Merge /spare/repo/linux-2.6/

4 files changed, 181 insertions, 300 deletions

diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 07f05e9d095..0e21f583690 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -34,36 +34,6 @@
 #undef SERIAL_DEBUG_PCI
 
 /*
- * Definitions for PCI support.
- */
-#define FL_BASE_MASK		0x0007
-#define FL_BASE0		0x0000
-#define FL_BASE1		0x0001
-#define FL_BASE2		0x0002
-#define FL_BASE3		0x0003
-#define FL_BASE4		0x0004
-#define FL_GET_BASE(x)		(x & FL_BASE_MASK)
-
-/* Use successive BARs (PCI base address registers),
-   else use offset into some specified BAR */
-#define FL_BASE_BARS		0x0008
-
-/* do not assign an irq */
-#define FL_NOIRQ		0x0080
-
-/* Use the Base address register size to cap number of ports */
-#define FL_REGION_SZ_CAP	0x0100
-
-struct pci_board {
-	unsigned int flags;
-	unsigned int num_ports;
-	unsigned int base_baud;
-	unsigned int uart_offset;
-	unsigned int reg_shift;
-	unsigned int first_offset;
-};
-
-/*
  * init function returns:
  *  > 0 - number of ports
  *  = 0 - use board->num_ports
@@ -75,14 +45,15 @@ struct pci_serial_quirk {
 	u32	subvendor;
 	u32	subdevice;
 	int	(*init)(struct pci_dev *dev);
-	int	(*setup)(struct pci_dev *dev, struct pci_board *board,
-			 struct uart_port *port, int idx);
+	int	(*setup)(struct serial_private *, struct pciserial_board *,
+			 struct uart_port *, int);
 	void	(*exit)(struct pci_dev *dev);
 };
 
 #define PCI_NUM_BAR_RESOURCES	6
 
 struct serial_private {
+	struct pci_dev		*dev;
 	unsigned int		nr;
 	void __iomem		*remapped_bar[PCI_NUM_BAR_RESOURCES];
 	struct pci_serial_quirk	*quirk;
@@ -101,17 +72,18 @@ static void moan_device(const char *str, struct pci_dev *dev)
 }
 
 static int
-setup_port(struct pci_dev *dev, struct uart_port *port,
+setup_port(struct serial_private *priv, struct uart_port *port,
 	   int bar, int offset, int regshift)
 {
-	struct serial_private *priv = pci_get_drvdata(dev);
+	struct pci_dev *dev = priv->dev;
 	unsigned long base, len;
 
 	if (bar >= PCI_NUM_BAR_RESOURCES)
 		return -EINVAL;
 
+	base = pci_resource_start(dev, bar);
+
 	if (pci_resource_flags(dev, bar) & IORESOURCE_MEM) {
-		base = pci_resource_start(dev, bar);
 		len =  pci_resource_len(dev, bar);
 
 		if (!priv->remapped_bar[bar])
@@ -120,13 +92,16 @@ setup_port(struct pci_dev *dev, struct uart_port *port,
 			return -ENOMEM;
 
 		port->iotype = UPIO_MEM;
+		port->iobase = 0;
 		port->mapbase = base + offset;
 		port->membase = priv->remapped_bar[bar] + offset;
 		port->regshift = regshift;
 	} else {
-		base = pci_resource_start(dev, bar) + offset;
 		port->iotype = UPIO_PORT;
-		port->iobase = base;
+		port->iobase = base + offset;
+		port->mapbase = 0;
+		port->membase = NULL;
+		port->regshift = 0;
 	}
 	return 0;
 }
@@ -136,7 +111,7 @@ setup_port(struct pci_dev *dev, struct uart_port *port,
  * Not that ugly ;) -- HW
  */
 static int
-afavlab_setup(struct pci_dev *dev, struct pci_board *board,
+afavlab_setup(struct serial_private *priv, struct pciserial_board *board,
 	      struct uart_port *port, int idx)
 {
 	unsigned int bar, offset = board->first_offset;
@@ -149,7 +124,7 @@ afavlab_setup(struct pci_dev *dev, struct pci_board *board,
 		offset += (idx - 4) * board->uart_offset;
 	}
 
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 /*
@@ -189,13 +164,13 @@ static int __devinit pci_hp_diva_init(struct pci_dev *dev)
  * some serial ports are supposed to be hidden on certain models.
  */
 static int
-pci_hp_diva_setup(struct pci_dev *dev, struct pci_board *board,
+pci_hp_diva_setup(struct serial_private *priv, struct pciserial_board *board,
 	      struct uart_port *port, int idx)
 {
 	unsigned int offset = board->first_offset;
 	unsigned int bar = FL_GET_BASE(board->flags);
 
-	switch (dev->subsystem_device) {
+	switch (priv->dev->subsystem_device) {
 	case PCI_DEVICE_ID_HP_DIVA_MAESTRO:
 		if (idx == 3)
 			idx++;
@@ -212,7 +187,7 @@ pci_hp_diva_setup(struct pci_dev *dev, struct pci_board *board,
 
 	offset += idx * board->uart_offset;
 
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 /*
@@ -307,7 +282,7 @@ static void __devexit pci_plx9050_exit(struct pci_dev *dev)
 
 /* SBS Technologies Inc. PMC-OCTPRO and P-OCTAL cards */
 static int
-sbs_setup(struct pci_dev *dev, struct pci_board *board,
+sbs_setup(struct serial_private *priv, struct pciserial_board *board,
 		struct uart_port *port, int idx)
 {
 	unsigned int bar, offset = board->first_offset;
@@ -323,7 +298,7 @@ sbs_setup(struct pci_dev *dev, struct pci_board *board,
 	} else /* we have only 8 ports on PMC-OCTALPRO */
 		return 1;
 
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 /*
@@ -389,6 +364,9 @@ static void __devexit sbs_exit(struct pci_dev *dev)
  *     - 10x cards have control registers in IO and/or memory space;
  *     - 20x cards have control registers in standard PCI configuration space.
  *
+ * Note: all 10x cards have PCI device ids 0x10..
+ *       all 20x cards have PCI device ids 0x20..
+ *
  * There are also Quartet Serial cards which use Oxford Semiconductor
  * 16954 quad UART PCI chip clocked by 18.432 MHz quartz.
  *
@@ -445,24 +423,18 @@ static int pci_siig20x_init(struct pci_dev *dev)
 	return 0;
 }
 
-int pci_siig10x_fn(struct pci_dev *dev, int enable)
+static int pci_siig_init(struct pci_dev *dev)
 {
-	int ret = 0;
-	if (enable)
-		ret = pci_siig10x_init(dev);
-	return ret;
-}
+	unsigned int type = dev->device & 0xff00;
 
-int pci_siig20x_fn(struct pci_dev *dev, int enable)
-{
-	int ret = 0;
-	if (enable)
-		ret = pci_siig20x_init(dev);
-	return ret;
-}
+	if (type == 0x1000)
+		return pci_siig10x_init(dev);
+	else if (type == 0x2000)
+		return pci_siig20x_init(dev);
 
-EXPORT_SYMBOL(pci_siig10x_fn);
-EXPORT_SYMBOL(pci_siig20x_fn);
+	moan_device("Unknown SIIG card", dev);
+	return -ENODEV;
+}
 
 /*
  * Timedia has an explosion of boards, and to avoid the PCI table from
@@ -523,7 +495,7 @@ static int __devinit pci_timedia_init(struct pci_dev *dev)
  * Ugh, this is ugly as all hell --- TYT
  */
 static int
-pci_timedia_setup(struct pci_dev *dev, struct pci_board *board,
+pci_timedia_setup(struct serial_private *priv, struct pciserial_board *board,
 		  struct uart_port *port, int idx)
 {
 	unsigned int bar = 0, offset = board->first_offset;
@@ -549,14 +521,15 @@ pci_timedia_setup(struct pci_dev *dev, struct pci_board *board,
 		bar = idx - 2;
 	}
 
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 /*
  * Some Titan cards are also a little weird
  */
 static int
-titan_400l_800l_setup(struct pci_dev *dev, struct pci_board *board,
+titan_400l_800l_setup(struct serial_private *priv,
+		      struct pciserial_board *board,
 		      struct uart_port *port, int idx)
 {
 	unsigned int bar, offset = board->first_offset;
@@ -573,7 +546,7 @@ titan_400l_800l_setup(struct pci_dev *dev, struct pci_board *board,
 		offset = (idx - 2) * board->uart_offset;
 	}
 
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 static int __devinit pci_xircom_init(struct pci_dev *dev)
@@ -593,7 +566,7 @@ static int __devinit pci_netmos_init(struct pci_dev *dev)
 }
 
 static int
-pci_default_setup(struct pci_dev *dev, struct pci_board *board,
+pci_default_setup(struct serial_private *priv, struct pciserial_board *board,
 		  struct uart_port *port, int idx)
 {
 	unsigned int bar, offset = board->first_offset, maxnr;
@@ -604,13 +577,13 @@ pci_default_setup(struct pci_dev *dev, struct pci_board *board,
 	else
 		offset += idx * board->uart_offset;
 
-	maxnr = (pci_resource_len(dev, bar) - board->first_offset) /
+	maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) /
 		(8 << board->reg_shift);
 
 	if (board->flags & FL_REGION_SZ_CAP && idx >= maxnr)
 		return 1;
 			
-	return setup_port(dev, port, bar, offset, board->reg_shift);
+	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
 
 /* This should be in linux/pci_ids.h */
@@ -754,152 +727,15 @@ static struct pci_serial_quirk pci_serial_quirks[] = {
 		.setup		= sbs_setup,
 		.exit		= __devexit_p(sbs_exit),
 	},
-
 	/*
 	 * SIIG cards.
-	 *  It is not clear whether these could be collapsed.
 	 */
 	{
 		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_10x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_10x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_10x_850,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_10x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_10x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_10x_850,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_10x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_10x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_10x_850,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig10x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_20x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_20x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_1S_20x_850,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_20x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{	.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_20x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_2S_20x_850,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_20x_550,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_20x_650,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
-		.setup		= pci_default_setup,
-	},
-	{
-		.vendor		= PCI_VENDOR_ID_SIIG,
-		.device		= PCI_DEVICE_ID_SIIG_4S_20x_850,
+		.device		= PCI_ANY_ID,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
-		.init		= pci_siig20x_init,
+		.init		= pci_siig_init,
 		.setup		= pci_default_setup,
 	},
 	/*
@@ -990,7 +826,7 @@ static struct pci_serial_quirk *find_quirk(struct pci_dev *dev)
 }
 
 static _INLINE_ int
-get_pci_irq(struct pci_dev *dev, struct pci_board *board, int idx)
+get_pci_irq(struct pci_dev *dev, struct pciserial_board *board)
 {
 	if (board->flags & FL_NOIRQ)
 		return 0;
@@ -1115,7 +951,7 @@ enum pci_board_num_t {
  * see first lines of serial_in() and serial_out() in 8250.c
 */
 
-static struct pci_board pci_boards[] __devinitdata = {
+static struct pciserial_board pci_boards[] __devinitdata = {
 	[pbn_default] = {
 		.flags		= FL_BASE0,
 		.num_ports	= 1,
@@ -1575,7 +1411,7 @@ static struct pci_board pci_boards[] __devinitdata = {
  * serial specs.  Returns 0 on success, 1 on failure.
  */
 static int __devinit
-serial_pci_guess_board(struct pci_dev *dev, struct pci_board *board)
+serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board)
 {
 	int num_iomem, num_port, first_port = -1, i;
 	
@@ -1640,7 +1476,8 @@ serial_pci_guess_board(struct pci_dev *dev, struct pci_board *board)
 }
 
 static inline int
-serial_pci_matches(struct pci_board *board, struct pci_board *guessed)
+serial_pci_matches(struct pciserial_board *board,
+		   struct pciserial_board *guessed)
 {
 	return
 	    board->num_ports == guessed->num_ports &&
@@ -1650,58 +1487,14 @@ serial_pci_matches(struct pci_board *board, struct pci_board *guessed)
 	    board->first_offset == guessed->first_offset;
 }
 
-/*
- * Probe one serial board.  Unfortunately, there is no rhyme nor reason
- * to the arrangement of serial ports on a PCI card.
- */
-static int __devinit
-pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
+struct serial_private *
+pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
 {
+	struct uart_port serial_port;
 	struct serial_private *priv;
-	struct pci_board *board, tmp;
 	struct pci_serial_quirk *quirk;
 	int rc, nr_ports, i;
 
-	if (ent->driver_data >= ARRAY_SIZE(pci_boards)) {
-		printk(KERN_ERR "pci_init_one: invalid driver_data: %ld\n",
-			ent->driver_data);
-		return -EINVAL;
-	}
-
-	board = &pci_boards[ent->driver_data];
-
-	rc = pci_enable_device(dev);
-	if (rc)
-		return rc;
-
-	if (ent->driver_data == pbn_default) {
-		/*
-		 * Use a copy of the pci_board entry for this;
-		 * avoid changing entries in the table.
-		 */
-		memcpy(&tmp, board, sizeof(struct pci_board));
-		board = &tmp;
-
-		/*
-		 * We matched one of our class entries.  Try to
-		 * determine the parameters of this board.
-		 */
-		rc = serial_pci_guess_board(dev, board);
-		if (rc)
-			goto disable;
-	} else {
-		/*
-		 * We matched an explicit entry.  If we are able to
-		 * detect this boards settings with our heuristic,
-		 * then we no longer need this entry.
-		 */
-		memcpy(&tmp, &pci_boards[pbn_default], sizeof(struct pci_board));
-		rc = serial_pci_guess_board(dev, &tmp);
-		if (rc == 0 && serial_pci_matches(board, &tmp))
-			moan_device("Redundant entry in serial pci_table.",
-				    dev);
-	}
-
 	nr_ports = board->num_ports;
 
 	/*
@@ -1718,8 +1511,10 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
 	 */
 	if (quirk->init) {
 		rc = quirk->init(dev);
-		if (rc < 0)
-			goto disable;
+		if (rc < 0) {
+			priv = ERR_PTR(rc);
+			goto err_out;
+		}
 		if (rc)
 			nr_ports = rc;
 	}
@@ -1728,27 +1523,26 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
 		       sizeof(unsigned int) * nr_ports,
 		       GFP_KERNEL);
 	if (!priv) {
-		rc = -ENOMEM;
-		goto deinit;
+		priv = ERR_PTR(-ENOMEM);
+		goto err_deinit;
 	}
 
 	memset(priv, 0, sizeof(struct serial_private) +
 			sizeof(unsigned int) * nr_ports);
 
+	priv->dev = dev;
 	priv->quirk = quirk;
-	pci_set_drvdata(dev, priv);
+
+	memset(&serial_port, 0, sizeof(struct uart_port));
+	serial_port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
+	serial_port.uartclk = board->base_baud * 16;
+	serial_port.irq = get_pci_irq(dev, board);
+	serial_port.dev = &dev->dev;
 
 	for (i = 0; i < nr_ports; i++) {
-		struct uart_port serial_port;
-		memset(&serial_port, 0, sizeof(struct uart_port));
-
-		serial_port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF |
-				    UPF_SHARE_IRQ;
-		serial_port.uartclk = board->base_baud * 16;
-		serial_port.irq = get_pci_irq(dev, board, i);
-		serial_port.dev = &dev->dev;
-		if (quirk->setup(dev, board, &serial_port, i))
+		if (quirk->setup(priv, board, &serial_port, i))
 			break;
+
 #ifdef SERIAL_DEBUG_PCI
 		printk("Setup PCI port: port %x, irq %d, type %d\n",
 		       serial_port.iobase, serial_port.irq, serial_port.iotype);
@@ -1763,24 +1557,21 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
 
 	priv->nr = i;
 
-	return 0;
+	return priv;
 
- deinit:
+ err_deinit:
 	if (quirk->exit)
 		quirk->exit(dev);
- disable:
-	pci_disable_device(dev);
-	return rc;
+ err_out:
+	return priv;
 }
+EXPORT_SYMBOL_GPL(pciserial_init_ports);
 
-static void __devexit pciserial_remove_one(struct pci_dev *dev)
+void pciserial_remove_ports(struct serial_private *priv)
 {
-	struct serial_private *priv = pci_get_drvdata(dev);
 	struct pci_serial_quirk *quirk;
 	int i;
 
-	pci_set_drvdata(dev, NULL);
-
 	for (i = 0; i < priv->nr; i++)
 		serial8250_unregister_port(priv->line[i]);
 
@@ -1793,25 +1584,123 @@ static void __devexit pciserial_remove_one(struct pci_dev *dev)
 	/*
 	 * Find the exit quirks.
 	 */
-	quirk = find_quirk(dev);
+	quirk = find_quirk(priv->dev);
 	if (quirk->exit)
-		quirk->exit(dev);
+		quirk->exit(priv->dev);
+
+	kfree(priv);
+}
+EXPORT_SYMBOL_GPL(pciserial_remove_ports);
+
+void pciserial_suspend_ports(struct serial_private *priv)
+{
+	int i;
+
+	for (i = 0; i < priv->nr; i++)
+		if (priv->line[i] >= 0)
+			serial8250_suspend_port(priv->line[i]);
+}
+EXPORT_SYMBOL_GPL(pciserial_suspend_ports);
+
+void pciserial_resume_ports(struct serial_private *priv)
+{
+	int i;
+
+	/*
+	 * Ensure that the board is correctly configured.
+	 */
+	if (priv->quirk->init)
+		priv->quirk->init(priv->dev);
+
+	for (i = 0; i < priv->nr; i++)
+		if (priv->line[i] >= 0)
+			serial8250_resume_port(priv->line[i]);
+}
+EXPORT_SYMBOL_GPL(pciserial_resume_ports);
+
+/*
+ * Probe one serial board.  Unfortunately, there is no rhyme nor reason
+ * to the arrangement of serial ports on a PCI card.
+ */
+static int __devinit
+pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
+{
+	struct serial_private *priv;
+	struct pciserial_board *board, tmp;
+	int rc;
+
+	if (ent->driver_data >= ARRAY_SIZE(pci_boards)) {
+		printk(KERN_ERR "pci_init_one: invalid driver_data: %ld\n",
+			ent->driver_data);
+		return -EINVAL;
+	}
+
+	board = &pci_boards[ent->driver_data];
+
+	rc = pci_enable_device(dev);
+	if (rc)
+		return rc;
+
+	if (ent->driver_data == pbn_default) {
+		/*
+		 * Use a copy of the pci_board entry for this;
+		 * avoid changing entries in the table.
+		 */
+		memcpy(&tmp, board, sizeof(struct pciserial_board));
+		board = &tmp;
+
+		/*
+		 * We matched one of our class entries.  Try to
+		 * determine the parameters of this board.
+		 */
+		rc = serial_pci_guess_board(dev, board);
+		if (rc)
+			goto disable;
+	} else {
+		/*
+		 * We matched an explicit entry.  If we are able to
+		 * detect this boards settings with our heuristic,
+		 * then we no longer need this entry.
+		 */
+		memcpy(&tmp, &pci_boards[pbn_default],
+		       sizeof(struct pciserial_board));
+		rc = serial_pci_guess_board(dev, &tmp);
+		if (rc == 0 && serial_pci_matches(board, &tmp))
+			moan_device("Redundant entry in serial pci_table.",
+				    dev);
+	}
 
+	priv = pciserial_init_ports(dev, board);
+	if (!IS_ERR(priv)) {
+		pci_set_drvdata(dev, priv);
+		return 0;
+	}
+
+	rc = PTR_ERR(priv);
+
+ disable:
 	pci_disable_device(dev);
+	return rc;
+}
 
-	kfree(priv);
+static void __devexit pciserial_remove_one(struct pci_dev *dev)
+{
+	struct serial_private *priv = pci_get_drvdata(dev);
+
+	pci_set_drvdata(dev, NULL);
+
+	pciserial_remove_ports(priv);
+
+	pci_disable_device(dev);
 }
 
 static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)
 {
 	struct serial_private *priv = pci_get_drvdata(dev);
 
-	if (priv) {
-		int i;
+	if (priv)
+		pciserial_suspend_ports(priv);
 
-		for (i = 0; i < priv->nr; i++)
-			serial8250_suspend_port(priv->line[i]);
-	}
 	pci_save_state(dev);
 	pci_set_power_state(dev, pci_choose_state(dev, state));
 	return 0;
@@ -1825,21 +1714,12 @@ static int pciserial_resume_one(struct pci_dev *dev)
 	pci_restore_state(dev);
 
 	if (priv) {
-		int i;
-
 		/*
 		 * The device may have been disabled.  Re-enable it.
 		 */
 		pci_enable_device(dev);
 
-		/*
-		 * Ensure that the board is correctly configured.
-		 */
-		if (priv->quirk->init)
-			priv->quirk->init(dev);
-
-		for (i = 0; i < priv->nr; i++)
-			serial8250_resume_port(priv->line[i]);
+		pciserial_resume_ports(priv);
 	}
 	return 0;
 }
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 97034d3937f..d5797618a3b 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -211,7 +211,7 @@ comment "Non-8250 serial port support"
 
 config SERIAL_AMBA_PL010
 	tristate "ARM AMBA PL010 serial port support"
-	depends on ARM_AMBA
+	depends on ARM_AMBA && (BROKEN || !ARCH_VERSATILE)
 	select SERIAL_CORE
 	help
 	  This selects the ARM(R) AMBA(R) PrimeCell PL010 UART.  If you have
@@ -819,7 +819,7 @@ config SERIAL_M32R_SIO_CONSOLE
 
 config SERIAL_M32R_PLDSIO
 	bool "M32R SIO I/F on a PLD"
-	depends on SERIAL_M32R_SIO=y
+	depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PALT_USRV || PLAT_M32700UT)
 	default n
 	help
 	  Say Y here if you want to use the M32R serial controller
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 0301feacbde..9b50560b9d1 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1123,7 +1123,7 @@ static int __init m32r_sio_console_setup(struct console *co, char *options)
 	return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver m32r_sio_reg;
+static struct uart_driver m32r_sio_reg;
 static struct console m32r_sio_console = {
 	.name		= "ttyS",
 	.write		= m32r_sio_console_write,
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 840815fde49..12d1f14e78c 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -1093,6 +1093,7 @@ int __init sn_serial_console_early_setup(void)
 		return -1;
 
 	sal_console_port.sc_ops = &poll_ops;
+	spin_lock_init(&sal_console_port.sc_port.lock);
 	early_sn_setup();	/* Find SAL entry points */
 	register_console(&sal_console_early);