[SERIAL] remove 8250_acpi (replaced by 8250_pnp and PNPACPI)

With the combination of PNPACPI and 8250_pnp, we no longer need 8250_acpi.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 0 insertions, 192 deletions

diff --git a/drivers/serial/8250_acpi.c b/drivers/serial/8250_acpi.c
deleted file mode 100644
index 809f89ab965c..000000000000
--- 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 d0a10faed143..ceb3697bf84d 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
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 50c221af9e6d..a3a4323d9c86 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