23 files changed, 465 insertions, 81 deletions

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 77f7a7f0646..96a585e1cee 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1740,6 +1740,60 @@ static inline void wait_for_xmitr(struct uart_8250_port *up, int bits)
 	}
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+/*
+ * Console polling routines for writing and reading from the uart while
+ * in an interrupt or debug context.
+ */
+
+static int serial8250_get_poll_char(struct uart_port *port)
+{
+	struct uart_8250_port *up = (struct uart_8250_port *)port;
+	unsigned char lsr = serial_inp(up, UART_LSR);
+
+	while (!(lsr & UART_LSR_DR))
+		lsr = serial_inp(up, UART_LSR);
+
+	return serial_inp(up, UART_RX);
+}
+
+
+static void serial8250_put_poll_char(struct uart_port *port,
+			 unsigned char c)
+{
+	unsigned int ier;
+	struct uart_8250_port *up = (struct uart_8250_port *)port;
+
+	/*
+	 *	First save the IER then disable the interrupts
+	 */
+	ier = serial_in(up, UART_IER);
+	if (up->capabilities & UART_CAP_UUE)
+		serial_out(up, UART_IER, UART_IER_UUE);
+	else
+		serial_out(up, UART_IER, 0);
+
+	wait_for_xmitr(up, BOTH_EMPTY);
+	/*
+	 *	Send the character out.
+	 *	If a LF, also do CR...
+	 */
+	serial_out(up, UART_TX, c);
+	if (c == 10) {
+		wait_for_xmitr(up, BOTH_EMPTY);
+		serial_out(up, UART_TX, 13);
+	}
+
+	/*
+	 *	Finally, wait for transmitter to become empty
+	 *	and restore the IER
+	 */
+	wait_for_xmitr(up, BOTH_EMPTY);
+	serial_out(up, UART_IER, ier);
+}
+
+#endif /* CONFIG_CONSOLE_POLL */
+
 static int serial8250_startup(struct uart_port *port)
 {
 	struct uart_8250_port *up = (struct uart_8250_port *)port;
@@ -2386,6 +2440,10 @@ static struct uart_ops serial8250_pops = {
 	.request_port	= serial8250_request_port,
 	.config_port	= serial8250_config_port,
 	.verify_port	= serial8250_verify_port,
+#ifdef CONFIG_CONSOLE_POLL
+	.poll_get_char = serial8250_get_poll_char,
+	.poll_put_char = serial8250_put_poll_char,
+#endif
 };
 
 static struct uart_8250_port serial8250_ports[UART_NR];
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index cf627cd1b4c..f7cd9504d81 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -961,6 +961,9 @@ config SERIAL_CORE
 config SERIAL_CORE_CONSOLE
 	bool
 
+config CONSOLE_POLL
+	bool
+
 config SERIAL_68328
 	bool "68328 serial support"
 	depends on M68328 || M68EZ328 || M68VZ328
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 640cfe44a56..3cbea549472 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -66,4 +66,5 @@ obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o
 obj-$(CONFIG_SERIAL_NETX) += netx-serial.o
 obj-$(CONFIG_SERIAL_OF_PLATFORM) += of_serial.o
 obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o
+obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o
 obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 40604a09292..08adc1de4a7 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -314,6 +314,32 @@ static void pl011_break_ctl(struct uart_port *port, int break_state)
 	spin_unlock_irqrestore(&uap->port.lock, flags);
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+static int pl010_get_poll_char(struct uart_port *port)
+{
+	struct uart_amba_port *uap = (struct uart_amba_port *)port;
+	unsigned int status;
+
+	do {
+		status = readw(uap->port.membase + UART01x_FR);
+	} while (status & UART01x_FR_RXFE);
+
+	return readw(uap->port.membase + UART01x_DR);
+}
+
+static void pl010_put_poll_char(struct uart_port *port,
+			 unsigned char ch)
+{
+	struct uart_amba_port *uap = (struct uart_amba_port *)port;
+
+	while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF)
+		barrier();
+
+	writew(ch, uap->port.membase + UART01x_DR);
+}
+
+#endif /* CONFIG_CONSOLE_POLL */
+
 static int pl011_startup(struct uart_port *port)
 {
 	struct uart_amba_port *uap = (struct uart_amba_port *)port;
@@ -572,6 +598,10 @@ static struct uart_ops amba_pl011_pops = {
 	.request_port	= pl010_request_port,
 	.config_port	= pl010_config_port,
 	.verify_port	= pl010_verify_port,
+#ifdef CONFIG_CONSOLE_POLL
+	.poll_get_char = pl010_get_poll_char,
+	.poll_put_char = pl010_put_poll_char,
+#endif
 };
 
 static struct uart_amba_port *amba_ports[UART_NR];
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 430997e33fc..55492fa095a 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -1577,3 +1577,4 @@ module_exit(atmel_serial_exit);
 MODULE_AUTHOR("Rick Bronson");
 MODULE_DESCRIPTION("Atmel AT91 / AT32 serial port driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:atmel_usart");
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 0aa345b9a38..46bb47f37b9 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -1243,6 +1243,7 @@ static struct platform_driver bfin_serial_driver = {
 	.resume		= bfin_serial_resume,
 	.driver		= {
 		.name	= "bfin-uart",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -1301,3 +1302,4 @@ MODULE_AUTHOR("Aubrey.Li <aubrey.li@analog.com>");
 MODULE_DESCRIPTION("Blackfin generic serial port driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(BFIN_SERIAL_MAJOR);
+MODULE_ALIAS("platform:bfin-uart");
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 56af1f566a4..5a375bf0ebf 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -166,15 +166,6 @@
 #define SERIAL_IMX_MAJOR	204
 #define MINOR_START		41
 
-#define NR_PORTS		2
-
-#define IMX_ISR_PASS_LIMIT	256
-
-/*
- * This is the size of our serial port register set.
- */
-#define UART_PORT_SIZE	0x100
-
 /*
  * This determines how often we check the modem status signals
  * for any change.  They generally aren't connected to an IRQ
@@ -358,66 +349,60 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
 	struct tty_struct *tty = sport->port.info->tty;
 	unsigned long flags, temp;
 
-	rx = readl(sport->port.membase + URXD0);
 	spin_lock_irqsave(&sport->port.lock,flags);
 
-	do {
+	while (readl(sport->port.membase + USR2) & USR2_RDR) {
 		flg = TTY_NORMAL;
 		sport->port.icount.rx++;
 
+		rx = readl(sport->port.membase + URXD0);
+
 		temp = readl(sport->port.membase + USR2);
-		if( temp & USR2_BRCD ) {
+		if (temp & USR2_BRCD) {
 			writel(temp | USR2_BRCD, sport->port.membase + USR2);
-			if(uart_handle_break(&sport->port))
-				goto ignore_char;
+			if (uart_handle_break(&sport->port))
+				continue;
 		}
 
 		if (uart_handle_sysrq_char
 		            (&sport->port, (unsigned char)rx))
-			goto ignore_char;
+			continue;
+
+		if (rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) ) {
+			if (rx & URXD_PRERR)
+				sport->port.icount.parity++;
+			else if (rx & URXD_FRMERR)
+				sport->port.icount.frame++;
+			if (rx & URXD_OVRRUN)
+				sport->port.icount.overrun++;
+
+			if (rx & sport->port.ignore_status_mask) {
+				if (++ignored > 100)
+					goto out;
+				continue;
+			}
+
+			rx &= sport->port.read_status_mask;
+
+			if (rx & URXD_PRERR)
+				flg = TTY_PARITY;
+			else if (rx & URXD_FRMERR)
+				flg = TTY_FRAME;
+			if (rx & URXD_OVRRUN)
+				flg = TTY_OVERRUN;
 
-		if( rx & (URXD_PRERR | URXD_OVRRUN | URXD_FRMERR) )
-			goto handle_error;
+#ifdef SUPPORT_SYSRQ
+			sport->port.sysrq = 0;
+#endif
+		}
 
-	error_return:
 		tty_insert_flip_char(tty, rx, flg);
-
-	ignore_char:
-		rx = readl(sport->port.membase + URXD0);
-	} while(rx & URXD_CHARRDY);
+	}
 
 out:
 	spin_unlock_irqrestore(&sport->port.lock,flags);
 	tty_flip_buffer_push(tty);
 	return IRQ_HANDLED;
-
-handle_error:
-	if (rx & URXD_PRERR)
-		sport->port.icount.parity++;
-	else if (rx & URXD_FRMERR)
-		sport->port.icount.frame++;
-	if (rx & URXD_OVRRUN)
-		sport->port.icount.overrun++;
-
-	if (rx & sport->port.ignore_status_mask) {
-		if (++ignored > 100)
-			goto out;
-		goto ignore_char;
-	}
-
-	rx &= sport->port.read_status_mask;
-
-	if (rx & URXD_PRERR)
-		flg = TTY_PARITY;
-	else if (rx & URXD_FRMERR)
-		flg = TTY_FRAME;
-	if (rx & URXD_OVRRUN)
-		flg = TTY_OVERRUN;
-
-#ifdef SUPPORT_SYSRQ
-	sport->port.sysrq = 0;
-#endif
-	goto error_return;
 }
 
 /*
@@ -546,7 +531,7 @@ static int imx_startup(struct uart_port *port)
 	writel(USR1_RTSD, sport->port.membase + USR1);
 
 	temp = readl(sport->port.membase + UCR1);
-	temp |= (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+	temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN;
 	writel(temp, sport->port.membase + UCR1);
 
 	temp = readl(sport->port.membase + UCR2);
@@ -731,9 +716,11 @@ static const char *imx_type(struct uart_port *port)
  */
 static void imx_release_port(struct uart_port *port)
 {
-	struct imx_port *sport = (struct imx_port *)port;
+	struct platform_device *pdev = to_platform_device(port->dev);
+	struct resource *mmres;
 
-	release_mem_region(sport->port.mapbase, UART_PORT_SIZE);
+	mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(mmres->start, mmres->end - mmres->start + 1);
 }
 
 /*
@@ -741,10 +728,18 @@ static void imx_release_port(struct uart_port *port)
  */
 static int imx_request_port(struct uart_port *port)
 {
-	struct imx_port *sport = (struct imx_port *)port;
+	struct platform_device *pdev = to_platform_device(port->dev);
+	struct resource *mmres;
+	void *ret;
+
+	mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mmres)
+		return -ENODEV;
+
+	ret = request_mem_region(mmres->start, mmres->end - mmres->start + 1,
+			"imx-uart");
 
-	return request_mem_region(sport->port.mapbase, UART_PORT_SIZE,
-			"imx-uart") != NULL ? 0 : -EBUSY;
+	return  ret ? 0 : -EBUSY;
 }
 
 /*
@@ -815,7 +810,7 @@ static struct imx_port imx_ports[] = {
 		.type		= PORT_IMX,
 		.iotype		= UPIO_MEM,
 		.membase	= (void *)IMX_UART1_BASE,
-		.mapbase	= IMX_UART1_BASE, /* FIXME */
+		.mapbase	= 0x00206000,
 		.irq		= UART1_MINT_RX,
 		.uartclk	= 16000000,
 		.fifosize	= 32,
@@ -831,7 +826,7 @@ static struct imx_port imx_ports[] = {
 		.type		= PORT_IMX,
 		.iotype		= UPIO_MEM,
 		.membase	= (void *)IMX_UART2_BASE,
-		.mapbase	= IMX_UART2_BASE, /* FIXME */
+		.mapbase	= 0x00207000,
 		.irq		= UART2_MINT_RX,
 		.uartclk	= 16000000,
 		.fifosize	= 32,
@@ -1090,6 +1085,7 @@ static struct platform_driver serial_imx_driver = {
 	.resume		= serial_imx_resume,
 	.driver		= {
 	        .name	= "imx-uart",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -1124,3 +1120,4 @@ module_exit(imx_serial_exit);
 MODULE_AUTHOR("Sascha Hauer");
 MODULE_DESCRIPTION("IMX generic serial port driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:imx-uart");
diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
new file mode 100644
index 00000000000..9cf03327386
--- /dev/null
+++ b/drivers/serial/kgdboc.c
@@ -0,0 +1,168 @@
+/*
+ * Based on the same principle as kgdboe using the NETPOLL api, this
+ * driver uses a console polling api to implement a gdb serial inteface
+ * which is multiplexed on a console port.
+ *
+ * Maintainer: Jason Wessel <jason.wessel@windriver.com>
+ *
+ * 2007-2008 (c) Jason Wessel - Wind River Systems, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/ctype.h>
+#include <linux/kgdb.h>
+#include <linux/tty.h>
+
+#define MAX_CONFIG_LEN		40
+
+static struct kgdb_io		kgdboc_io_ops;
+
+/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */
+static int configured		= -1;
+
+static char config[MAX_CONFIG_LEN];
+static struct kparam_string kps = {
+	.string			= config,
+	.maxlen			= MAX_CONFIG_LEN,
+};
+
+static struct tty_driver	*kgdb_tty_driver;
+static int			kgdb_tty_line;
+
+static int kgdboc_option_setup(char *opt)
+{
+	if (strlen(opt) > MAX_CONFIG_LEN) {
+		printk(KERN_ERR "kgdboc: config string too long\n");
+		return -ENOSPC;
+	}
+	strcpy(config, opt);
+
+	return 0;
+}
+
+__setup("kgdboc=", kgdboc_option_setup);
+
+static int configure_kgdboc(void)
+{
+	struct tty_driver *p;
+	int tty_line = 0;
+	int err;
+
+	err = kgdboc_option_setup(config);
+	if (err || !strlen(config) || isspace(config[0]))
+		goto noconfig;
+
+	err = -ENODEV;
+
+	p = tty_find_polling_driver(config, &tty_line);
+	if (!p)
+		goto noconfig;
+
+	kgdb_tty_driver = p;
+	kgdb_tty_line = tty_line;
+
+	err = kgdb_register_io_module(&kgdboc_io_ops);
+	if (err)
+		goto noconfig;
+
+	configured = 1;
+
+	return 0;
+
+noconfig:
+	config[0] = 0;
+	configured = 0;
+
+	return err;
+}
+
+static int __init init_kgdboc(void)
+{
+	/* Already configured? */
+	if (configured == 1)
+		return 0;
+
+	return configure_kgdboc();
+}
+
+static void cleanup_kgdboc(void)
+{
+	if (configured == 1)
+		kgdb_unregister_io_module(&kgdboc_io_ops);
+}
+
+static int kgdboc_get_char(void)
+{
+	return kgdb_tty_driver->poll_get_char(kgdb_tty_driver, kgdb_tty_line);
+}
+
+static void kgdboc_put_char(u8 chr)
+{
+	kgdb_tty_driver->poll_put_char(kgdb_tty_driver, kgdb_tty_line, chr);
+}
+
+static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp)
+{
+	int len = strlen(kmessage);
+
+	if (len >= MAX_CONFIG_LEN) {
+		printk(KERN_ERR "kgdboc: config string too long\n");
+		return -ENOSPC;
+	}
+
+	/* Only copy in the string if the init function has not run yet */
+	if (configured < 0) {
+		strcpy(config, kmessage);
+		return 0;
+	}
+
+	if (kgdb_connected) {
+		printk(KERN_ERR
+		       "kgdboc: Cannot reconfigure while KGDB is connected.\n");
+
+		return -EBUSY;
+	}
+
+	strcpy(config, kmessage);
+	/* Chop out \n char as a result of echo */
+	if (config[len - 1] == '\n')
+		config[len - 1] = '\0';
+
+	if (configured == 1)
+		cleanup_kgdboc();
+
+	/* Go and configure with the new params. */
+	return configure_kgdboc();
+}
+
+static void kgdboc_pre_exp_handler(void)
+{
+	/* Increment the module count when the debugger is active */
+	if (!kgdb_connected)
+		try_module_get(THIS_MODULE);
+}
+
+static void kgdboc_post_exp_handler(void)
+{
+	/* decrement the module count when the debugger detaches */
+	if (!kgdb_connected)
+		module_put(THIS_MODULE);
+}
+
+static struct kgdb_io kgdboc_io_ops = {
+	.name			= "kgdboc",
+	.read_char		= kgdboc_get_char,
+	.write_char		= kgdboc_put_char,
+	.pre_exception		= kgdboc_pre_exp_handler,
+	.post_exception		= kgdboc_post_exp_handler,
+};
+
+module_init(init_kgdboc);
+module_exit(cleanup_kgdboc);
+module_param_call(kgdboc, param_set_kgdboc_var, param_get_string, &kps, 0644);
+MODULE_PARM_DESC(kgdboc, "<serial_device>[,baud]");
+MODULE_DESCRIPTION("KGDB Console TTY Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index e76fc72c9b3..7e164e0cd21 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -649,5 +649,6 @@ module_exit(mcf_exit);
 MODULE_AUTHOR("Greg Ungerer <gerg@snapgear.com>");
 MODULE_DESCRIPTION("Freescale ColdFire UART driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mcfuart");
 
 /****************************************************************************/
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 99af084c7ce..ddd3aa50d4a 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -40,7 +40,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/semaphore.h>
 #include <asm/delay.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index a638f23c6c6..d93b3578c5e 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -1188,6 +1188,8 @@ mpc52xx_uart_resume(struct platform_device *dev)
 }
 #endif
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:mpc52xx-psc");
 
 static struct platform_driver mpc52xx_uart_platform_driver = {
 	.probe		= mpc52xx_uart_probe,
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index cb3a9196774..e8819c43f57 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -1964,6 +1964,7 @@ static struct platform_driver mpsc_driver = {
 	.remove	= mpsc_drv_remove,
 	.driver	= {
 		.name	= MPSC_CTLR_NAME,
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -2007,3 +2008,4 @@ MODULE_DESCRIPTION("Generic Marvell MPSC serial/UART driver $Revision: 1.00 $");
 MODULE_VERSION(MPSC_VERSION);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(MPSC_MAJOR);
+MODULE_ALIAS("platform:" MPSC_CTLR_NAME);
diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c
index b56f7db4503..3123ffeac8a 100644
--- a/drivers/serial/netx-serial.c
+++ b/drivers/serial/netx-serial.c
@@ -713,6 +713,7 @@ static struct platform_driver serial_netx_driver = {
 
 	.driver		= {
 		.name   = DRIVER_NAME,
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -745,3 +746,4 @@ module_exit(netx_serial_exit);
 MODULE_AUTHOR("Sascha Hauer");
 MODULE_DESCRIPTION("NetX serial port driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 8d01c59e8d0..d0e5a79ea63 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -850,3 +850,4 @@ MODULE_AUTHOR("Embedded Alley Solutions, Inc.");
 MODULE_DESCRIPTION("PNX8XXX SoCs serial port driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(SERIAL_PNX8XXX_MAJOR);
+MODULE_ALIAS("platform:pnx8xxx-uart");
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 352fcb8926a..b4f7ffb7688 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -833,6 +833,7 @@ static struct platform_driver serial_pxa_driver = {
 	.resume		= serial_pxa_resume,
 	.driver		= {
 	        .name	= "pxa2xx-uart",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -861,4 +862,4 @@ module_init(serial_pxa_init);
 module_exit(serial_pxa_exit);
 
 MODULE_LICENSE("GPL");
-
+MODULE_ALIAS("platform:pxa2xx-uart");
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 45de1936603..4ffa2585429 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -1935,3 +1935,7 @@ console_initcall(s3c24xx_serial_initconsole);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 MODULE_DESCRIPTION("Samsung S3C2410/S3C2440/S3C2412 Serial port driver");
+MODULE_ALIAS("platform:s3c2400-uart");
+MODULE_ALIAS("platform:s3c2410-uart");
+MODULE_ALIAS("platform:s3c2412-uart");
+MODULE_ALIAS("platform:s3c2440-uart");
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 58a83c27e14..67b2338913c 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -884,6 +884,7 @@ static struct platform_driver sa11x0_serial_driver = {
 	.resume		= sa1100_serial_resume,
 	.driver		= {
 		.name	= "sa11x0-uart",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -917,3 +918,4 @@ MODULE_AUTHOR("Deep Blue Solutions Ltd");
 MODULE_DESCRIPTION("SA1100 generic serial port driver $Revision: 1.50 $");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_CHARDEV_MAJOR(SERIAL_SA1100_MAJOR);
+MODULE_ALIAS("platform:sa11x0-uart");
diff --git a/drivers/serial/sc26xx.c b/drivers/serial/sc26xx.c
index a350b6d2a18..ae2a9e2df77 100644
--- a/drivers/serial/sc26xx.c
+++ b/drivers/serial/sc26xx.c
@@ -732,6 +732,7 @@ static struct platform_driver sc26xx_driver = {
 	.remove	= __devexit_p(sc26xx_driver_remove),
 	.driver	= {
 		.name	= "SC26xx",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -753,3 +754,4 @@ MODULE_AUTHOR("Thomas Bogendörfer");
 MODULE_DESCRIPTION("SC681/SC2692 serial driver");
 MODULE_VERSION("1.0");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:SC26xx");
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 0f5a17987cc..a9ca03ead3e 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1771,7 +1771,7 @@ static int uart_read_proc(char *page, char **start, off_t off,
 }
 #endif
 
-#ifdef CONFIG_SERIAL_CORE_CONSOLE
+#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_CONSOLE_POLL)
 /*
  *	uart_console_write - write a console message to a serial port
  *	@port: the port to write the message
@@ -1827,7 +1827,7 @@ uart_get_console(struct uart_port *ports, int nr, struct console *co)
  *	options.  The format of the string is <baud><parity><bits><flow>,
  *	eg: 115200n8r
  */
-void __init
+void
 uart_parse_options(char *options, int *baud, int *parity, int *bits, int *flow)
 {
 	char *s = options;
@@ -1842,6 +1842,7 @@ uart_parse_options(char *options, int *baud, int *parity, int *bits, int *flow)
 	if (*s)
 		*flow = *s;
 }
+EXPORT_SYMBOL_GPL(uart_parse_options);
 
 struct baud_rates {
 	unsigned int rate;
@@ -1872,7 +1873,7 @@ static const struct baud_rates baud_rates[] = {
  *	@bits: number of data bits
  *	@flow: flow control character - 'r' (rts)
  */
-int __init
+int
 uart_set_options(struct uart_port *port, struct console *co,
 		 int baud, int parity, int bits, int flow)
 {
@@ -1924,10 +1925,16 @@ uart_set_options(struct uart_port *port, struct console *co,
 	port->mctrl |= TIOCM_DTR;
 
 	port->ops->set_termios(port, &termios, &dummy);
-	co->cflag = termios.c_cflag;
+	/*
+	 * Allow the setting of the UART parameters with a NULL console
+	 * too:
+	 */
+	if (co)
+		co->cflag = termios.c_cflag;
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(uart_set_options);
 #endif /* CONFIG_SERIAL_CORE_CONSOLE */
 
 static void uart_change_pm(struct uart_state *state, int pm_state)
@@ -2182,6 +2189,60 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
 	}
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+
+static int uart_poll_init(struct tty_driver *driver, int line, char *options)
+{
+	struct uart_driver *drv = driver->driver_state;
+	struct uart_state *state = drv->state + line;
+	struct uart_port *port;
+	int baud = 9600;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	if (!state || !state->port)
+		return -1;
+
+	port = state->port;
+	if (!(port->ops->poll_get_char && port->ops->poll_put_char))
+		return -1;
+
+	if (options) {
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+		return uart_set_options(port, NULL, baud, parity, bits, flow);
+	}
+
+	return 0;
+}
+
+static int uart_poll_get_char(struct tty_driver *driver, int line)
+{
+	struct uart_driver *drv = driver->driver_state;
+	struct uart_state *state = drv->state + line;
+	struct uart_port *port;
+
+	if (!state || !state->port)
+		return -1;
+
+	port = state->port;
+	return port->ops->poll_get_char(port);
+}
+
+static void uart_poll_put_char(struct tty_driver *driver, int line, char ch)
+{
+	struct uart_driver *drv = driver->driver_state;
+	struct uart_state *state = drv->state + line;
+	struct uart_port *port;
+
+	if (!state || !state->port)
+		return;
+
+	port = state->port;
+	port->ops->poll_put_char(port, ch);
+}
+#endif
+
 static const struct tty_operations uart_ops = {
 	.open		= uart_open,
 	.close		= uart_close,
@@ -2206,6 +2267,11 @@ static const struct tty_operations uart_ops = {
 #endif
 	.tiocmget	= uart_tiocmget,
 	.tiocmset	= uart_tiocmset,
+#ifdef CONFIG_CONSOLE_POLL
+	.poll_init	= uart_poll_init,
+	.poll_get_char	= uart_poll_get_char,
+	.poll_put_char	= uart_poll_put_char,
+#endif
 };
 
 /**
@@ -2356,7 +2422,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
 	 */
 	tty_dev = tty_register_device(drv->tty_driver, port->line, port->dev);
 	if (likely(!IS_ERR(tty_dev))) {
-		device_can_wakeup(tty_dev) = 1;
+		device_init_wakeup(tty_dev, 1);
 		device_set_wakeup_enable(tty_dev, 0);
 	} else
 		printk(KERN_ERR "Cannot register tty device on line %d\n",
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 9d244d1644e..c2ea5d4df44 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -333,7 +333,6 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
 	}
 	sci_out(port, SCFCR, fcr_val);
 }
-
 #elif defined(CONFIG_CPU_SH3)
 /* For SH7705, SH7706, SH7707, SH7709, SH7709A, SH7729 */
 static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
@@ -384,6 +383,12 @@ static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
 
 	sci_out(port, SCFCR, fcr_val);
 }
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
+{
+	/* Nothing to do here.. */
+	sci_out(port, SCFCR, 0);
+}
 #else
 /* For SH7750 */
 static void sci_init_pins_scif(struct uart_port *port, unsigned int cflag)
@@ -1552,3 +1557,4 @@ module_init(sci_init);
 module_exit(sci_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sh-sci");
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 01a9dd715f5..fa8700a968f 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -1,20 +1,5 @@
-/* $Id: sh-sci.h,v 1.4 2004/02/19 16:43:56 lethal Exp $
- *
- *  linux/drivers/serial/sh-sci.h
- *
- *  SuperH on-chip serial module support.  (SCI with no FIFO / with FIFO)
- *  Copyright (C) 1999, 2000  Niibe Yutaka
- *  Copyright (C) 2000  Greg Banks
- *  Copyright (C) 2002, 2003  Paul Mundt
- *  Modified to support multiple serial ports. Stuart Menefy (May 2000).
- *  Modified to support SH7300(SH-Mobile) SCIF. Takashi Kusuda (Jun 2003).
- *  Modified to support H8/300 Series Yoshinori Sato (Feb 2004).
- *  Removed SH7300 support (Jul 2007).
- *  Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Aug 2007).
- */
 #include <linux/serial_core.h>
 #include <asm/io.h>
-
 #include <asm/gpio.h>
 
 #if defined(CONFIG_H83007) || defined(CONFIG_H83068)
@@ -102,6 +87,15 @@
 # define SCSPTR0		SCPDR0
 # define SCIF_ORER		0x0001  /* overrun error bit */
 # define SCSCR_INIT(port)	0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+# define SCSPTR0                0xa4050160
+# define SCSPTR1                0xa405013e
+# define SCSPTR2                0xa4050160
+# define SCSPTR3                0xa405013e
+# define SCSPTR4                0xa4050128
+# define SCSPTR5                0xa4050128
+# define SCIF_ORER              0x0001  /* overrun error bit */
+# define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 # define SCIF_ONLY
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
@@ -395,6 +389,11 @@
                  h8_sci_offset, h8_sci_size) \
   CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+        #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \
+                CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size)
+        #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \
+                CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
 #else
 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 		 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
@@ -419,6 +418,18 @@ SCIF_FNS(SCFDR,  0x1c, 16)
 SCIF_FNS(SCxTDR, 0x20,  8)
 SCIF_FNS(SCxRDR, 0x24,  8)
 SCIF_FNS(SCLSR,  0x24, 16)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+SCIx_FNS(SCSMR,  0x00, 16, 0x00, 16)
+SCIx_FNS(SCBRR,  0x04,  8, 0x04,  8)
+SCIx_FNS(SCSCR,  0x08, 16, 0x08, 16)
+SCIx_FNS(SCxTDR, 0x20,  8, 0x0c,  8)
+SCIx_FNS(SCxSR,  0x14, 16, 0x10, 16)
+SCIx_FNS(SCxRDR, 0x24,  8, 0x14,  8)
+SCIF_FNS(SCTDSR, 0x0c,  8)
+SCIF_FNS(SCFER,  0x10, 16)
+SCIF_FNS(SCFCR,  0x18, 16)
+SCIF_FNS(SCFDR,  0x1c, 16)
+SCIF_FNS(SCLSR,  0x24, 16)
 #else
 /*      reg      SCI/SH3   SCI/SH4  SCIF/SH3   SCIF/SH4  SCI/H8*/
 /*      name     off  sz   off  sz   off  sz   off  sz   off  sz*/
@@ -589,6 +600,23 @@ static inline int sci_rxd_in(struct uart_port *port)
 		return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
 	return 1;
 }
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+        if (port->mapbase == 0xffe00000)
+                return ctrl_inb(SCSPTR0) & 0x0008 ? 1 : 0; /* SCIF0 */
+        if (port->mapbase == 0xffe10000)
+                return ctrl_inb(SCSPTR1) & 0x0020 ? 1 : 0; /* SCIF1 */
+        if (port->mapbase == 0xffe20000)
+                return ctrl_inb(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF2 */
+        if (port->mapbase == 0xa4e30000)
+                return ctrl_inb(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF3 */
+        if (port->mapbase == 0xa4e40000)
+                return ctrl_inb(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF4 */
+        if (port->mapbase == 0xa4e50000)
+                return ctrl_inb(SCSPTR5) & 0x0008 ? 1 : 0; /* SCIF5 */
+        return 1;
+}
 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
 static inline int sci_rxd_in(struct uart_port *port)
 {
@@ -727,6 +755,8 @@ static inline int sci_rxd_in(struct uart_port *port)
       defined(CONFIG_CPU_SUBTYPE_SH7720) || \
       defined(CONFIG_CPU_SUBTYPE_SH7721)
 #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(16*bps)-1)
 #elif defined(__H8300H__) || defined(__H8300S__)
 #define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1)
 #elif defined(CONFIG_SUPERH64)
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 4e06ab6bcb6..b565d5a3749 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -561,6 +561,9 @@ static int __devexit ulite_remove(struct platform_device *pdev)
 	return ulite_release(&pdev->dev);
 }
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:uartlite");
+
 static struct platform_driver ulite_platform_driver = {
 	.probe	= ulite_probe,
 	.remove	= __devexit_p(ulite_remove),
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index 6fd51b0022c..98ab649c1ff 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -960,3 +960,6 @@ static void __exit vr41xx_siu_exit(void)
 
 module_init(vr41xx_siu_init);
 module_exit(vr41xx_siu_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:SIU");