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Commit 1481b910 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 

* 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6:
  acpi: fix crash in core ACPI code, triggered by CONFIG_ACPI_PCI_SLOT=y
  ACPI: thinkpad-acpi: don't misdetect in get_thinkpad_model_data() on -ENOMEM
  ACPI: thinkpad-acpi: bump up version to 0.21
  ACPI: thinkpad-acpi: add bluetooth and WWAN rfkill support
  ACPI: thinkpad-acpi: WLSW overrides other rfkill switches
  ACPI: thinkpad-acpi: prepare for bluetooth and wwan rfkill support
  ACPI: thinkpad-acpi: consolidate wlsw notification function
  ACPI: thinkpad-acpi: minor refactor on radio switch init
  Revert "ACPI: don't walk tables if ACPI was disabled"
  Revert "dock: bay: Don't call acpi_walk_namespace() when ACPI is disabled."
  Revert "Fix FADT parsing"
  ACPI : Set FAN device to correct state in boot phase
  ACPI: Ignore _BQC object when registering backlight device
  ACPI: stop complaints about interrupt link End Tags and blank IRQ descriptors
parents 5042d997 f88133d7

Documentation/laptops/thinkpad-acpi.txt

+18 −8
Original line number Diff line number Diff line 
		     ThinkPad ACPI Extras Driver



                            Version 0.20

                          April 09th, 2008

                            Version 0.21

                           May 29th, 2008



               Borislav Deianov <borislav@users.sf.net>

             Henrique de Moraes Holschuh <hmh@hmh.eng.br>
@@ -621,7 +621,8 @@ Bluetooth 
---------



procfs: /proc/acpi/ibm/bluetooth

sysfs device attribute: bluetooth_enable

sysfs device attribute: bluetooth_enable (deprecated)

sysfs rfkill class: switch "tpacpi_bluetooth_sw"



This feature shows the presence and current state of a ThinkPad

Bluetooth device in the internal ThinkPad CDC slot.
@@ -643,8 +644,12 @@ Sysfs notes: 
		0: disables Bluetooth / Bluetooth is disabled

		1: enables Bluetooth / Bluetooth is enabled.



	Note: this interface will be probably be superseded by the

	generic rfkill class, so it is NOT to be considered stable yet.

	Note: this interface has been superseded by the	generic rfkill

	class.  It has been deprecated, and it will be removed in year

	2010.



	rfkill controller switch "tpacpi_bluetooth_sw": refer to

	Documentation/rfkill.txt for details.



Video output control -- /proc/acpi/ibm/video

--------------------------------------------
@@ -1374,7 +1379,8 @@ EXPERIMENTAL: WAN 
-----------------



procfs: /proc/acpi/ibm/wan

sysfs device attribute: wwan_enable

sysfs device attribute: wwan_enable (deprecated)

sysfs rfkill class: switch "tpacpi_wwan_sw"



This feature is marked EXPERIMENTAL because the implementation

directly accesses hardware registers and may not work as expected. USE
@@ -1404,8 +1410,12 @@ Sysfs notes: 
		0: disables WWAN card / WWAN card is disabled

		1: enables WWAN card / WWAN card is enabled.



	Note: this interface will be probably be superseded by the

	generic rfkill class, so it is NOT to be considered stable yet.

	Note: this interface has been superseded by the	generic rfkill

	class.  It has been deprecated, and it will be removed in year

	2010.



	rfkill controller switch "tpacpi_wwan_sw": refer to

	Documentation/rfkill.txt for details.



Multiple Commands, Module Parameters

------------------------------------

drivers/acpi/namespace/nsnames.c

+8 −0
Original line number Diff line number Diff line
@@ -137,6 +137,10 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) 
	/* Calculate required buffer size based on depth below root */



	size = acpi_ns_get_pathname_length(node);

	if (!size) {

		ACPI_ERROR((AE_INFO, "Invalid node failure"));

		return_PTR(NULL);

	}



	/* Allocate a buffer to be returned to caller */
@@ -229,6 +233,10 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle, 
	/* Determine size required for the caller buffer */



	required_size = acpi_ns_get_pathname_length(node);

	if (!required_size) {

		ACPI_ERROR((AE_INFO, "Invalid node failure"));

		return_ACPI_STATUS(AE_ERROR);

	}



	/* Validate/Allocate/Clear caller buffer */

drivers/acpi/pci_link.c

+20 −11
Original line number Diff line number Diff line
@@ -113,19 +113,22 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) 


	switch (resource->type) {

	case ACPI_RESOURCE_TYPE_START_DEPENDENT:

	case ACPI_RESOURCE_TYPE_END_TAG:

		return AE_OK;

	case ACPI_RESOURCE_TYPE_IRQ:

		{

			struct acpi_resource_irq *p = &resource->data.irq;

			if (!p || !p->interrupt_count) {

				printk(KERN_WARNING PREFIX "Blank IRQ resource\n");

				ACPI_DEBUG_PRINT((ACPI_DB_INFO,

						  "Blank _PRS IRQ resource\n"));

				return AE_OK;

			}

			for (i = 0;

			     (i < p->interrupt_count

			      && i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {

				if (!p->interrupts[i]) {

					printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",

					printk(KERN_WARNING PREFIX

					       "Invalid _PRS IRQ %d\n",

					       p->interrupts[i]);

					continue;

				}
@@ -143,14 +146,15 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) 
			    &resource->data.extended_irq;

			if (!p || !p->interrupt_count) {

				printk(KERN_WARNING PREFIX

					      "Blank EXT IRQ resource\n");

					      "Blank _PRS EXT IRQ resource\n");

				return AE_OK;

			}

			for (i = 0;

			     (i < p->interrupt_count

			      && i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) {

				if (!p->interrupts[i]) {

					printk(KERN_WARNING PREFIX "Invalid IRQ %d\n",

					printk(KERN_WARNING PREFIX

					       "Invalid _PRS IRQ %d\n",

					       p->interrupts[i]);

					continue;

				}
@@ -163,7 +167,8 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) 
			break;

		}

	default:

		printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n");

		printk(KERN_ERR PREFIX "_PRS resource type 0x%x isn't an IRQ\n",

		       resource->type);

		return AE_OK;

	}
@@ -199,6 +204,9 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) 




	switch (resource->type) {

	case ACPI_RESOURCE_TYPE_START_DEPENDENT:

	case ACPI_RESOURCE_TYPE_END_TAG:

		return AE_OK;

	case ACPI_RESOURCE_TYPE_IRQ:

		{

			struct acpi_resource_irq *p = &resource->data.irq;
@@ -208,7 +216,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) 
				 * particularly those those w/ _STA disabled

				 */

				ACPI_DEBUG_PRINT((ACPI_DB_INFO,

						  "Blank IRQ resource\n"));

						  "Blank _CRS IRQ resource\n"));

				return AE_OK;

			}

			*irq = p->interrupts[0];
@@ -224,7 +232,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) 
				 * return at least 1 IRQ

				 */

				printk(KERN_WARNING PREFIX

					      "Blank EXT IRQ resource\n");

					      "Blank _CRS EXT IRQ resource\n");

				return AE_OK;

			}

			*irq = p->interrupts[0];
@@ -232,10 +240,11 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) 
		}

		break;

	default:

		printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type);

	case ACPI_RESOURCE_TYPE_END_TAG:

		printk(KERN_ERR PREFIX "_CRS resource type 0x%x isn't an IRQ\n",

		       resource->type);

		return AE_OK;

	}



	return AE_CTRL_TERMINATE;

}

drivers/acpi/tables/tbfadt.c

+6 −11
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = { 


static void inline

acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,

			     u8 byte_width, u64 address)

			     u8 bit_width, u64 address)

{



	/*
@@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, 
	/* All other fields are byte-wide */



	generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;

	generic_address->bit_width = byte_width << 3;

	generic_address->bit_width = bit_width;

	generic_address->bit_offset = 0;

	generic_address->access_width = 0;

}
@@ -343,11 +343,9 @@ static void acpi_tb_convert_fadt(void) 
	 *

	 * The PM event blocks are split into two register blocks, first is the

	 * PM Status Register block, followed immediately by the PM Enable Register

	 * block. Each is of length (xpm1x_event_block.bit_width/2)

	 * block. Each is of length (pm1_event_length/2)

	 */

	WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width));

	pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT

					       .xpm1a_event_block.bit_width);

	pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);



	/* The PM1A register block is required */
@@ -362,17 +360,14 @@ static void acpi_tb_convert_fadt(void) 
	/* The PM1B register block is optional, ignore if not present */



	if (acpi_gbl_FADT.xpm1b_event_block.address) {

		WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width));

		pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT

						       .xpm1b_event_block

						       .bit_width);

		acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,

					     pm1_register_length,

					     (acpi_gbl_FADT.xpm1b_event_block.

					      address + pm1_register_length));

		/* Don't forget to copy space_id of the GAS */

		acpi_gbl_xpm1b_enable.space_id =

		    acpi_gbl_FADT.xpm1b_event_block.space_id;

		    acpi_gbl_FADT.xpm1a_event_block.space_id;



	}

}

drivers/acpi/thermal.c

+43 −0
Original line number Diff line number Diff line
@@ -769,6 +769,47 @@ static void acpi_thermal_run(unsigned long data) 
		acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);

}



static void acpi_thermal_active_off(void *data)

{

	int result = 0;

	struct acpi_thermal *tz = data;

	int i = 0;

	int j = 0;

	struct acpi_thermal_active *active = NULL;



	if (!tz) {

		printk(KERN_ERR PREFIX "Invalid (NULL) context\n");

		return;

	}



	result = acpi_thermal_get_temperature(tz);

	if (result)

		return;



	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {

		active = &(tz->trips.active[i]);

		if (!active || !active->flags.valid)

			break;

		if (tz->temperature >= active->temperature) {

			/*

			 * If the thermal temperature is greater than the

			 * active threshod, unnecessary to turn off the

			 * the active cooling device.

			 */

			continue;

		}

		/*

		 * Below Threshold?

		 * ----------------

		 * Turn OFF all cooling devices associated with this

		 * threshold.

		 */

		for (j = 0; j < active->devices.count; j++)

			result = acpi_bus_set_power(active->devices.handles[j],

						    ACPI_STATE_D3);

	}

}



static void acpi_thermal_check(void *data)

{

	int result = 0;
@@ -1624,6 +1665,8 @@ static int acpi_thermal_add(struct acpi_device *device) 


	init_timer(&tz->timer);



	acpi_thermal_active_off(tz);



	acpi_thermal_check(tz);



	status = acpi_install_notify_handler(device->handle,