6 files changed, 80 insertions, 209 deletions

diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index 5d80edfc61b7..bb0c376b62b3 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -466,7 +466,8 @@ CONFIG_FW_LOADER=y
 #
 # Plug and Play support
 #
-# CONFIG_PNP is not set
+CONFIG_PNP=y
+CONFIG_PNPACPI=y
 
 #
 # Block devices
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 399b0e8c41c4..856c32bccacb 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -37,7 +37,7 @@ endif
 
 obj-y                           += sleep/
 obj-y                           += bus.o glue.o
-obj-y                           += scan.o motherboard.o
+obj-y                           += scan.o
 obj-$(CONFIG_ACPI_AC)           += ac.o
 obj-$(CONFIG_ACPI_BATTERY)      += battery.o
 obj-$(CONFIG_ACPI_BUTTON)       += button.o
diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
deleted file mode 100644
index 8f13b4f3e906..000000000000
--- a/drivers/acpi/motherboard.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/* 
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *  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.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-/* Purpose: Prevent PCMCIA cards from using motherboard resources. */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <asm/io.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define _COMPONENT              ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("acpi_motherboard")
-
-/* Dell use PNP0C01 instead of PNP0C02 */
-#define ACPI_MB_HID                     "PNP0C01,PNP0C02"
-/**
- * Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved
- * Doesn't care about the failure of 'request_region', since other may reserve
- * the io ports as well
- */
-#define IS_RESERVED_ADDR(base, len) \
-        (((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
-        && ((base) + (len) > PCIBIOS_MIN_IO))
-/*
- * Clearing the flag (IORESOURCE_BUSY) allows drivers to use
- * the io ports if they really know they can use it, while
- * still preventing hotplug PCI devices from using it.
- */
-
-/*
- * When CONFIG_PNP is enabled, pnp/system.c binds to PNP0C01
- * and PNP0C02, redundant with acpi_reserve_io_ranges().
- * But acpi_reserve_io_ranges() is necessary for !CONFIG_PNP.
- */
-static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data)
-{
-        struct resource *requested_res = NULL;
-
-
-        if (res->type == ACPI_RESOURCE_TYPE_IO) {
-                struct acpi_resource_io *io_res = &res->data.io;
-
-                if (io_res->minimum != io_res->maximum)
-                        return AE_OK;
-                if (IS_RESERVED_ADDR
-                    (io_res->minimum, io_res->address_length)) {
-                        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                          "Motherboard resources 0x%08x - 0x%08x\n",
-                                          io_res->minimum,
-                                          io_res->minimum +
-                                          io_res->address_length));
-                        requested_res =
-                            request_region(io_res->minimum,
-                                           io_res->address_length, "motherboard");
-                }
-        } else if (res->type == ACPI_RESOURCE_TYPE_FIXED_IO) {
-                struct acpi_resource_fixed_io *fixed_io_res =
-                    &res->data.fixed_io;
-
-                if (IS_RESERVED_ADDR
-                    (fixed_io_res->address, fixed_io_res->address_length)) {
-                        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                                          "Motherboard resources 0x%08x - 0x%08x\n",
-                                          fixed_io_res->address,
-                                          fixed_io_res->address +
-                                          fixed_io_res->address_length));
-                        requested_res =
-                            request_region(fixed_io_res->address,
-                                           fixed_io_res->address_length,
-                                           "motherboard");
-                }
-        } else {
-                /* Memory mapped IO? */
-        }
-
-        if (requested_res)
-                requested_res->flags &= ~IORESOURCE_BUSY;
-        return AE_OK;
-}
-
-static int acpi_motherboard_add(struct acpi_device *device)
-{
-        if (!device)
-                return -EINVAL;
-        acpi_walk_resources(device->handle, METHOD_NAME__CRS,
-                            acpi_reserve_io_ranges, NULL);
-
-        return 0;
-}
-
-static struct acpi_driver acpi_motherboard_driver = {
-        .name = "motherboard",
-        .class = "",
-        .ids = ACPI_MB_HID,
-        .ops = {
-                .add = acpi_motherboard_add,
-                },
-};
-
-static void __init acpi_request_region (struct acpi_generic_address *addr,
-        unsigned int length, char *desc)
-{
-        if (!addr->address || !length)
-                return;
-
-        if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
-                request_region(addr->address, length, desc);
-        else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
-                request_mem_region(addr->address, length, desc);
-}
-
-static void __init acpi_reserve_resources(void)
-{
-        acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block,
-                               acpi_gbl_FADT.pm1_event_length, "ACPI PM1a_EVT_BLK");
-
-        acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block,
-                               acpi_gbl_FADT.pm1_event_length, "ACPI PM1b_EVT_BLK");
-
-        acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block,
-                               acpi_gbl_FADT.pm1_control_length, "ACPI PM1a_CNT_BLK");
-
-        acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block,
-                               acpi_gbl_FADT.pm1_control_length, "ACPI PM1b_CNT_BLK");
-
-        if (acpi_gbl_FADT.pm_timer_length == 4)
-                acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
-
-        acpi_request_region(&acpi_gbl_FADT.xpm2_control_block,
-                               acpi_gbl_FADT.pm2_control_length, "ACPI PM2_CNT_BLK");
-
-        /* Length of GPE blocks must be a non-negative multiple of 2 */
-
-        if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
-                acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
-                               acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
-
-        if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
-                acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
-                               acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
-}
-
-static int __init acpi_motherboard_init(void)
-{
-        acpi_bus_register_driver(&acpi_motherboard_driver);
-        /*
-         * Guarantee motherboard IO reservation first
-         * This module must run after scan.c
-         */
-        if (!acpi_disabled)
-                acpi_reserve_resources();
-        return 0;
-}
-
-/**
- * Reserve motherboard resources after PCI claim BARs,
- * but before PCI assign resources for uninitialized PCI devices
- */
-fs_initcall(acpi_motherboard_init);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index a28f5b8972b4..0f6f3bcbc8eb 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -76,6 +76,54 @@ static acpi_osd_handler acpi_irq_handler;
 static void *acpi_irq_context;
 static struct workqueue_struct *kacpid_wq;
 
+static void __init acpi_request_region (struct acpi_generic_address *addr,
+        unsigned int length, char *desc)
+{
+        struct resource *res;
+
+        if (!addr->address || !length)
+                return;
+
+        if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+                res = request_region(addr->address, length, desc);
+        else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+                res = request_mem_region(addr->address, length, desc);
+}
+
+static int __init acpi_reserve_resources(void)
+{
+        acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length,
+                "ACPI PM1a_EVT_BLK");
+
+        acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block, acpi_gbl_FADT.pm1_event_length,
+                "ACPI PM1b_EVT_BLK");
+
+        acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block, acpi_gbl_FADT.pm1_control_length,
+                "ACPI PM1a_CNT_BLK");
+
+        acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block, acpi_gbl_FADT.pm1_control_length,
+                "ACPI PM1b_CNT_BLK");
+
+        if (acpi_gbl_FADT.pm_timer_length == 4)
+                acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
+
+        acpi_request_region(&acpi_gbl_FADT.xpm2_control_block, acpi_gbl_FADT.pm2_control_length,
+                "ACPI PM2_CNT_BLK");
+
+        /* Length of GPE blocks must be a non-negative multiple of 2 */
+
+        if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
+                acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
+                               acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
+
+        if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
+                acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
+                               acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
+
+        return 0;
+}
+device_initcall(acpi_reserve_resources);
+
 acpi_status acpi_os_initialize(void)
 {
         return AE_OK;
diff --git a/drivers/pnp/pnpacpi/Kconfig b/drivers/pnp/pnpacpi/Kconfig
index b1854171b963..ad27e5e0101f 100644
--- a/drivers/pnp/pnpacpi/Kconfig
+++ b/drivers/pnp/pnpacpi/Kconfig
@@ -2,8 +2,8 @@
 # Plug and Play ACPI configuration
 #
 config PNPACPI
-        bool "Plug and Play ACPI support (EXPERIMENTAL)"
-        depends on PNP && ACPI && EXPERIMENTAL
+        bool "Plug and Play ACPI support"
+        depends on PNP && ACPI
         default y
         ---help---
           Linux uses the PNPACPI to autodetect built-in
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index d42015c382af..2065e74bb63f 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -3,7 +3,8 @@
  *
  * Some code is based on pnpbios_core.c
  * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
- *
+ * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
+ *      Bjorn Helgaas <bjorn.helgaas@hp.com>
  */
 
 #include <linux/pnp.h>
@@ -21,18 +22,21 @@ static const struct pnp_device_id pnp_dev_table[] = {
         {       "",                     0       }
 };
 
-static void reserve_ioport_range(char *pnpid, int start, int end)
+static void reserve_range(char *pnpid, int start, int end, int port)
 {
         struct resource *res;
         char *regionid;
 
         regionid = kmalloc(16, GFP_KERNEL);
-        if ( regionid == NULL )
+        if (regionid == NULL)
                 return;
         snprintf(regionid, 16, "pnp %s", pnpid);
-        res = request_region(start,end-start+1,regionid);
-        if ( res == NULL )
-                kfree( regionid );
+        if (port)
+                res = request_region(start,end-start+1,regionid);
+        else
+                res = request_mem_region(start,end-start+1,regionid);
+        if (res == NULL)
+                kfree(regionid);
         else
                 res->flags &= ~IORESOURCE_BUSY;
         /*
@@ -41,26 +45,20 @@ static void reserve_ioport_range(char *pnpid, int start, int end)
          * have double reservations.
          */
         printk(KERN_INFO
-                "pnp: %s: ioport range 0x%x-0x%x %s reserved\n",
-                pnpid, start, end,
-                NULL != res ? "has been" : "could not be"
-        );
-
-        return;
+                "pnp: %s: %s range 0x%x-0x%x %s reserved\n",
+                pnpid, port ? "ioport" : "iomem", start, end,
+                NULL != res ? "has been" : "could not be");
 }
 
-static void reserve_resources_of_dev( struct pnp_dev *dev )
+static void reserve_resources_of_dev(struct pnp_dev *dev)
 {
         int i;
 
-        for (i=0;i<PNP_MAX_PORT;i++) {
+        for (i = 0; i < PNP_MAX_PORT; i++) {
                 if (!pnp_port_valid(dev, i))
-                        /* end of resources */
                         continue;
                 if (pnp_port_start(dev, i) == 0)
-                        /* disabled */
-                        /* Do nothing */
-                        continue;
+                        continue;       /* disabled */
                 if (pnp_port_start(dev, i) < 0x100)
                         /*
                          * Below 0x100 is only standard PC hardware
@@ -72,14 +70,18 @@ static void reserve_resources_of_dev( struct pnp_dev *dev )
                          */
                         continue;
                 if (pnp_port_end(dev, i) < pnp_port_start(dev, i))
-                        /* invalid endpoint */
-                        /* Do nothing */
+                        continue;       /* invalid */
+
+                reserve_range(dev->dev.bus_id, pnp_port_start(dev, i),
+                        pnp_port_end(dev, i), 1);
+        }
+
+        for (i = 0; i < PNP_MAX_MEM; i++) {
+                if (!pnp_mem_valid(dev, i))
                         continue;
-                reserve_ioport_range(
-                        dev->dev.bus_id,
-                        pnp_port_start(dev, i),
-                        pnp_port_end(dev, i)
-                );
+
+                reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i),
+                        pnp_mem_end(dev, i), 0);
         }
 
         return;