struct	*tty;
-
-	tty = info->tty;
-	if (!tty)
-		return;
-
-	if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event))
-		tty_wakeup(tty);
-}
-
-/*
- * ---------------------------------------------------------------
- * Low level utility subroutines for the serial driver:  routines to
- * figure out the appropriate timeout for an interrupt chain, routines
- * to initialize and startup a serial port, and routines to shutdown a
- * serial port.  Useful stuff like that.
- * ---------------------------------------------------------------
- */
-
-static int startup(struct async_struct * info)
-{
-	unsigned long flags;
-	int	retval=0;
-	unsigned long page;
-
-	page = get_zeroed_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
-
-	local_irq_save(flags);
-
-	if (info->flags & ASYNC_INITIALIZED) {
-		free_page(page);
-		goto errout;
-	}
-
-	if (info->xmit.buf)
-		free_page(page);
-	else
-		info->xmit.buf = (unsigned char *) page;
-
-#ifdef SERIAL_DEBUG_OPEN
-	printk("starting up ttys%d ...", info->line);
-#endif
-
-	/* Clear anything in the input buffer */
-
-	custom.intreq = IF_RBF;
-	mb();
-
-	retval = request_irq(IRQ_AMIGA_VERTB, ser_vbl_int, 0, "serial status", info);
-	if (retval) {
-	  if (serial_isroot()) {
-	    if (info->tty)
-	      set_bit(TTY_IO_ERROR,
-		      &info->tty->flags);
-	    retval = 0;
-	  }
-	  goto errout;
-	}
-
-	/* enable both Rx and Tx interrupts */
-	custom.intena = IF_SETCLR | IF_RBF | IF_TBE;
-	mb();
-	info->IER = UART_IER_MSI;
-
-	/* remember current state of the DCD and CTS bits */
-	current_ctl_bits = ciab.pra & (SER_DCD | SER_CTS | SER_DSR);
-
-	IRQ_ports = info;
-
-	info->MCR = 0;
-	if (info->tty->termios->c_cflag & CBAUD)
-	  info->MCR = SER_DTR | SER_RTS;
-	rtsdtr_ctrl(info->MCR);
-
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
-	info->xmit.head = info->xmit.tail = 0;
-
-	/*
-	 * Set up the tty->alt_speed kludge
-	 */
-	if (info->tty) {
-		if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
-			info->tty->alt_speed = 57600;
-		if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
-			info->tty->alt_speed = 115200;
-		if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
-			info->tty->alt_speed = 230400;
-		if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
-			info->tty->alt_speed = 460800;
-	}
-
-	/*
-	 * and set the speed of the serial port
-	 */
-	change_speed(info, NULL);
-
-	info->flags |= ASYNC_INITIALIZED;
-	local_irq_restore(flags);
-	return 0;
-
-errout:
-	local_irq_restore(flags);
-	return retval;
-}
-
-/*
- * This routine will shutdown a serial port; interrupts are disabled, and
- * DTR is dropped if the hangup on close termio flag is on.
- */
-static void shutdown(struct async_struct * info)
-{
-	unsigned long	flags;
-	struct serial_state *state;
-
-	if (!(info->flags & ASYNC_INITIALIZED))
-		return;
-
-	state = info->state;
-
-#ifdef SERIAL_DEBUG_OPEN
-	printk("Shutting down serial port %d ....\n", info->line);
-#endif
-
-	local_irq_save(flags); /* Disable interrupts */
-
-	/*
-	 * clear delta_msr_wait queue to avoid mem leaks: we may free the irq
-	 * here so the queue might never be waken up
-	 */
-	wake_up_interruptible(&info->delta_msr_wait);
-
-	IRQ_ports = NULL;
-
-	/*
-	 * Free the IRQ, if necessary
-	 */
-	free_irq(IRQ_AMIGA_VERTB, info);
-
-	if (info->xmit.buf) {
-		free_page((unsigned long) info->xmit.buf);
-		info->xmit.buf = NULL;
-	}
-
-	info->IER = 0;
-	custom.intena = IF_RBF | IF_TBE;
-	mb();
-
-	/* disable break condition */
-	custom.adkcon = AC_UARTBRK;
-	mb();
-
-	if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
-		info->MCR &= ~(SER_DTR|SER_RTS);
-	rtsdtr_ctrl(info->MCR);
-
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-
-	info->flags &= ~ASYNC_INITIALIZED;
-	local_irq_restore(flags);
-}
-
-
-/*
- * This routine is called to set the UART divisor registers to match
- * the specified baud rate for a serial port.
- */
-static void change_speed(struct async_struct *info,
-			 struct ktermios *old_termios)
-{
-	int	quot = 0, baud_base, baud;
-	unsigned cflag, cval = 0;
-	int	bits;
-	unsigned long	flags;
-
-	if (!info->tty || !info->tty->termios)
-		return;
-	cflag = info->tty->termios->c_cflag;
-
-	/* Byte size is always 8 bits plus parity bit if requested */
-
-	cval = 3; bits = 10;
-	if (cflag & CSTOPB) {
-		cval |= 0x04;
-		bits++;
-	}
-	if (cflag & PARENB) {
-		cval |= UART_LCR_PARITY;
-		bits++;
-	}
-	if (!(cflag & PARODD))
-		cval |= UART_LCR_EPAR;
-#ifdef CMSPAR
-	if (cflag & CMSPAR)
-		cval |= UART_LCR_SPAR;
-#endif
-
-	/* Determine divisor based on baud rate */
-	baud = tty_get_baud_rate(info->tty);
-	if (!baud)
-		baud = 9600;	/* B0 transition handled in rs_set_termios */
-	baud_base = info->state->baud_base;
-	if (baud == 38400 &&
-	    ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST))
-		quot = info->state->custom_divisor;
-	else {
-		if (baud == 134)
-			/* Special case since 134 is really 134.5 */
-			quot = (2*baud_base / 269);
-		else if (baud)
-			quot = baud_base / baud;
-	}
-	/* If the quotient is zero refuse the change */
-	if (!quot && old_termios) {
-		/* FIXME: Will need updating for new tty in the end */
-		info->tty->termios->c_cflag &= ~CBAUD;
-		info->tty->termios->c_cflag |= (old_termios->c_cflag & CBAUD);
-		baud = tty_get_baud_rate(info->tty);
-		if (!baud)
-			baud = 9600;
-		if (baud == 38400 &&
-		    ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST))
-			quot = info->state->custom_divisor;
-		else {
-			if (baud == 134)
-				/* Special case since 134 is really 134.5 */
-				quot = (2*baud_base / 269);
-			else if (baud)
-				quot = baud_base / baud;