Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (41 commits)
  ACPICA: hw: Don't carry spinlock over suspend
  ACPICA: hw: remove use_lock flag from acpi_hw_register_{read, write}
  ACPI: cpuidle: port idle timer suspend/resume workaround to cpuidle
  ACPI: clean up acpi_enter_sleep_state_prep
  Hibernation: Make sure that ACPI is enabled in acpi_hibernation_finish
  ACPI: suppress uninitialized var warning
  cpuidle: consolidate 2.6.22 cpuidle branch into one patch
  ACPI: thinkpad-acpi: skip blanks before the data when parsing sysfs
  ACPI: AC: Add sysfs interface
  ACPI: SBS: Add sysfs alarm
  ACPI: SBS: Add ACPI_PROCFS around procfs handling code.
  ACPI: SBS: Add support for power_supply class (and sysfs)
  ACPI: SBS: Make SBS reads table-driven.
  ACPI: SBS: Simplify data structures in SBS
  ACPI: SBS: Split host controller (ACPI0001) from SBS driver (ACPI0002)
  ACPI: EC: Add new query handler to list head.
  ACPI: Add acpi_bus_generate_event4() function
  ACPI: Battery: add sysfs alarm
  ACPI: Battery: Add sysfs support
  ACPI: Battery: Misc clean-ups, no functional changes
  ...

Fix up conflicts in drivers/misc/thinkpad_acpi.[ch] manually

6 files changed, 715 insertions, 109 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 346c44eff95..cf02ddc3436 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -111,6 +111,21 @@ config ASUS_LAPTOP
 
 	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
 
+config FUJITSU_LAPTOP
+        tristate "Fujitsu Laptop Extras"
+        depends on X86
+        depends on ACPI
+        depends on BACKLIGHT_CLASS_DEVICE
+        ---help---
+	  This is a driver for laptops built by Fujitsu:
+
+	    * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks
+	    * Possibly other Fujitsu laptop models
+
+	  It adds support for LCD brightness control.
+
+	  If you have a Fujitsu laptop, say Y or M here.
+
 config MSI_LAPTOP
         tristate "MSI Laptop Extras"
         depends on X86
@@ -134,6 +149,7 @@ config SONY_LAPTOP
 	tristate "Sony Laptop Extras"
 	depends on X86 && ACPI
 	select BACKLIGHT_CLASS_DEVICE
+	depends on INPUT
 	  ---help---
 	  This mini-driver drives the SNC and SPIC devices present in the ACPI
 	  BIOS of the Sony Vaio laptops.
@@ -156,6 +172,7 @@ config THINKPAD_ACPI
 	select BACKLIGHT_CLASS_DEVICE
 	select HWMON
 	select NVRAM
+	depends on INPUT
 	---help---
 	  This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
 	  support for Fn-Fx key combinations, Bluetooth control, video
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index a24c61475c2..87f2685d728 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -15,4 +15,5 @@ obj-$(CONFIG_PHANTOM)		+= phantom.o
 obj-$(CONFIG_SGI_IOC4)		+= ioc4.o
 obj-$(CONFIG_SONY_LAPTOP)	+= sony-laptop.o
 obj-$(CONFIG_THINKPAD_ACPI)	+= thinkpad_acpi.o
+obj-$(CONFIG_FUJITSU_LAPTOP)	+= fujitsu-laptop.o
 obj-$(CONFIG_EEPROM_93CX6)	+= eeprom_93cx6.o
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
new file mode 100644
index 00000000000..d366a6cc1fd
--- /dev/null
+++ b/drivers/misc/fujitsu-laptop.c
@@ -0,0 +1,358 @@
+/*-*-linux-c-*-*/
+
+/*
+  Copyright (C) 2007 Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
+  Based on earlier work:
+    Copyright (C) 2003 Shane Spencer <shane@bogomip.com>
+    Adrian Yee <brewt-fujitsu@brewt.org>
+
+  Templated from msi-laptop.c which is copyright by its respective authors.
+
+  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., 51 Franklin Street, Fifth Floor, Boston, MA
+  02110-1301, USA.
+ */
+
+/*
+ * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional
+ * features made available on a range of Fujitsu laptops including the
+ * P2xxx/P5xxx/S6xxx/S7xxx series.
+ *
+ * This driver exports a few files in /sys/devices/platform/fujitsu-laptop/;
+ * others may be added at a later date.
+ *
+ *   lcd_level - Screen brightness: contains a single integer in the
+ *   range 0..7. (rw)
+ *
+ * In addition to these platform device attributes the driver
+ * registers itself in the Linux backlight control subsystem and is
+ * available to userspace under /sys/class/backlight/fujitsu-laptop/.
+ *
+ * This driver has been tested on a Fujitsu Lifebook S7020.  It should
+ * work on most P-series and S-series Lifebooks, but YMMV.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/acpi.h>
+#include <linux/dmi.h>
+#include <linux/backlight.h>
+#include <linux/platform_device.h>
+#include <linux/autoconf.h>
+
+#define FUJITSU_DRIVER_VERSION "0.3"
+
+#define FUJITSU_LCD_N_LEVELS 8
+
+#define ACPI_FUJITSU_CLASS              "fujitsu"
+#define ACPI_FUJITSU_HID                "FUJ02B1"
+#define ACPI_FUJITSU_DRIVER_NAME        "Fujitsu laptop FUJ02B1 ACPI extras driver"
+#define ACPI_FUJITSU_DEVICE_NAME        "Fujitsu FUJ02B1"
+
+struct fujitsu_t {
+	acpi_handle acpi_handle;
+	struct backlight_device *bl_device;
+	struct platform_device *pf_device;
+
+	unsigned long fuj02b1_state;
+	unsigned int brightness_changed;
+	unsigned int brightness_level;
+};
+
+static struct fujitsu_t *fujitsu;
+
+/* Hardware access */
+
+static int set_lcd_level(int level)
+{
+	acpi_status status = AE_OK;
+	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+	struct acpi_object_list arg_list = { 1, &arg0 };
+	acpi_handle handle = NULL;
+
+	if (level < 0 || level >= FUJITSU_LCD_N_LEVELS)
+		return -EINVAL;
+
+	if (!fujitsu)
+		return -EINVAL;
+
+	status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
+	if (ACPI_FAILURE(status)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SBLL not present\n"));
+		return -ENODEV;
+	}
+
+	arg0.integer.value = level;
+
+	status = acpi_evaluate_object(handle, NULL, &arg_list, NULL);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	return 0;
+}
+
+static int get_lcd_level(void)
+{
+	unsigned long state = 0;
+	acpi_status status = AE_OK;
+
+	// Get the Brightness
+	status =
+	    acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
+	if (status < 0)
+		return status;
+
+	fujitsu->fuj02b1_state = state;
+	fujitsu->brightness_level = state & 0x0fffffff;
+
+	if (state & 0x80000000)
+		fujitsu->brightness_changed = 1;
+	else
+		fujitsu->brightness_changed = 0;
+
+	if (status < 0)
+		return status;
+
+	return fujitsu->brightness_level;
+}
+
+/* Backlight device stuff */
+
+static int bl_get_brightness(struct backlight_device *b)
+{
+	return get_lcd_level();
+}
+
+static int bl_update_status(struct backlight_device *b)
+{
+	return set_lcd_level(b->props.brightness);
+}
+
+static struct backlight_ops fujitsubl_ops = {
+	.get_brightness = bl_get_brightness,
+	.update_status = bl_update_status,
+};
+
+/* Platform device */
+
+static ssize_t show_lcd_level(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+
+	int ret;
+
+	ret = get_lcd_level();
+	if (ret < 0)
+		return ret;
+
+	return sprintf(buf, "%i\n", ret);
+}
+
+static ssize_t store_lcd_level(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+
+	int level, ret;
+
+	if (sscanf(buf, "%i", &level) != 1
+	    || (level < 0 || level >= FUJITSU_LCD_N_LEVELS))
+		return -EINVAL;
+
+	ret = set_lcd_level(level);
+	if (ret < 0)
+		return ret;
+
+	return count;
+}
+
+static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
+
+static struct attribute *fujitsupf_attributes[] = {
+	&dev_attr_lcd_level.attr,
+	NULL
+};
+
+static struct attribute_group fujitsupf_attribute_group = {
+	.attrs = fujitsupf_attributes
+};
+
+static struct platform_driver fujitsupf_driver = {
+	.driver = {
+		   .name = "fujitsu-laptop",
+		   .owner = THIS_MODULE,
+		   }
+};
+
+/* ACPI device */
+
+int acpi_fujitsu_add(struct acpi_device *device)
+{
+	int result = 0;
+	int state = 0;
+
+	ACPI_FUNCTION_TRACE("acpi_fujitsu_add");
+
+	if (!device)
+		return -EINVAL;
+
+	fujitsu->acpi_handle = device->handle;
+	sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME);
+	sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
+	acpi_driver_data(device) = fujitsu;
+
+	result = acpi_bus_get_power(fujitsu->acpi_handle, &state);
+	if (result) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Error reading power state\n"));
+		goto end;
+	}
+
+	printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
+	       acpi_device_name(device), acpi_device_bid(device),
+	       !device->power.state ? "on" : "off");
+
+      end:
+
+	return result;
+}
+
+int acpi_fujitsu_remove(struct acpi_device *device, int type)
+{
+	ACPI_FUNCTION_TRACE("acpi_fujitsu_remove");
+
+	if (!device || !acpi_driver_data(device))
+		return -EINVAL;
+	fujitsu->acpi_handle = 0;
+
+	return 0;
+}
+
+static const struct acpi_device_id fujitsu_device_ids[] = {
+	{ACPI_FUJITSU_HID, 0},
+	{"", 0},
+};
+
+static struct acpi_driver acpi_fujitsu_driver = {
+	.name = ACPI_FUJITSU_DRIVER_NAME,
+	.class = ACPI_FUJITSU_CLASS,
+	.ids = fujitsu_device_ids,
+	.ops = {
+		.add = acpi_fujitsu_add,
+		.remove = acpi_fujitsu_remove,
+		},
+};
+
+/* Initialization */
+
+static int __init fujitsu_init(void)
+{
+	int ret, result;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	fujitsu = kmalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
+	if (!fujitsu)
+		return -ENOMEM;
+	memset(fujitsu, 0, sizeof(struct fujitsu_t));
+
+	result = acpi_bus_register_driver(&acpi_fujitsu_driver);
+	if (result < 0) {
+		ret = -ENODEV;
+		goto fail_acpi;
+	}
+
+	/* Register backlight stuff */
+
+	fujitsu->bl_device =
+	    backlight_device_register("fujitsu-laptop", NULL, NULL,
+				      &fujitsubl_ops);
+	if (IS_ERR(fujitsu->bl_device))
+		return PTR_ERR(fujitsu->bl_device);
+
+	fujitsu->bl_device->props.max_brightness = FUJITSU_LCD_N_LEVELS - 1;
+	ret = platform_driver_register(&fujitsupf_driver);
+	if (ret)
+		goto fail_backlight;
+
+	/* Register platform stuff */
+
+	fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
+	if (!fujitsu->pf_device) {
+		ret = -ENOMEM;
+		goto fail_platform_driver;
+	}
+
+	ret = platform_device_add(fujitsu->pf_device);
+	if (ret)
+		goto fail_platform_device1;
+
+	ret =
+	    sysfs_create_group(&fujitsu->pf_device->dev.kobj,
+			       &fujitsupf_attribute_group);
+	if (ret)
+		goto fail_platform_device2;
+
+	printk(KERN_INFO "fujitsu-laptop: driver " FUJITSU_DRIVER_VERSION
+	       " successfully loaded.\n");
+
+	return 0;
+
+      fail_platform_device2:
+
+	platform_device_del(fujitsu->pf_device);
+
+      fail_platform_device1:
+
+	platform_device_put(fujitsu->pf_device);
+
+      fail_platform_driver:
+
+	platform_driver_unregister(&fujitsupf_driver);
+
+      fail_backlight:
+
+	backlight_device_unregister(fujitsu->bl_device);
+
+      fail_acpi:
+
+	kfree(fujitsu);
+
+	return ret;
+}
+
+static void __exit fujitsu_cleanup(void)
+{
+	sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
+			   &fujitsupf_attribute_group);
+	platform_device_unregister(fujitsu->pf_device);
+	platform_driver_unregister(&fujitsupf_driver);
+	backlight_device_unregister(fujitsu->bl_device);
+
+	acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+
+	kfree(fujitsu);
+
+	printk(KERN_INFO "fujitsu-laptop: driver unloaded.\n");
+}
+
+module_init(fujitsu_init);
+module_exit(fujitsu_cleanup);
+
+MODULE_AUTHOR("Jonathan Woithe");
+MODULE_DESCRIPTION("Fujitsu laptop extras support");
+MODULE_VERSION(FUJITSU_DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 86da96becd2..1bfbb87e579 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -1173,7 +1173,8 @@ static struct acpi_driver sony_nc_driver = {
 #define SONYPI_TYPE3_OFFSET	0x12
 
 struct sony_pic_ioport {
-	struct acpi_resource_io	io;
+	struct acpi_resource_io	io1;
+	struct acpi_resource_io	io2;
 	struct list_head	list;
 };
 
@@ -1443,11 +1444,11 @@ static u8 sony_pic_call1(u8 dev)
 {
 	u8 v1, v2;
 
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
 			ITERATIONS_LONG);
-	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
-	v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
-	v2 = inb_p(spic_dev.cur_ioport->io.minimum);
+	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
+	v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
+	v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
 	dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
 	return v2;
 }
@@ -1456,13 +1457,13 @@ static u8 sony_pic_call2(u8 dev, u8 fn)
 {
 	u8 v1;
 
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
 			ITERATIONS_LONG);
-	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
+	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
 			ITERATIONS_LONG);
-	outb(fn, spic_dev.cur_ioport->io.minimum);
-	v1 = inb_p(spic_dev.cur_ioport->io.minimum);
+	outb(fn, spic_dev.cur_ioport->io1.minimum);
+	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
 	dprintk("sony_pic_call2: 0x%.4x\n", v1);
 	return v1;
 }
@@ -1471,13 +1472,13 @@ static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
 {
 	u8 v1;
 
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
-	outb(dev, spic_dev.cur_ioport->io.minimum + 4);
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
-	outb(fn, spic_dev.cur_ioport->io.minimum);
-	wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
-	outb(v, spic_dev.cur_ioport->io.minimum);
-	v1 = inb_p(spic_dev.cur_ioport->io.minimum);
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
+	outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
+	outb(fn, spic_dev.cur_ioport->io1.minimum);
+	wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
+	outb(v, spic_dev.cur_ioport->io1.minimum);
+	v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
 	dprintk("sony_pic_call3: 0x%.4x\n", v1);
 	return v1;
 }
@@ -2074,7 +2075,18 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
 
 	switch (resource->type) {
 	case ACPI_RESOURCE_TYPE_START_DEPENDENT:
+		{
+			/* start IO enumeration */
+			struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
+			if (!ioport)
+				return AE_ERROR;
+
+			list_add(&ioport->list, &dev->ioports);
+			return AE_OK;
+		}
+
 	case ACPI_RESOURCE_TYPE_END_DEPENDENT:
+		/* end IO enumeration */
 		return AE_OK;
 
 	case ACPI_RESOURCE_TYPE_IRQ:
@@ -2101,7 +2113,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
 				if (!interrupt)
 					return AE_ERROR;
 
-				list_add_tail(&interrupt->list, &dev->interrupts);
+				list_add(&interrupt->list, &dev->interrupts);
 				interrupt->irq.triggering = p->triggering;
 				interrupt->irq.polarity = p->polarity;
 				interrupt->irq.sharable = p->sharable;
@@ -2113,18 +2125,27 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
 	case ACPI_RESOURCE_TYPE_IO:
 		{
 			struct acpi_resource_io *io = &resource->data.io;
-			struct sony_pic_ioport *ioport = NULL;
+			struct sony_pic_ioport *ioport =
+				list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
 			if (!io) {
 				dprintk("Blank IO resource\n");
 				return AE_OK;
 			}
 
-			ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
-			if (!ioport)
+			if (!ioport->io1.minimum) {
+				memcpy(&ioport->io1, io, sizeof(*io));
+				dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
+						ioport->io1.address_length);
+			}
+			else if (!ioport->io2.minimum) {
+				memcpy(&ioport->io2, io, sizeof(*io));
+				dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
+						ioport->io2.address_length);
+			}
+			else {
+				printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
 				return AE_ERROR;
-
-			list_add_tail(&ioport->list, &dev->ioports);
-			memcpy(&ioport->io, io, sizeof(*io));
+			}
 			return AE_OK;
 		}
 	default:
@@ -2199,10 +2220,22 @@ static int sony_pic_enable(struct acpi_device *device,
 {
 	acpi_status status;
 	int result = 0;
+	/* Type 1 resource layout is:
+	 *    IO
+	 *    IO
+	 *    IRQNoFlags
+	 *    End
+	 *
+	 * Type 2 and 3 resource layout is:
+	 *    IO
+	 *    IRQNoFlags
+	 *    End
+	 */
 	struct {
-		struct acpi_resource io_res;
-		struct acpi_resource irq_res;
-		struct acpi_resource end;
+		struct acpi_resource res1;
+		struct acpi_resource res2;
+		struct acpi_resource res3;
+		struct acpi_resource res4;
 	} *resource;
 	struct acpi_buffer buffer = { 0, NULL };
 
@@ -2217,21 +2250,49 @@ static int sony_pic_enable(struct acpi_device *device,
 	buffer.length = sizeof(*resource) + 1;
 	buffer.pointer = resource;
 
-	/* setup io resource */
-	resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
-	resource->io_res.length = sizeof(struct acpi_resource);
-	memcpy(&resource->io_res.data.io, &ioport->io,
-			sizeof(struct acpi_resource_io));
+	/* setup Type 1 resources */
+	if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
 
-	/* setup irq resource */
-	resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
-	resource->irq_res.length = sizeof(struct acpi_resource);
-	memcpy(&resource->irq_res.data.irq, &irq->irq,
-			sizeof(struct acpi_resource_irq));
-	/* we requested a shared irq */
-	resource->irq_res.data.irq.sharable = ACPI_SHARED;
+		/* setup io resources */
+		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
+		resource->res1.length = sizeof(struct acpi_resource);
+		memcpy(&resource->res1.data.io, &ioport->io1,
+				sizeof(struct acpi_resource_io));
 
-	resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
+		resource->res2.type = ACPI_RESOURCE_TYPE_IO;
+		resource->res2.length = sizeof(struct acpi_resource);
+		memcpy(&resource->res2.data.io, &ioport->io2,
+				sizeof(struct acpi_resource_io));
+
+		/* setup irq resource */
+		resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
+		resource->res3.length = sizeof(struct acpi_resource);
+		memcpy(&resource->res3.data.irq, &irq->irq,
+				sizeof(struct acpi_resource_irq));
+		/* we requested a shared irq */
+		resource->res3.data.irq.sharable = ACPI_SHARED;
+
+		resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
+
+	}
+	/* setup Type 2/3 resources */
+	else {
+		/* setup io resource */
+		resource->res1.type = ACPI_RESOURCE_TYPE_IO;
+		resource->res1.length = sizeof(struct acpi_resource);
+		memcpy(&resource->res1.data.io, &ioport->io1,
+				sizeof(struct acpi_resource_io));
+
+		/* setup irq resource */
+		resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
+		resource->res2.length = sizeof(struct acpi_resource);
+		memcpy(&resource->res2.data.irq, &irq->irq,
+				sizeof(struct acpi_resource_irq));
+		/* we requested a shared irq */
+		resource->res2.data.irq.sharable = ACPI_SHARED;
+
+		resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
+	}
 
 	/* Attempt to set the resource */
 	dprintk("Evaluating _SRS\n");
@@ -2239,7 +2300,7 @@ static int sony_pic_enable(struct acpi_device *device,
 
 	/* check for total failure */
 	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
+		printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
 		result = -ENODEV;
 		goto end;
 	}
@@ -2268,11 +2329,14 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id)
 
 	struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
 
-	ev = inb_p(dev->cur_ioport->io.minimum);
-	data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset);
+	ev = inb_p(dev->cur_ioport->io1.minimum);
+	if (dev->cur_ioport->io2.minimum)
+		data_mask = inb_p(dev->cur_ioport->io2.minimum);
+	else
+		data_mask = inb_p(dev->cur_ioport->io1.minimum + dev->evport_offset);
 
 	dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
-			ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset);
+			ev, data_mask, dev->cur_ioport->io1.minimum, dev->evport_offset);
 
 	if (ev == 0x00 || ev == 0xff)
 		return IRQ_HANDLED;
@@ -2323,8 +2387,11 @@ static int sony_pic_remove(struct acpi_device *device, int type)
 	}
 
 	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
-	release_region(spic_dev.cur_ioport->io.minimum,
-			spic_dev.cur_ioport->io.address_length);
+	release_region(spic_dev.cur_ioport->io1.minimum,
+			spic_dev.cur_ioport->io1.address_length);
+	if (spic_dev.cur_ioport->io2.minimum)
+		release_region(spic_dev.cur_ioport->io2.minimum,
+				spic_dev.cur_ioport->io2.address_length);
 
 	sonypi_compat_exit();
 
@@ -2397,14 +2464,36 @@ static int sony_pic_add(struct acpi_device *device)
 		goto err_remove_input;
 
 	/* request io port */
-	list_for_each_entry(io, &spic_dev.ioports, list) {
-		if (request_region(io->io.minimum, io->io.address_length,
+	list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
+		if (request_region(io->io1.minimum, io->io1.address_length,
 					"Sony Programable I/O Device")) {
-			dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
-					io->io.minimum, io->io.maximum,
-					io->io.address_length);
-			spic_dev.cur_ioport = io;
-			break;
+			dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
+					io->io1.minimum, io->io1.maximum,
+					io->io1.address_length);
+			/* Type 1 have 2 ioports */
+			if (io->io2.minimum) {
+				if (request_region(io->io2.minimum,
+						io->io2.address_length,
+						"Sony Programable I/O Device")) {
+					dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
+							io->io2.minimum, io->io2.maximum,
+							io->io2.address_length);
+					spic_dev.cur_ioport = io;
+					break;
+				}
+				else {
+					dprintk("Unable to get I/O port2: "
+							"0x%.4x (0x%.4x) + 0x%.2x\n",
+							io->io2.minimum, io->io2.maximum,
+							io->io2.address_length);
+					release_region(io->io1.minimum,
+							io->io1.address_length);
+				}
+			}
+			else {
+				spic_dev.cur_ioport = io;
+				break;
+			}
 		}
 	}
 	if (!spic_dev.cur_ioport) {
@@ -2414,7 +2503,7 @@ static int sony_pic_add(struct acpi_device *device)
 	}
 
 	/* request IRQ */
-	list_for_each_entry(irq, &spic_dev.interrupts, list) {
+	list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
 		if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
 					IRQF_SHARED, "sony-laptop", &spic_dev)) {
 			dprintk("IRQ: %d - triggering: %d - "
@@ -2462,8 +2551,11 @@ err_free_irq:
 	free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
 
 err_release_region:
-	release_region(spic_dev.cur_ioport->io.minimum,
-			spic_dev.cur_ioport->io.address_length);
+	release_region(spic_dev.cur_ioport->io1.minimum,
+			spic_dev.cur_ioport->io1.address_length);
+	if (spic_dev.cur_ioport->io2.minimum)
+		release_region(spic_dev.cur_ioport->io2.minimum,
+				spic_dev.cur_ioport->io2.address_length);
 
 err_remove_compat:
 	sonypi_compat_exit();
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 81e068fa7ac..e953276664a 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -22,7 +22,7 @@
  */
 
 #define IBM_VERSION "0.16"
-#define TPACPI_SYSFS_VERSION 0x010000
+#define TPACPI_SYSFS_VERSION 0x020000
 
 /*
  *  Changelog:
@@ -117,6 +117,12 @@ IBM_BIOS_MODULE_ALIAS("K[U,X-Z]");
 
 #define __unused __attribute__ ((unused))
 
+static enum {
+	TPACPI_LIFE_INIT = 0,
+	TPACPI_LIFE_RUNNING,
+	TPACPI_LIFE_EXITING,
+} tpacpi_lifecycle;
+
 /****************************************************************************
  ****************************************************************************
  *
@@ -342,6 +348,9 @@ static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct ibm_struct *ibm = data;
 
+	if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+		return;
+
 	if (!ibm || !ibm->acpi || !ibm->acpi->notify)
 		return;
 
@@ -517,8 +526,10 @@ static char *next_cmd(char **cmds)
  ****************************************************************************/
 
 static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
 static struct device *tpacpi_hwmon;
 static struct input_dev *tpacpi_inputdev;
+static struct mutex tpacpi_inputdev_send_mutex;
 
 
 static int tpacpi_resume_handler(struct platform_device *pdev)
@@ -543,6 +554,12 @@ static struct platform_driver tpacpi_pdriver = {
 	.resume = tpacpi_resume_handler,
 };
 
+static struct platform_driver tpacpi_hwmon_pdriver = {
+	.driver = {
+		.name = IBM_HWMON_DRVR_NAME,
+		.owner = THIS_MODULE,
+	},
+};
 
 /*************************************************************************
  * thinkpad-acpi driver attributes
@@ -692,6 +709,8 @@ static int parse_strtoul(const char *buf,
 {
 	char *endp;
 
+	while (*buf && isspace(*buf))
+		buf++;
 	*value = simple_strtoul(buf, &endp, 0);
 	while (*endp && isspace(*endp))
 		endp++;
@@ -989,6 +1008,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 
 	int res, i;
 	int status;
+	int hkeyv;
 
 	vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
 
@@ -1014,18 +1034,35 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 			return res;
 
 		/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
-		   A30, R30, R31, T20-22, X20-21, X22-24 */
-		tp_features.hotkey_mask =
-			acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
+		   A30, R30, R31, T20-22, X20-21, X22-24.  Detected by checking
+		   for HKEY interface version 0x100 */
+		if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+			if ((hkeyv >> 8) != 1) {
+				printk(IBM_ERR "unknown version of the "
+				       "HKEY interface: 0x%x\n", hkeyv);
+				printk(IBM_ERR "please report this to %s\n",
+				       IBM_MAIL);
+			} else {
+				/*
+				 * MHKV 0x100 in A31, R40, R40e,
+				 * T4x, X31, and later
+				 * */
+				tp_features.hotkey_mask = 1;
+			}
+		}
 
 		vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
 			str_supported(tp_features.hotkey_mask));
 
 		if (tp_features.hotkey_mask) {
-			/* MHKA available in A31, R40, R40e, T4x, X31, and later */
 			if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
-					"MHKA", "qd"))
+					"MHKA", "qd")) {
+				printk(IBM_ERR
+				       "missing MHKA handler, "
+				       "please report this to %s\n",
+				       IBM_MAIL);
 				hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+			}
 		}
 
 		res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask);
@@ -1131,6 +1168,8 @@ static void tpacpi_input_send_key(unsigned int scancode,
 				  unsigned int keycode)
 {
 	if (keycode != KEY_RESERVED) {
+		mutex_lock(&tpacpi_inputdev_send_mutex);
+
 		input_report_key(tpacpi_inputdev, keycode, 1);
 		if (keycode == KEY_UNKNOWN)
 			input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
@@ -1142,6 +1181,8 @@ static void tpacpi_input_send_key(unsigned int scancode,
 			input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
 				    scancode);
 		input_sync(tpacpi_inputdev);
+
+		mutex_unlock(&tpacpi_inputdev_send_mutex);
 	}
 }
 
@@ -1149,18 +1190,47 @@ static void tpacpi_input_send_radiosw(void)
 {
 	int wlsw;
 
-	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw))
+	mutex_lock(&tpacpi_inputdev_send_mutex);
+
+	if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
 		input_report_switch(tpacpi_inputdev,
 				    SW_RADIO, !!wlsw);
+		input_sync(tpacpi_inputdev);
+	}
+
+	mutex_unlock(&tpacpi_inputdev_send_mutex);
 }
 
 static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 {
 	u32 hkey;
 	unsigned int keycode, scancode;
-	int send_acpi_ev = 0;
+	int send_acpi_ev;
+	int ignore_acpi_ev;
+
+	if (event != 0x80) {
+		printk(IBM_ERR "unknown HKEY notification event %d\n", event);
+		/* forward it to userspace, maybe it knows how to handle it */
+		acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+						ibm->acpi->device->dev.bus_id,
+						event, 0);
+		return;
+	}
+
+	while (1) {
+		if (!acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
+			printk(IBM_ERR "failed to retrieve HKEY event\n");
+			return;
+		}
+
+		if (hkey == 0) {
+			/* queue empty */
+			return;
+		}
+
+		send_acpi_ev = 0;
+		ignore_acpi_ev = 0;
 
-	if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
 		switch (hkey >> 12) {
 		case 1:
 			/* 0x1000-0x1FFF: key presses */
@@ -1182,9 +1252,11 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 			 * eat up known LID events */
 			if (hkey != 0x5001 && hkey != 0x5002) {
 				printk(IBM_ERR
-					"unknown LID-related hotkey event: 0x%04x\n",
-					hkey);
+				       "unknown LID-related HKEY event: 0x%04x\n",
+				       hkey);
 				send_acpi_ev = 1;
+			} else {
+				ignore_acpi_ev = 1;
 			}
 			break;
 		case 7:
@@ -1202,21 +1274,18 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 			printk(IBM_NOTICE "unhandled HKEY event 0x%04x\n", hkey);
 			send_acpi_ev = 1;
 		}
-	} else {
-		printk(IBM_ERR "unknown hotkey notification event %d\n", event);
-		hkey = 0;
-		send_acpi_ev = 1;
-	}
 
-	/* Legacy events */
-	if (send_acpi_ev || hotkey_report_mode < 2)
-		acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+		/* Legacy events */
+		if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) {
+			acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+		}
 
-	/* netlink events */
-	if (send_acpi_ev) {
-		acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-						ibm->acpi->device->dev.bus_id,
-						event, hkey);
+		/* netlink events */
+		if (!ignore_acpi_ev && send_acpi_ev) {
+			acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+							ibm->acpi->device->dev.bus_id,
+							event, hkey);
+		}
 	}
 }
 
@@ -2812,7 +2881,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
 
 	switch(thermal_read_mode) {
 	case TPACPI_THERMAL_TPEC_16:
-		res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+		res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
 				&thermal_temp_input16_group);
 		if (res)
 			return res;
@@ -2820,7 +2889,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
 	case TPACPI_THERMAL_TPEC_8:
 	case TPACPI_THERMAL_ACPI_TMP07:
 	case TPACPI_THERMAL_ACPI_UPDT:
-		res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+		res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
 				&thermal_temp_input8_group);
 		if (res)
 			return res;
@@ -2837,13 +2906,13 @@ static void thermal_exit(void)
 {
 	switch(thermal_read_mode) {
 	case TPACPI_THERMAL_TPEC_16:
-		sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+		sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
 				   &thermal_temp_input16_group);
 		break;
 	case TPACPI_THERMAL_TPEC_8:
 	case TPACPI_THERMAL_ACPI_TMP07:
 	case TPACPI_THERMAL_ACPI_UPDT:
-		sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+		sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
 				   &thermal_temp_input16_group);
 		break;
 	case TPACPI_THERMAL_NONE:
@@ -3626,7 +3695,7 @@ static struct device_attribute dev_attr_fan_fan1_input =
 	__ATTR(fan1_input, S_IRUGO,
 		fan_fan1_input_show, NULL);
 
-/* sysfs fan fan_watchdog (driver) ------------------------------------- */
+/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
 static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
 				     char *buf)
 {
@@ -3768,10 +3837,10 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 
 	if (fan_status_access_mode != TPACPI_FAN_NONE ||
 	    fan_control_access_mode != TPACPI_FAN_WR_NONE) {
-		rc = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+		rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
 					 &fan_attr_group);
 		if (!(rc < 0))
-			rc = driver_create_file(&tpacpi_pdriver.driver,
+			rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
 					&driver_attr_fan_watchdog);
 		if (rc < 0)
 			return rc;
@@ -3854,8 +3923,8 @@ static void fan_exit(void)
 	vdbg_printk(TPACPI_DBG_EXIT, "cancelling any pending fan watchdog tasks\n");
 
 	/* FIXME: can we really do this unconditionally? */
-	sysfs_remove_group(&tpacpi_pdev->dev.kobj, &fan_attr_group);
-	driver_remove_file(&tpacpi_pdriver.driver, &driver_attr_fan_watchdog);
+	sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group);
+	driver_remove_file(&tpacpi_hwmon_pdriver.driver, &driver_attr_fan_watchdog);
 
 	cancel_delayed_work(&fan_watchdog_task);
 	flush_scheduled_work();
@@ -3888,6 +3957,9 @@ static void fan_watchdog_fire(struct work_struct *ignored)
 {
 	int rc;
 
+	if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+		return;
+
 	printk(IBM_NOTICE "fan watchdog: enabling fan\n");
 	rc = fan_set_enable();
 	if (rc < 0) {
@@ -3908,7 +3980,8 @@ static void fan_watchdog_reset(void)
 	if (fan_watchdog_active)
 		cancel_delayed_work(&fan_watchdog_task);
 
-	if (fan_watchdog_maxinterval > 0) {
+	if (fan_watchdog_maxinterval > 0 &&
+	    tpacpi_lifecycle != TPACPI_LIFE_EXITING) {
 		fan_watchdog_active = 1;
 		if (!schedule_delayed_work(&fan_watchdog_task,
 				msecs_to_jiffies(fan_watchdog_maxinterval
@@ -4302,6 +4375,19 @@ static struct ibm_struct fan_driver_data = {
  ****************************************************************************
  ****************************************************************************/
 
+/* sysfs name ---------------------------------------------------------- */
+static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev,
+			   struct device_attribute *attr,
+			   char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%s\n", IBM_NAME);
+}
+
+static struct device_attribute dev_attr_thinkpad_acpi_pdev_name =
+	__ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL);
+
+/* --------------------------------------------------------------------- */
+
 /* /proc support */
 static struct proc_dir_entry *proc_dir;
 
@@ -4674,6 +4760,8 @@ static int __init thinkpad_acpi_module_init(void)
 {
 	int ret, i;
 
+	tpacpi_lifecycle = TPACPI_LIFE_INIT;
+
 	/* Parameter checking */
 	if (hotkey_report_mode > 2)
 		return -EINVAL;
@@ -4702,19 +4790,31 @@ static int __init thinkpad_acpi_module_init(void)
 
 	ret = platform_driver_register(&tpacpi_pdriver);
 	if (ret) {
-		printk(IBM_ERR "unable to register platform driver\n");
+		printk(IBM_ERR "unable to register main platform driver\n");
 		thinkpad_acpi_module_exit();
 		return ret;
 	}
 	tp_features.platform_drv_registered = 1;
 
+	ret = platform_driver_register(&tpacpi_hwmon_pdriver);
+	if (ret) {
+		printk(IBM_ERR "unable to register hwmon platform driver\n");
+		thinkpad_acpi_module_exit();
+		return ret;
+	}
+	tp_features.sensors_pdrv_registered = 1;
+
 	ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
+	if (!ret) {
+		tp_features.platform_drv_attrs_registered = 1;
+		ret = tpacpi_create_driver_attributes(&tpacpi_hwmon_pdriver.driver);
+	}
 	if (ret) {
 		printk(IBM_ERR "unable to create sysfs driver attributes\n");
 		thinkpad_acpi_module_exit();
 		return ret;
 	}
-	tp_features.platform_drv_attrs_registered = 1;
+	tp_features.sensors_pdrv_attrs_registered = 1;
 
 
 	/* Device initialization */
@@ -4727,7 +4827,26 @@ static int __init thinkpad_acpi_module_init(void)
 		thinkpad_acpi_module_exit();
 		return ret;
 	}
-	tpacpi_hwmon = hwmon_device_register(&tpacpi_pdev->dev);
+	tpacpi_sensors_pdev = platform_device_register_simple(
+							IBM_HWMON_DRVR_NAME,
+							-1, NULL, 0);
+	if (IS_ERR(tpacpi_sensors_pdev)) {
+		ret = PTR_ERR(tpacpi_sensors_pdev);
+		tpacpi_sensors_pdev = NULL;
+		printk(IBM_ERR "unable to register hwmon platform device\n");
+		thinkpad_acpi_module_exit();
+		return ret;
+	}
+	ret = device_create_file(&tpacpi_sensors_pdev->dev,
+				 &dev_attr_thinkpad_acpi_pdev_name);
+	if (ret) {
+		printk(IBM_ERR
+			"unable to create sysfs hwmon device attributes\n");
+		thinkpad_acpi_module_exit();
+		return ret;
+	}
+	tp_features.sensors_pdev_attrs_registered = 1;
+	tpacpi_hwmon = hwmon_device_register(&tpacpi_sensors_pdev->dev);
 	if (IS_ERR(tpacpi_hwmon)) {
 		ret = PTR_ERR(tpacpi_hwmon);
 		tpacpi_hwmon = NULL;
@@ -4735,6 +4854,7 @@ static int __init thinkpad_acpi_module_init(void)
 		thinkpad_acpi_module_exit();
 		return ret;
 	}
+	mutex_init(&tpacpi_inputdev_send_mutex);
 	tpacpi_inputdev = input_allocate_device();
 	if (!tpacpi_inputdev) {
 		printk(IBM_ERR "unable to allocate input device\n");
@@ -4769,6 +4889,7 @@ static int __init thinkpad_acpi_module_init(void)
 		tp_features.input_device_registered = 1;
 	}
 
+	tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
 	return 0;
 }
 
@@ -4776,6 +4897,8 @@ static void thinkpad_acpi_module_exit(void)
 {
 	struct ibm_struct *ibm, *itmp;
 
+	tpacpi_lifecycle = TPACPI_LIFE_EXITING;
+
 	list_for_each_entry_safe_reverse(ibm, itmp,
 					 &tpacpi_all_drivers,
 					 all_drivers) {
@@ -4794,12 +4917,22 @@ static void thinkpad_acpi_module_exit(void)
 	if (tpacpi_hwmon)
 		hwmon_device_unregister(tpacpi_hwmon);
 
+	if (tp_features.sensors_pdev_attrs_registered)
+		device_remove_file(&tpacpi_sensors_pdev->dev,
+				   &dev_attr_thinkpad_acpi_pdev_name);
+	if (tpacpi_sensors_pdev)
+		platform_device_unregister(tpacpi_sensors_pdev);
 	if (tpacpi_pdev)
 		platform_device_unregister(tpacpi_pdev);
 
+	if (tp_features.sensors_pdrv_attrs_registered)
+		tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver);
 	if (tp_features.platform_drv_attrs_registered)
 		tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
 
+	if (tp_features.sensors_pdrv_registered)
+		platform_driver_unregister(&tpacpi_hwmon_pdriver);
+
 	if (tp_features.platform_drv_registered)
 		platform_driver_unregister(&tpacpi_pdriver);
 
diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h
index acd5835ec88..3abcc812063 100644
--- a/drivers/misc/thinkpad_acpi.h
+++ b/drivers/misc/thinkpad_acpi.h
@@ -58,13 +58,14 @@
 
 #define IBM_NAME "thinkpad"
 #define IBM_DESC "ThinkPad ACPI Extras"
-#define IBM_FILE "thinkpad_acpi"
+#define IBM_FILE IBM_NAME "_acpi"
 #define IBM_URL "http://ibm-acpi.sf.net/"
 #define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
 
 #define IBM_PROC_DIR "ibm"
 #define IBM_ACPI_EVENT_PREFIX "ibm"
 #define IBM_DRVR_NAME IBM_FILE
+#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
 
 #define IBM_LOG IBM_FILE ": "
 #define IBM_ERR	   KERN_ERR    IBM_LOG
@@ -171,6 +172,7 @@ static int parse_strtoul(const char *buf, unsigned long max,
 
 /* Device model */
 static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
 static struct device *tpacpi_hwmon;
 static struct platform_driver tpacpi_pdriver;
 static struct input_dev *tpacpi_inputdev;
@@ -233,22 +235,25 @@ struct ibm_init_struct {
 
 static struct {
 #ifdef CONFIG_THINKPAD_ACPI_BAY
-	u16 bay_status:1;
-	u16 bay_eject:1;
-	u16 bay_status2:1;
-	u16 bay_eject2:1;
+	u32 bay_status:1;
+	u32 bay_eject:1;
+	u32 bay_status2:1;
+	u32 bay_eject2:1;
 #endif
-	u16 bluetooth:1;
-	u16 hotkey:1;
-	u16 hotkey_mask:1;
-	u16 hotkey_wlsw:1;
-	u16 light:1;
-	u16 light_status:1;
-	u16 wan:1;
-	u16 fan_ctrl_status_undef:1;
-	u16 input_device_registered:1;
-	u16 platform_drv_registered:1;
-	u16 platform_drv_attrs_registered:1;
+	u32 bluetooth:1;
+	u32 hotkey:1;
+	u32 hotkey_mask:1;
+	u32 hotkey_wlsw:1;
+	u32 light:1;
+	u32 light_status:1;
+	u32 wan:1;
+	u32 fan_ctrl_status_undef:1;
+	u32 input_device_registered:1;
+	u32 platform_drv_registered:1;
+	u32 platform_drv_attrs_registered:1;
+	u32 sensors_pdrv_registered:1;
+	u32 sensors_pdrv_attrs_registered:1;
+	u32 sensors_pdev_attrs_registered:1;
 } tp_features;
 
 struct thinkpad_id_data {