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Commit 8d7ccaa5 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge commit 'v2.6.27-rc3' into x86/prototypes 



Conflicts:

	include/asm-x86/dma-mapping.h

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parents b2139aa0 30a2f3c6

CREDITS

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@@ -317,6 +317,14 @@ S: 2322 37th Ave SW 
S: Seattle, Washington 98126-2010

S: USA



N: Muli Ben-Yehuda

E: mulix@mulix.org

E: muli@il.ibm.com

W: http://www.mulix.org

D: trident OSS sound driver, x86-64 dma-ops and Calgary IOMMU,

D: KVM and Xen bits and other misc. hackery.

S: Haifa, Israel



N: Johannes Berg

E: johannes@sipsolutions.net

W: http://johannes.sipsolutions.net/

Documentation/00-INDEX

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@@ -89,8 +89,6 @@ cciss.txt 
	- info, major/minor #'s for Compaq's SMART Array Controllers.

cdrom/

	- directory with information on the CD-ROM drivers that Linux has.

cli-sti-removal.txt

	- cli()/sti() removal guide.

computone.txt

	- info on Computone Intelliport II/Plus Multiport Serial Driver.

connector/
@@ -361,8 +359,6 @@ telephony/ 
	- directory with info on telephony (e.g. voice over IP) support.

time_interpolators.txt

	- info on time interpolators.

tipar.txt

	- information about Parallel link cable for Texas Instruments handhelds.

tty.txt

	- guide to the locking policies of the tty layer.

uml/

Documentation/ABI/testing/sysfs-class-regulator

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What:		/sys/class/regulator/.../state

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		state. This holds the regulator output state.



		This will be one of the following strings:



		'enabled'

		'disabled'

		'unknown'



		'enabled' means the regulator output is ON and is supplying

		power to the system.



		'disabled' means the regulator output is OFF and is not

		supplying power to the system..



		'unknown' means software cannot determine the state.



		NOTE: this field can be used in conjunction with microvolts

		and microamps to determine regulator output levels.





What:		/sys/class/regulator/.../type

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		type. This holds the regulator type.



		This will be one of the following strings:



		'voltage'

		'current'

		'unknown'



		'voltage' means the regulator output voltage can be controlled

		by software.



		'current' means the regulator output current limit can be

		controlled by software.



		'unknown' means software cannot control either voltage or

		current limit.





What:		/sys/class/regulator/.../microvolts

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		microvolts. This holds the regulator output voltage setting

		measured in microvolts (i.e. E-6 Volts).



		NOTE: This value should not be used to determine the regulator

		output voltage level as this value is the same regardless of

		whether the regulator is enabled or disabled.





What:		/sys/class/regulator/.../microamps

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		microamps. This holds the regulator output current limit

		setting measured in microamps (i.e. E-6 Amps).



		NOTE: This value should not be used to determine the regulator

		output current level as this value is the same regardless of

		whether the regulator is enabled or disabled.





What:		/sys/class/regulator/.../opmode

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		opmode. This holds the regulator operating mode setting.



		The opmode value can be one of the following strings:



		'fast'

		'normal'

		'idle'

		'standby'

		'unknown'



		The modes are described in include/linux/regulator/regulator.h



		NOTE: This value should not be used to determine the regulator

		output operating mode as this value is the same regardless of

		whether the regulator is enabled or disabled.





What:		/sys/class/regulator/.../min_microvolts

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		min_microvolts. This holds the minimum safe working regulator

		output voltage setting for this domain measured in microvolts.



		NOTE: this will return the string 'constraint not defined' if

		the power domain has no min microvolts constraint defined by

		platform code.





What:		/sys/class/regulator/.../max_microvolts

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		max_microvolts. This holds the maximum safe working regulator

		output voltage setting for this domain measured in microvolts.



		NOTE: this will return the string 'constraint not defined' if

		the power domain has no max microvolts constraint defined by

		platform code.





What:		/sys/class/regulator/.../min_microamps

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		min_microamps. This holds the minimum safe working regulator

		output current limit setting for this domain measured in

		microamps.



		NOTE: this will return the string 'constraint not defined' if

		the power domain has no min microamps constraint defined by

		platform code.





What:		/sys/class/regulator/.../max_microamps

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		max_microamps. This holds the maximum safe working regulator

		output current limit setting for this domain measured in

		microamps.



		NOTE: this will return the string 'constraint not defined' if

		the power domain has no max microamps constraint defined by

		platform code.





What:		/sys/class/regulator/.../num_users

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		num_users. This holds the number of consumer devices that

		have called regulator_enable() on this regulator.





What:		/sys/class/regulator/.../requested_microamps

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		requested_microamps. This holds the total requested load

		current in microamps for this regulator from all its consumer

		devices.





What:		/sys/class/regulator/.../parent

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Some regulator directories will contain a link called parent.

		This points to the parent or supply regulator if one exists.



What:		/sys/class/regulator/.../suspend_mem_microvolts

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_mem_microvolts. This holds the regulator output

		voltage setting for this domain measured in microvolts when

		the system is suspended to memory.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to memory voltage defined by

		platform code.



What:		/sys/class/regulator/.../suspend_disk_microvolts

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_disk_microvolts. This holds the regulator output

		voltage setting for this domain measured in microvolts when

		the system is suspended to disk.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to disk voltage defined by

		platform code.



What:		/sys/class/regulator/.../suspend_standby_microvolts

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_standby_microvolts. This holds the regulator output

		voltage setting for this domain measured in microvolts when

		the system is suspended to standby.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to standby voltage defined by

		platform code.



What:		/sys/class/regulator/.../suspend_mem_mode

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_mem_mode. This holds the regulator operating mode

		setting for this domain when the system is suspended to

		memory.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to memory mode defined by

		platform code.



What:		/sys/class/regulator/.../suspend_disk_mode

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_disk_mode. This holds the regulator operating mode

		setting for this domain when the system is suspended to disk.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to disk mode defined by

		platform code.



What:		/sys/class/regulator/.../suspend_standby_mode

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_standby_mode. This holds the regulator operating mode

		setting for this domain when the system is suspended to

		standby.



		NOTE: this will return the string 'not defined' if

		the power domain has no suspend to standby mode defined by

		platform code.



What:		/sys/class/regulator/.../suspend_mem_state

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_mem_state. This holds the regulator operating state

		when suspended to memory.



		This will be one of the following strings:



		'enabled'

		'disabled'

		'not defined'



What:		/sys/class/regulator/.../suspend_disk_state

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_disk_state. This holds the regulator operating state

		when suspended to disk.



		This will be one of the following strings:



		'enabled'

		'disabled'

		'not defined'



What:		/sys/class/regulator/.../suspend_standby_state

Date:		May 2008

KernelVersion:	2.6.26

Contact:	Liam Girdwood <lg@opensource.wolfsonmicro.com>

Description:

		Each regulator directory will contain a field called

		suspend_standby_state. This holds the regulator operating

		state when suspended to standby.



		This will be one of the following strings:



		'enabled'

		'disabled'

		'not defined'

Documentation/ABI/testing/sysfs-dev

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What:		/sys/dev

Date:		April 2008

KernelVersion:	2.6.26

Contact:	Dan Williams <dan.j.williams@intel.com>

Description:	The /sys/dev tree provides a method to look up the sysfs

		path for a device using the information returned from

		stat(2).  There are two directories, 'block' and 'char',

		beneath /sys/dev containing symbolic links with names of

		the form "<major>:<minor>".  These links point to the

		corresponding sysfs path for the given device.



		Example:

		$ readlink /sys/dev/block/8:32

		../../block/sdc



		Entries in /sys/dev/char and /sys/dev/block will be

		dynamically created and destroyed as devices enter and

		leave the system.



Users:		mdadm <linux-raid@vger.kernel.org>

Documentation/ABI/testing/sysfs-devices-memory

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What:		/sys/devices/system/memory

Date:		June 2008

Contact:	Badari Pulavarty <pbadari@us.ibm.com>

Description:

		The /sys/devices/system/memory contains a snapshot of the

		internal state of the kernel memory blocks. Files could be

		added or removed dynamically to represent hot-add/remove

		operations.



Users:		hotplug memory add/remove tools

		https://w3.opensource.ibm.com/projects/powerpc-utils/



What:		/sys/devices/system/memory/memoryX/removable

Date:		June 2008

Contact:	Badari Pulavarty <pbadari@us.ibm.com>

Description:

		The file /sys/devices/system/memory/memoryX/removable

		indicates whether this memory block is removable or not.

		This is useful for a user-level agent to determine

		identify removable sections of the memory before attempting

		potentially expensive hot-remove memory operation



Users:		hotplug memory remove tools

		https://w3.opensource.ibm.com/projects/powerpc-utils/