1 files changed, 40 insertions, 39 deletions

diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 8249ac4..bf94a77 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -234,7 +234,7 @@ unsigned long r_alt_ser_baudrate_shadow = 0;
 
 static struct e100_serial rs_table[] = {
 	{ .baud        = DEF_BAUD,
-	  .port        = (unsigned char *)R_SERIAL0_CTRL,
+	  .ioport        = (unsigned char *)R_SERIAL0_CTRL,
 	  .irq         = 1U << 12, /* uses DMA 6 and 7 */
 	  .oclrintradr = R_DMA_CH6_CLR_INTR,
 	  .ofirstadr   = R_DMA_CH6_FIRST,
@@ -288,7 +288,7 @@ static struct e100_serial rs_table[] = {
 },  /* ttyS0 */
 #ifndef CONFIG_SVINTO_SIM
 	{ .baud        = DEF_BAUD,
-	  .port        = (unsigned char *)R_SERIAL1_CTRL,
+	  .ioport        = (unsigned char *)R_SERIAL1_CTRL,
 	  .irq         = 1U << 16, /* uses DMA 8 and 9 */
 	  .oclrintradr = R_DMA_CH8_CLR_INTR,
 	  .ofirstadr   = R_DMA_CH8_FIRST,
@@ -344,7 +344,7 @@ static struct e100_serial rs_table[] = {
 },  /* ttyS1 */
 
 	{ .baud        = DEF_BAUD,
-	  .port        = (unsigned char *)R_SERIAL2_CTRL,
+	  .ioport        = (unsigned char *)R_SERIAL2_CTRL,
 	  .irq         = 1U << 4,  /* uses DMA 2 and 3 */
 	  .oclrintradr = R_DMA_CH2_CLR_INTR,
 	  .ofirstadr   = R_DMA_CH2_FIRST,
@@ -398,7 +398,7 @@ static struct e100_serial rs_table[] = {
  },  /* ttyS2 */
 
 	{ .baud        = DEF_BAUD,
-	  .port        = (unsigned char *)R_SERIAL3_CTRL,
+	  .ioport        = (unsigned char *)R_SERIAL3_CTRL,
 	  .irq         = 1U << 8,  /* uses DMA 4 and 5 */
 	  .oclrintradr = R_DMA_CH4_CLR_INTR,
 	  .ofirstadr   = R_DMA_CH4_FIRST,
@@ -939,7 +939,7 @@ static const struct control_pins e100_modem_pins[NR_PORTS] =
 /* Output */
 #define E100_RTS_GET(info) ((info)->rx_ctrl & E100_RTS_MASK)
 /* Input */
-#define E100_CTS_GET(info) ((info)->port[REG_STATUS] & E100_CTS_MASK)
+#define E100_CTS_GET(info) ((info)->ioport[REG_STATUS] & E100_CTS_MASK)
 
 /* These are typically PA or PB and 0 means 0V, 1 means 3.3V */
 /* Is an output */
@@ -1092,7 +1092,7 @@ e100_rts(struct e100_serial *info, int set)
 	local_irq_save(flags);
 	info->rx_ctrl &= ~E100_RTS_MASK;
 	info->rx_ctrl |= (set ? 0 : E100_RTS_MASK);  /* RTS is active low */
-	info->port[REG_REC_CTRL] = info->rx_ctrl;
+	info->ioport[REG_REC_CTRL] = info->rx_ctrl;
 	local_irq_restore(flags);
 #ifdef SERIAL_DEBUG_IO
 	printk("ser%i rts %i\n", info->line, set);
@@ -1142,7 +1142,7 @@ e100_disable_rx(struct e100_serial *info)
 {
 #ifndef CONFIG_SVINTO_SIM
 	/* disable the receiver */
-	info->port[REG_REC_CTRL] =
+	info->ioport[REG_REC_CTRL] =
 		(info->rx_ctrl &= ~IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
 #endif
 }
@@ -1152,7 +1152,7 @@ e100_enable_rx(struct e100_serial *info)
 {
 #ifndef CONFIG_SVINTO_SIM
 	/* enable the receiver */
-	info->port[REG_REC_CTRL] =
+	info->ioport[REG_REC_CTRL] =
 		(info->rx_ctrl |= IO_MASK(R_SERIAL0_REC_CTRL, rec_enable));
 #endif
 }
@@ -1490,7 +1490,7 @@ rs_stop(struct tty_struct *tty)
 			xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
 		}
 
-		*((unsigned long *)&info->port[REG_XOFF]) = xoff;
+		*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 		local_irq_restore(flags);
 	}
 }
@@ -1513,7 +1513,7 @@ rs_start(struct tty_struct *tty)
 			xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
 		}
 
-		*((unsigned long *)&info->port[REG_XOFF]) = xoff;
+		*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 		if (!info->uses_dma_out &&
 		    info->xmit.head != info->xmit.tail && info->xmit.buf)
 			e100_enable_serial_tx_ready_irq(info);
@@ -1888,7 +1888,7 @@ static void receive_chars_dma(struct e100_serial *info)
 	handle_all_descr_data(info);
 
 	/* Read the status register to detect errors */
-	rstat = info->port[REG_STATUS];
+	rstat = info->ioport[REG_STATUS];
 	if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) {
 		DFLOW(DEBUG_LOG(info->line, "XOFF detect stat %x\n", rstat));
 	}
@@ -1897,7 +1897,7 @@ static void receive_chars_dma(struct e100_serial *info)
 		/* If we got an error, we must reset it by reading the
 		 * data_in field
 		 */
-		unsigned char data = info->port[REG_DATA];
+		unsigned char data = info->ioport[REG_DATA];
 
 		PROCSTAT(ser_stat[info->line].errors_cnt++);
 		DEBUG_LOG(info->line, "#dERR: s d 0x%04X\n",
@@ -2077,7 +2077,7 @@ static int force_eop_if_needed(struct e100_serial *info)
 	/* We check data_avail bit to determine if data has
 	 * arrived since last time
 	 */
-	unsigned char rstat = info->port[REG_STATUS];
+	unsigned char rstat = info->ioport[REG_STATUS];
 
 	/* error or datavail? */
 	if (rstat & SER_ERROR_MASK) {
@@ -2096,7 +2096,7 @@ static int force_eop_if_needed(struct e100_serial *info)
 		TIMERD(DEBUG_LOG(info->line, "timeout: rstat 0x%03X\n",
 		          rstat | (info->line << 8)));
 		/* Read data to clear status flags */
-		(void)info->port[REG_DATA];
+		(void)info->ioport[REG_DATA];
 
 		info->forced_eop = 0;
 		START_FLUSH_FAST_TIMER(info, "magic");
@@ -2296,7 +2296,7 @@ struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info)
 	}
 
 	/* Read data and status at the same time */
-	data_read = *((unsigned long *)&info->port[REG_DATA_STATUS32]);
+	data_read = *((unsigned long *)&info->ioport[REG_DATA_STATUS32]);
 more_data:
 	if (data_read & IO_MASK(R_SERIAL0_READ, xoff_detect) ) {
 		DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0));
@@ -2391,7 +2391,7 @@ more_data:
 
 
 	info->icount.rx++;
-	data_read = *((unsigned long *)&info->port[REG_DATA_STATUS32]);
+	data_read = *((unsigned long *)&info->ioport[REG_DATA_STATUS32]);
 	if (data_read & IO_MASK(R_SERIAL0_READ, data_avail)) {
 		DEBUG_LOG(info->line, "ser_rx   %c in loop\n", IO_EXTRACT(R_SERIAL0_READ, data_in, data_read));
 		goto more_data;
@@ -2413,7 +2413,7 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
 		return handle_ser_rx_interrupt_no_dma(info);
 	}
 	/* DMA is used */
-	rstat = info->port[REG_STATUS];
+	rstat = info->ioport[REG_STATUS];
 	if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) ) {
 		DFLOW(DEBUG_LOG(info->line, "XOFF detect\n", 0));
 	}
@@ -2426,7 +2426,7 @@ static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info)
 		/* If we got an error, we must reset it by reading the
 		 * data_in field
 		 */
-		data = info->port[REG_DATA];
+		data = info->ioport[REG_DATA];
 		DINTR1(DEBUG_LOG(info->line, "ser_rx!  %c\n", data));
 		DINTR1(DEBUG_LOG(info->line, "ser_rx err stat %02X\n", rstat));
 		if (!data && (rstat & SER_FRAMING_ERR_MASK)) {
@@ -2528,10 +2528,10 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 		unsigned char rstat;
 		DFLOW(DEBUG_LOG(info->line, "tx_int: xchar 0x%02X\n", info->x_char));
 		local_irq_save(flags);
-		rstat = info->port[REG_STATUS];
+		rstat = info->ioport[REG_STATUS];
 		DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat));
 
-		info->port[REG_TR_DATA] = info->x_char;
+		info->ioport[REG_TR_DATA] = info->x_char;
 		info->icount.tx++;
 		info->x_char = 0;
 		/* We must enable since it is disabled in ser_interrupt */
@@ -2545,7 +2545,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 		/* We only use normal tx interrupt when sending x_char */
 		DFLOW(DEBUG_LOG(info->line, "tx_int: xchar sent\n", 0));
 		local_irq_save(flags);
-		rstat = info->port[REG_STATUS];
+		rstat = info->ioport[REG_STATUS];
 		DFLOW(DEBUG_LOG(info->line, "stat %x\n", rstat));
 		e100_disable_serial_tx_ready_irq(info);
 		if (info->port.tty->stopped)
@@ -2573,7 +2573,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info)
 	DINTR2(DEBUG_LOG(info->line, "tx_int %c\n", info->xmit.buf[info->xmit.tail]));
 	/* Send a byte, rs485 timing is critical so turn of ints */
 	local_irq_save(flags);
-	info->port[REG_TR_DATA] = info->xmit.buf[info->xmit.tail];
+	info->ioport[REG_TR_DATA] = info->xmit.buf[info->xmit.tail];
 	info->xmit.tail = (info->xmit.tail + 1) & (SERIAL_XMIT_SIZE-1);
 	info->icount.tx++;
 	if (info->xmit.head == info->xmit.tail) {
@@ -2848,7 +2848,7 @@ startup(struct e100_serial * info)
 
 	/* dummy read to reset any serial errors */
 
-	(void)info->port[REG_DATA];
+	(void)info->ioport[REG_DATA];
 
 	/* enable the interrupts */
 	if (info->uses_dma_out)
@@ -2897,7 +2897,7 @@ shutdown(struct e100_serial * info)
 	/* shut down the transmitter and receiver */
 	DFLOW(DEBUG_LOG(info->line, "shutdown %i\n", info->line));
 	e100_disable_rx(info);
-	info->port[REG_TR_CTRL] = (info->tx_ctrl &= ~0x40);
+	info->ioport[REG_TR_CTRL] = (info->tx_ctrl &= ~0x40);
 
 	/* disable interrupts, reset dma channels */
 	if (info->uses_dma_in) {
@@ -2968,7 +2968,7 @@ change_speed(struct e100_serial *info)
 
 	if (!info->port.tty || !info->port.tty->termios)
 		return;
-	if (!info->port)
+	if (!info->ioport)
 		return;
 
 	cflag = info->port.tty->termios->c_cflag;
@@ -3037,7 +3037,7 @@ change_speed(struct e100_serial *info)
 
 		info->baud = cflag_to_baud(cflag);
 #ifndef CONFIG_SVINTO_SIM
-		info->port[REG_BAUD] = cflag_to_etrax_baud(cflag);
+		info->ioport[REG_BAUD] = cflag_to_etrax_baud(cflag);
 #endif /* CONFIG_SVINTO_SIM */
 	}
 
@@ -3097,8 +3097,8 @@ change_speed(struct e100_serial *info)
 
 	/* actually write the control regs to the hardware */
 
-	info->port[REG_TR_CTRL] = info->tx_ctrl;
-	info->port[REG_REC_CTRL] = info->rx_ctrl;
+	info->ioport[REG_TR_CTRL] = info->tx_ctrl;
+	info->ioport[REG_REC_CTRL] = info->rx_ctrl;
 	xoff = IO_FIELD(R_SERIAL0_XOFF, xoff_char, STOP_CHAR(info->port.tty));
 	xoff |= IO_STATE(R_SERIAL0_XOFF, tx_stop, enable);
 	if (info->port.tty->termios->c_iflag & IXON ) {
@@ -3107,7 +3107,7 @@ change_speed(struct e100_serial *info)
 		xoff |= IO_STATE(R_SERIAL0_XOFF, auto_xoff, enable);
 	}
 
-	*((unsigned long *)&info->port[REG_XOFF]) = xoff;
+	*((unsigned long *)&info->ioport[REG_XOFF]) = xoff;
 	local_irq_restore(flags);
 #endif /* !CONFIG_SVINTO_SIM */
 
@@ -3156,7 +3156,7 @@ static int rs_raw_write(struct tty_struct *tty,
 #ifdef SERIAL_DEBUG_DATA
 	if (info->line == SERIAL_DEBUG_LINE)
 		printk("rs_raw_write (%d), status %d\n",
-		       count, info->port[REG_STATUS]);
+		       count, info->ioport[REG_STATUS]);
 #endif
 
 #ifdef CONFIG_SVINTO_SIM
@@ -3427,7 +3427,7 @@ get_serial_info(struct e100_serial * info,
 	memset(&tmp, 0, sizeof(tmp));
 	tmp.type = info->type;
 	tmp.line = info->line;
-	tmp.port = (int)info->port;
+	tmp.port = (int)info->ioport;
 	tmp.irq = info->irq;
 	tmp.flags = info->flags;
 	tmp.baud_base = info->baud_base;
@@ -3557,14 +3557,14 @@ char *get_control_state_str(int MLines, char *s)
 }
 #endif
 
-static void
+static int
 rs_break(struct tty_struct *tty, int break_state)
 {
 	struct e100_serial *info = (struct e100_serial *)tty->driver_data;
 	unsigned long flags;
 
-	if (!info->port)
-		return;
+	if (!info->ioport)
+		return -EIO;
 
 	local_irq_save(flags);
 	if (break_state == -1) {
@@ -3575,8 +3575,9 @@ rs_break(struct tty_struct *tty, int break_state)
 		/* Set bit 7 (txd) and 6 (tr_enable) */
 		info->tx_ctrl |= (0x80 | 0x40);
 	}
-	info->port[REG_TR_CTRL] = info->tx_ctrl;
+	info->ioport[REG_TR_CTRL] = info->tx_ctrl;
 	local_irq_restore(flags);
+	return 0;
 }
 
 static int
@@ -4231,9 +4232,9 @@ static int line_info(char *buf, struct e100_serial *info)
 	unsigned long tmp;
 
 	ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
-		      info->line, (unsigned long)info->port, info->irq);
+		      info->line, (unsigned long)info->ioport, info->irq);
 
-	if (!info->port || (info->type == PORT_UNKNOWN)) {
+	if (!info->ioport || (info->type == PORT_UNKNOWN)) {
 		ret += sprintf(buf+ret, "\n");
 		return ret;
 	}
@@ -4281,7 +4282,7 @@ static int line_info(char *buf, struct e100_serial *info)
 	}
 
 	{
-		unsigned char rstat = info->port[REG_STATUS];
+		unsigned char rstat = info->ioport[REG_STATUS];
 		if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
 			ret += sprintf(buf+ret, " xoff_detect:1");
 	}
@@ -4502,7 +4503,7 @@ rs_init(void)
 
 		if (info->enabled) {
 			printk(KERN_INFO "%s%d at 0x%x is a builtin UART with DMA\n",
-			       serial_driver->name, info->line, (unsigned int)info->port);
+			       serial_driver->name, info->line, (unsigned int)info->ioport);
 		}
 	}
 #ifdef CONFIG_ETRAX_FAST_TIMER