1 files changed, 82 insertions, 231 deletions

diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 35ee6a2c687..d567ac5d3af 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -169,7 +169,6 @@ static int get_lsr_info(struct e100_serial *info, unsigned int *value);
 
 
 #define DEF_BAUD 115200   /* 115.2 kbit/s */
-#define STD_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
 #define DEF_RX 0x20  /* or SERIAL_CTRL_W >> 8 */
 /* Default value of tx_ctrl register: has txd(bit 7)=1 (idle) as default */
 #define DEF_TX 0x80  /* or SERIAL_CTRL_B */
@@ -246,7 +245,6 @@ static struct e100_serial rs_table[] = {
 	  .ifirstadr   = R_DMA_CH7_FIRST,
 	  .icmdadr     = R_DMA_CH7_CMD,
 	  .idescradr   = R_DMA_CH7_DESCR,
-	  .flags       = STD_FLAGS,
 	  .rx_ctrl     = DEF_RX,
 	  .tx_ctrl     = DEF_TX,
 	  .iseteop     = 2,
@@ -288,7 +286,6 @@ static struct e100_serial rs_table[] = {
 #endif
 
 },  /* ttyS0 */
-#ifndef CONFIG_SVINTO_SIM
 	{ .baud        = DEF_BAUD,
 	  .ioport        = (unsigned char *)R_SERIAL1_CTRL,
 	  .irq         = 1U << 16, /* uses DMA 8 and 9 */
@@ -300,7 +297,6 @@ static struct e100_serial rs_table[] = {
 	  .ifirstadr   = R_DMA_CH9_FIRST,
 	  .icmdadr     = R_DMA_CH9_CMD,
 	  .idescradr   = R_DMA_CH9_DESCR,
-	  .flags       = STD_FLAGS,
 	  .rx_ctrl     = DEF_RX,
 	  .tx_ctrl     = DEF_TX,
 	  .iseteop     = 3,
@@ -356,7 +352,6 @@ static struct e100_serial rs_table[] = {
 	  .ifirstadr   = R_DMA_CH3_FIRST,
 	  .icmdadr     = R_DMA_CH3_CMD,
 	  .idescradr   = R_DMA_CH3_DESCR,
-	  .flags       = STD_FLAGS,
 	  .rx_ctrl     = DEF_RX,
 	  .tx_ctrl     = DEF_TX,
 	  .iseteop     = 0,
@@ -410,7 +405,6 @@ static struct e100_serial rs_table[] = {
 	  .ifirstadr   = R_DMA_CH5_FIRST,
 	  .icmdadr     = R_DMA_CH5_CMD,
 	  .idescradr   = R_DMA_CH5_DESCR,
-	  .flags       = STD_FLAGS,
 	  .rx_ctrl     = DEF_RX,
 	  .tx_ctrl     = DEF_TX,
 	  .iseteop     = 1,
@@ -452,7 +446,6 @@ static struct e100_serial rs_table[] = {
 	  .dma_in_enabled = 0
 #endif
  }   /* ttyS3 */
-#endif
 };
 
 
@@ -1040,7 +1033,6 @@ cflag_to_etrax_baud(unsigned int cflag)
 static inline void
 e100_dtr(struct e100_serial *info, int set)
 {
-#ifndef CONFIG_SVINTO_SIM
 	unsigned char mask = e100_modem_pins[info->line].dtr_mask;
 
 #ifdef SERIAL_DEBUG_IO
@@ -1065,7 +1057,6 @@ e100_dtr(struct e100_serial *info, int set)
 	       info->line, *e100_modem_pins[info->line].dtr_shadow,
 	       E100_DTR_GET(info));
 #endif
-#endif
 }
 
 /* set = 0 means 3.3V on the pin, bitvalue: 0=active, 1=inactive
@@ -1074,7 +1065,6 @@ e100_dtr(struct e100_serial *info, int set)
 static inline void
 e100_rts(struct e100_serial *info, int set)
 {
-#ifndef CONFIG_SVINTO_SIM
 	unsigned long flags;
 	local_irq_save(flags);
 	info->rx_ctrl &= ~E100_RTS_MASK;
@@ -1084,7 +1074,6 @@ e100_rts(struct e100_serial *info, int set)
 #ifdef SERIAL_DEBUG_IO
 	printk("ser%i rts %i\n", info->line, set);
 #endif
-#endif
 }
 
 
@@ -1092,7 +1081,6 @@ e100_rts(struct e100_serial *info, int set)
 static inline void
 e100_ri_out(struct e100_serial *info, int set)
 {
-#ifndef CONFIG_SVINTO_SIM
 	/* RI is active low */
 	{
 		unsigned char mask = e100_modem_pins[info->line].ri_mask;
@@ -1104,12 +1092,10 @@ e100_ri_out(struct e100_serial *info, int set)
 		*e100_modem_pins[info->line].ri_port = *e100_modem_pins[info->line].ri_shadow;
 		local_irq_restore(flags);
 	}
-#endif
 }
 static inline void
 e100_cd_out(struct e100_serial *info, int set)
 {
-#ifndef CONFIG_SVINTO_SIM
 	/* CD is active low */
 	{
 		unsigned char mask = e100_modem_pins[info->line].cd_mask;
@@ -1121,27 +1107,22 @@ e100_cd_out(struct e100_serial *info, int set)
 		*e100_modem_pins[info->line].cd_port = *e100_modem_pins[info->line].cd_shadow;
 		local_irq_restore(flags);
 	}
-#endif
 }
 
 static inline void
 e100_disable_rx(struct e100_serial *info)
 {
-#ifndef CONFIG_SVINTO_SIM
 	/* disable the receiver */
 	info->ioport[REG_REC_CTRL] =
 		(info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
-#endif
 }
 
 static inline void
 e100_enable_rx(struct e100_serial *info)
 {
-#ifndef CONFIG_SVINTO_SIM
 	/* enable the receiver */
 	info->ioport[REG_REC_CTRL] =
 		(info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
-#endif
 }
 
 /* the rx DMA uses both the dma_descr and the dma_eop interrupts */
@@ -1559,24 +1540,6 @@ transmit_chars_dma(struct e100_serial *info)
 	unsigned int c, sentl;
 	struct etrax_dma_descr *descr;
 
-#ifdef CONFIG_SVINTO_SIM
-	/* This will output too little if tail is not 0 always since
-	 * we don't reloop to send the other part. Anyway this SHOULD be a
-	 * no-op - transmit_chars_dma would never really be called during sim
-	 * since rs_write does not write into the xmit buffer then.
-	 */
-	if (info->xmit.tail)
-		printk("Error in serial.c:transmit_chars-dma(), tail!=0\n");
-	if (info->xmit.head != info->xmit.tail) {
-		SIMCOUT(info->xmit.buf + info->xmit.tail,
-			CIRC_CNT(info->xmit.head,
-				 info->xmit.tail,
-				 SERIAL_XMIT_SIZE));
-		info->xmit.head = info->xmit.tail;  /* move back head */
-		info->tr_running = 0;
-	}
-	return;
-#endif
 	/* acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
 	*info->oclrintradr =
 		IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
@@ -1760,8 +1723,7 @@ add_char_and_flag(struct e100_serial *info, unsigned char data, unsigned char fl
 
 		info->icount.rx++;
 	} else {
-		struct tty_struct *tty = info->port.tty;
-		tty_insert_flip_char(tty, data, flag);
+		tty_insert_flip_char(&info->port, data, flag);
 		info->icount.rx++;
 	}
 
@@ -1848,13 +1810,6 @@ static void receive_chars_dma(struct e100_serial *info)
 	struct tty_struct *tty;
 	unsigned char rstat;
 
-#ifdef CONFIG_SVINTO_SIM
-	/* No receive in the simulator.  Will probably be when the rest of
-	 * the serial interface works, and this piece will just be removed.
-	 */
-	return;
-#endif
-
 	/* Acknowledge both dma_descr and dma_eop irq in R_DMA_CHx_CLR_INTR */
 	*info->iclrintradr =
 		IO_STATE(R_DMA_CH6_CLR_INTR, clr_descr, do) |
@@ -1940,12 +1895,6 @@ static int start_recv_dma(struct e100_serial *info)
 static void
 start_receive(struct e100_serial *info)
 {
-#ifdef CONFIG_SVINTO_SIM
-	/* No receive in the simulator.  Will probably be when the rest of
-	 * the serial interface works, and this piece will just be removed.
-	 */
-	return;
-#endif
 	if (info->uses_dma_in) {
 		/* reset the input dma channel to be sure it works */
 
@@ -1978,17 +1927,6 @@ tr_interrupt(int irq, void *dev_id)
 	int i;
 	int handled = 0;
 
-#ifdef CONFIG_SVINTO_SIM
-	/* No receive in the simulator.  Will probably be when the rest of
-	 * the serial interface works, and this piece will just be removed.
-	 */
-	{
-		const char *s = "What? tr_interrupt in simulator??\n";
-		SIMCOUT(s,strlen(s));
-	}
-	return IRQ_HANDLED;
-#endif
-
 	/* find out the line that caused this irq and get it from rs_table */
 
 	ireg = *R_IRQ_MASK2_RD;  /* get the active irq bits for the dma channels */
@@ -2027,17 +1965,6 @@ rec_interrupt(int irq, void *dev_id)
 	int i;
 	int handled = 0;
 
-#ifdef CONFIG_SVINTO_SIM
-	/* No receive in the simulator.  Will probably be when the rest of
-	 * the serial interface works, and this piece will just be removed.
-	 */
-	{
-		const char *s = "What? rec_interrupt in simulator??\n";
-		SIMCOUT(s,strlen(s));
-	}
-	return IRQ_HANDLED;
-#endif
-
 	/* find out the line that caused this irq and get it from rs_table */
 
 	ireg = *R_IRQ_MASK2_RD;  /* get the active irq bits for the dma channels */
@@ -2105,22 +2032,15 @@ static int force_eop_if_needed(struct e100_serial *info)
 
 static void flush_to_flip_buffer(struct e100_serial *info)
 {
-	struct tty_struct *tty;
 	struct etrax_recv_buffer *buffer;
 	unsigned long flags;
 
 	local_irq_save(flags);
-	tty = info->port.tty;
-
-	if (!tty) {
-		local_irq_restore(flags);
-		return;
-	}
 
 	while ((buffer = info->first_recv_buffer) != NULL) {
 		unsigned int count = buffer->length;
 
-		tty_insert_flip_string(tty, buffer->buffer, count);
+		tty_insert_flip_string(&info->port, buffer->buffer, count);
 		info->recv_cnt -= count;
 
 		if (count == buffer->length) {
@@ -2139,7 +2059,7 @@ static void flush_to_flip_buffer(struct e100_serial *info)
 	local_irq_restore(flags);
 
 	/* This includes a check for low-latency */
-	tty_flip_buffer_push(tty);
+	tty_flip_buffer_push(&info->port);
 }
 
 static void check_flush_timeout(struct e100_serial *info)
@@ -2166,7 +2086,7 @@ static void flush_timeout_function(unsigned long data)
 
 	fast_timers[info->line].function = NULL;
 	serial_fast_timer_expired++;
-	TIMERD(DEBUG_LOG(info->line, "flush_timout %i ", info->line));
+	TIMERD(DEBUG_LOG(info->line, "flush_timeout %i ", info->line));
 	TIMERD(DEBUG_LOG(info->line, "num expired: %i\n", serial_fast_timer_expired));
 	check_flush_timeout(info);
 }
@@ -2186,10 +2106,6 @@ timed_flush_handler(unsigned long ptr)
 	struct e100_serial *info;
 	int i;
 
-#ifdef CONFIG_SVINTO_SIM
-	return;
-#endif
-
 	for (i = 0; i < NR_PORTS; i++) {
 		info = rs_table + i;
 		if (info->uses_dma_in)
@@ -2271,16 +2187,9 @@ TODO: The break will be delayed until an F or V character is received.
 
 */
 
-static
-struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
+static void handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
 {
 	unsigned long data_read;
-	struct tty_struct *tty = info->port.tty;
-
-	if (!tty) {
-		printk("!NO TTY!\n");
-		return info;
-	}
 
 	/* Read data and status at the same time */
 	data_read = *((unsigned long *)&info->ioport[REG_DATA_STATUS32]);
@@ -2338,8 +2247,7 @@ more_data:
 					data_in, data_read);
 				char flag = TTY_NORMAL;
 				if (info->errorcode == ERRCODE_INSERT_BREAK) {
-					struct tty_struct *tty = info->port.tty;
-					tty_insert_flip_char(tty, 0, flag);
+					tty_insert_flip_char(&info->port, 0, flag);
 					info->icount.rx++;
 				}
 
@@ -2353,7 +2261,7 @@ more_data:
 					info->icount.frame++;
 					flag = TTY_FRAME;
 				}
-				tty_insert_flip_char(tty, data, flag);
+				tty_insert_flip_char(&info->port, data, flag);
 				info->errorcode = 0;
 			}
 			info->break_detected_cnt = 0;
@@ -2369,7 +2277,7 @@ more_data:
 			log_int(rdpc(), 0, 0);
 		}
 		);
-		tty_insert_flip_char(tty,
+		tty_insert_flip_char(&info->port,
 			IO_EXTRACT(R_SERIAL0_READ, data_in, data_read),
 			TTY_NORMAL);
 	} else {
@@ -2384,11 +2292,10 @@ more_data:
 		goto more_data;
 	}
 
-	tty_flip_buffer_push(info->port.tty);
-	return info;
+	tty_flip_buffer_push(&info->port);
 }
 
-static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
+static void handle_ser_rx_interrupt(struct e100_serial *info)
 {
 	unsigned char rstat;
 
@@ -2397,7 +2304,8 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
 #endif
 /*	DEBUG_LOG(info->line, "ser_interrupt stat %03X\n", rstat | (i << 8)); */
 	if (!info->uses_dma_in) {
-		return handle_ser_rx_interrupt_no_dma(info);
+		handle_ser_rx_interrupt_no_dma(info);
+		return;
 	}
 	/* DMA is used */
 	rstat = info->ioport[REG_STATUS];
@@ -2504,7 +2412,6 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
 	/* Restarting the DMA never hurts */
 	*info->icmdadr = IO_STATE(R_DMA_CH6_CMD, cmd, restart);
 	START_FLUSH_FAST_TIMER(info, "ser_int");
-	return info;
 } /* handle_ser_rx_interrupt */
 
 static void handle_ser_tx_interrupt(struct e100_serial *info)
@@ -2549,8 +2456,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 	}
 	/* Normal char-by-char interrupt */
 	if (info->xmit.head == info->xmit.tail
-	    || info->port.tty->stopped
-	    || info->port.tty->hw_stopped) {
+	    || info->port.tty->stopped) {
 		DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n",
 				info->port.tty->stopped));
 		e100_disable_serial_tx_ready_irq(info);
@@ -2737,7 +2643,7 @@ startup(struct e100_serial * info)
 
 	/* if it was already initialized, skip this */
 
-	if (info->flags & ASYNC_INITIALIZED) {
+	if (info->port.flags & ASYNC_INITIALIZED) {
 		local_irq_restore(flags);
 		free_page(xmit_page);
 		return 0;
@@ -2752,25 +2658,6 @@ startup(struct e100_serial * info)
 	printk("starting up ttyS%d (xmit_buf 0x%p)...\n", info->line, info->xmit.buf);
 #endif
 
-#ifdef CONFIG_SVINTO_SIM
-	/* Bits and pieces collected from below.  Better to have them
-	   in one ifdef:ed clause than to mix in a lot of ifdefs,
-	   right? */
-	if (info->port.tty)
-		clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
-
-	info->xmit.head = info->xmit.tail = 0;
-	info->first_recv_buffer = info->last_recv_buffer = NULL;
-	info->recv_cnt = info->max_recv_cnt = 0;
-
-	for (i = 0; i < SERIAL_RECV_DESCRIPTORS; i++)
-		info->rec_descr[i].buf = NULL;
-
-	/* No real action in the simulator, but may set info important
-	   to ioctl. */
-	change_speed(info);
-#else
-
 	/*
 	 * Clear the FIFO buffers and disable them
 	 * (they will be reenabled in change_speed())
@@ -2860,9 +2747,7 @@ startup(struct e100_serial * info)
 	e100_rts(info, 1);
 	e100_dtr(info, 1);
 
-#endif /* CONFIG_SVINTO_SIM */
-
-	info->flags |= ASYNC_INITIALIZED;
+	info->port.flags |= ASYNC_INITIALIZED;
 
 	local_irq_restore(flags);
 	return 0;
@@ -2880,7 +2765,6 @@ shutdown(struct e100_serial * info)
 	struct etrax_recv_buffer *buffer;
 	int i;
 
-#ifndef CONFIG_SVINTO_SIM
 	/* shut down the transmitter and receiver */
 	DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line));
 	e100_disable_rx(info);
@@ -2905,9 +2789,7 @@ shutdown(struct e100_serial * info)
 		info->tr_running = 0;
 	}
 
-#endif /* CONFIG_SVINTO_SIM */
-
-	if (!(info->flags & ASYNC_INITIALIZED))
+	if (!(info->port.flags & ASYNC_INITIALIZED))
 		return;
 
 #ifdef SERIAL_DEBUG_OPEN
@@ -2938,7 +2820,7 @@ shutdown(struct e100_serial * info)
 	if (info->port.tty)
 		set_bit(TTY_IO_ERROR, &info->port.tty->flags);
 
-	info->flags &= ~ASYNC_INITIALIZED;
+	info->port.flags &= ~ASYNC_INITIALIZED;
 	local_irq_restore(flags);
 }
 
@@ -2963,7 +2845,7 @@ change_speed(struct e100_serial *info)
 	/* possibly, the tx/rx should be disabled first to do this safely */
 
 	/* change baud-rate and write it to the hardware */
-	if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) {
+	if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) {
 		/* Special baudrate */
 		u32 mask = 0xFF << (info->line*8); /* Each port has 8 bits */
 		unsigned long alt_source =
@@ -3018,17 +2900,12 @@ change_speed(struct e100_serial *info)
 			IO_STATE(R_ALT_SER_BAUDRATE, ser0_tr, normal);
 		r_alt_ser_baudrate_shadow &= ~mask;
 		r_alt_ser_baudrate_shadow |= (alt_source << (info->line*8));
-#ifndef CONFIG_SVINTO_SIM
 		*R_ALT_SER_BAUDRATE = r_alt_ser_baudrate_shadow;
-#endif /* CONFIG_SVINTO_SIM */
 
 		info->baud = cflag_to_baud(cflag);
-#ifndef CONFIG_SVINTO_SIM
 		info->ioport[REG_BAUD] = cflag_to_etrax_baud(cflag);
-#endif /* CONFIG_SVINTO_SIM */
 	}
 
-#ifndef CONFIG_SVINTO_SIM
 	/* start with default settings and then fill in changes */
 	local_irq_save(flags);
 	/* 8 bit, no/even parity */
@@ -3096,7 +2973,6 @@ change_speed(struct e100_serial *info)
 
 	*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 	local_irq_restore(flags);
-#endif /* !CONFIG_SVINTO_SIM */
 
 	update_char_time(info);
 
@@ -3113,7 +2989,6 @@ rs_flush_chars(struct tty_struct *tty)
 	if (info->tr_running ||
 	    info->xmit.head == info->xmit.tail ||
 	    tty->stopped ||
-	    tty->hw_stopped ||
 	    !info->xmit.buf)
 		return;
 
@@ -3137,7 +3012,7 @@ static int rs_raw_write(struct tty_struct *tty,
 
 	/* first some sanity checks */
 
-	if (!tty || !info->xmit.buf)
+	if (!info->xmit.buf)
 		return 0;
 
 #ifdef SERIAL_DEBUG_DATA
@@ -3146,11 +3021,6 @@ static int rs_raw_write(struct tty_struct *tty,
 		       count, info->ioport[REG_STATUS]);
 #endif
 
-#ifdef CONFIG_SVINTO_SIM
-	/* Really simple.  The output is here and now. */
-	SIMCOUT(buf, count);
-	return count;
-#endif
 	local_save_flags(flags);
 	DFLOW(DEBUG_LOG(info->line, "write count %i ", count));
 	DFLOW(DEBUG_LOG(info->line, "ldisc %i\n", tty->ldisc.chars_in_buffer(tty)));
@@ -3191,7 +3061,6 @@ static int rs_raw_write(struct tty_struct *tty,
 
 	if (info->xmit.head != info->xmit.tail &&
 	    !tty->stopped &&
-	    !tty->hw_stopped &&
 	    !info->tr_running) {
 		start_transmit(info);
 	}
@@ -3415,10 +3284,10 @@ get_serial_info(struct e100_serial * info,
 	tmp.line = info->line;
 	tmp.port = (int)info->ioport;
 	tmp.irq = info->irq;
-	tmp.flags = info->flags;
+	tmp.flags = info->port.flags;
 	tmp.baud_base = info->baud_base;
-	tmp.close_delay = info->close_delay;
-	tmp.closing_wait = info->closing_wait;
+	tmp.close_delay = info->port.close_delay;
+	tmp.closing_wait = info->port.closing_wait;
 	tmp.custom_divisor = info->custom_divisor;
 	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
 		return -EFAULT;
@@ -3440,16 +3309,16 @@ set_serial_info(struct e100_serial *info,
 
 	if (!capable(CAP_SYS_ADMIN)) {
 		if ((new_serial.type != info->type) ||
-		    (new_serial.close_delay != info->close_delay) ||
+		    (new_serial.close_delay != info->port.close_delay) ||
 		    ((new_serial.flags & ~ASYNC_USR_MASK) !=
-		     (info->flags & ~ASYNC_USR_MASK)))
+		     (info->port.flags & ~ASYNC_USR_MASK)))
 			return -EPERM;
-		info->flags = ((info->flags & ~ASYNC_USR_MASK) |
+		info->port.flags = ((info->port.flags & ~ASYNC_USR_MASK) |
 			       (new_serial.flags & ASYNC_USR_MASK));
 		goto check_and_exit;
 	}
 
-	if (info->count > 1)
+	if (info->port.count > 1)
 		return -EBUSY;
 
 	/*
@@ -3458,16 +3327,16 @@ set_serial_info(struct e100_serial *info,
 	 */
 
 	info->baud_base = new_serial.baud_base;
-	info->flags = ((info->flags & ~ASYNC_FLAGS) |
+	info->port.flags = ((info->port.flags & ~ASYNC_FLAGS) |
 		       (new_serial.flags & ASYNC_FLAGS));
 	info->custom_divisor = new_serial.custom_divisor;
 	info->type = new_serial.type;
-	info->close_delay = new_serial.close_delay;
-	info->closing_wait = new_serial.closing_wait;
-	info->port.tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+	info->port.close_delay = new_serial.close_delay;
+	info->port.closing_wait = new_serial.closing_wait;
+	info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 
  check_and_exit:
-	if (info->flags & ASYNC_INITIALIZED) {
+	if (info->port.flags & ASYNC_INITIALIZED) {
 		change_speed(info);
 	} else
 		retval = startup(info);
@@ -3488,7 +3357,6 @@ static int
 get_lsr_info(struct e100_serial * info, unsigned int *value)
 {
 	unsigned int result = TIOCSER_TEMT;
-#ifndef CONFIG_SVINTO_SIM
 	unsigned long curr_time = jiffies;
 	unsigned long curr_time_usec = GET_JIFFIES_USEC();
 	unsigned long elapsed_usec =
@@ -3499,7 +3367,6 @@ get_lsr_info(struct e100_serial * info, unsigned int *value)
 	    elapsed_usec < 2*info->char_time_usec) {
 		result = 0;
 	}
-#endif
 
 	if (copy_to_user(value, &result, sizeof(int)))
 		return -EFAULT;
@@ -3748,10 +3615,8 @@ rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
 
 	/* Handle turning off CRTSCTS */
 	if ((old_termios->c_cflag & CRTSCTS) &&
-	    !(tty->termios.c_cflag & CRTSCTS)) {
-		tty->hw_stopped = 0;
+	    !(tty->termios.c_cflag & CRTSCTS))
 		rs_start(tty);
-	}
 
 }
 
@@ -3787,7 +3652,7 @@ rs_close(struct tty_struct *tty, struct file * filp)
 	printk("[%d] rs_close ttyS%d, count = %d\n", current->pid,
 	       info->line, info->count);
 #endif
-	if ((tty->count == 1) && (info->count != 1)) {
+	if ((tty->count == 1) && (info->port.count != 1)) {
 		/*
 		 * Uh, oh.  tty->count is 1, which means that the tty
 		 * structure will be freed.  Info->count should always
@@ -3797,32 +3662,32 @@ rs_close(struct tty_struct *tty, struct file * filp)
 		 */
 		printk(KERN_ERR
 		       "rs_close: bad serial port count; tty->count is 1, "
-		       "info->count is %d\n", info->count);
-		info->count = 1;
+		       "info->count is %d\n", info->port.count);
+		info->port.count = 1;
 	}
-	if (--info->count < 0) {
+	if (--info->port.count < 0) {
 		printk(KERN_ERR "rs_close: bad serial port count for ttyS%d: %d\n",
-		       info->line, info->count);
-		info->count = 0;
+		       info->line, info->port.count);
+		info->port.count = 0;
 	}
-	if (info->count) {
+	if (info->port.count) {
 		local_irq_restore(flags);
 		return;
 	}
-	info->flags |= ASYNC_CLOSING;
+	info->port.flags |= ASYNC_CLOSING;
 	/*
 	 * Save the termios structure, since this port may have
 	 * separate termios for callout and dialin.
 	 */
-	if (info->flags & ASYNC_NORMAL_ACTIVE)
+	if (info->port.flags & ASYNC_NORMAL_ACTIVE)
 		info->normal_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);
+	if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE)
+		tty_wait_until_sent(tty, info->port.closing_wait);
 	/*
 	 * At this point we stop accepting input.  To do this, we
 	 * disable the serial receiver and the DMA receive interrupt.
@@ -3831,11 +3696,10 @@ rs_close(struct tty_struct *tty, struct file * filp)
 	e100_disable_serial_data_irq(info);
 #endif
 
-#ifndef CONFIG_SVINTO_SIM
 	e100_disable_rx(info);
 	e100_disable_rx_irq(info);
 
-	if (info->flags & ASYNC_INITIALIZED) {
+	if (info->port.flags & ASYNC_INITIALIZED) {
 		/*
 		 * Before we drop DTR, make sure the UART transmitter
 		 * has completely drained; this is especially
@@ -3843,7 +3707,6 @@ rs_close(struct tty_struct *tty, struct file * filp)
 		 */
 		rs_wait_until_sent(tty, HZ);
 	}
-#endif
 
 	shutdown(info);
 	rs_flush_buffer(tty);
@@ -3851,13 +3714,13 @@ rs_close(struct tty_struct *tty, struct file * filp)
 	tty->closing = 0;
 	info->event = 0;
 	info->port.tty = NULL;
-	if (info->blocked_open) {
-		if (info->close_delay)
-			schedule_timeout_interruptible(info->close_delay);
-		wake_up_interruptible(&info->open_wait);
+	if (info->port.blocked_open) {
+		if (info->port.close_delay)
+			schedule_timeout_interruptible(info->port.close_delay);
+		wake_up_interruptible(&info->port.open_wait);
 	}
-	info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
-	wake_up_interruptible(&info->close_wait);
+	info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
+	wake_up_interruptible(&info->port.close_wait);
 	local_irq_restore(flags);
 
 	/* port closed */
@@ -3950,10 +3813,10 @@ rs_hangup(struct tty_struct *tty)
 	rs_flush_buffer(tty);
 	shutdown(info);
 	info->event = 0;
-	info->count = 0;
-	info->flags &= ~ASYNC_NORMAL_ACTIVE;
+	info->port.count = 0;
+	info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
 	info->port.tty = NULL;
-	wake_up_interruptible(&info->open_wait);
+	wake_up_interruptible(&info->port.open_wait);
 }
 
 /*
@@ -3975,11 +3838,11 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 	 * until it's done, and then try again.
 	 */
 	if (tty_hung_up_p(filp) ||
-	    (info->flags & ASYNC_CLOSING)) {
-		wait_event_interruptible_tty(tty, info->close_wait,
-			!(info->flags & ASYNC_CLOSING));
+	    (info->port.flags & ASYNC_CLOSING)) {
+		wait_event_interruptible_tty(tty, info->port.close_wait,
+			!(info->port.flags & ASYNC_CLOSING));
 #ifdef SERIAL_DO_RESTART
-		if (info->flags & ASYNC_HUP_NOTIFY)
+		if (info->port.flags & ASYNC_HUP_NOTIFY)
 			return -EAGAIN;
 		else
 			return -ERESTARTSYS;
@@ -3994,7 +3857,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 	 */
 	if ((filp->f_flags & O_NONBLOCK) ||
 	    (tty->flags & (1 << TTY_IO_ERROR))) {
-		info->flags |= ASYNC_NORMAL_ACTIVE;
+		info->port.flags |= ASYNC_NORMAL_ACTIVE;
 		return 0;
 	}
 
@@ -4005,23 +3868,23 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 	/*
 	 * 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, info->count is dropped by one, so that
+	 * this loop, info->port.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);
+	add_wait_queue(&info->port.open_wait, &wait);
 #ifdef SERIAL_DEBUG_OPEN
 	printk("block_til_ready before block: ttyS%d, count = %d\n",
-	       info->line, info->count);
+	       info->line, info->port.count);
 #endif
 	local_irq_save(flags);
 	if (!tty_hung_up_p(filp)) {
 		extra_count++;
-		info->count--;
+		info->port.count--;
 	}
 	local_irq_restore(flags);
-	info->blocked_open++;
+	info->port.blocked_open++;
 	while (1) {
 		local_irq_save(flags);
 		/* assert RTS and DTR */
@@ -4030,9 +3893,9 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 		local_irq_restore(flags);
 		set_current_state(TASK_INTERRUPTIBLE);
 		if (tty_hung_up_p(filp) ||
-		    !(info->flags & ASYNC_INITIALIZED)) {
+		    !(info->port.flags & ASYNC_INITIALIZED)) {
 #ifdef SERIAL_DO_RESTART
-			if (info->flags & ASYNC_HUP_NOTIFY)
+			if (info->port.flags & ASYNC_HUP_NOTIFY)
 				retval = -EAGAIN;
 			else
 				retval = -ERESTARTSYS;
@@ -4041,7 +3904,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 #endif
 			break;
 		}
-		if (!(info->flags & ASYNC_CLOSING) && do_clocal)
+		if (!(info->port.flags & ASYNC_CLOSING) && do_clocal)
 			/* && (do_clocal || DCD_IS_ASSERTED) */
 			break;
 		if (signal_pending(current)) {
@@ -4050,24 +3913,24 @@ block_til_ready(struct tty_struct *tty, struct file * filp,
 		}
 #ifdef SERIAL_DEBUG_OPEN
 		printk("block_til_ready blocking: ttyS%d, count = %d\n",
-		       info->line, info->count);
+		       info->line, info->port.count);
 #endif
 		tty_unlock(tty);
 		schedule();
 		tty_lock(tty);
 	}
 	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&info->open_wait, &wait);
+	remove_wait_queue(&info->port.open_wait, &wait);
 	if (extra_count)
-		info->count++;
-	info->blocked_open--;
+		info->port.count++;
+	info->port.blocked_open--;
 #ifdef SERIAL_DEBUG_OPEN
 	printk("block_til_ready after blocking: ttyS%d, count = %d\n",
-	       info->line, info->count);
+	       info->line, info->port.count);
 #endif
 	if (retval)
 		return retval;
-	info->flags |= ASYNC_NORMAL_ACTIVE;
+	info->port.flags |= ASYNC_NORMAL_ACTIVE;
 	return 0;
 }
 
@@ -4101,24 +3964,24 @@ rs_open(struct tty_struct *tty, struct file * filp)
 
 #ifdef SERIAL_DEBUG_OPEN
         printk("[%d] rs_open %s, count = %d\n", current->pid, tty->name,
- 	       info->count);
+ 	       info->port.count);
 #endif
 
-	info->count++;
+	info->port.count++;
 	tty->driver_data = info;
 	info->port.tty = tty;
 
-	tty->low_latency = !!(info->flags & ASYNC_LOW_LATENCY);
+	info->port.low_latency = !!(info->port.flags & ASYNC_LOW_LATENCY);
 
 	/*
 	 * If the port is in the middle of closing, bail out now
 	 */
 	if (tty_hung_up_p(filp) ||
-	    (info->flags & ASYNC_CLOSING)) {
-		wait_event_interruptible_tty(tty, info->close_wait,
-			!(info->flags & ASYNC_CLOSING));
+	    (info->port.flags & ASYNC_CLOSING)) {
+		wait_event_interruptible_tty(tty, info->port.close_wait,
+			!(info->port.flags & ASYNC_CLOSING));
 #ifdef SERIAL_DO_RESTART
-		return ((info->flags & ASYNC_HUP_NOTIFY) ?
+		return ((info->port.flags & ASYNC_HUP_NOTIFY) ?
 			-EAGAIN : -ERESTARTSYS);
 #else
 		return -EAGAIN;
@@ -4128,7 +3991,7 @@ rs_open(struct tty_struct *tty, struct file * filp)
 	/*
 	 * If DMA is enabled try to allocate the irq's.
 	 */
-	if (info->count == 1) {
+	if (info->port.count == 1) {
 		allocated_resources = 1;
 		if (info->dma_in_enabled) {
 			if (request_irq(info->dma_in_irq_nbr,
@@ -4201,7 +4064,7 @@ rs_open(struct tty_struct *tty, struct file * filp)
 		if (allocated_resources)
 			deinit_port(info);
 
-		/* FIXME Decrease count info->count here too? */
+		/* FIXME Decrease count info->port.count here too? */
 		return retval;
 	}
 
@@ -4218,7 +4081,7 @@ rs_open(struct tty_struct *tty, struct file * filp)
 		return retval;
 	}
 
-	if ((info->count == 1) && (info->flags & ASYNC_SPLIT_TERMIOS)) {
+	if ((info->port.count == 1) && (info->port.flags & ASYNC_SPLIT_TERMIOS)) {
 		tty->termios = info->normal_termios;
 		change_speed(info);
 	}
@@ -4271,9 +4134,6 @@ static void seq_line_info(struct seq_file *m, struct e100_serial *info)
 		if (info->port.tty->stopped)
 			seq_printf(m, " stopped:%i",
 				   (int)info->port.tty->stopped);
-		if (info->port.tty->hw_stopped)
-			seq_printf(m, " hw_stopped:%i",
-				   (int)info->port.tty->hw_stopped);
 	}
 
 	{
@@ -4470,16 +4330,9 @@ static int __init rs_init(void)
 		info->forced_eop = 0;
 		info->baud_base = DEF_BAUD_BASE;
 		info->custom_divisor = 0;
-		info->flags = 0;
-		info->close_delay = 5*HZ/10;
-		info->closing_wait = 30*HZ;
 		info->x_char = 0;
 		info->event = 0;
-		info->count = 0;
-		info->blocked_open = 0;
 		info->normal_termios = driver->init_termios;
-		init_waitqueue_head(&info->open_wait);
-		init_waitqueue_head(&info->close_wait);
 		info->xmit.buf = NULL;
 		info->xmit.tail = info->xmit.head = 0;
 		info->first_recv_buffer = info->last_recv_buffer = NULL;
@@ -4516,7 +4369,6 @@ static int __init rs_init(void)
 	fast_timer_init();
 #endif
 
-#ifndef CONFIG_SVINTO_SIM
 #ifndef CONFIG_ETRAX_KGDB
 	/* Not needed in simulator.  May only complicate stuff. */
 	/* hook the irq's for DMA channel 6 and 7, serial output and input, and some more... */
@@ -4526,7 +4378,6 @@ static int __init rs_init(void)
 		panic("%s: Failed to request irq8", __func__);
 
 #endif
-#endif /* CONFIG_SVINTO_SIM */
 
 	return 0;
 }