Merge pull request #5503 from bardliao/merge/sound-upstream-20250804

Merge/sound upstream 20250804

Author: bardliao

Documentation/ABI/testing/sysfs-bus-acpi

@@ -1,6 +1,6 @@
 What:		/sys/bus/acpi/devices/.../path
 Date:		December 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute indicates the full path of ACPI namespace
 		object associated with the device object.  For example,
@@ -12,15 +12,15 @@ Description:
 
 What:		/sys/bus/acpi/devices/.../modalias
 Date:		July 2007
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute indicates the PNP IDs of the device object.
 		That is acpi:HHHHHHHH:[CCCCCCC:].  Where each HHHHHHHH or
 		CCCCCCCC contains device object's PNPID (_HID or _CID).
 
 What:		/sys/bus/acpi/devices/.../hid
 Date:		April 2005
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute indicates the hardware ID (_HID) of the
 		device object.  For example, PNP0103.
@@ -29,14 +29,14 @@ Description:
 
 What:		/sys/bus/acpi/devices/.../description
 Date:		October 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute contains the output of the device object's
 		_STR control method, if present.
 
 What:		/sys/bus/acpi/devices/.../adr
 Date:		October 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute contains the output of the device object's
 		_ADR control method, which is present for ACPI device
@@ -45,22 +45,22 @@ Description:
 
 What:		/sys/bus/acpi/devices/.../uid
 Date:		October 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		This attribute contains the output of the device object's
 		_UID control method, if present.
 
 What:		/sys/bus/acpi/devices/.../eject
 Date:		December 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		Writing 1 to this attribute will trigger hot removal of
 		this device object.  This file exists for every device
 		object that has _EJ0 method.
 
 What:		/sys/bus/acpi/devices/.../status
 Date:		Jan, 2014
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		(RO) Returns the ACPI device status: enabled, disabled or
 		functioning or present, if the method _STA is present.
@@ -90,7 +90,7 @@ Description:
 
 What:		/sys/bus/acpi/devices/.../hrv
 Date:		Apr, 2016
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		(RO) Allows users to read the hardware version of non-PCI
 		hardware, if the _HRV control method is present.  It is mostly

Documentation/ABI/testing/sysfs-class-devfreq

@@ -132,3 +132,12 @@ Description:
 
 		A list of governors that support the node:
 		- simple_ondemand
+
+What:		/sys/class/devfreq/.../related_cpus
+Date:		June 2025
+Contact:	Linux power management list <linux-pm@vger.kernel.org>
+Description:	The list of CPUs whose performance is closely related to the
+		frequency of this devfreq domain.
+
+		This file is only present if a specific devfreq device is
+		closely associated with a subset of CPUs.

Documentation/ABI/testing/sysfs-devices-power

@@ -1,14 +1,14 @@
 What:		/sys/devices/.../power/
 Date:		January 2009
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power directory contains attributes
 		allowing the user space to check and modify some power
 		management related properties of given device.
 
 What:		/sys/devices/.../power/wakeup
 Date:		January 2009
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/wakeup attribute allows the user
 		space to check if the device is enabled to wake up the system
@@ -34,7 +34,7 @@ Description:
 
 What:		/sys/devices/.../power/control
 Date:		January 2009
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/control attribute allows the user
 		space to control the run-time power management of the device.
@@ -53,7 +53,7 @@ Description:
 
 What:		/sys/devices/.../power/async
 Date:		January 2009
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../async attribute allows the user space to
 		enable or disable the device's suspend and resume callbacks to
@@ -79,7 +79,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_count
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_count attribute contains the number
 		of signaled wakeup events associated with the device.  This
@@ -90,7 +90,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_active_count
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_active_count attribute contains the
 		number of times the processing of wakeup events associated with
@@ -102,7 +102,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_abort_count
 Date:		February 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_abort_count attribute contains the
 		number of times the processing of a wakeup event associated with
@@ -114,7 +114,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_expire_count
 Date:		February 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_expire_count attribute contains the
 		number of times a wakeup event associated with the device has
@@ -126,7 +126,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_active
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_active attribute contains either 1,
 		or 0, depending on whether or not a wakeup event associated with
@@ -138,7 +138,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_total_time_ms
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_total_time_ms attribute contains
 		the total time of processing wakeup events associated with the
@@ -149,7 +149,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_max_time_ms
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_max_time_ms attribute contains
 		the maximum time of processing a single wakeup event associated
@@ -161,7 +161,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_last_time_ms
 Date:		September 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_last_time_ms attribute contains
 		the value of the monotonic clock corresponding to the time of
@@ -173,7 +173,7 @@ Description:
 
 What:		/sys/devices/.../power/wakeup_prevent_sleep_time_ms
 Date:		February 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../wakeup_prevent_sleep_time_ms attribute
 		contains the total time the device has been preventing
@@ -203,7 +203,7 @@ Description:
 
 What:		/sys/devices/.../power/pm_qos_resume_latency_us
 Date:		March 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/pm_qos_resume_latency_us attribute
 		contains the PM QoS resume latency limit for the given device,
@@ -223,7 +223,7 @@ Description:
 
 What:		/sys/devices/.../power/pm_qos_latency_tolerance_us
 Date:		January 2014
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/pm_qos_latency_tolerance_us attribute
 		contains the PM QoS active state latency tolerance limit for the
@@ -248,7 +248,7 @@ Description:
 
 What:		/sys/devices/.../power/pm_qos_no_power_off
 Date:		September 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/pm_qos_no_power_off attribute
 		is used for manipulating the PM QoS "no power off" flag.  If
@@ -263,7 +263,7 @@ Description:
 
 What:		/sys/devices/.../power/runtime_status
 Date:		April 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/devices/.../power/runtime_status attribute contains
 		the current runtime PM status of the device, which may be

Documentation/ABI/testing/sysfs-firmware-acpi

@@ -108,15 +108,15 @@ Description:
 		number of a "General Purpose Events" (GPE).
 
 		A GPE vectors to a specified handler in AML, which
-		can do a anything the BIOS writer wants from
+		can do anything the BIOS writer wants from
 		OS context.  GPE 0x12, for example, would vector
 		to a level or edge handler called _L12 or _E12.
 		The handler may do its business and return.
-		Or the handler may send send a Notify event
+		Or the handler may send a Notify event
 		to a Linux device driver registered on an ACPI device,
 		such as a battery, or a processor.
 
-		To figure out where all the SCI's are coming from,
+		To figure out where all the SCIs are coming from,
 		/sys/firmware/acpi/interrupts contains a file listing
 		every possible source, and the count of how many
 		times it has triggered::

Documentation/ABI/testing/sysfs-power

@@ -1,14 +1,14 @@
 What:		/sys/power/
 Date:		August 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power directory will contain files that will
 		provide a unified interface to the power management
 		subsystem.
 
 What:		/sys/power/state
 Date:		November 2016
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/state file controls system sleep states.
 		Reading from this file returns the available sleep state
@@ -23,7 +23,7 @@ Description:
 
 What:		/sys/power/mem_sleep
 Date:		November 2016
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/mem_sleep file controls the operating mode of
 		system suspend.  Reading from it returns the available modes
@@ -41,7 +41,7 @@ Description:
 
 What:		/sys/power/disk
 Date:		September 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/disk file controls the operating mode of the
 		suspend-to-disk mechanism.  Reading from this file returns
@@ -90,7 +90,7 @@ Description:
 
 What:		/sys/power/image_size
 Date:		August 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/image_size file controls the size of the image
 		created by the suspend-to-disk mechanism.  It can be written a
@@ -107,7 +107,7 @@ Description:
 
 What:		/sys/power/pm_trace
 Date:		August 2006
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/pm_trace file controls the code which saves the
 		last PM event point in the RTC across reboots, so that you can
@@ -156,7 +156,7 @@ Description:
 
 What:		/sys/power/pm_async
 Date:		January 2009
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/pm_async file controls the switch allowing the
 		user space to enable or disable asynchronous suspend and resume
@@ -169,7 +169,7 @@ Description:
 
 What:		/sys/power/wakeup_count
 Date:		July 2010
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/wakeup_count file allows user space to put the
 		system into a sleep state while taking into account the
@@ -184,7 +184,7 @@ Description:
 
 What:		/sys/power/reserved_size
 Date:		May 2011
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/reserved_size file allows user space to control
 		the amount of memory reserved for allocations made by device
@@ -198,7 +198,7 @@ Description:
 
 What:		/sys/power/autosleep
 Date:		April 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/autosleep file can be written one of the strings
 		returned by reads from /sys/power/state.  If that happens, a
@@ -215,7 +215,7 @@ Description:
 
 What:		/sys/power/wake_lock
 Date:		February 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/wake_lock file allows user space to create
 		wakeup source objects and activate them on demand (if one of
@@ -242,7 +242,7 @@ Description:
 
 What:		/sys/power/wake_unlock
 Date:		February 2012
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/wake_unlock file allows user space to deactivate
 		wakeup sources created with the help of /sys/power/wake_lock.
@@ -283,7 +283,7 @@ Description:
 
 What:		/sys/power/pm_debug_messages
 Date:		July 2017
-Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
+Contact:	Rafael J. Wysocki <rafael@kernel.org>
 Description:
 		The /sys/power/pm_debug_messages file controls the printing
 		of debug messages from the system suspend/hiberbation

Documentation/admin-guide/kernel-parameters.txt

@@ -5000,6 +5000,18 @@
 			that number, otherwise (e.g., 'pmu_override=on'), MMCR1
 			remains 0.
 
+	pm_async=	[PM]
+			Format: off
+			This parameter sets the initial value of the
+			/sys/power/pm_async sysfs knob at boot time.
+			If set to "off", disables asynchronous suspend and
+			resume of devices during system-wide power transitions.
+			This can be useful on platforms where device
+			dependencies are not well-defined, or for debugging
+			power management issues. Asynchronous operations are
+			enabled by default.
+
+
 	pm_debug_messages	[SUSPEND,KNL]
 			Enable suspend/resume debug messages during boot up.