diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index d2bcd1f87cd6..1891cf5bdeef 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -296,7 +296,7 @@ static inline int map_8250_out_reg(struct uart_8250_port *up, int offset)
 
 #endif
 
-static _INLINE_ unsigned int serial_in(struct uart_8250_port *up, int offset)
+static unsigned int serial_in(struct uart_8250_port *up, int offset)
 {
 	offset = map_8250_in_reg(up, offset) << up->port.regshift;
 
@@ -321,7 +321,7 @@ static _INLINE_ unsigned int serial_in(struct uart_8250_port *up, int offset)
 	}
 }
 
-static _INLINE_ void
+static void
 serial_out(struct uart_8250_port *up, int offset, int value)
 {
 	offset = map_8250_out_reg(up, offset) << up->port.regshift;
@@ -1131,7 +1131,7 @@ static void serial8250_enable_ms(struct uart_port *port)
 	serial_out(up, UART_IER, up->ier);
 }
 
-static _INLINE_ void
+static void
 receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs)
 {
 	struct tty_struct *tty = up->port.info->tty;
@@ -1217,7 +1217,7 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs)
 	*status = lsr;
 }
 
-static _INLINE_ void transmit_chars(struct uart_8250_port *up)
+static void transmit_chars(struct uart_8250_port *up)
 {
 	struct circ_buf *xmit = &up->port.info->xmit;
 	int count;
@@ -1255,25 +1255,24 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up)
 		__stop_tx(up);
 }
 
-static _INLINE_ void check_modem_status(struct uart_8250_port *up)
+static unsigned int check_modem_status(struct uart_8250_port *up)
 {
-	int status;
+	unsigned int status = serial_in(up, UART_MSR);
 
-	status = serial_in(up, UART_MSR);
+	if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI) {
+		if (status & UART_MSR_TERI)
+			up->port.icount.rng++;
+		if (status & UART_MSR_DDSR)
+			up->port.icount.dsr++;
+		if (status & UART_MSR_DDCD)
+			uart_handle_dcd_change(&up->port, status & UART_MSR_DCD);
+		if (status & UART_MSR_DCTS)
+			uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
 
-	if ((status & UART_MSR_ANY_DELTA) == 0)
-		return;
+		wake_up_interruptible(&up->port.info->delta_msr_wait);
+	}
 
-	if (status & UART_MSR_TERI)
-		up->port.icount.rng++;
-	if (status & UART_MSR_DDSR)
-		up->port.icount.dsr++;
-	if (status & UART_MSR_DDCD)
-		uart_handle_dcd_change(&up->port, status & UART_MSR_DCD);
-	if (status & UART_MSR_DCTS)
-		uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
-
-	wake_up_interruptible(&up->port.info->delta_msr_wait);
+	return status;
 }
 
 /*
@@ -1282,7 +1281,11 @@ static _INLINE_ void check_modem_status(struct uart_8250_port *up)
 static inline void
 serial8250_handle_port(struct uart_8250_port *up, struct pt_regs *regs)
 {
-	unsigned int status = serial_inp(up, UART_LSR);
+	unsigned int status;
+
+	spin_lock(&up->port.lock);
+
+	status = serial_inp(up, UART_LSR);
 
 	DEBUG_INTR("status = %x...", status);
 
@@ -1291,6 +1294,8 @@ serial8250_handle_port(struct uart_8250_port *up, struct pt_regs *regs)
 	check_modem_status(up);
 	if (status & UART_LSR_THRE)
 		transmit_chars(up);
+
+	spin_unlock(&up->port.lock);
 }
 
 /*
@@ -1326,9 +1331,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id, struct pt_regs *r
 
 		iir = serial_in(up, UART_IIR);
 		if (!(iir & UART_IIR_NO_INT)) {
-			spin_lock(&up->port.lock);
 			serial8250_handle_port(up, regs);
-			spin_unlock(&up->port.lock);
 
 			handled = 1;
 
@@ -1427,11 +1430,8 @@ static void serial8250_timeout(unsigned long data)
 	unsigned int iir;
 
 	iir = serial_in(up, UART_IIR);
-	if (!(iir & UART_IIR_NO_INT)) {
-		spin_lock(&up->port.lock);
+	if (!(iir & UART_IIR_NO_INT))
 		serial8250_handle_port(up, NULL);
-		spin_unlock(&up->port.lock);
-	}
 
 	timeout = up->port.timeout;
 	timeout = timeout > 6 ? (timeout / 2 - 2) : 1;
@@ -1454,10 +1454,10 @@ static unsigned int serial8250_tx_empty(struct uart_port *port)
 static unsigned int serial8250_get_mctrl(struct uart_port *port)
 {
 	struct uart_8250_port *up = (struct uart_8250_port *)port;
-	unsigned char status;
+	unsigned int status;
 	unsigned int ret;
 
-	status = serial_in(up, UART_MSR);
+	status = check_modem_status(up);
 
 	ret = 0;
 	if (status & UART_MSR_DCD)
@@ -2300,9 +2300,7 @@ static int __init find_port(struct uart_port *p)
 
 	for (line = 0; line < UART_NR; line++) {
 		port = &serial8250_ports[line].port;
-		if (p->iotype == port->iotype &&
-		    p->iobase == port->iobase &&
-		    p->membase == port->membase)
+		if (uart_match_port(p, port))
 			return line;
 	}
 	return -ENODEV;
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index a607b98016db..490606b87095 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -51,12 +51,6 @@ struct serial8250_config {
 #define UART_BUG_TXEN	(1 << 1)	/* UART has buggy TX IIR status */
 #define UART_BUG_NOMSR	(1 << 2)	/* UART has buggy MSR status bits (Au1x00) */
 
-#if defined(__i386__) && (defined(CONFIG_M386) || defined(CONFIG_M486))
-#define _INLINE_ inline
-#else
-#define _INLINE_
-#endif
-
 #define PROBE_RSA	(1 << 0)
 #define PROBE_ANY	(~0)
 
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 8adca0ce267f..589fb076654a 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -837,8 +837,8 @@ static struct pci_serial_quirk *find_quirk(struct pci_dev *dev)
 	return quirk;
 }
 
-static _INLINE_ int
-get_pci_irq(struct pci_dev *dev, struct pciserial_board *board)
+static inline int get_pci_irq(struct pci_dev *dev,
+				struct pciserial_board *board)
 {
 	if (board->flags & FL_NOIRQ)
 		return 0;
@@ -853,14 +853,15 @@ get_pci_irq(struct pci_dev *dev, struct pciserial_board *board)
  * driver_data member.
  *
  * The makeup of these names are:
- *  pbn_bn{_bt}_n_baud
+ *  pbn_bn{_bt}_n_baud{_offsetinhex}
  *
- *  bn   = PCI BAR number
- *  bt   = Index using PCI BARs
- *  n    = number of serial ports
- *  baud = baud rate
+ *  bn		= PCI BAR number
+ *  bt		= Index using PCI BARs
+ *  n		= number of serial ports
+ *  baud	= baud rate
+ *  offsetinhex	= offset for each sequential port (in hex)
  *
- * This table is sorted by (in order): baud, bt, bn, n.
+ * This table is sorted by (in order): bn, bt, baud, offsetindex, n.
  *
  * Please note: in theory if n = 1, _bt infix should make no difference.
  * ie, pbn_b0_1_115200 is the same as pbn_b0_bt_1_115200
@@ -881,6 +882,13 @@ enum pci_board_num_t {
 
 	pbn_b0_4_1152000,
 
+	pbn_b0_2_1843200,
+	pbn_b0_4_1843200,
+
+	pbn_b0_2_1843200_200,
+	pbn_b0_4_1843200_200,
+	pbn_b0_8_1843200_200,
+
 	pbn_b0_bt_1_115200,
 	pbn_b0_bt_2_115200,
 	pbn_b0_bt_8_115200,
@@ -904,6 +912,8 @@ enum pci_board_num_t {
 	pbn_b1_4_921600,
 	pbn_b1_8_921600,
 
+	pbn_b1_2_1250000,
+
 	pbn_b1_bt_2_921600,
 
 	pbn_b1_1_1382400,
@@ -1029,6 +1039,38 @@ static struct pciserial_board pci_boards[] __devinitdata = {
 		.uart_offset	= 8,
 	},
 
+	[pbn_b0_2_1843200] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 2,
+		.base_baud	= 1843200,
+		.uart_offset	= 8,
+	},
+	[pbn_b0_4_1843200] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 4,
+		.base_baud	= 1843200,
+		.uart_offset	= 8,
+	},
+
+	[pbn_b0_2_1843200_200] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 2,
+		.base_baud	= 1843200,
+		.uart_offset	= 0x200,
+	},
+	[pbn_b0_4_1843200_200] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 4,
+		.base_baud	= 1843200,
+		.uart_offset	= 0x200,
+	},
+	[pbn_b0_8_1843200_200] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 8,
+		.base_baud	= 1843200,
+		.uart_offset	= 0x200,
+	},
+
 	[pbn_b0_bt_1_115200] = {
 		.flags		= FL_BASE0|FL_BASE_BARS,
 		.num_ports	= 1,
@@ -1141,6 +1183,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
 		.base_baud	= 921600,
 		.uart_offset	= 8,
 	},
+	[pbn_b1_2_1250000] = {
+		.flags		= FL_BASE1,
+		.num_ports	= 2,
+		.base_baud	= 1250000,
+		.uart_offset	= 8,
+	},
 
 	[pbn_b1_bt_2_921600] = {
 		.flags		= FL_BASE1|FL_BASE_BARS,
@@ -1801,6 +1849,66 @@ static struct pci_device_id serial_pci_tbl[] = {
 		PCI_SUBVENDOR_ID_CONNECT_TECH,
 		PCI_SUBDEVICE_ID_CONNECT_TECH_BH041101V1, 0, 0,
 		pbn_b1_4_921600 },
+	{	PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V351,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_BH2_20MHZ, 0, 0,
+		pbn_b1_2_1250000 },
+	{	PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI954,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_TITAN_2, 0, 0,
+		pbn_b0_2_1843200 },
+	{	PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI954,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_TITAN_4, 0, 0,
+		pbn_b0_4_1843200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_232, 0, 0,
+		pbn_b0_2_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C154,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_232, 0, 0,
+		pbn_b0_4_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C158,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_232, 0, 0,
+		pbn_b0_8_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_1_1, 0, 0,
+		pbn_b0_2_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C154,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_2, 0, 0,
+		pbn_b0_4_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C158,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4, 0, 0,
+		pbn_b0_8_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2, 0, 0,
+		pbn_b0_2_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C154,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4, 0, 0,
+		pbn_b0_4_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C158,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8, 0, 0,
+		pbn_b0_8_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_485, 0, 0,
+		pbn_b0_2_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C154,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_485, 0, 0,
+		pbn_b0_4_1843200_200 },
+	{	PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C158,
+		PCI_SUBVENDOR_ID_CONNECT_TECH,
+		PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_485, 0, 0,
+		pbn_b0_8_1843200_200 },
 
 	{	PCI_VENDOR_ID_SEALEVEL, PCI_DEVICE_ID_SEALEVEL_U530,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index c17d680e3f04..34c576dfad8d 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2307,7 +2307,7 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2)
 		return (port1->iobase == port2->iobase) &&
 		       (port1->hub6   == port2->hub6);
 	case UPIO_MEM:
-		return (port1->membase == port2->membase);
+		return (port1->mapbase == port2->mapbase);
 	}
 	return 0;
 }
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index a213e999de31..c3caa93efb10 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1583,6 +1583,23 @@
 #define PCI_SUBDEVICE_ID_CONNECT_TECH_BH8_485_2_6	0x0009
 #define PCI_SUBDEVICE_ID_CONNECT_TECH_BH081101V1	0x000A
 #define PCI_SUBDEVICE_ID_CONNECT_TECH_BH041101V1	0x000B
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_BH2_20MHZ		0x000C
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_BH2_PTM		0x000D
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_NT960PCI		0x0100
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_TITAN_2		0x0201
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_TITAN_4		0x0202
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_232	0x0300
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_232	0x0301
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_232	0x0302
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_1_1	0x0310
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_2	0x0311
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_4	0x0312
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2	0x0320
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4	0x0321
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8	0x0322
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_2_485	0x0330
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_4_485	0x0331
+#define PCI_SUBDEVICE_ID_CONNECT_TECH_PCI_UART_8_485	0x0332
 
 
 #define PCI_VENDOR_ID_NVIDIA_SGS	0x12d2