Merge master.kernel.org:/home/rmk/linux-2.6-serial

* master.kernel.org:/home/rmk/linux-2.6-serial:
  [ARM] 3383/3: ixp2000: ixdp2x01 platform serial conversion
  [SERIAL] amba-pl010: Remove accessor macros
  [SERIAL] remove 8250_acpi (replaced by 8250_pnp and PNPACPI)
  [SERIAL] icom: select FW_LOADER

4 files changed, 50 insertions, 253 deletions

diff --git a/drivers/serial/8250_acpi.c b/drivers/serial/8250_acpi.c
deleted file mode 100644
index 809f89a..0000000
--- a/drivers/serial/8250_acpi.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (c) 2002-2003 Matthew Wilcox for Hewlett-Packard
- * Copyright (C) 2004 Hewlett-Packard Co
- *	Bjorn Helgaas <bjorn.helgaas@hp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/acpi.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/serial_core.h>
-
-#include <acpi/acpi_bus.h>
-
-#include <asm/io.h>
-
-#include "8250.h"
-
-struct serial_private {
-	int	line;
-};
-
-static acpi_status acpi_serial_mmio(struct uart_port *port,
-				    struct acpi_resource_address64 *addr)
-{
-	port->mapbase = addr->minimum;
-	port->iotype = UPIO_MEM;
-	port->flags |= UPF_IOREMAP;
-	return AE_OK;
-}
-
-static acpi_status acpi_serial_port(struct uart_port *port,
-				    struct acpi_resource_io *io)
-{
-	if (io->address_length) {
-		port->iobase = io->minimum;
-		port->iotype = UPIO_PORT;
-	} else
-		printk(KERN_ERR "%s: zero-length IO port range?\n", __FUNCTION__);
-	return AE_OK;
-}
-
-static acpi_status acpi_serial_ext_irq(struct uart_port *port,
-				       struct acpi_resource_extended_irq *ext_irq)
-{
-	int rc;
-
-	if (ext_irq->interrupt_count > 0) {
-		rc = acpi_register_gsi(ext_irq->interrupts[0],
-	                   ext_irq->triggering, ext_irq->polarity);
-		if (rc < 0)
-			return AE_ERROR;
-		port->irq = rc;
-	}
-	return AE_OK;
-}
-
-static acpi_status acpi_serial_irq(struct uart_port *port,
-				   struct acpi_resource_irq *irq)
-{
-	int rc;
-
-	if (irq->interrupt_count > 0) {
-		rc = acpi_register_gsi(irq->interrupts[0],
-	                   irq->triggering, irq->polarity);
-		if (rc < 0)
-			return AE_ERROR;
-		port->irq = rc;
-	}
-	return AE_OK;
-}
-
-static acpi_status acpi_serial_resource(struct acpi_resource *res, void *data)
-{
-	struct uart_port *port = (struct uart_port *) data;
-	struct acpi_resource_address64 addr;
-	acpi_status status;
-
-	status = acpi_resource_to_address64(res, &addr);
-	if (ACPI_SUCCESS(status))
-		return acpi_serial_mmio(port, &addr);
-	else if (res->type == ACPI_RESOURCE_TYPE_IO)
-		return acpi_serial_port(port, &res->data.io);
-	else if (res->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ)
-		return acpi_serial_ext_irq(port, &res->data.extended_irq);
-	else if (res->type == ACPI_RESOURCE_TYPE_IRQ)
-		return acpi_serial_irq(port, &res->data.irq);
-	return AE_OK;
-}
-
-static int acpi_serial_add(struct acpi_device *device)
-{
-	struct serial_private *priv;
-	acpi_status status;
-	struct uart_port port;
-	int result;
-
-	memset(&port, 0, sizeof(struct uart_port));
-
-	port.uartclk = 1843200;
-	port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF;
-
-	priv = kmalloc(sizeof(struct serial_private), GFP_KERNEL);
-	if (!priv) {
-		result = -ENOMEM;
-		goto fail;
-	}
-	memset(priv, 0, sizeof(*priv));
-
-	status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
-				     acpi_serial_resource, &port);
-	if (ACPI_FAILURE(status)) {
-		result = -ENODEV;
-		goto fail;
-	}
-
-	if (!port.mapbase && !port.iobase) {
-		printk(KERN_ERR "%s: no iomem or port address in %s _CRS\n",
-			__FUNCTION__, device->pnp.bus_id);
-		result = -ENODEV;
-		goto fail;
-	}
-
-	priv->line = serial8250_register_port(&port);
-	if (priv->line < 0) {
-		printk(KERN_WARNING "Couldn't register serial port %s: %d\n",
-			device->pnp.bus_id, priv->line);
-		result = -ENODEV;
-		goto fail;
-	}
-
-	acpi_driver_data(device) = priv;
-	return 0;
-
-fail:
-	kfree(priv);
-
-	return result;
-}
-
-static int acpi_serial_remove(struct acpi_device *device, int type)
-{
-	struct serial_private *priv;
-
-	if (!device || !acpi_driver_data(device))
-		return -EINVAL;
-
-	priv = acpi_driver_data(device);
-	serial8250_unregister_port(priv->line);
-	kfree(priv);
-
-	return 0;
-}
-
-static struct acpi_driver acpi_serial_driver = {
-	.name =		"serial",
-	.class =	"",
-	.ids =		"PNP0501",
-	.ops =	{
-		.add =		acpi_serial_add,
-		.remove =	acpi_serial_remove,
-	},
-};
-
-static int __init acpi_serial_init(void)
-{
-	return acpi_bus_register_driver(&acpi_serial_driver);
-}
-
-static void __exit acpi_serial_exit(void)
-{
-	acpi_bus_unregister_driver(&acpi_serial_driver);
-}
-
-module_init(acpi_serial_init);
-module_exit(acpi_serial_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic 8250/16x50 ACPI serial driver");
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index c66ef96..ceb3697 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -77,14 +77,6 @@ config SERIAL_8250_CS
 
 	  If unsure, say N.
 
-config SERIAL_8250_ACPI
-	bool "8250/16550 device discovery via ACPI namespace"
-	default y if IA64
-	depends on ACPI && SERIAL_8250
-	---help---
-	  If you wish to enable serial port discovery via the ACPI
-	  namespace, say Y here.  If unsure, say N.
-
 config SERIAL_8250_NR_UARTS
 	int "Maximum number of 8250/16550 serial ports"
 	depends on SERIAL_8250
@@ -827,6 +819,7 @@ config SERIAL_ICOM
 	tristate "IBM Multiport Serial Adapter"
 	depends on PCI && (PPC_ISERIES || PPC_PSERIES)
 	select SERIAL_CORE
+	select FW_LOADER
 	help
 	  This driver is for a family of multiport serial adapters
 	  including 2 port RVX, 2 port internal modem, 4 port internal
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 50c221a..a3a4323 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -5,7 +5,6 @@
 #
 
 serial-8250-y :=
-serial-8250-$(CONFIG_SERIAL_8250_ACPI) += 8250_acpi.o
 serial-8250-$(CONFIG_PNP) += 8250_pnp.o
 serial-8250-$(CONFIG_GSC) += 8250_gsc.o
 serial-8250-$(CONFIG_PCI) += 8250_pci.o
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index e04d5e8..127d6cd 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -62,26 +62,8 @@
 
 #define AMBA_ISR_PASS_LIMIT	256
 
-/*
- * Access macros for the AMBA UARTs
- */
-#define UART_GET_INT_STATUS(p)	readb((p)->membase + UART010_IIR)
-#define UART_PUT_ICR(p, c)	writel((c), (p)->membase + UART010_ICR)
-#define UART_GET_FR(p)		readb((p)->membase + UART01x_FR)
-#define UART_GET_CHAR(p)	readb((p)->membase + UART01x_DR)
-#define UART_PUT_CHAR(p, c)	writel((c), (p)->membase + UART01x_DR)
-#define UART_GET_RSR(p)		readb((p)->membase + UART01x_RSR)
-#define UART_GET_CR(p)		readb((p)->membase + UART010_CR)
-#define UART_PUT_CR(p,c)	writel((c), (p)->membase + UART010_CR)
-#define UART_GET_LCRL(p)	readb((p)->membase + UART010_LCRL)
-#define UART_PUT_LCRL(p,c)	writel((c), (p)->membase + UART010_LCRL)
-#define UART_GET_LCRM(p)	readb((p)->membase + UART010_LCRM)
-#define UART_PUT_LCRM(p,c)	writel((c), (p)->membase + UART010_LCRM)
-#define UART_GET_LCRH(p)	readb((p)->membase + UART010_LCRH)
-#define UART_PUT_LCRH(p,c)	writel((c), (p)->membase + UART010_LCRH)
 #define UART_RX_DATA(s)		(((s) & UART01x_FR_RXFE) == 0)
 #define UART_TX_READY(s)	(((s) & UART01x_FR_TXFF) == 0)
-#define UART_TX_EMPTY(p)	((UART_GET_FR(p) & UART01x_FR_TMSK) == 0)
 
 #define UART_DUMMY_RSR_RX	/*256*/0
 #define UART_PORT_SIZE		64
@@ -110,36 +92,36 @@ static void pl010_stop_tx(struct uart_port *port)
 {
 	unsigned int cr;
 
-	cr = UART_GET_CR(port);
+	cr = readb(port->membase + UART010_CR);
 	cr &= ~UART010_CR_TIE;
-	UART_PUT_CR(port, cr);
+	writel(cr, port->membase + UART010_CR);
 }
 
 static void pl010_start_tx(struct uart_port *port)
 {
 	unsigned int cr;
 
-	cr = UART_GET_CR(port);
+	cr = readb(port->membase + UART010_CR);
 	cr |= UART010_CR_TIE;
-	UART_PUT_CR(port, cr);
+	writel(cr, port->membase + UART010_CR);
 }
 
 static void pl010_stop_rx(struct uart_port *port)
 {
 	unsigned int cr;
 
-	cr = UART_GET_CR(port);
+	cr = readb(port->membase + UART010_CR);
 	cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
-	UART_PUT_CR(port, cr);
+	writel(cr, port->membase + UART010_CR);
 }
 
 static void pl010_enable_ms(struct uart_port *port)
 {
 	unsigned int cr;
 
-	cr = UART_GET_CR(port);
+	cr = readb(port->membase + UART010_CR);
 	cr |= UART010_CR_MSIE;
-	UART_PUT_CR(port, cr);
+	writel(cr, port->membase + UART010_CR);
 }
 
 static void
@@ -152,9 +134,9 @@ pl010_rx_chars(struct uart_port *port)
 	struct tty_struct *tty = port->info->tty;
 	unsigned int status, ch, flag, rsr, max_count = 256;
 
-	status = UART_GET_FR(port);
+	status = readb(port->membase + UART01x_FR);
 	while (UART_RX_DATA(status) && max_count--) {
-		ch = UART_GET_CHAR(port);
+		ch = readb(port->membase + UART01x_DR);
 		flag = TTY_NORMAL;
 
 		port->icount.rx++;
@@ -163,7 +145,7 @@ pl010_rx_chars(struct uart_port *port)
 		 * Note that the error handling code is
 		 * out of the main execution path
 		 */
-		rsr = UART_GET_RSR(port) | UART_DUMMY_RSR_RX;
+		rsr = readb(port->membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
 		if (unlikely(rsr & UART01x_RSR_ANY)) {
 			if (rsr & UART01x_RSR_BE) {
 				rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
@@ -193,7 +175,7 @@ pl010_rx_chars(struct uart_port *port)
 		uart_insert_char(port, rsr, UART01x_RSR_OE, ch, flag);
 
 	ignore_char:
-		status = UART_GET_FR(port);
+		status = readb(port->membase + UART01x_FR);
 	}
 	tty_flip_buffer_push(tty);
 	return;
@@ -205,7 +187,7 @@ static void pl010_tx_chars(struct uart_port *port)
 	int count;
 
 	if (port->x_char) {
-		UART_PUT_CHAR(port, port->x_char);
+		writel(port->x_char, port->membase + UART01x_DR);
 		port->icount.tx++;
 		port->x_char = 0;
 		return;
@@ -217,7 +199,7 @@ static void pl010_tx_chars(struct uart_port *port)
 
 	count = port->fifosize >> 1;
 	do {
-		UART_PUT_CHAR(port, xmit->buf[xmit->tail]);
+		writel(xmit->buf[xmit->tail], port->membase + UART01x_DR);
 		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
 		port->icount.tx++;
 		if (uart_circ_empty(xmit))
@@ -236,9 +218,9 @@ static void pl010_modem_status(struct uart_port *port)
 	struct uart_amba_port *uap = (struct uart_amba_port *)port;
 	unsigned int status, delta;
 
-	UART_PUT_ICR(&uap->port, 0);
+	writel(0, uap->port.membase + UART010_ICR);
 
-	status = UART_GET_FR(&uap->port) & UART01x_FR_MODEM_ANY;
+	status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
 
 	delta = status ^ uap->old_status;
 	uap->old_status = status;
@@ -266,7 +248,7 @@ static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs)
 
 	spin_lock(&port->lock);
 
-	status = UART_GET_INT_STATUS(port);
+	status = readb(port->membase + UART010_IIR);
 	if (status) {
 		do {
 			if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
@@ -283,7 +265,7 @@ static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs)
 			if (pass_counter-- == 0)
 				break;
 
-			status = UART_GET_INT_STATUS(port);
+			status = readb(port->membase + UART010_IIR);
 		} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
 				   UART010_IIR_TIS));
 		handled = 1;
@@ -296,7 +278,7 @@ static irqreturn_t pl010_int(int irq, void *dev_id, struct pt_regs *regs)
 
 static unsigned int pl010_tx_empty(struct uart_port *port)
 {
-	return UART_GET_FR(port) & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
+	return readb(port->membase + UART01x_FR) & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
 }
 
 static unsigned int pl010_get_mctrl(struct uart_port *port)
@@ -304,7 +286,7 @@ static unsigned int pl010_get_mctrl(struct uart_port *port)
 	unsigned int result = 0;
 	unsigned int status;
 
-	status = UART_GET_FR(port);
+	status = readb(port->membase + UART01x_FR);
 	if (status & UART01x_FR_DCD)
 		result |= TIOCM_CAR;
 	if (status & UART01x_FR_DSR)
@@ -340,12 +322,12 @@ static void pl010_break_ctl(struct uart_port *port, int break_state)
 	unsigned int lcr_h;
 
 	spin_lock_irqsave(&port->lock, flags);
-	lcr_h = UART_GET_LCRH(port);
+	lcr_h = readb(port->membase + UART010_LCRH);
 	if (break_state == -1)
 		lcr_h |= UART01x_LCRH_BRK;
 	else
 		lcr_h &= ~UART01x_LCRH_BRK;
-	UART_PUT_LCRH(port, lcr_h);
+	writel(lcr_h, port->membase + UART010_LCRH);
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 
@@ -364,13 +346,13 @@ static int pl010_startup(struct uart_port *port)
 	/*
 	 * initialise the old status of the modem signals
 	 */
-	uap->old_status = UART_GET_FR(port) & UART01x_FR_MODEM_ANY;
+	uap->old_status = readb(port->membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
 
 	/*
 	 * Finally, enable interrupts
 	 */
-	UART_PUT_CR(port, UART01x_CR_UARTEN | UART010_CR_RIE |
-			  UART010_CR_RTIE);
+	writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
+	       port->membase + UART010_CR);
 
 	return 0;
 }
@@ -385,11 +367,12 @@ static void pl010_shutdown(struct uart_port *port)
 	/*
 	 * disable all interrupts, disable the port
 	 */
-	UART_PUT_CR(port, 0);
+	writel(0, port->membase + UART010_CR);
 
 	/* disable break condition and fifos */
-	UART_PUT_LCRH(port, UART_GET_LCRH(port) &
-		~(UART01x_LCRH_BRK | UART01x_LCRH_FEN));
+	writel(readb(port->membase + UART010_LCRH) &
+		~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
+	       port->membase + UART010_LCRH);
 }
 
 static void
@@ -466,25 +449,25 @@ pl010_set_termios(struct uart_port *port, struct termios *termios,
 		port->ignore_status_mask |= UART_DUMMY_RSR_RX;
 
 	/* first, disable everything */
-	old_cr = UART_GET_CR(port) & ~UART010_CR_MSIE;
+	old_cr = readb(port->membase + UART010_CR) & ~UART010_CR_MSIE;
 
 	if (UART_ENABLE_MS(port, termios->c_cflag))
 		old_cr |= UART010_CR_MSIE;
 
-	UART_PUT_CR(port, 0);
+	writel(0, port->membase + UART010_CR);
 
 	/* Set baud rate */
 	quot -= 1;
-	UART_PUT_LCRM(port, ((quot & 0xf00) >> 8));
-	UART_PUT_LCRL(port, (quot & 0xff));
+	writel((quot & 0xf00) >> 8, port->membase + UART010_LCRM);
+	writel(quot & 0xff, port->membase + UART010_LCRL);
 
 	/*
 	 * ----------v----------v----------v----------v-----
 	 * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
 	 * ----------^----------^----------^----------^-----
 	 */
-	UART_PUT_LCRH(port, lcr_h);
-	UART_PUT_CR(port, old_cr);
+	writel(lcr_h, port->membase + UART010_LCRH);
+	writel(old_cr, port->membase + UART010_CR);
 
 	spin_unlock_irqrestore(&port->lock, flags);
 }
@@ -593,9 +576,13 @@ static struct uart_amba_port amba_ports[UART_NR] = {
 
 static void pl010_console_putchar(struct uart_port *port, int ch)
 {
-	while (!UART_TX_READY(UART_GET_FR(port)))
+	unsigned int status;
+
+	do {
+		status = readb(port->membase + UART01x_FR);
 		barrier();
-	UART_PUT_CHAR(port, ch);
+	} while (!UART_TX_READY(status));
+	writel(ch, port->membase + UART01x_DR);
 }
 
 static void
@@ -607,8 +594,8 @@ pl010_console_write(struct console *co, const char *s, unsigned int count)
 	/*
 	 *	First save the CR then disable the interrupts
 	 */
-	old_cr = UART_GET_CR(port);
-	UART_PUT_CR(port, UART01x_CR_UARTEN);
+	old_cr = readb(port->membase + UART010_CR);
+	writel(UART01x_CR_UARTEN, port->membase + UART010_CR);
 
 	uart_console_write(port, s, count, pl010_console_putchar);
 
@@ -617,18 +604,19 @@ pl010_console_write(struct console *co, const char *s, unsigned int count)
 	 *	and restore the TCR
 	 */
 	do {
-		status = UART_GET_FR(port);
+		status = readb(port->membase + UART01x_FR);
+		barrier();
 	} while (status & UART01x_FR_BUSY);
-	UART_PUT_CR(port, old_cr);
+	writel(old_cr, port->membase + UART010_CR);
 }
 
 static void __init
 pl010_console_get_options(struct uart_port *port, int *baud,
 			     int *parity, int *bits)
 {
-	if (UART_GET_CR(port) & UART01x_CR_UARTEN) {
+	if (readb(port->membase + UART010_CR) & UART01x_CR_UARTEN) {
 		unsigned int lcr_h, quot;
-		lcr_h = UART_GET_LCRH(port);
+		lcr_h = readb(port->membase + UART010_LCRH);
 
 		*parity = 'n';
 		if (lcr_h & UART01x_LCRH_PEN) {
@@ -643,7 +631,7 @@ pl010_console_get_options(struct uart_port *port, int *baud,
 		else
 			*bits = 8;
 
-		quot = UART_GET_LCRL(port) | UART_GET_LCRM(port) << 8;
+		quot = readb(port->membase + UART010_LCRL) | readb(port->membase + UART010_LCRM) << 8;
 		*baud = port->uartclk / (16 * (quot + 1));
 	}
 }