[PATCH] remove arch/m32r/drivers/m32r-pldsio.c

[Christoph Hellwig]

Yet another copy of serial.c adaptec to local hardware, but not
connected to the build at all.  Instead of adding it let's remove it
and wait for a proper version using serial_core.


===== arch/m32r/drivers/m32r-pldsio.c 1.1 vs edited =====
--- 1.1/arch/m32r/drivers/m32r-pldsio.c	2004-09-17 09:06:56 +02:00
+++ edited/arch/m32r/drivers/m32r-pldsio.c	2004-10-02 18:10:21 +02:00
@@ -1,3067 +0,0 @@
-/* $Id$
- *
- * M32R onboard PLD serial module support.
- *
- * Much of the design and some of the code came from serial.c:
- *  Copyright (C) 1991, 1992  Linus Torvalds
- *  Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997,
- *              1998, 1999  Theodore Ts'o
- *
- * M32R work:
- *  Copyright 1996, 2001, Mitsubishi Electric Corporation
- *  Copyright (C) 2000,2001  by Hiro Kondo, Hiro Takata, and Hitoshi Yamamoto.
- *
- *  2002-12-25: Support M32700UT Platform by Takeo Takahashi
- *  		Derived from dbg_console.c.
- */
-
-static char *serial_version = "kondo";
-static char *serial_revdate = "2002-09-11";
-static char *serial_name = "M32R Serial driver";
-
-#define LOCAL_VERSTRING ""
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/tty_driver.h>
-#include <linux/smp_lock.h>
-#include <linux/init.h>
-#include <linux/major.h>
-#include <linux/console.h>
-#include <linux/kdev_t.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/serial.h>
-#include <linux/serialP.h>  /* serial_state */
-#include <linux/slab.h>  /* kmalloc */
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/serial.h>
-#include <asm/m32r.h>
-
-extern struct console  console_for_debug;
-
-static int psio_write(struct tty_struct *tty, int from_user,
-			const unsigned char *buf, int count);
-static int psio_write_room(struct tty_struct *tty);
-static int psio_chars_in_buffer(struct tty_struct *tty);
-
-static void dbg_console_write(struct console *, const char *, unsigned);
-static kdev_t dbg_console_device(struct console *c);
-//static void psio_interrupt_single(int, void *, struct pt_regs *);
-void psio_interrupt_single(int, void *, struct pt_regs *);
-static void psio_receive_chars(struct async_struct *, int *);
-
-static void psio_wait_until_sent(struct tty_struct *, int);
-static void change_speed(struct async_struct *,struct termios *);
-static void autoconfig(struct serial_state *);
-static unsigned detect_uart_irq (struct serial_state *);
-
-static struct tty_driver psio_driver;
-static int psio_refcount;
-
-#define RS_STROBE_TIME (10*HZ)
-#define RS_ISR_PASS_LIMIT 256
-
-/* number of characters left in xmit buffer before we ask for more */
-#define WAKEUP_CHARS 256
-
-static struct async_struct *IRQ_ports[NR_IRQS];
-static int IRQ_timeout[NR_IRQS];
-#ifdef CONFIG_SERIAL_CONSOLE
-static struct console cons;
-static int lsr_break_flag;
-#endif
-
-#define BAUDRATE 115200        /* Set Baudrate */
-
-/*
- * Here we define the default xmit fifo size used for each type of
- * UART
- */
-static struct serial_uart_config uart_config[] = {
-	{ "unknown", 1, 0 },
-	{ "8250", 1, 0 },
-	{ "16450", 1, 0 },
-	{ "16550", 1, 0 },
-	{ "16550A", 16, UART_CLEAR_FIFO | UART_USE_FIFO },
-	{ "cirrus", 1, 0 },     /* usurped by cyclades.c */
-	{ "ST16650", 1, UART_CLEAR_FIFO | UART_STARTECH },
-	{ "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
-		UART_STARTECH },
-	{ "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
-	{ "Startech", 1, 0},    /* usurped by cyclades.c */
-	{ "16C950/954", 128, UART_CLEAR_FIFO | UART_USE_FIFO},
-	{ "ST16654", 64, UART_CLEAR_FIFO | UART_USE_FIFO |
-		UART_STARTECH },
-	{ "XR16850", 128, UART_CLEAR_FIFO | UART_USE_FIFO |
-		UART_STARTECH },
-	{ "RSA", 2048, UART_CLEAR_FIFO | UART_USE_FIFO },
-	{ "m32102", 1, 0 },
-	{ 0, 0}
-};
-
-static struct serial_state rs_table[RS_TABLE_SIZE] = {
-/*    UART CLK        PORT        IRQ   FLAGS        */
-      { 0,   BAUDRATE, ((int)PLD_ESIO0CR + NONCACHE_OFFSET), PLD_IRQ_SIO0_RCV,   STD_COM_FLAGS },
-};
-#define NR_PORTS    (sizeof(rs_table)/sizeof(struct serial_state))
-
-
-#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-
-static DECLARE_TASK_QUEUE(tq_psio_serial);
-static struct tty_struct *psio_table[NR_PORTS];
-static struct termios *psio_termios[NR_PORTS];
-static struct termios *psio_termios_locked[NR_PORTS];
-
-#if defined(MODULE) && defined(SERIAL_DEBUG_MCOUNT)
-#define DBG_CNT(s) printk("(%s): [%x] refc=%d, serc=%d, ttyc=%d -> %s\n", \
- kdevname(tty->device), (info->flags), serial_refcount,info->count,tty->count,s
-)
-#else
-#define DBG_CNT(s)
-#endif
-
-
-static struct timer_list serial_timer;
-
-static unsigned char *tmp_buf;
-#ifdef DECLARE_MUTEX
-static DECLARE_MUTEX(tmp_buf_sem);
-#else
-static struct semaphore tmp_buf_sem = MUTEX;
-#endif
-
-static int dbg_console_setup(struct console *console, char *options);
-
-#undef SIO0CR
-#undef SIO0MOD0
-#undef SIO0MOD1
-#undef SIO0STS
-#undef SIO0IMASK
-#undef SIO0BAUR
-#undef SIO0TXB
-#undef SIO0RXB
-#define SIO0CR     PLD_ESIO0CR
-#define SIO0MOD0   PLD_ESIO0MOD0
-#define SIO0MOD1   PLD_ESIO0MOD1
-#define SIO0STS    PLD_ESIO0STS
-#define SIO0IMASK  PLD_ESIO0INTCR
-#define SIO0BAUR   PLD_ESIO0BAUR
-#define SIO0TXB    PLD_ESIO0TXB
-#define SIO0RXB    PLD_ESIO0RXB
-
-#define SIO_IMASK_TEMPIE       (1UL<<1)  /* b14: enable */
-#define SIO_IMASK_RXCEN        (1UL<<2)  /* b13: enable */
-#define SIO_IMASK_REIE         (0UL)
-#define	SIO_SIO0STS_TEMP       (1UL<<0)  /* Transmitter Register Empty */
-#define	SIO_SIO0STS_TXCP       (1UL<<1)
-#define	SIO_SIO0STS_RXCP       (1UL<<2)
-#define	SIO_SIO0STS_OERR       (0UL)
-#define	SIO_SIO0STS_PERR       (0UL)
-#define	SIO_SIO0STS_FERR       (0UL)
-#define	SIO_SIO0MOD0_CTSS      (1UL<<6)
-#define	SIO_SIO0MOD0_RTSS      (1UL<<7)
-#define	SIO_NONE               (0UL)
-
-#define	UART_TX   	((unsigned char *)SIO0TXB - (unsigned char *)SIO0CR)
-#define	UART_RX         ((unsigned char *)SIO0RXB - (unsigned char *)SIO0CR)
-#define	UART_IER        ((unsigned char *)SIO0IMASK - (unsigned char *)SIO0CR)
-#define UART_IER_THRI   	SIO_IMASK_TEMPIE
-#define UART_IER_MSI    	SIO_NONE
-#define UART_IER_RLSI   	SIO_IMASK_RXCEN
-#define UART_IER_RDI    	SIO_IMASK_REIE
-#define	UART_LSR        ((unsigned char *)SIO0STS - (unsigned char *)SIO0CR)
-#define	UART_LSR_DR     	SIO_SIO0STS_RXCP
-#define	UART_LSR_THRE   	SIO_SIO0STS_TEMP
-#define	UART_LSR_TEMT   	SIO_SIO0STS_TXCP
-#define UART_EMPTY		(UART_LSR_TEMT | UART_LSR_THRE)
-#define	UART_LSR_BI     	SIO_NONE
-#define	UART_LSR_PE     	SIO_SIO0STS_PERR
-#define	UART_LSR_FE     	SIO_SIO0STS_FERR
-#define	UART_LSR_OE     	SIO_SIO0STS_OERR
-#define	UART_IIR	((unsigned char *)SIO0STS - (unsigned char *)SIO0CR)
-#define	UART_LCR        ((unsigned char *)SIO0CR - (unsigned char *)SIO0CR)
-#define	UART_LCR_SBC    	SIO_NONE
-#define	UART_LCR_PARITY 	SIO_NONE
-#define	UART_LCR_EPAR   	SIO_NONE
-#define	UART_LCR_SPAR   	SIO_NONE
-#define	UART_MCR        ((unsigned char *)SIO0MOD0 - (unsigned char *)SIO0CR)
-#define	UART_MCR_RTS    	SIO_SIO0MOD0_RTSS
-#define	UART_MCR_DTR    	SIO_NONE	/* SIO_SIO0MOD0_CTSS */
-#define	UART_MCR_LOOP   	SIO_NONE
-#define	UART_MCR_OUT1   	SIO_NONE
-#define	UART_MCR_OUT2   	SIO_NONE
-#define	UART_MSR        ((unsigned char *)SIO0MOD0 - (unsigned char *)SIO0CR)
-#define	UART_MSR_DCD           	SIO_NONE
-#define	UART_MSR_RI            	SIO_NONE
-#define	UART_MSR_DSR           	SIO_NONE
-#define	UART_MSR_CTS           	SIO_NONE
-
-#define	UART_BAUR       ((unsigned char *)SIO0BAUR - (unsigned char *)SIO0CR)
-#define	UART_MOD0   	((unsigned char *)SIO0MOD0 - (unsigned char *)SIO0CR)
-#define	UART_MOD1       ((unsigned char *)SIO0MOD1 - (unsigned char *)SIO0CR)
-
-static  inline unsigned int psio_in(struct async_struct *info,int offset)
-{
-	return *(volatile unsigned short *)(info->port + offset);
-}
-static inline void psio_out(struct async_struct *info,int offset,int value)
-{
-	*(volatile unsigned short *)(info->port + offset) = value;
-}
-
-#define serial_in(info, offset)            psio_in(info,(int)offset)
-#define serial_out(info, offset, value)    psio_out(info,(int)offset, value)
-#define serial_inp(info, offset)           psio_in(info,(int)offset)
-#define serial_outp(info, offset, value)   psio_out(info,(int)offset, value)
-
-
-static inline int serial_paranoia_check(struct async_struct *info,
-				        kdev_t device, 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, kdevname(device), routine);
-		return 1;
-	}
-	if (info->magic != SERIAL_MAGIC) {
-		printk(badmagic, kdevname(device), routine);
-		return 1;
-	}
-#endif
-	return 0;
-}
-
-/*
- * ------------------------------------------------------------
- * psio_stop() and psio_start()
- *
- * This routines are called before setting or resetting tty->stopped.
- * They enable or disable transmitter interrupts, as necessary.
- * ------------------------------------------------------------
- */
-static void psio_stop(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_stop"))
-		return;
-
-	save_flags(flags); cli();
-	if (info->IER & UART_IER_THRI) {
-		info->IER &= ~UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-	}
-	restore_flags(flags);
-
-}
-
-static void psio_start(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_start"))
-		return;
-
-	save_flags(flags); cli();
-	if (info->xmit.head != info->xmit.tail
-		&& info->xmit.buf
-		&& !(info->IER & UART_IER_THRI)) {
-		info->IER |= UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-		serial_out(info, UART_TX, info->xmit.buf[info->xmit.tail]);
-		info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
-		info->state->icount.tx++;
-	}
-	restore_flags(flags);
-}
-
-
-/*
- * This routine is used by the interrupt handler to schedule
- * processing in the software interrupt portion of the driver.
- */
-static inline void psio_sched_event(struct async_struct *info,int event)
-{
-	info->event |= 1 << event;
-	queue_task(&info->tqueue, &tq_psio_serial);
-	mark_bh(SERIAL_BH);
-}
-
-static inline void psio_receive_chars(struct async_struct *info,int *status)
-{
-	struct tty_struct *tty = info->tty;
-	unsigned char ch;
-	struct  async_icount *icount;
-	int max_count = 256;
-
-	icount = &info->state->icount;
-	do {
-		if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
-			tty->flip.tqueue.routine((void *) tty);
-			if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-				return;     // if TTY_DONT_FLIP is set
-		}
-		ch = serial_inp(info, UART_RX);
-		*tty->flip.char_buf_ptr = ch;
-		icount->rx++;
-
-#ifdef SERIAL_DEBUG_INTR
-		printk("DR%02x:%02x...", ch, *status);
-#endif
-		*tty->flip.flag_buf_ptr = 0;
-		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++;
-				/*
-				 * We do the SysRQ and SAK checking
-				 * here because otherwise the break
-				 * may get masked by ignore_status_mask
-				 * or read_status_mask.
-				 */
-#if defined(CONFIG_SERIAL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-				if (info->line == cons.index) {
-					if (!break_pressed) {
-						break_pressed = jiffies;
-						goto ignore_char;
-					}
-					break_pressed = 0;
-				}
-#endif
-			        if (info->flags & ASYNC_SAK)
-					do_SAK(tty);
-			} else if (*status & UART_LSR_PE)
-				icount->parity++;
-			else if (*status & UART_LSR_FE)
-				icount->frame++;
-			if (*status & UART_LSR_OE)
-				icount->overrun++;
-
-			/*
-			 * Mask off conditions which should be ignored.
-			 */
-			*status &= info->read_status_mask;
-
-#ifdef CONFIG_SERIAL_CONSOLE
-			if (info->line == cons.index) {
-				/* Recover the break flag from console xmit */
-				*status |= lsr_break_flag;
-				lsr_break_flag = 0;
-			}
-#endif
-			if (*status & (UART_LSR_BI)) {
-#ifdef SERIAL_DEBUG_INTR
-				printk("handling break....");
-#endif
-				*tty->flip.flag_buf_ptr = TTY_BREAK;
-			} else if (*status & UART_LSR_PE)
-				*tty->flip.flag_buf_ptr = TTY_PARITY;
-			else if (*status & UART_LSR_FE)
-				*tty->flip.flag_buf_ptr = TTY_FRAME;
-		}
-#if defined(CONFIG_SERIAL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-		if (break_pressed && info->line == cons.index) {
-			if (ch != 0 &&
-				time_before(jiffies, break_pressed + HZ*5)) {
-				handle_sysrq(ch, regs, NULL, NULL);
-				break_pressed = 0;
-				goto ignore_char;
-			}
-			break_pressed = 0;
-		}
-#endif
-		if ((*status & info->ignore_status_mask) == 0) {
-			tty->flip.flag_buf_ptr++;
-			tty->flip.char_buf_ptr++;
-			tty->flip.count++;
-		}
-#if defined(CONFIG_SERIAL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-	ignore_char:
-#endif
-		*status = serial_inp(info, UART_LSR);
-	} while ((*status & UART_LSR_DR) && (max_count-- > 0));
-#if (LINUX_VERSION_CODE > 131394) /* 2.1.66 */
-	tty_flip_buffer_push(tty);
-#else
-	queue_task_irq_off(&tty->flip.tqueue, &tq_timer);
-#endif
-}
-
-static void transmit_chars(struct async_struct *info, int *intr_done)
-{
-	int count;
-
-	if (info->x_char) {
-		// for M32102 serial
-		// serial_outp(info, UART_TX, info->x_char);
-		info->state->icount.tx++;
-		info->x_char = 0;
-		if (intr_done)
-			*intr_done = 0;
-		while((serial_in(info,UART_LSR) & UART_LSR_TEMT) == 0);
-		return;
-	}
-	if (info->xmit.head == info->xmit.tail
-		|| info->tty->stopped
-		|| info->tty->hw_stopped) {
-		info->IER &= ~UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-		return;
-	}
-	count = info->xmit_fifo_size;
-	count = SERIAL_XMIT_SIZE-1;
-	do {
-		serial_out(info, UART_TX, info->xmit.buf[info->xmit.tail]);
-		info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
-		info->state->icount.tx++;
-
-		if (info->xmit.head == info->xmit.tail)
-			break;
-
-		while((serial_in(info,UART_LSR) & UART_LSR_THRE) == 0);
-	} while (--count > 0);
-	while((serial_in(info,UART_LSR) & UART_LSR_TEMT) == 0);
-
-	if (CIRC_CNT(info->xmit.head,
-			 info->xmit.tail,
-			 SERIAL_XMIT_SIZE) < WAKEUP_CHARS)
-		psio_sched_event(info, RS_EVENT_WRITE_WAKEUP);
-
-#ifdef SERIAL_DEBUG_INTR
-	printk("THRE...");
-#endif
-	if (intr_done)
-		*intr_done = 0;
-
-	if (info->xmit.head == info->xmit.tail) {
-		info->IER &= ~UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-	}
-}
-
-
-/*
-
-#ifdef CONFIG_SERIAL_SHARE_IRQ
-static void rs_interrupt(int irq, void *dev_id, struct pt_regs * regs)
-#endif
-*/
-
-static void sio_reset(struct async_struct *info)
-{
-	unsigned int dummy;
-	/* reset sio */
-	/* read receive buffer */
-	dummy = serial_inp(info, UART_RX);
-	dummy = serial_inp(info, UART_RX);
-	dummy = serial_inp(info, UART_LSR);
-	serial_outp(info, UART_LCR, 0x0300);	/* RSCLR:1, TSCLR:1 */
-	serial_outp(info, UART_LCR, 0x0003);	/* RSEN:1, TXEN:1 */
-}
-
-static void sio_error(struct async_struct *info,int status)
-{
-	unsigned int dummy;
-	/* reset sio */
-	printk("sio[%d] error[%04x]\n", info->line,status);
-	/* read receive buffer */
-	dummy = serial_inp(info, UART_RX);
-	dummy = serial_inp(info, UART_RX);
-	dummy = serial_inp(info, UART_LSR);
-	serial_outp(info, UART_LCR, 0x0300);	/* RSCLR:1, TSCLR:1 */
-	serial_outp(info, UART_LCR, 0x0003);	/* RSEN:1, TXEN:1 */
-}
-
-//static void psio_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
-void psio_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
-{
-	int status;
-	// int pass_counter = 0;
-	struct async_struct * info;
-
-#ifdef CONFIG_SERIAL_MULTIPORT
-	int first_multi = 0;
-	struct rs_multiport_struct *multi;
-#endif
-
-#ifdef SERIAL_DEBUG_INTR
-	printk("psio_interrupt_single(%d)...", irq);
-#endif
-
-	info = IRQ_ports[irq&(~1)];
-	if (!info || !info->tty)
-		return;
-
-#ifdef CONFIG_SERIAL_MULTIPORT
-	multi = &rs_multiport[irq];
-	if (multi->port_monitor)
-		first_multi = inb(multi->port_monitor);
-#endif
-
-	{
-		status = serial_inp(info, UART_LSR);
-#ifdef SERIAL_DEBUG_INTR
-		printk("status = %x...", status);
-#endif
-		if (status & UART_LSR_DR){
-			psio_receive_chars(info, &status);
-		}
-		if ((serial_in(info,UART_LSR) & UART_EMPTY) != UART_EMPTY)
-			sio_error(info, status);
-		if (status & UART_LSR_THRE)
-			transmit_chars(info, 0);
-#ifdef SERIAL_DEBUG_INTR
-		printk("IIR = %x...", serial_in(info, UART_IIR));
-#endif
-	}
-
-	info->last_active = jiffies;
-#ifdef CONFIG_SERIAL_MULTIPORT
-	if (multi->port_monitor)
-			printk("rs port monitor (single) irq %d: 0x%x, 0x%x\n",
-			info->state->irq, first_multi,
-			inb(multi->port_monitor));
-#endif
-#ifdef SERIAL_DEBUG_INTR
-	printk("end.\n");
-#endif
-}
-#ifdef CONFIG_SERIAL_MULTIPORT
-static void rs_interrupt_multi(int irq, void *dev_id, struct pt_regs * regs)
-{}
-#endif
-
-static void do_psio_serial_bh(void)
-{
-	run_task_queue(&tq_psio_serial);
-}
-
-static void do_softint(void *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)) {
-		if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-			tty->ldisc.write_wakeup)
-			(tty->ldisc.write_wakeup)(tty);
-		wake_up_interruptible(&tty->write_wait);
-#ifdef SERIAL_HAVE_POLL_WAIT
-		wake_up_interruptible(&tty->poll_wait);
-#endif
-	}
-}
-
-static void psio_timer(void)
-{
-	static unsigned long last_strobe = 0;
-	struct async_struct *info;
-	unsigned int  i;
-	unsigned long flags;
-
-	if ((jiffies - last_strobe) >= RS_STROBE_TIME) {
-		for (i=0; i < NR_IRQS; i++) {
-			info = IRQ_ports[i];
-			if (!info)
-				continue;
-			save_flags(flags); cli();
-			psio_interrupt_single(i, NULL, NULL);
-			restore_flags(flags);
-		}
-	}
-	last_strobe = jiffies;
-
-#if 1
-	mod_timer(&serial_timer, jiffies + 10);
-#else
-	mod_timer(&serial_timer, jiffies + RS_STROBE_TIME);
-#endif
-
-	if (IRQ_ports[0]) {
-		save_flags(flags); cli();
-#ifdef CONFIG_SERIAL_SHARE_IRQ
-		psio_interrupt(0, NULL, NULL);
-#else
-		psio_interrupt_single(0, NULL, NULL);
-#endif
-		restore_flags(flags);
-
-		mod_timer(&serial_timer, jiffies + IRQ_timeout[0]);
-	}
-}
-
-/*
- * ---------------------------------------------------------------
- * 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.
- * ---------------------------------------------------------------
- */
-
-/*
- * This routine figures out the correct timeout for a particular IRQ.
- * It uses the smallest timeout of all of the serial ports in a
- * particular interrupt chain.  Now only used for IRQ 0....
- */
-static void figure_IRQ_timeout(int irq)
-{
-	struct  async_struct    *info;
-	int timeout = 60*HZ;    /* 60 seconds === a long time :-) */
-
-	info = IRQ_ports[irq];
-	if (!info) {
-		IRQ_timeout[irq] = 60*HZ;
-		return;
-	}
-	while (info) {
-		if (info->timeout < timeout)
-			timeout = info->timeout;
-		info = info->next_port;
-	}
-	if (!irq)
-		timeout = timeout / 2;
-	IRQ_timeout[irq] = timeout ? timeout : 1;
-}
-
-#ifdef CONFIG_SERIAL_RSA
-/* Attempts to turn on the RSA FIFO.  Returns zero on failure */
-static int enable_rsa(struct async_struct *info) {}
-
-/* Attempts to turn off the RSA FIFO.  Returns zero on failure */
-static int disable_rsa(struct async_struct *info) { }
-#endif /* CONFIG_SERIAL_RSA */
-
-static int startup(struct async_struct * info)
-{
-	unsigned long flags;
-	int retval=0;
-	void (*handler)(int, void *, struct pt_regs *);
-	struct serial_state *state= info->state;
-	unsigned long page;
-#ifdef CONFIG_SERIAL_MANY_PORTS
-	unsigned short ICP;
-#endif
-
-	page = get_zeroed_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
-
-	save_flags(flags); cli();
-
-	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 ttyD%d (irq %d)...", info->line, state->irq);
-#endif
-
-	/*
-	 * Clear the FIFO buffers and disable them
-	 * (they will be reenabled in change_speed())
-	 */
-
-	/*
-	 * Clear the interrupt registers.
-	 */
-	sio_reset(info);
-
-	/*
-	 * Allocate the IRQ if necessary
-	 */
-	if (state->irq && (!IRQ_ports[state->irq] ||
-			   !IRQ_ports[state->irq]->next_port)) {
-		if (IRQ_ports[state->irq]) {
-#ifdef CONFIG_SERIAL_SHARE_IRQ
-			free_irq(state->irq, &IRQ_ports[state->irq]);
-			free_irq(state->irq+1, &IRQ_ports[state->irq]);
-#ifdef CONFIG_SERIAL_MULTIPORT
-			if (rs_multiport[state->irq].port1)
-				handler = rs_interrupt_multi;
-			else
-#endif
-				handler = psio_interrupt;
-#else
-			retval = -EBUSY;
-			goto errout;
-#endif /* CONFIG_SERIAL_SHARE_IRQ */
-		} else
-			handler = psio_interrupt_single;
-
-		/* 020116 */
-		retval = request_irq(state->irq, handler, SA_SHIRQ,
-			"serial_rx", &IRQ_ports[state->irq]);
-		retval = request_irq(state->irq+1, handler, SA_SHIRQ,
-			"serial_tx", &IRQ_ports[state->irq]);
-		if (retval) {
-			if (capable(CAP_SYS_ADMIN)) {
-				if (info->tty)
-					set_bit(TTY_IO_ERROR,
-						&info->tty->flags);
-				retval = 0;
-			}
-			goto errout;
-		}
-	}
-
-	/*
-	 * Insert serial port into IRQ chain.
-	 */
-	info->prev_port = 0;
-	info->next_port = IRQ_ports[state->irq];
-	if (info->next_port)
-		info->next_port->prev_port = info;
-	IRQ_ports[state->irq] = info;
-	figure_IRQ_timeout(state->irq);
-
-	/*
-	 * Now, initialize the UART
-	 */
-	/* for m32r @020113 */
-	sio_reset(info);
-
-	info->MCR = 0;
-	if (info->tty->termios->c_cflag & CBAUD)
-		info->MCR = UART_MCR_DTR | UART_MCR_RTS;
-#ifdef CONFIG_SERIAL_MANY_PORTS
-	if (info->flags & ASYNC_FOURPORT) {
-		if (state->irq == 0)
-			info->MCR |= UART_MCR_OUT1;
-	} else
-#endif
-	{
-		if (state->irq != 0)
-			info->MCR |= UART_MCR_OUT2;
-	}
-	info->MCR |= ALPHA_KLUDGE_MCR;      /* Don't ask */
-	serial_outp(info, UART_MCR, info->MCR);
-
-	/*
-	 * Finally, enable interrupts
-	 */
-	info->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
-	serial_outp(info, UART_IER, info->IER); /* enable interrupts */
-
-#ifdef CONFIG_SERIAL_MANY_PORTS
-	if (info->flags & ASYNC_FOURPORT) {
-		/* Enable interrupts on the AST Fourport board */
-		ICP = (info->port & 0xFE0) | 0x01F;
-		outb_p(0x80, ICP);
-		(void) inb_p(ICP);
-	}
-#endif
-
-	/*
-	 * And clear the interrupt registers again for luck.
-	 */
-	(void)serial_inp(info, UART_LSR);
-	(void)serial_inp(info, UART_RX);
-	(void)serial_inp(info, UART_IIR);
-	(void)serial_inp(info, UART_MSR);
-
-	if (info->tty)
-		clear_bit(TTY_IO_ERROR, &info->tty->flags);
-	info->xmit.head = info->xmit.tail = 0;
-
-	/*
-	 * Set up serial timers...
-	 */
-	mod_timer(&serial_timer, jiffies + 2*HZ/100);
-
-	/*
-	 * Set up the tty->alt_speed kludge
-	 */
-#if (LINUX_VERSION_CODE >= 131394) /* Linux 2.1.66 */
-	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;
-	}
-#endif
-
-	/*
-	 * and set the speed of the serial port
-	 */
-	change_speed(info, 0);
-
-	info->flags |= ASYNC_INITIALIZED;
-	restore_flags(flags);
-	return 0;
-
-errout:
-	restore_flags(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;
-	int     retval;
-
-	if (!(info->flags & ASYNC_INITIALIZED))
-		return;
-
-	state = info->state;
-
-#ifdef SERIAL_DEBUG_OPEN
-	printk("Shutting down serial port %d (irq %d)....", info->line,
-		   state->irq);
-#endif
-
-	save_flags(flags); cli(); /* 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);
-
-	/*
-	 * First unlink the serial port from the IRQ chain...
-	 */
-	if (info->next_port)
-		info->next_port->prev_port = info->prev_port;
-	if (info->prev_port)
-		info->prev_port->next_port = info->next_port;
-	else
-		IRQ_ports[state->irq] = info->next_port;
-	figure_IRQ_timeout(state->irq);
-
-	/*
-	 * Free the IRQ, if necessary
-	 */
-	if (state->irq && (!IRQ_ports[state->irq] ||
-			  !IRQ_ports[state->irq]->next_port)) {
-		if (IRQ_ports[state->irq]) {
-			/* 020116 */
-			free_irq(state->irq+1, &IRQ_ports[state->irq]);
-			retval = request_irq(state->irq+1, psio_interrupt_single,
-				         SA_SHIRQ, "serial_xx",
-				         &IRQ_ports[state->irq]);
-			free_irq(state->irq, &IRQ_ports[state->irq]);
-			retval = request_irq(state->irq, psio_interrupt_single,
-				         SA_SHIRQ, "serial",
-				         &IRQ_ports[state->irq]);
-
-			if (retval)
-				printk("serial shutdown: request_irq: error %d"
-				       "  Couldn't reacquire IRQ.\n", retval);
-		} else{
-			free_irq(state->irq, &IRQ_ports[state->irq]);
-			/* 020116 */
-			free_irq(state->irq+1, &IRQ_ports[state->irq]);
-		}
-	}
-	if (info->xmit.buf) {
-		unsigned long pg = (unsigned long) info->xmit.buf;
-		info->xmit.buf = 0;
-		free_page(pg);
-	}
-
-	info->IER = 0;
-	serial_outp(info, UART_IER, 0x00);  /* disable all intrs */
-#ifdef CONFIG_SERIAL_MANY_PORTS
-	if (info->flags & ASYNC_FOURPORT) {
-		/* reset interrupts on the AST Fourport board */
-		(void) inb((info->port & 0xFE0) | 0x01F);
-		info->MCR |= UART_MCR_OUT1;
-	} else
-#endif
-	if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
-		info->MCR &= ~(UART_MCR_DTR|UART_MCR_RTS);
-	serial_outp(info, UART_MCR, info->MCR);
-
-#ifdef CONFIG_SERIAL_RSA
-	/*
-	 * Reset the RSA board back to 115kbps compat mode.
-	 */
-	if ((state->type == PORT_RSA) &&
-		(state->baud_base == SERIAL_RSA_BAUD_BASE &&
-		 disable_rsa(info)))
-		state->baud_base = SERIAL_RSA_BAUD_BASE_LO;
-#endif
-
-
-	(void)serial_in(info, UART_RX);    /* read data port to reset things */
-
-	if (info->tty)
-		set_bit(TTY_IO_ERROR, &info->tty->flags);
-
-	sio_reset(info);
-
-	info->flags &= ~ASYNC_INITIALIZED;
-	restore_flags(flags);
-}
-
-static void change_speed(struct async_struct *info,struct termios *old_termios)
-{
-	int quot = 0, baud_base, baud;
-	unsigned cflag, cval = 0;
-	int bits;
-	unsigned long   flags;
-	unsigned mod0, mod1;
-
-	if (!info->tty || !info->tty->termios)
-		return;
-	cflag = info->tty->termios->c_cflag;
-	if (!CONFIGURED_SERIAL_PORT(info))
-		return;
-
-	/* byte size and parity */
-	switch (cflag & CSIZE) {
-		  case CS5: mod1 = 0x05; bits = 7; break;
-		  case CS6: mod1 = 0x06; bits = 8; break;
-		  case CS7: mod1 = 0x07; bits = 9; break;
-		  case CS8: mod1 = 0x08; bits = 10; break;
-		  /* Never happens, but GCC is too dumb to figure it out */
-		  default:  mod1 = 0x05; bits = 7; break;
-	}
-	mod1 <<= 8;
-	mod0 = 0;
-	if (cflag & CSTOPB) {
-		mod0 |= 0x03;
-		bits++;
-	}
-	if (cflag & PARENB) {
-		mod0 |= 0x10;
-		bits++;
-	}
-	if (!(cflag & PARODD)) {
-		mod0 |= 0x4;
-	}
-	mod0 = 0x80;	/* Use RTS# output only */
-
-	serial_outp(info, UART_MOD0, mod0);      /* */
-	//serial_outp(info, UART_MOD1, mod1);
-	//mod1 = 0;
-	info->LCR = mod1;               /* Save LCR */
-
-	/* Determine divisor based on baud rate */
-	baud = tty_get_baud_rate(info->tty);
-	if (!baud)
-		baud = 9600;    /* B0 transition handled in rs_set_termios */
-#ifdef CONFIG_SERIAL_RSA
-	if ((info->state->type == PORT_RSA) &&
-		(info->state->baud_base != SERIAL_RSA_BAUD_BASE) &&
-		enable_rsa(info))
-		info->state->baud_base = SERIAL_RSA_BAUD_BASE;
-#endif
-	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) {
-		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 ;
-		}
-	}
-	quot = baud_base / (baud*4) ;
-	/* As a last resort, if the quotient is zero, default to 9600 bps */
-	if (!quot)
-		quot = baud_base / 9600;
-	/*
-	 * Work around a bug in the Oxford Semiconductor 952 rev B
-	 * chip which causes it to seriously miscalculate baud rates
-	 * when DLL is 0.
-	 */
-	if (((quot & 0xFF) == 0) && (info->state->type == PORT_16C950) &&
-		(info->state->revision == 0x5201))
-		quot++;
-
-	info->quot = quot;
-	info->timeout = ((info->xmit_fifo_size*HZ*bits*quot) / baud_base);
-	info->timeout += HZ/50;     /* Add .02 seconds of slop */
-
-	/* CTS flow control flag and modem status interrupts */
-	info->IER &= ~UART_IER_MSI;
-	if (info->flags & ASYNC_HARDPPS_CD)
-		info->IER |= UART_IER_MSI;
-	if (cflag & CRTSCTS) {
-		info->flags |= ASYNC_CTS_FLOW;
-		info->IER |= UART_IER_MSI;
-	} else
-		info->flags &= ~ASYNC_CTS_FLOW;
-	if (cflag & CLOCAL)
-		info->flags &= ~ASYNC_CHECK_CD;
-	else {
-		info->flags |= ASYNC_CHECK_CD;
-		info->IER |= UART_IER_MSI;
-	}
-	serial_out(info, UART_IER, info->IER);
-
-	/*
-	 * Set up parity check flag
-	 */
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
-	info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
-	if (I_INPCK(info->tty))
-		info->read_status_mask |= UART_LSR_FE | UART_LSR_PE;
-	if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
-		info->read_status_mask |= UART_LSR_BI;
-
-	/*
-	 * Characters to ignore
-	 */
-	info->ignore_status_mask = 0;
-	if (I_IGNPAR(info->tty))
-		info->ignore_status_mask |= UART_LSR_PE | UART_LSR_FE;
-	if (I_IGNBRK(info->tty)) {
-		info->ignore_status_mask |= UART_LSR_BI;
-		/*
-		 * If we're ignore parity and break indicators, ignore
-		 * overruns too.  (For real raw support).
-		 */
-		if (I_IGNPAR(info->tty))
-			info->ignore_status_mask |= UART_LSR_OE;
-	}
-	/*
-	 * !!! ignore all characters if CREAD is not set
-	 */
-	if ((cflag & CREAD) == 0)
-		info->ignore_status_mask |= UART_LSR_DR;
-	cval = (baud_base / (baud * 4)) - 1;
-
-	save_flags(flags); cli();
-	serial_outp(info, UART_BAUR, cval );  /* set baurate reg */
-	serial_outp(info, UART_LCR, 0x03);
-	restore_flags(flags);
-}
-
-static void psio_put_char(struct tty_struct *tty, unsigned char ch)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_put_char"))
-		return;
-
-	if (!tty || !info->xmit.buf)
-		return;
-
-	save_flags(flags); cli();
-	if (CIRC_SPACE(info->xmit.head,
-			   info->xmit.tail,
-			   SERIAL_XMIT_SIZE) == 0) {
-		restore_flags(flags);
-		return;
-	}
-
-	info->xmit.buf[info->xmit.head] = ch;
-	info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
-	restore_flags(flags);
-}
-
-static void psio_flush_chars(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_flush_chars"))
-		return;
-
-	if (info->xmit.head == info->xmit.tail
-		|| tty->stopped
-		|| tty->hw_stopped
-		|| !info->xmit.buf)
-		return;
-
-	save_flags(flags); cli();
-	if (!(info->IER & UART_IER_THRI)) {
-		info->IER |= UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-		serial_out(info, UART_TX, info->xmit.buf[info->xmit.tail]);
-		info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
-		info->state->icount.tx++;
-	}
-	restore_flags(flags);
-	while((serial_in(info,UART_LSR) & UART_EMPTY) != UART_EMPTY);
-}
-
-static int psio_write(struct tty_struct *tty, int from_user,
-		    const unsigned char *buf, int count)
-{
-	int c, ret = 0;
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_write"))
-		return 0;
-
-	if (!tty || !info->xmit.buf || !tmp_buf)
-		return 0;
-
-	save_flags(flags);
-	if (from_user) {
-		down(&tmp_buf_sem);
-		while (1) {
-			int c1;
-			c = CIRC_SPACE_TO_END(info->xmit.head,
-					info->xmit.tail,
-					SERIAL_XMIT_SIZE);
-			if (count < c)
-				c = count;
-			if (c <= 0)
-				break;
-
-			c -= copy_from_user(tmp_buf, buf, c);
-			if (!c) {
-				if (!ret)
-					ret = -EFAULT;
-				break;
-			}
-			cli();
-			c1 = CIRC_SPACE_TO_END(info->xmit.head,
-					info->xmit.tail,
-					SERIAL_XMIT_SIZE);
-			if (c1 < c)
-				c = c1;
-			memcpy(info->xmit.buf + info->xmit.head, tmp_buf, c);
-			info->xmit.head = ((info->xmit.head + c) &
-					(SERIAL_XMIT_SIZE-1));
-			restore_flags(flags);
-			buf += c;
-			count -= c;
-			ret += c;
-		}
-		up(&tmp_buf_sem);
-	} else {
-		cli();
-		while (1) {
-			c = CIRC_SPACE_TO_END(info->xmit.head,
-					info->xmit.tail,
-					SERIAL_XMIT_SIZE);
-			if (count < c)
-				c = count;
-			if (c <= 0) {
-				break;
-			}
-			memcpy(info->xmit.buf + info->xmit.head, buf, c);
-			info->xmit.head = ((info->xmit.head + c) &
-				 (SERIAL_XMIT_SIZE-1));
-			buf += c;
-			count -= c;
-			ret += c;
-		}
-		restore_flags(flags);
-	}
-	save_flags(flags); cli();
-	if (info->xmit.head != info->xmit.tail
-		&& !tty->stopped
-		&& !tty->hw_stopped
-		&& !(info->IER & UART_IER_THRI)) {
-		info->IER |= UART_IER_THRI;
-		serial_out(info, UART_IER, info->IER);
-		serial_out(info, UART_TX, info->xmit.buf[info->xmit.tail]);
-		info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
-		info->state->icount.tx++;
-	}
-	restore_flags(flags);
-	while((serial_in(info,UART_LSR) & UART_EMPTY) != UART_EMPTY);
-	return ret;
-}
-
-static int psio_write_room(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-
-	if (serial_paranoia_check(info, tty->device, "psio_write_room"))
-		return 0;
-	return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
-}
-
-static int psio_chars_in_buffer(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-
-	if (serial_paranoia_check(info, tty->device, "psio_chars_in_buffer"))
-		return 0;
-	return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
-}
-
-static void psio_flush_buffer(struct tty_struct *tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "psio_flush_buffer"))
-		return;
-	save_flags(flags); cli();
-	info->xmit.head = info->xmit.tail = 0;
-	restore_flags(flags);
-	wake_up_interruptible(&tty->write_wait);
-#ifdef SERIAL_HAVE_POLL_WAIT
-	wake_up_interruptible(&tty->poll_wait);
-#endif
-	if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-			 tty->ldisc.write_wakeup)
-		(tty->ldisc.write_wakeup)(tty);
-}
-
-/*
- * This function is used to send a high-priority XON/XOFF character to
- * the device
- */
-static void psio_send_xchar(struct tty_struct *tty, char ch)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-
-	if (serial_paranoia_check(info, tty->device, "psio_send_char"))
-		return;
-
-	info->x_char = ch;
-	if (ch) {
-		unsigned long flags;
-		save_flags(flags); cli();
-		if (!(info->IER & UART_IER_THRI)) {
-	   		info->IER |= UART_IER_THRI;
-			serial_out(info, UART_IER, info->IER);
-			serial_out(info, UART_TX, info->x_char);
-		}
-		restore_flags(flags);
-	}
-}
-
-/*
- * ------------------------------------------------------------
- * rs_throttle()
- *
- * This routine is called by the upper-layer tty layer to signal that
- * incoming characters should be throttled.
- * ------------------------------------------------------------
- */
-static void psio_throttle(struct tty_struct * tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-#ifdef SERIAL_DEBUG_THROTTLE
-	char    buf[64];
-
-	printk("throttle %s: %d....\n", tty_name(tty, buf),
-		tty->ldisc.chars_in_buffer(tty));
-#endif
-
-	if (serial_paranoia_check(info, tty->device, "psio_throttle"))
-		return;
-
-	if (I_IXOFF(tty))
-		psio_send_xchar(tty, STOP_CHAR(tty));
-
-	if (tty->termios->c_cflag & CRTSCTS)
-		info->MCR &= ~UART_MCR_RTS;
-
-	save_flags(flags); cli();
-	serial_out(info, UART_MCR, info->MCR);
-	restore_flags(flags);
-}
-
-static void psio_unthrottle(struct tty_struct * tty)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-#ifdef SERIAL_DEBUG_THROTTLE
-	char    buf[64];
-
-	printk("unthrottle %s: %d....\n", tty_name(tty, buf),
-		tty->ldisc.chars_in_buffer(tty));
-#endif
-
-	if (serial_paranoia_check(info, tty->device, "psio_unthrottle"))
-		return;
-
-	if (I_IXOFF(tty)) {
-		if (info->x_char) info->x_char = 0;
-	}
-	if (tty->termios->c_cflag & CRTSCTS)
-		info->MCR |= UART_MCR_RTS;
-	save_flags(flags); cli();
-	serial_out(info, UART_MCR, info->MCR);
-	restore_flags(flags);
-}
-
-/*
- * ------------------------------------------------------------
- * rs_ioctl() and friends
- * ------------------------------------------------------------
- */
-
-static int get_serial_info(struct async_struct * info,
-			   struct serial_struct * retinfo)
-{
-	struct serial_struct tmp;
-	struct serial_state *state = info->state;
-
-	if (!retinfo)
-		return -EFAULT;
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.type = state->type;
-	tmp.line = state->line;
-	tmp.port = state->port;
-	if (HIGH_BITS_OFFSET)
-		tmp.port_high = state->port >> HIGH_BITS_OFFSET;
-	else
-		tmp.port_high = 0;
-	tmp.irq = state->irq;
-	tmp.flags = state->flags;
-	tmp.xmit_fifo_size = state->xmit_fifo_size;
-	tmp.baud_base = state->baud_base;
-	tmp.close_delay = state->close_delay;
-	tmp.closing_wait = state->closing_wait;
-	tmp.custom_divisor = state->custom_divisor;
-	tmp.hub6 = state->hub6;
-	tmp.io_type = state->io_type;
-	if (copy_to_user(retinfo,&tmp,sizeof(*retinfo)))
-		return -EFAULT;
-	return 0;
-}
-
-static int set_serial_info(struct async_struct * info,
-			   struct serial_struct * new_info)
-{
-	struct serial_struct new_serial;
-	struct serial_state old_state, *state;
-	unsigned int		i,change_irq,change_port;
-	int			retval = 0;
-	unsigned long		new_port;
-
-	if (copy_from_user(&new_serial,new_info,sizeof(new_serial)))
-		return -EFAULT;
-	state = info->state;
-	old_state = *state;
-
-	new_port = new_serial.port;
-	if (HIGH_BITS_OFFSET)
-		new_port += (unsigned long) new_serial.port_high << HIGH_BITS_OFFSET;
-
-	change_irq = new_serial.irq != state->irq;
-	change_port = (new_port != ((int) state->port)) ||
-		(new_serial.hub6 != state->hub6);
-
-	if (!capable(CAP_SYS_ADMIN)) {
-		if (change_irq || change_port ||
-		    (new_serial.baud_base != state->baud_base) ||
-		    (new_serial.type != state->type) ||
-		    (new_serial.close_delay != state->close_delay) ||
-		    (new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
-		    ((new_serial.flags & ~ASYNC_USR_MASK) !=
-		    (state->flags & ~ASYNC_USR_MASK)))
-			return -EPERM;
-		state->flags = ((state->flags & ~ASYNC_USR_MASK) |
-					(new_serial.flags & ASYNC_USR_MASK));
-		info->flags = ((info->flags & ~ASYNC_USR_MASK) |
-				   (new_serial.flags & ASYNC_USR_MASK));
-		state->custom_divisor = new_serial.custom_divisor;
-		goto check_and_exit;
-	}
-
-	new_serial.irq = irq_cannonicalize(new_serial.irq);
-
-	if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) ||
-	    (new_serial.baud_base < 9600)|| (new_serial.type < PORT_UNKNOWN) ||
-	    (new_serial.type > PORT_MAX) || (new_serial.type == PORT_CIRRUS) ||
-	    (new_serial.type == PORT_STARTECH)) {
-		return -EINVAL;
-	}
-
-	if ((new_serial.type != state->type) ||
-		(new_serial.xmit_fifo_size <= 0))
-		new_serial.xmit_fifo_size =
-			uart_config[new_serial.type].dfl_xmit_fifo_size;
-
-	/* Make sure address is not already in use */
-	if (new_serial.type) {
-		for (i = 0 ; i < NR_PORTS; i++)
-			if ((state != &rs_table[i]) &&
-			    (rs_table[i].port == new_port) &&
-			    rs_table[i].type)
-				return -EADDRINUSE;
-	}
-
-	if ((change_port || change_irq) && (state->count > 1))
-		return -EBUSY;
-
-	/*
-	 * OK, past this point, all the error checking has been done.
-	 * At this point, we start making changes.....
-	 */
-
-	state->baud_base = new_serial.baud_base;
-	state->flags = ((state->flags & ~ASYNC_FLAGS) |
-			(new_serial.flags & ASYNC_FLAGS));
-	info->flags = ((state->flags & ~ASYNC_INTERNAL_FLAGS) |
-			   (info->flags & ASYNC_INTERNAL_FLAGS));
-	state->custom_divisor = new_serial.custom_divisor;
-	state->close_delay = new_serial.close_delay * HZ/100;
-	state->closing_wait = new_serial.closing_wait * HZ/100;
-#if (LINUX_VERSION_CODE > 0x20100)
-	info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-#endif
-	info->xmit_fifo_size = state->xmit_fifo_size =
-		new_serial.xmit_fifo_size;
-
-	if ((state->type != PORT_UNKNOWN) && state->port) {
-#ifdef CONFIG_SERIAL_RSA
-		if (old_state.type == PORT_RSA)
-			release_region(state->port + UART_RSA_BASE, 16);
-		else
-#endif
-		release_region(state->port,8);
-	}
-	state->type = new_serial.type;
-	if (change_port || change_irq) {
-		/*
-		 * We need to shutdown the serial port at the old
-		 * port/irq combination.
-		 */
-		shutdown(info);
-		state->irq = new_serial.irq;
-		info->port = state->port = new_port;
-		info->hub6 = state->hub6 = new_serial.hub6;
-		if (info->hub6)
-			info->io_type = state->io_type = SERIAL_IO_HUB6;
-		else if (info->io_type == SERIAL_IO_HUB6)
-			info->io_type = state->io_type = SERIAL_IO_PORT;
-	}
-	if ((state->type != PORT_UNKNOWN) && state->port) {
-#ifdef CONFIG_SERIAL_RSA
-		if (state->type == PORT_RSA)
-			request_region(state->port + UART_RSA_BASE,
-				       16, "serial_rsa(set)");
-		else
-#endif
-			request_region(state->port,8,"serial(set)");
-	}
-
-
-check_and_exit:
-	if (!state->port || !state->type)
-		return 0;
-	if (info->flags & ASYNC_INITIALIZED) {
-		if (((old_state.flags & ASYNC_SPD_MASK) !=
-			 (state->flags & ASYNC_SPD_MASK)) ||
-			(old_state.custom_divisor != state->custom_divisor)) {
-#if (LINUX_VERSION_CODE >= 131394) /* Linux 2.1.66 */
-			if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
-				info->tty->alt_speed = 57600;
-			if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
-				info->tty->alt_speed = 115200;
-			if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
-				info->tty->alt_speed = 230400;
-			if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
-				info->tty->alt_speed = 460800;
-#endif
-			change_speed(info, 0);
-		}
-	} else
-		retval = startup(info);
-	return retval;
-}
-
-/*
- * get_lsr_info - get line status register info
- *
- * Purpose: Let user call ioctl() to get info when the UART physically
- *      is emptied.  On bus types like RS485, the transmitter must
- *      release the bus after transmitting. This must be done when
- *      the transmit shift register is empty, not be done when the
- *      transmit holding register is empty.  This functionality
- *      allows an RS485 driver to be written in user space.
- */
-static int get_lsr_info(struct async_struct * info, unsigned int *value)
-{
-	unsigned char status;
-	unsigned int result;
-	unsigned long flags;
-
-	save_flags(flags); cli();
-	status = serial_in(info, UART_LSR);
-	restore_flags(flags);
-	result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0);
-
-	/*
-	 * If we're about to load something into the transmit
-	 * register, we'll pretend the transmitter isn't empty to
-	 * avoid a race condition (depending on when the transmit
-	 * interrupt happens).
-	 */
-	if (info->x_char ||
-		((CIRC_CNT(info->xmit.head, info->xmit.tail,
-			   SERIAL_XMIT_SIZE) > 0) &&
-		 !info->tty->stopped && !info->tty->hw_stopped))
-		result &= ~TIOCSER_TEMT;
-
-	if (copy_to_user(value, &result, sizeof(int)))
-		return -EFAULT;
-	return 0;
-}
-
-
-static int get_modem_info(struct async_struct * info, unsigned int *value)
-{
-	unsigned char control, status;
-	unsigned int result;
-	unsigned long flags;
-
-	control = info->MCR;
-	save_flags(flags); cli();
-	status = serial_in(info, UART_MSR);
-	restore_flags(flags);
-	result =  ((control & UART_MCR_RTS) ? TIOCM_RTS : 0)
-		| ((control & UART_MCR_DTR) ? TIOCM_DTR : 0)
-#ifdef TIOCM_OUT1
-		| ((control & UART_MCR_OUT1) ? TIOCM_OUT1 : 0)
-		| ((control & UART_MCR_OUT2) ? TIOCM_OUT2 : 0)
-#endif
-		| ((status  & UART_MSR_DCD) ? TIOCM_CAR : 0)
-		| ((status  & UART_MSR_RI) ? TIOCM_RNG : 0)
-		| ((status  & UART_MSR_DSR) ? TIOCM_DSR : 0)
-		| ((status  & UART_MSR_CTS) ? TIOCM_CTS : 0);
-
-	if (copy_to_user(value, &result, sizeof(int)))
-		return -EFAULT;
-	return 0;
-}
-static int set_modem_info(struct async_struct * info, unsigned int cmd,
-			  unsigned int *value)
-{
-	unsigned int arg;
-	unsigned long flags;
-
-	if (copy_from_user(&arg, value, sizeof(int)))
-		return -EFAULT;
-
-	switch (cmd) {
-	case TIOCMBIS:
-		if (arg & TIOCM_RTS)
-			info->MCR |= UART_MCR_RTS;
-		if (arg & TIOCM_DTR)
-			info->MCR |= UART_MCR_DTR;
-#ifdef TIOCM_OUT1
-		if (arg & TIOCM_OUT1)
-			info->MCR |= UART_MCR_OUT1;
-		if (arg & TIOCM_OUT2)
-			info->MCR |= UART_MCR_OUT2;
-#endif
-		if (arg & TIOCM_LOOP)
-			info->MCR |= UART_MCR_LOOP;
-		break;
-	case TIOCMBIC:
-		if (arg & TIOCM_RTS)
-			info->MCR &= ~UART_MCR_RTS;
-		if (arg & TIOCM_DTR)
-			info->MCR &= ~UART_MCR_DTR;
-#ifdef TIOCM_OUT1
-		if (arg & TIOCM_OUT1)
-			info->MCR &= ~UART_MCR_OUT1;
-		if (arg & TIOCM_OUT2)
-			info->MCR &= ~UART_MCR_OUT2;
-#endif
-		if (arg & TIOCM_LOOP)
-			info->MCR &= ~UART_MCR_LOOP;
-		break;
-	case TIOCMSET:
-		info->MCR = ((info->MCR & ~(UART_MCR_RTS |
-#ifdef TIOCM_OUT1
-				        UART_MCR_OUT1 |
-				        UART_MCR_OUT2 |
-#endif
-				        UART_MCR_LOOP |
-				        UART_MCR_DTR))
-				 | ((arg & TIOCM_RTS) ? UART_MCR_RTS : 0)
-#ifdef TIOCM_OUT1
-				 | ((arg & TIOCM_OUT1) ? UART_MCR_OUT1 : 0)
-				 | ((arg & TIOCM_OUT2) ? UART_MCR_OUT2 : 0)
-#endif
-				 | ((arg & TIOCM_LOOP) ? UART_MCR_LOOP : 0)
-				 | ((arg & TIOCM_DTR) ? UART_MCR_DTR : 0));
-		break;
-	default:
-		return -EINVAL;
-	}
-	save_flags(flags); cli();
-	info->MCR |= ALPHA_KLUDGE_MCR;      /* Don't ask */
-	serial_out(info, UART_MCR, info->MCR);
-	restore_flags(flags);
-	return 0;
-}
-
-static int do_autoconfig(struct async_struct * info)
-{
-	int irq, retval;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
-	if (info->state->count > 1)
-		return -EBUSY;
-
-	shutdown(info);
-
-	autoconfig(info->state);
-	if ((info->state->flags & ASYNC_AUTO_IRQ) &&
-		(info->state->port != 0  || info->state->iomem_base != 0) &&
-		(info->state->type != PORT_UNKNOWN)) {
-		irq = detect_uart_irq(info->state);
-		if (irq > 0)
-			info->state->irq = irq;
-	}
-
-	retval = startup(info);
-	if (retval)
-		return retval;
-	return 0;
-}
-
-/*
- * rs_break() --- routine which turns the break handling on or off
- */
-#if (LINUX_VERSION_CODE < 131394) /* Linux 2.1.66 */
-static void send_break( struct async_struct * info, int duration)
-{
-	if (!CONFIGURED_SERIAL_PORT(info))
-		return;
-	current->state = TASK_INTERRUPTIBLE;
-	current->timeout = jiffies + duration;
-	cli();
-	info->LCR |= UART_LCR_SBC;
-	serial_out(info, UART_LCR, 0x3);
-	schedule();
-	info->LCR &= ~UART_LCR_SBC;
-	serial_out(info, UART_LCR, 0x3);
-	sti();
-}
-#else
-static void psio_break(struct tty_struct *tty, int break_state)
-{
-	struct async_struct * info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-
-	if (serial_paranoia_check(info, tty->device, "rs_break"))
-		return;
-
-	if (!CONFIGURED_SERIAL_PORT(info))
-		return;
-	save_flags(flags); cli();
-	if (break_state == -1)
-		info->LCR |= UART_LCR_SBC;
-	else
-		info->LCR &= ~UART_LCR_SBC;
-	restore_flags(flags);
-}
-#endif
-
-#ifdef CONFIG_SERIAL_MULTIPORT
-static int get_multiport_struct(struct async_struct * info,
-				struct serial_multiport_struct *retinfo)
-{
-	struct serial_multiport_struct ret;
-	struct rs_multiport_struct *multi;
-
-	multi = &rs_multiport[info->state->irq];
-
-	ret.port_monitor = multi->port_monitor;
-
-	ret.port1 = multi->port1;
-	ret.mask1 = multi->mask1;
-	ret.match1 = multi->match1;
-
-	ret.port2 = multi->port2;
-	ret.mask2 = multi->mask2;
-	ret.match2 = multi->match2;
-
-	ret.port3 = multi->port3;
-	ret.mask3 = multi->mask3;
-	ret.match3 = multi->match3;
-
-	ret.port4 = multi->port4;
-	ret.mask4 = multi->mask4;
-	ret.match4 = multi->match4;
-
-	ret.irq = info->state->irq;
-
-	if (copy_to_user(retinfo,&ret,sizeof(*retinfo)))
-		return -EFAULT;
-	return 0;
-}
-
-static int set_multiport_struct(struct async_struct * info,
-				struct serial_multiport_struct *in_multi)
-{
-	struct serial_multiport_struct new_multi;
-	struct rs_multiport_struct *multi;
-	struct serial_state *state;
-	int was_multi, now_multi;
-	int retval;
-	void (*handler)(int, void *, struct pt_regs *);
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-	state = info->state;
-
-	if (copy_from_user(&new_multi, in_multi,
-			   sizeof(struct serial_multiport_struct)))
-		return -EFAULT;
-
-	if (new_multi.irq != state->irq || state->irq == 0 ||
-		!IRQ_ports[state->irq])
-		return -EINVAL;
-
-	multi = &rs_multiport[state->irq];
-	was_multi = (multi->port1 != 0);
-
-	multi->port_monitor = new_multi.port_monitor;
-
-	if (multi->port1)
-		release_region(multi->port1,1);
-	multi->port1 = new_multi.port1;
-	multi->mask1 = new_multi.mask1;
-	multi->match1 = new_multi.match1;
-	if (multi->port1)
-		request_region(multi->port1,1,"serial(multiport1)");
-
-	if (multi->port2)
-		release_region(multi->port2,1);
-	multi->port2 = new_multi.port2;
-	multi->mask2 = new_multi.mask2;
-	multi->match2 = new_multi.match2;
-	if (multi->port2)
-		request_region(multi->port2,1,"serial(multiport2)");
-
-	if (multi->port3)
-		release_region(multi->port3,1);
-	multi->port3 = new_multi.port3;
-	multi->mask3 = new_multi.mask3;
-	multi->match3 = new_multi.match3;
-	if (multi->port3)
-		request_region(multi->port3,1,"serial(multiport3)");
-
-	if (multi->port4)
-		release_region(multi->port4,1);
-	multi->port4 = new_multi.port4;
-	multi->mask4 = new_multi.mask4;
-	multi->match4 = new_multi.match4;
-	if (multi->port4)
-		request_region(multi->port4,1,"serial(multiport4)");
-
-	now_multi = (multi->port1 != 0);
-
-	if (IRQ_ports[state->irq]->next_port &&
-		(was_multi != now_multi)) {
-		free_irq(state->irq, &IRQ_ports[state->irq]);
-		if (now_multi)
-			handler = rs_interrupt_multi;
-		else
-			handler = rs_interrupt;
-
-		retval = request_irq(state->irq, handler, SA_SHIRQ,
-				     "serial", &IRQ_ports[state->irq]);
-		if (retval) {
-			printk("Couldn't reallocate serial interrupt "
-				   "driver!!\n");
-		}
-	}
-	return 0;
-}
-#endif
-
-static int psio_ioctl(struct tty_struct *tty, struct file * file,
-		    unsigned int cmd, unsigned long arg)
-{
-	struct async_struct * info = (struct async_struct *)tty->driver_data;
-	struct async_icount cprev, cnow;    /* kernel counter temps */
-	struct serial_icounter_struct icount;
-	unsigned long flags;
-#if (LINUX_VERSION_CODE < 131394) /* Linux 2.1.66 */
-	int retval, tmp;
-#endif
-
-	if (serial_paranoia_check(info, tty->device, "rs_ioctl"))
-		return -ENODEV;
-
-	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
-		(cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
-		(cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
-		if (tty->flags & (1 << TTY_IO_ERROR))
-			return -EIO;
-	}
-
-	switch (cmd) {
-#if (LINUX_VERSION_CODE < 131394) /* Linux 2.1.66 */
-		case TCSBRK:    /* SVID version: non-zero arg --> no break */
-			retval = tty_check_change(tty);
-			if (retval)
-				return retval;
-			tty_wait_until_sent(tty, 0);
-			if (signal_pending(current))
-				return -EINTR;
-			if (!arg) {
-				send_break(info, HZ/4); /* 1/4 second */
-				if (signal_pending(current))
-				    return -EINTR;
-			}
-			return 0;
-		case TCSBRKP:   /* support for POSIX tcsendbreak() */
-			retval = tty_check_change(tty);
-			if (retval)
-				return retval;
-			tty_wait_until_sent(tty, 0);
-			if (signal_pending(current))
-				return -EINTR;
-			send_break(info, arg ? arg*(HZ/10) : HZ/4);
-			if (signal_pending(current))
-				return -EINTR;
-			return 0;
-		case TIOCGSOFTCAR:
-			tmp = C_CLOCAL(tty) ? 1 : 0;
-			if (copy_to_user((void *)arg, &tmp, sizeof(int)))
-				return -EFAULT;
-			return 0;
-		case TIOCSSOFTCAR:
-			if (copy_from_user(&tmp, (void *)arg, sizeof(int)))
-				return -EFAULT;
-
-			tty->termios->c_cflag =
-				((tty->termios->c_cflag & ~CLOCAL) |
-				 (tmp ? CLOCAL : 0));
-			return 0;
-#endif
-		case TIOCMGET:
-			return get_modem_info(info, (unsigned int *) arg);
-		case TIOCMBIS:
-		case TIOCMBIC:
-		case TIOCMSET:
-			return set_modem_info(info, cmd, (unsigned int *) arg);
-		case TIOCGSERIAL:
-			return get_serial_info(info,
-					       (struct serial_struct *) arg);
-		case TIOCSSERIAL:
-			return set_serial_info(info,
-				               (struct serial_struct *) arg);
-		case TIOCSERCONFIG:
-			return do_autoconfig(info);
-
-		case TIOCSERGETLSR: /* Get line status register */
-			return get_lsr_info(info, (unsigned int *) arg);
-
-		case TIOCSERGSTRUCT:
-			if (copy_to_user((struct async_struct *) arg,
-			    info, sizeof(struct async_struct)))
-				return -EFAULT;
-			return 0;
-
-#ifdef CONFIG_SERIAL_MULTIPORT
-		case TIOCSERGETMULTI:
-			return get_multiport_struct(info,
-				       (struct serial_multiport_struct *) arg);
-		case TIOCSERSETMULTI:
-			return set_multiport_struct(info,
-				       (struct serial_multiport_struct *) arg);
-#endif
-
-		/*
-		 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
-		 * - mask passed in arg for lines of interest
-		 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
-		 * Caller should use TIOCGICOUNT to see which one it was
-		 */
-		case TIOCMIWAIT:
-			save_flags(flags); cli();
-			/* note the counters on entry */
-			cprev = info->state->icount;
-			restore_flags(flags);
-			/* Force modem status interrupts on */
-			info->IER |= UART_IER_MSI;
-			serial_out(info, UART_IER, info->IER);
-			while (1) {
-				interruptible_sleep_on(&info->delta_msr_wait);
-				/* see if a signal did it */
-				if (signal_pending(current))
-				    return -ERESTARTSYS;
-				save_flags(flags); cli();
-				cnow = info->state->icount; /* atomic copy */
-				restore_flags(flags);
-				if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
-				    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
-				    return -EIO; /* no change => error */
-				if ( ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
-				     ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
-				     ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
-				     ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
-				    return 0;
-				}
-				cprev = cnow;
-			}
-			/* NOTREACHED */
-
-		/*
-		 * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
-		 * Return: write counters to the user passed counter struct
-		 * NB: both 1->0 and 0->1 transitions are counted except for
-		 *     RI where only 0->1 is counted.
-		 */
-		case TIOCGICOUNT:
-			save_flags(flags); cli();
-			cnow = info->state->icount;
-			restore_flags(flags);
-			icount.cts = cnow.cts;
-			icount.dsr = cnow.dsr;
-			icount.rng = cnow.rng;
-			icount.dcd = cnow.dcd;
-			icount.rx = cnow.rx;
-			icount.tx = cnow.tx;
-			icount.frame = cnow.frame;
-			icount.overrun = cnow.overrun;
-			icount.parity = cnow.parity;
-			icount.brk = cnow.brk;
-			icount.buf_overrun = cnow.buf_overrun;
-
-			if (copy_to_user((void *)arg, &icount, sizeof(icount)))
-				return -EFAULT;
-			return 0;
-		case TIOCSERGWILD:
-		case TIOCSERSWILD:
-			/* "setserial -W" is called in Debian boot */
-			printk ("TIOCSER?WILD ioctl obsolete, ignored.\n");
-			return 0;
-
-		default:
-			return -ENOIOCTLCMD;
-		}
-	return 0;
-}
-
-static void psio_set_termios(struct tty_struct *tty, struct termios *old_termios)
-{
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
-	unsigned long flags;
-	unsigned int cflag = tty->termios->c_cflag;
-
-	if (   (cflag == old_termios->c_cflag)
-		&& (   RELEVANT_IFLAG(tty->termios->c_iflag)
-		== RELEVANT_IFLAG(old_termios->c_iflag)))
-	  return;
-
-	change_speed(info, old_termios);
-
-	/* Handle transition to B0 status */
-	if ((old_termios->c_cflag & CBAUD) &&
-		!(cflag & CBAUD)) {
-		info->MCR &= ~(UART_MCR_DTR|UART_MCR_RTS);
-		save_flags(flags); cli();
-		serial_out(info, UART_MCR, info->MCR);
-		restore_flags(flags);
-	}
-
-	/* Handle transition away from B0 status */
-	if (!(old_termios->c_cflag & CBAUD) &&
-		(cflag & CBAUD)) {
-		info->MCR |= UART_MCR_DTR;
-		if (!(tty->termios->c_cflag & CRTSCTS) ||
-			!test_bit(TTY_THROTTLED, &tty->flags)) {
-			info->MCR |= UART_MCR_RTS;
-		}
-		save_flags(flags); cli();
-		serial_out(info, UART_MCR, info->MCR);
-		restore_flags(flags);
-	}
-
-	/* Handle turning off CRTSCTS */
-	if ((old_termios->c_cflag & CRTSCTS) &&
-		!(tty->termios->c_cflag & CRTSCTS)) {
-		tty->hw_stopped = 0;
-		psio_start(tty);
-	}
-}
-
-/*
- * -----------------------------------------------------------
- * psio_close()
- *
- * This routine is called when the debug console port gets closed.
- * First, we wait for the last remaining data to be sent.  Then, we unlink
- * its async structure from the interrupt chain if necessary, and we free
- * that IRQ if nothing is left in the chain.
- * -----------------------------------------------------------
- */
-static void psio_close(struct tty_struct *tty, struct file *filp)
-{
-	struct async_struct * info = (struct async_struct *)tty->driver_data;
-	struct serial_state *state;
-	unsigned long flags;
-
-	if (!info || serial_paranoia_check(info, tty->device, "rs_close"))
-		return;
-
-	state = info->state;
-
-	save_flags(flags); cli();
-
-	if (tty_hung_up_p(filp)) {
-		DBG_CNT("before DEC-hung");
-		MOD_DEC_USE_COUNT;
-		restore_flags(flags);
-		return;
-	}
-
-#ifdef SERIAL_DEBUG_OPEN
-	printk("psio_close ttyD%d, count = %d\n", info->line, state->count);
-#endif
-	if ((tty->count == 1) && (state->count != 1)) {
-		/*
-		 * Uh, oh.  tty->count is 1, which means that the tty
-		 * structure will be freed.  state->count should always
-		 * be one in these conditions.  If it's greater than
-		 * one, we've got real problems, since it means the
-		 * serial port won't be shutdown.
-		 */
-		printk("rs_close: bad serial port count; tty->count is 1, "
-			   "state->count is %d\n", state->count);
-		state->count = 1;
-	}
-	if (--state->count < 0) {
-		printk("psio_close: bad serial port count for ttyD%d: %d\n",
-			   info->line, state->count);
-		state->count = 0;
-	}
-	if (state->count) {
-		DBG_CNT("before DEC-2");
-		MOD_DEC_USE_COUNT;
-		restore_flags(flags);
-		return;
-	}
-	info->flags |= ASYNC_CLOSING;
-	restore_flags(flags);
-	/*
-	 * Save the termios structure, since this port may have
-	 * separate termios for callout and dialin.
-	 */
-	if (info->flags & ASYNC_NORMAL_ACTIVE)
-		info->state->normal_termios = *tty->termios;
-	if (info->flags & ASYNC_CALLOUT_ACTIVE)
-		info->state->callout_termios = *tty->termios;
-	/*
-	 * Now we wait for the transmit buffer to clear; and we notify
-	 * the line discipline to only process XON/XOFF characters.
-	 */
-	tty->closing = 1;
-	if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE)
-		tty_wait_until_sent(tty, info->closing_wait);
-	/*
-	 * At this point we stop accepting input.  To do this, we
-	 * disable the receive line status interrupts, and tell the
-	 * interrupt driver to stop checking the data ready bit in the
-	 * line status register.
-	 */
-	info->IER &= ~UART_IER_RLSI;
-	info->read_status_mask &= ~UART_LSR_DR;
-	if (info->flags & ASYNC_INITIALIZED) {
-		serial_out(info, UART_IER, info->IER);
-		/*
-		 * Before we drop DTR, make sure the UART transmitter
-		 * has completely drained; this is especially
-		 * important if there is a transmit FIFO!
-		 */
-		psio_wait_until_sent(tty, info->timeout);
-	}
-	shutdown(info);
-	if (tty->driver.flush_buffer)
-		tty->driver.flush_buffer(tty);
-	if (tty->ldisc.flush_buffer)
-		tty->ldisc.flush_buffer(tty);
-	tty->closing = 0;
-	info->event = 0;
-	info->tty = 0;
-	if (info->blocked_open) {
-		if (info->close_delay) {
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(info->close_delay);
-		}
-		wake_up_interruptible(&info->open_wait);
-	}
-	info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE|
-			 ASYNC_CLOSING);
-	wake_up_interruptible(&info->close_wait);
-	MOD_DEC_USE_COUNT;
-}
-
-/*
- * rs_wait_until_sent() --- wait until the transmitter is empty
- */
-static void psio_wait_until_sent(struct tty_struct *tty, int timeout)
-{
-	struct async_struct * info = (struct async_struct *)tty->driver_data;
-	unsigned long orig_jiffies, char_time;
-	int lsr;
-
-	if (serial_paranoia_check(info, tty->device, "psio_wait_until_sent"))
-		return;
-
-	if (info->state->type == PORT_UNKNOWN)
-		return;
-
-	if (info->xmit_fifo_size == 0)
-		return; /* Just in case.... */
-
-	orig_jiffies = jiffies;
-	/*
-	 * Set the check interval to be 1/5 of the estimated time to
-	 * send a single character, and make it at least 1.  The check
-	 * interval should also be less than the timeout.
-	 *
-	 * Note: we have to use pretty tight timings here to satisfy
-	 * the NIST-PCTS.
-	 */
-	char_time = (info->timeout - HZ/50) / info->xmit_fifo_size;
-	char_time = char_time / 5;
-	if (char_time == 0)
-		char_time = 1;
-	if (timeout && timeout < char_time)
-		char_time = timeout;
-	/*
-	 * If the transmitter hasn't cleared in twice the approximate
-	 * amount of time to send the entire FIFO, it probably won't
-	 * ever clear.  This assumes the UART isn't doing flow
-	 * control, which is currently the case.  Hence, if it ever
-	 * takes longer than info->timeout, this is probably due to a
-	 * UART bug of some kind.  So, we clamp the timeout parameter at
-	 * 2*info->timeout.
-	 */
-	if (!timeout || timeout > 2*info->timeout)
-		timeout = 2*info->timeout;
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
-	printk("In rs_wait_until_sent(%d) check=%lu...", timeout, char_time);
-	printk("jiff=%lu...", jiffies);
-#endif
-	while (!((lsr = serial_inp(info, UART_LSR)) & UART_LSR_TEMT)) {
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
-		printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
-#endif
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(char_time);
-		if (signal_pending(current))
-			break;
-		if (timeout && time_after(jiffies, orig_jiffies + timeout))
-			break;
-	}
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
-	printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies);
-#endif
-}
-
-/*
- * psio_hangup() --- called by tty_hangup() when a hangup is signaled.
- */
-static void psio_hangup(struct tty_struct *tty)
-{
-	struct async_struct * info = (struct async_struct *)tty->driver_data;
-	struct serial_state *state = info->state;
-
-	if (serial_paranoia_check(info, tty->device, "psio_hangup"))
-		return;
-
-	state = info->state;
-
-	psio_flush_buffer(tty);
-	if (info->flags & ASYNC_CLOSING)
-		return;
-	shutdown(info);
-	info->event = 0;
-	state->count = 0;
-	info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CALLOUT_ACTIVE);
-	info->tty = 0;
-	wake_up_interruptible(&info->open_wait);
-}
-
-
-
-/*
-static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
-static void rs_hangup(struct tty_struct *tty)
-*/
-
-/*
- * ------------------------------------------------------------
- * psio_open() and friends
- * ------------------------------------------------------------
- */
-#define SERIAL_DEBUG_OPEN
-static int block_til_ready(struct tty_struct *tty, struct file * filp,
-			   struct async_struct *info)
-{
-	DECLARE_WAITQUEUE(wait, current);
-	struct serial_state *state = info->state;
-	int     retval;
-	int     do_clocal = 0, extra_count = 0;
-	unsigned long   flags;
-
-	/*
-	 * If the device is in the middle of being closed, then block
-	 * until it's done, and then try again.
-	 */
-	if (tty_hung_up_p(filp) ||
-		(info->flags & ASYNC_CLOSING)) {
-		if (info->flags & ASYNC_CLOSING)
-			interruptible_sleep_on(&info->close_wait);
-#ifdef SERIAL_DO_RESTART
-		return ((info->flags & ASYNC_HUP_NOTIFY) ?
-			-EAGAIN : -ERESTARTSYS);
-#else
-		return -EAGAIN;
-#endif
-	}
-
-	/*
-	 * If this is a callout device, then just make sure the normal
-	 * device isn't being used.
-	 */
-	if (tty->driver.subtype == SERIAL_TYPE_CALLOUT) {
-		if (info->flags & ASYNC_NORMAL_ACTIVE)
-			return -EBUSY;
-		if ((info->flags & ASYNC_CALLOUT_ACTIVE) &&
-			(info->flags & ASYNC_SESSION_LOCKOUT) &&
-			(info->session != current->session))
-			return -EBUSY;
-		if ((info->flags & ASYNC_CALLOUT_ACTIVE) &&
-			(info->flags & ASYNC_PGRP_LOCKOUT) &&
-			(info->pgrp != current->pgrp))
-			return -EBUSY;
-		info->flags |= ASYNC_CALLOUT_ACTIVE;
-		return 0;
-	}
-
-#if 1 /* ? 020906 */
-filp->f_flags |= O_NONBLOCK;
-#endif /* ? 020906 */
-	/*
-	 * If non-blocking mode is set, or the port is not enabled,
-	 * then make the check up front and then exit.
-	 */
-	if ((filp->f_flags & O_NONBLOCK) ||
-		(tty->flags & (1 << TTY_IO_ERROR))) {
-		if (info->flags & ASYNC_CALLOUT_ACTIVE)
-			return -EBUSY;
-		info->flags |= ASYNC_NORMAL_ACTIVE;
-		return 0;
-	}
-
-	if (info->flags & ASYNC_CALLOUT_ACTIVE) {
-		if (state->normal_termios.c_cflag & CLOCAL)
-			do_clocal = 1;
-	} else {
-		if (tty->termios->c_cflag & CLOCAL)
-			do_clocal = 1;
-	}
-
-	/*
-	 * Block waiting for the carrier detect and the line to become
-	 * free (i.e., not in use by the callout).  While we are in
-	 * this loop, state->count is dropped by one, so that
-	 * rs_close() knows when to free things.  We restore it upon
-	 * exit, either normal or abnormal.
-	 */
-	retval = 0;
-	add_wait_queue(&info->open_wait, &wait);
-#ifdef SERIAL_DEBUG_OPEN
-	printk("block_til_ready before block: ttyD%d, count = %d\n",
-		   state->line, state->count);
-#endif
-	save_flags(flags); cli();
-	if (!tty_hung_up_p(filp)) {
-		extra_count = 1;
-		state->count--;
-	}
-	restore_flags(flags);
-	info->blocked_open++;
-	while (1) {
-		save_flags(flags); cli();
-		if (!(info->flags & ASYNC_CALLOUT_ACTIVE) &&
-			(tty->termios->c_cflag & CBAUD))
-			serial_out(info, UART_MCR,
-				   serial_inp(info, UART_MCR) |
-				   (UART_MCR_DTR | UART_MCR_RTS));
-		restore_flags(flags);
-		set_current_state(TASK_INTERRUPTIBLE);
-		if (tty_hung_up_p(filp) ||
-			!(info->flags & ASYNC_INITIALIZED)) {
-#ifdef SERIAL_DO_RESTART
-			if (info->flags & ASYNC_HUP_NOTIFY)
-				retval = -EAGAIN;
-			else
-				retval = -ERESTARTSYS;
-#else
-			retval = -EAGAIN;
-#endif
-			break;
-		}
-		if (!(info->flags & ASYNC_CALLOUT_ACTIVE) &&
-			!(info->flags & ASYNC_CLOSING) &&
-			(do_clocal || (serial_in(info, UART_MSR) &
-				   UART_MSR_DCD)))
-			break;
-		if (signal_pending(current)) {
-			retval = -ERESTARTSYS;
-			break;
-		}
-#ifdef SERIAL_DEBUG_OPEN
-		printk("block_til_ready blocking: ttyD%d, count = %d\n",
-			   info->line, state->count);
-#endif
-		schedule();
-	}
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&info->open_wait, &wait);
-	if (extra_count)
-		state->count++;
-	info->blocked_open--;
-#ifdef SERIAL_DEBUG_OPEN
-	printk("block_til_ready after blocking: ttyD%d, count = %d\n",
-		   info->line, state->count);
-#endif
-	if (retval)
-		return retval;
-	info->flags |= ASYNC_NORMAL_ACTIVE;
-	return 0;
-}
-#undef SERIAL_DEBUG_OPEN
-
-
-static int get_async_struct(int line, struct async_struct **ret_info)
-{
-	struct async_struct *info;
-	struct serial_state *sstate;
-
-	sstate = rs_table + line;
-	sstate->count++;
-	if (sstate->info) {
-		*ret_info = sstate->info;
-		return 0;
-	}
-	info = kmalloc(sizeof(struct async_struct), GFP_KERNEL);
-	if (!info) {
-		sstate->count--;
-		return -ENOMEM;
-	}
-	memset(info, 0, sizeof(struct async_struct));
-	init_waitqueue_head(&info->open_wait);
-	init_waitqueue_head(&info->close_wait);
-	init_waitqueue_head(&info->delta_msr_wait);
-	info->magic = SERIAL_MAGIC;
-	info->port = sstate->port;
-	info->flags = sstate->flags;
-	info->io_type = sstate->io_type;
-	info->iomem_base = sstate->iomem_base;
-	info->iomem_reg_shift = sstate->iomem_reg_shift;
-	info->xmit_fifo_size = sstate->xmit_fifo_size=0;
-	info->line = line;
-	info->tqueue.routine = do_softint;
-	info->tqueue.data = info;
-	info->state = sstate;
-
-	if (sstate->info) {
-		kfree(info);
-
-		*ret_info = sstate->info;
-		return 0;
-	}
-	*ret_info = sstate->info = info;
-	return 0;
-}
-
-/*
- * -----------------------------------------------------------
- * psio_open()
- *
- * This routine is called whenever a debug console port is opened.  It
- * enables interrupts for a serial port, linking in its async structure into
- * the IRQ chain.  It also performs the serial-specific
- * initialization for the tty structure.
- * -----------------------------------------------------------
- */
-static int psio_open(struct tty_struct *tty, struct file *filp)
-{
-	struct async_struct *info;
-	int retval,line=0;
-	unsigned long   page;
-
-	MOD_INC_USE_COUNT;
-	line = MINOR(tty->device) - tty->driver.minor_start;
-	if ((line < 0) || (line >= NR_PORTS)) {
-		MOD_DEC_USE_COUNT;
-		return -ENODEV;
-	}
-
-	retval = get_async_struct(line, &info);
-	if (retval) {
-		printk("psio_open ttyD%d fail...",line);
-		MOD_DEC_USE_COUNT;
-		return retval;
-	}
-	tty->driver_data = info;
-	info->tty = tty;
-	if (serial_paranoia_check(info, tty->device, "psio_open"))
-		return -ENODEV;
-
-#ifdef SERIAL_DEBUG_OPEN
-	printk("psio_open %s%d, count = %d\n", tty->driver.name, info->line,
-		   info->state->count);
-#endif
-	info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
-
-	/*
-	 *  This relies on lock_kernel() stuff so wants tidying for 2.5
-	 */
-	if (!tmp_buf) {
-		page = get_zeroed_page(GFP_KERNEL);
-		if (!page)
-			return -ENOMEM;
-		if (tmp_buf)
-			free_page(page);
-		else
-			tmp_buf = (unsigned char *) page;
-	}
-	/*
-	 * If the port is the middle of closing, bail out now
-	 */
-	if (tty_hung_up_p(filp) ||
-	  (info->flags & ASYNC_CLOSING)) {
-	if (info->flags & ASYNC_CLOSING)
-	  interruptible_sleep_on(&info->close_wait);
-#ifdef SERIAL_DO_RESTART
-	return ((info->flags & ASYNC_HUP_NOTIFY) ?
-	  -EAGAIN : -ERESTARTSYS);
-#else
-	return -EAGAIN;
-#endif
-	}
-
-	/*
-	 * Start up serial port
-	 */
-	retval=startup(info);
-	if (retval)
-		return retval;
-
-	retval = block_til_ready(tty, filp, info);
-	if (retval) {
-#ifdef SERIAL_DEBUG_OPEN
-		printk("psio_open returning after block_til_ready with %d\n",
-			   retval);
-#endif
-		return retval;
-	}
-
-	if ((info->state->count == 1) &&
-		(info->flags & ASYNC_SPLIT_TERMIOS)) {
-		if (tty->driver.subtype == SERIAL_TYPE_NORMAL)
-			*tty->termios = info->state->normal_termios;
-		else
-			*tty->termios = info->state->callout_termios;
-		change_speed(info, 0);
-	}
-#ifdef CONFIG_SERIAL_CONSOLE
-	if (cons.cflag && cons.index == line) {
-		tty->termios->c_cflag = cons.cflag;
-		cons.cflag = 0;
-		change_speed(info, 0);
-	}
-#endif
-	info->session = current->session;
-	info->pgrp = current->pgrp;
-
-	return 0;
-}
-
-/*
- * /proc fs routines....
- */
-static inline int line_info(char *buf, struct serial_state *state)
-{
-	struct async_struct *info = state->info, scr_info;
-	char  stat_buf[30], control, status;
-	int ret;
-	unsigned long flags;
-
-	ret = sprintf(buf, "%d: uart:%s port:%lX irq:%d",
-		  state->line, uart_config[state->type].name,
-		  state->port, state->irq);
-
-	if (!state->port || (state->type == PORT_UNKNOWN)) {
-		ret += sprintf(buf+ret, "\n");
-		return ret;
-	}
-
-	/*
-	 * Figure out the current RS-232 lines
-	 */
-	if (!info) {
-		info = &scr_info; /* This is just for serial_{in,out} */
-
-		info->magic = SERIAL_MAGIC;
-		info->port = state->port;
-		info->flags = state->flags;
-		info->hub6 = state->hub6;
-		info->io_type = state->io_type;
-		info->iomem_base = state->iomem_base;
-		info->iomem_reg_shift = state->iomem_reg_shift;
-		info->quot = 0;
-		info->tty = 0;
-	}
-	save_flags(flags); cli();
-	status = serial_in(info, UART_MSR);
-	control = info != &scr_info ? info->MCR : serial_in(info, UART_MCR);
-	restore_flags(flags);
-
-	stat_buf[0] = 0;
-	stat_buf[1] = 0;
-	if (control & UART_MCR_RTS)
-	strcat(stat_buf, "|RTS");
-	if (status & UART_MSR_CTS)
-	strcat(stat_buf, "|CTS");
-	if (control & UART_MCR_DTR)
-	strcat(stat_buf, "|DTR");
-	if (status & UART_MSR_DSR)
-	strcat(stat_buf, "|DSR");
-	if (status & UART_MSR_DCD)
-	strcat(stat_buf, "|CD");
-	if (status & UART_MSR_RI)
-	strcat(stat_buf, "|RI");
-
-	if (info->quot) {
-		ret += sprintf(buf+ret, " baud:%d",
-			 state->baud_base / (16*info->quot));
-	}
-
-	ret += sprintf(buf+ret, " tx:%d rx:%d",
-		  state->icount.tx, state->icount.rx);
-
-	if (state->icount.frame)
-		ret += sprintf(buf+ret, " fe:%d", state->icount.frame);
-
-	if (state->icount.parity)
-		ret += sprintf(buf+ret, " pe:%d", state->icount.parity);
-
-	if (state->icount.brk)
-		ret += sprintf(buf+ret, " brk:%d", state->icount.brk);
-
-	if (state->icount.overrun)
-		ret += sprintf(buf+ret, " oe:%d", state->icount.overrun);
-
-	/*
-	 * Last thing is the RS-232 status lines
-	 */
-	ret += sprintf(buf+ret, " %s\n", stat_buf+1);
-	return ret;
-}
-
-
-
-int psio_read_proc(char *page, char **start, off_t off, int count,
-		 int *eof, void *data)
-{
-	int i, len = 0, l;
-	off_t begin = 0;
-
-	len += sprintf(page, "sioinfo:1.0 driver:%s%s revision:%s\n",
-		   serial_version, LOCAL_VERSTRING, serial_revdate);
-	for (i = 0; i < NR_PORTS && len < 4000; i++) {
-		l = line_info(page + len, &rs_table[i]);
-		len += l;
-		if (len+begin > off+count)
-			goto done;
-		if (len+begin < off) {
-			begin += len;
-			len = 0;
-		}
-	}
-	*eof = 1;
-done:
-	if (off >= len+begin)
-		return 0;
-	*start = page + (off-begin);
-	return ((count < begin+len-off) ? count : begin+len-off);
-}
-
-static char serial_options[] __initdata =
-	   " no serial options enabled\n";
-
-
-static inline void show_serial_version(void)
-{
-	printk(KERN_INFO "%s version %s%s (%s) with%s", serial_name,
-		serial_version, LOCAL_VERSTRING, serial_revdate,
-		serial_options);
-}
-static unsigned detect_uart_irq (struct serial_state * state)
-{
-	if(! state->irq)
-		printk(KERN_INFO "detect_uart_irq: Ohh irq = 0\n");
-
-	return state->irq;
-}
-
-static void autoconfig(struct serial_state * state)
-{
-	struct async_struct *info, scr_info;
-	//unsigned long flags;
-
-	state->type = PORT_UNKNOWN;
-
-#ifdef SERIAL_DEBUG_AUTOCONF
-	printk("Testing ttyD%d (0x%04lx, 0x%04x)...\n", state->line,
-		   state->port, (unsigned) state->iomem_base);
-#endif
-
-	if (!CONFIGURED_SERIAL_PORT(state))
-		return;
-
-	info = &scr_info;   /* This is just for serial_{in,out} */
-
-	info->magic = SERIAL_MAGIC;
-	info->state = state;
-	info->port = state->port;
-	info->flags = state->flags;
-	sio_reset(info);
-}
-
-/*
- * The debug console driver boot-time initialization code!
- */
-/* 20020830 */
-int __init psio_init(void)
-{
-	int i;
-	struct serial_state * state;
-
-	init_bh(SERIAL_BH, do_psio_serial_bh);
-	init_timer(&serial_timer);
-	serial_timer.function = (void *)psio_timer;
-#if 1
-	mod_timer(&serial_timer, jiffies + 10);
-#else /* 1 */
-	mod_timer(&serial_timer, jiffies + RS_STROBE_TIME);
-#endif /* 1 */
-
-	for (i = 0; i < NR_IRQS; i++) {
-		IRQ_ports[i] = 0;
-		IRQ_timeout[i] = 0;
-	}
-
-	/*
-	 * Initialize the tty_driver structure
-	 */
-	memset(&psio_driver, 0, sizeof(struct tty_driver));
-	psio_driver.magic = TTY_DRIVER_MAGIC;
-#if (LINUX_VERSION_CODE > 0x20100)
-	psio_driver.driver_name = "serial_m32102";
-#endif
-#if 1
-	psio_driver.name = "ttyD";
-#else
-#if (LINUX_VERSION_CODE > 0x2032D && defined(CONFIG_DEVFS_FS))
-	psio_driver.name = "ttyd/%d";
-#else
-	psio_driver.name = "ttyD";
-#endif
-#endif	/* 1 */
-
-	psio_driver.major = TTY_MAJOR;
-	psio_driver.minor_start = 80;
-	psio_driver.name_base = 0;
-	psio_driver.num = NR_PORTS;
-	psio_driver.type = TTY_DRIVER_TYPE_SERIAL;
-
-	psio_driver.subtype = SERIAL_TYPE_NORMAL;
-	psio_driver.init_termios = tty_std_termios;
-	psio_driver.init_termios.c_cflag =
-		B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-	psio_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
-	psio_driver.refcount = &psio_refcount;
-	psio_driver.table = psio_table;
-	psio_driver.termios = psio_termios;
-	psio_driver.termios_locked = psio_termios_locked;
-
-	psio_driver.open = psio_open;
-	psio_driver.close = psio_close;
-	psio_driver.write = psio_write;
-	psio_driver.put_char = psio_put_char;
-	psio_driver.flush_chars = psio_flush_chars;
-	psio_driver.write_room = psio_write_room;
-	psio_driver.chars_in_buffer = psio_chars_in_buffer;
-	psio_driver.flush_buffer = psio_flush_buffer;
-	psio_driver.ioctl = psio_ioctl;
-	psio_driver.throttle = psio_throttle;
-	psio_driver.unthrottle = psio_unthrottle;
-	psio_driver.set_termios = psio_set_termios;
-	psio_driver.stop = psio_stop;
-	psio_driver.start = psio_start;
-	psio_driver.hangup = psio_hangup;
-
-#if (LINUX_VERSION_CODE >= 131394) /* Linux 2.1.66 */
-	psio_driver.break_ctl = psio_break;
-#endif
-#if (LINUX_VERSION_CODE >= 131343)
-	psio_driver.send_xchar = psio_send_xchar;
-	psio_driver.wait_until_sent = psio_wait_until_sent;
-	psio_driver.read_proc = psio_read_proc;
-#endif
-
-	if (tty_register_driver(&psio_driver))
-		panic("Couldn't register debug console driver\n");
-
-	for (i = 0, state = rs_table; i < NR_PORTS; i++,state++) {
-		state->magic = SSTATE_MAGIC;
-		state->line = i;
-		state->type = 14;
-		state->custom_divisor = 0;
-		state->close_delay = 5*HZ/10;
-		state->closing_wait = 30*HZ;
-		state->callout_termios = psio_driver.init_termios;
-		state->normal_termios = psio_driver.init_termios;
-		state->icount.cts = state->icount.dsr =
-			state->icount.rng = state->icount.dcd = 0;
-		state->icount.rx = state->icount.tx = 0;
-		state->icount.frame = state->icount.parity = 0;
-		state->icount.overrun = state->icount.brk = 0;
-		state->irq = irq_cannonicalize(state->irq);
-
-#if 0
-		if (check_region(state->port,8))
-			continue;
-		if (state->flags & ASYNC_BOOT_AUTOCONF)
-			autoconfig(psio_table);
-#endif
-		state->baud_base = boot_cpu_data.bus_clock;
-		printk(KERN_INFO "ttyD%d initialized.\n",i);
-	   		tty_register_devfs(&psio_driver, 0,
-						   psio_driver.minor_start + state->line);
-	}
-
-	return 0;
-}
-
-/* 20020830 */
-static void __exit psio_fini(void)
-{
-	unsigned long flags;
-	// int e1, e2;
-	int e1;
-	// int i;
-	// struct async_struct *info;
-
-	/* printk("Unloading %s: version %s\n", serial_name, serial_version); */
-	del_timer_sync(&serial_timer);
-	save_flags(flags); cli();
-		remove_bh(SERIAL_BH);
-	if ((e1 = tty_unregister_driver(&psio_driver)))
-		printk("psio_serial: failed to unregister serial driver (%d)\n",e1);
-	restore_flags(flags);
-
-	if (tmp_buf) {
-		unsigned long pg = (unsigned long) tmp_buf;
-		tmp_buf = NULL;
-		free_page(pg);
-	}
-}
-
-module_init(psio_init);
-module_exit(psio_fini);
-MODULE_DESCRIPTION("M32R/M32102 (dumb) serial driver");
-MODULE_AUTHOR("Hiroyuki Kondo <kondo.hiroyuki@xxxxxxxxxxx>, Takeo Takahashi <takahashi.takeo@xxxxxxxxxxx>");
-MODULE_LICENSE("GPL");
-
-
-/*
- * -----------------------------------------------------------
- * Debug console driver
- * -----------------------------------------------------------
- */
-
-#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
-
-static struct async_struct async_dbgcons;
-
-/*
- *  Wait for transmitter & holding register to empty
- */
-static inline void wait_for_xmitr(struct async_struct *info)
-{
-	unsigned int status, tmout = 1000000;
-
-	do {
-		status = serial_in(info, UART_LSR);
-
-		if (status & UART_LSR_BI)
-			lsr_break_flag = UART_LSR_BI;
-
-		if (--tmout == 0)
-			break;
-	} while((status & BOTH_EMPTY) != BOTH_EMPTY);
-
-	/* Wait for flow control if necessary */
-	if (info->flags & ASYNC_CONS_FLOW) {
-		tmout = 1000000;
-		while (--tmout &&
-			((serial_in(info, UART_MSR) & UART_MSR_CTS) == 0));
-	}
-}
-static void dbg_console_write(struct console *co, const char *s,
-				unsigned count)
-{
-	static struct async_struct *info = &async_dbgcons;
-	int ier;
-	unsigned i;
-
-	/*
-	 *  First save the IER then disable the interrupts
-	 */
-	ier = serial_in(info, UART_IER);
-	serial_out(info, UART_IER, 0x00);
-
-	/*
-	 *  Now, do each character
-	 */
-	for (i = 0; i < count; i++, s++) {
-		wait_for_xmitr(info);
-
-		/*
-		 *	Send the character out.
-		 *	If a LF, also do CR...
-		 */
-		serial_out(info, UART_TX, *s);
-		if (*s == 10) {
-			wait_for_xmitr(info);
-			serial_out(info, UART_TX, 13);
-		}
-	}
-
-	/*
-	 *	Finally, Wait for transmitter & holding register to empty
-	 *	and restore the IER
-	 */
-	wait_for_xmitr(info);
-	serial_out(info, UART_IER, ier);
-}
-
-#if (LINUX_VERSION_CODE <= 132114) /* Linux 2.4.18 */
-/*
- *  Receive character from the serial port
- */
-static int dbg_console_wait_key(struct console *console)
-{
-	static struct async_struct *info;
-	int ier, c;
-
-	info = &async_dbgcons;
-
-	/*
-	 *  First save the IER then disable the interrupts so
-	 *  that the real driver for the port does not get the
-	 *  character.
-	 */
-	ier = serial_in(info, UART_IER);
-	serial_out(info, UART_IER, 0x00);
-
-	while ((serial_in(info, UART_LSR) & UART_LSR_DR) == 0);
-	c = serial_in(info, UART_RX);
-
-	/*
-	 *  Restore the interrupts
-	 */
-	serial_out(info, UART_IER, ier);
-
-	return c;
-}
-#endif
-
-static kdev_t dbg_console_device(struct console *c)
-{
-	return MKDEV(TTY_MAJOR, 80 + c->index);
-}
-
-
-static int __init dbg_console_setup(struct console *co, char *options)
-{
-	static struct async_struct *info;
-	struct serial_state *state;
-	int baud = BAUDRATE;
-	int baud_base= boot_cpu_data.bus_clock;
-	int bits = 8;
-	int parity = 'n';
-	int doflow = 0;
-	unsigned int cflag = CREAD | HUPCL | CLOCAL | CRTSCTS;
-	int cval;
-	char *s;
-
-	if (options) {
-		baud = simple_strtoul(options, NULL, 10);
-		s = options;
-		while(*s >= '0' && *s <= '9')
-			s++;
-		if (*s) parity = *s++;
-		if (*s) bits   = *s++ - '0';
-		if (*s) doflow = (*s++ == 'r');
-	}
-
-	co->flags |= CON_ENABLED;
-
-	/*
-	 * 	Now construct a cflag setting.
-	 */
-	switch(baud) {
-		case 1200:
-			cflag |= B1200;
-			break;
-		case 2400:
-			cflag |= B2400;
-			break;
-		case 4800:
-			cflag |= B4800;
-			break;
-		case 19200:
-			cflag |= B19200;
-			break;
-		case 38400:
-			cflag |= B38400;
-			break;
-		case 57600:
-			cflag |= B57600;
-			break;
-		case 115200:
-			cflag |= B115200;
-			break;
-		case 9600:
-		default:
-			cflag |= B9600;
-			baud  = 9600;
-			break;
-	}
-	switch(bits) {
-		case 7:
-			cflag |= CS7;
-			break;
-		default:
-		case 8:
-			cflag |= CS8;
-			break;
-	}
-	switch(parity) {
-		case 'o': case 'O':
-			cflag |= PARODD;
-			break;
-		case 'e': case 'E':
-			cflag |= PARENB;
-			break;
-	}
-	co->cflag = cflag;
-
-	state = rs_table + co->index;
-	if (doflow)
-		state->flags |= ASYNC_CONS_FLOW;
-	info = &async_dbgcons;
-	info->magic = SERIAL_MAGIC;
-	info->state = state;
-	info->port = state->port;
-	info->flags = state->flags;
-	info->io_type = state->io_type;
-	info->iomem_base = state->iomem_base;
-	info->iomem_reg_shift = state->iomem_reg_shift;
-
-	cval = (baud_base / (baud * 4)) - 1;
-
-	serial_outp(info, UART_LCR,  0x0300);  /* init status         */
-	//serial_outp(info, UART_MOD1, 0x0800);  /* 8bit                */
-	serial_outp(info, UART_MOD0, 0x80);    /* cts/rts 1stop nonpari */
-	//serial_outp(info, UART_MOD0, 0x180);    /* rts 1stop nonpari */
-	//serial_outp(info, UART_MOD0, 0xc0);    /* cts/rts 1stop nonpari */
-
-	serial_outp(info, UART_BAUR, cval);    /* set baurate reg     */
-	//serial_outp(info, UART_RBAUR, adj);    /* set adj baurate reg */
-	serial_outp(info, UART_IER, 0x00);     /* intr mask           */
-	serial_outp(info, UART_LCR, 0x03);
-
-	return 0;
-}
-
-static struct console cons = {
-	name:		"ttyD",
-	write:		dbg_console_write,
-	device:		dbg_console_device,
-#if (LINUX_VERSION_CODE <= 132114) /* Linux 2.4.18 */
-	wait_key:	dbg_console_wait_key,
-#endif
-	setup:		dbg_console_setup,
-	flags:		CON_PRINTBUFFER,
-	index:		-1,
-};
-
-
-/*
- *	Register console.
- */
-void __init psio_console_init(void)
-{
-	register_console(&cons);
-}
-
-
-
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