Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux

Pull thermal management updates from Zhang Rui:

 - Convert thermal documents to ReST (Mauro Carvalho Chehab)

 - Fix a cyclic depedency in between thermal core and governors (Daniel
   Lezcano)

 - Fix processor_thermal_device driver to re-evaluate power limits after
   resume (Srinivas Pandruvada, Zhang Rui)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  drivers: thermal: processor_thermal_device: Fix build warning
  docs: thermal: convert to ReST
  thermal/drivers/core: Use governor table to initialize
  thermal/drivers/core: Add init section table for self-encapsulation
  drivers: thermal: processor_thermal: Read PPCC on resume

Documentation/thermal/cpu-cooling-api.txt → Documentation/thermal/cpu-cooling-api.rst

+=======================
 CPU cooling APIs How To
-===================================
+=======================
 
 Written by Amit Daniel Kachhap <amit.kachhap@linaro.org>
 
@@ -8,40 +9,54 @@ Updated: 6 Jan 2015
 Copyright (c)  2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
 
 0. Introduction
+===============
 
 The generic cpu cooling(freq clipping) provides registration/unregistration APIs
 to the caller. The binding of the cooling devices to the trip point is left for
 the user. The registration APIs returns the cooling device pointer.
 
 1. cpu cooling APIs
+===================
 
 1.1 cpufreq registration/unregistration APIs
-1.1.1 struct thermal_cooling_device *cpufreq_cooling_register(
-	struct cpumask *clip_cpus)
+--------------------------------------------
+
+    ::
+
+	struct thermal_cooling_device
+	*cpufreq_cooling_register(struct cpumask *clip_cpus)
 
     This interface function registers the cpufreq cooling device with the name
     "thermal-cpufreq-%x". This api can support multiple instances of cpufreq
     cooling devices.
 
-   clip_cpus: cpumask of cpus where the frequency constraints will happen.
+   clip_cpus:
+	cpumask of cpus where the frequency constraints will happen.
+
+    ::
 
-1.1.2 struct thermal_cooling_device *of_cpufreq_cooling_register(
-					struct cpufreq_policy *policy)
+	struct thermal_cooling_device
+	*of_cpufreq_cooling_register(struct cpufreq_policy *policy)
 
     This interface function registers the cpufreq cooling device with
     the name "thermal-cpufreq-%x" linking it with a device tree node, in
     order to bind it via the thermal DT code. This api can support multiple
     instances of cpufreq cooling devices.
 
-    policy: CPUFreq policy.
+    policy:
+	CPUFreq policy.
+
+
+    ::
 
-1.1.3 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
+	void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 
     This interface function unregisters the "thermal-cpufreq-%x" cooling device.
 
     cdev: Cooling device pointer which has to be unregistered.
 
 2. Power models
+===============
 
 The power API registration functions provide a simple power model for
 CPUs.  The current power is calculated as dynamic power (static power isn't
@@ -65,9 +80,9 @@ For a given processor implementation the primary factors are:
   variation.  In pathological cases this variation can be significant,
   but typically it is of a much lesser impact than the factors above.
 
-A high level dynamic power consumption model may then be represented as:
+A high level dynamic power consumption model may then be represented as::
 
-Pdyn = f(run) * Voltage^2 * Frequency * Utilisation
+	Pdyn = f(run) * Voltage^2 * Frequency * Utilisation
 
 f(run) here represents the described execution behaviour and its
 result has a units of Watts/Hz/Volt^2 (this often expressed in
@@ -80,9 +95,9 @@ factors.  Therefore, in initial implementation that contribution is
 represented as a constant coefficient.  This is a simplification
 consistent with the relative contribution to overall power variation.
 
-In this simplified representation our model becomes:
+In this simplified representation our model becomes::
 
-Pdyn = Capacitance * Voltage^2 * Frequency * Utilisation
+	Pdyn = Capacitance * Voltage^2 * Frequency * Utilisation
 
 Where `capacitance` is a constant that represents an indicative
 running time dynamic power coefficient in fundamental units of

Documentation/thermal/exynos_thermal → Documentation/thermal/exynos_thermal.rst

+========================
 Kernel driver exynos_tmu
-=================
+========================
 
 Supported chips:
+
 * ARM SAMSUNG EXYNOS4, EXYNOS5 series of SoC
+
   Datasheet: Not publicly available
 
 Authors: Donggeun Kim <dg77.kim@samsung.com>
@@ -19,32 +22,39 @@ Temperature can be taken from the temperature code.
 There are three equations converting from temperature to temperature code.
 
 The three equations are:
-  1. Two point trimming
+  1. Two point trimming::
+
 	Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1
 
-  2. One point trimming
+  2. One point trimming::
+
 	Tc = T + TI1 - 25
 
-  3. No trimming
+  3. No trimming::
+
 	Tc = T + 50
 
-  Tc: Temperature code, T: Temperature,
-  TI1: Trimming info for 25 degree Celsius (stored at TRIMINFO register)
+  Tc:
+       Temperature code, T: Temperature,
+  TI1:
+       Trimming info for 25 degree Celsius (stored at TRIMINFO register)
        Temperature code measured at 25 degree Celsius which is unchanged
-  TI2: Trimming info for 85 degree Celsius (stored at TRIMINFO register)
+  TI2:
+       Trimming info for 85 degree Celsius (stored at TRIMINFO register)
        Temperature code measured at 85 degree Celsius which is unchanged
 
 TMU(Thermal Management Unit) in EXYNOS4/5 generates interrupt
 when temperature exceeds pre-defined levels.
 The maximum number of configurable threshold is five.
-The threshold levels are defined as follows:
+The threshold levels are defined as follows::
+
   Level_0: current temperature > trigger_level_0 + threshold
   Level_1: current temperature > trigger_level_1 + threshold
   Level_2: current temperature > trigger_level_2 + threshold
   Level_3: current temperature > trigger_level_3 + threshold
 
-  The threshold and each trigger_level are set
-  through the corresponding registers.
+The threshold and each trigger_level are set
+through the corresponding registers.
 
 When an interrupt occurs, this driver notify kernel thermal framework
 with the function exynos_report_trigger.
@@ -54,24 +64,27 @@ it can be used to synchronize the cooling action.
 TMU driver description:
 -----------------------
 
-The exynos thermal driver is structured as,
+The exynos thermal driver is structured as::
 
 					Kernel Core thermal framework
 				(thermal_core.c, step_wise.c, cpu_cooling.c)
 								^
 								|
 								|
-TMU configuration data -------> TMU Driver  <------> Exynos Core thermal wrapper
-(exynos_tmu_data.c)	      (exynos_tmu.c)	   (exynos_thermal_common.c)
-(exynos_tmu_data.h)	      (exynos_tmu.h)	   (exynos_thermal_common.h)
+  TMU configuration data -----> TMU Driver  <----> Exynos Core thermal wrapper
+  (exynos_tmu_data.c)	      (exynos_tmu.c)	   (exynos_thermal_common.c)
+  (exynos_tmu_data.h)	      (exynos_tmu.h)	   (exynos_thermal_common.h)
 
-a) TMU configuration data: This consist of TMU register offsets/bitfields
+a) TMU configuration data:
+		This consist of TMU register offsets/bitfields
 		described through structure exynos_tmu_registers. Also several
 		other platform data (struct exynos_tmu_platform_data) members
 		are used to configure the TMU.
-b) TMU driver: This component initialises the TMU controller and sets different
+b) TMU driver:
+		This component initialises the TMU controller and sets different
 		thresholds. It invokes core thermal implementation with the call
 		exynos_report_trigger.
-c) Exynos Core thermal wrapper: This provides 3 wrapper function to use the
+c) Exynos Core thermal wrapper:
+		This provides 3 wrapper function to use the
 		Kernel core thermal framework. They are exynos_unregister_thermal,
 		exynos_register_thermal and exynos_report_trigger.

Documentation/thermal/exynos_thermal_emulation → Documentation/thermal/exynos_thermal_emulation.rst

-EXYNOS EMULATION MODE
-========================
+=====================
+Exynos Emulation Mode
+=====================
 
 Copyright (C) 2012 Samsung Electronics
 
@@ -8,46 +9,53 @@ Written by Jonghwa Lee <jonghwa3.lee@samsung.com>
 Description
 -----------
 
-Exynos 4x12 (4212, 4412) and 5 series provide emulation mode for thermal management unit.
-Thermal emulation mode supports software debug for TMU's operation. User can set temperature
-manually with software code and TMU will read current temperature from user value not from
-sensor's value.
+Exynos 4x12 (4212, 4412) and 5 series provide emulation mode for thermal
+management unit. Thermal emulation mode supports software debug for
+TMU's operation. User can set temperature manually with software code
+and TMU will read current temperature from user value not from sensor's
+value.
 
-Enabling CONFIG_THERMAL_EMULATION option will make this support available.
-When it's enabled, sysfs node will be created as
+Enabling CONFIG_THERMAL_EMULATION option will make this support
+available. When it's enabled, sysfs node will be created as
 /sys/devices/virtual/thermal/thermal_zone'zone id'/emul_temp.
 
-The sysfs node, 'emul_node', will contain value 0 for the initial state. When you input any
-temperature you want to update to sysfs node, it automatically enable emulation mode and
-current temperature will be changed into it.
-(Exynos also supports user changeable delay time which would be used to delay of
- changing temperature. However, this node only uses same delay of real sensing time, 938us.)
+The sysfs node, 'emul_node', will contain value 0 for the initial state.
+When you input any temperature you want to update to sysfs node, it
+automatically enable emulation mode and current temperature will be
+changed into it.
 
-Exynos emulation mode requires synchronous of value changing and enabling. It means when you
-want to update the any value of delay or next temperature, then you have to enable emulation
-mode at the same time. (Or you have to keep the mode enabling.) If you don't, it fails to
-change the value to updated one and just use last succeessful value repeatedly. That's why
-this node gives users the right to change termerpature only. Just one interface makes it more
-simply to use.
+(Exynos also supports user changeable delay time which would be used to
+delay of changing temperature. However, this node only uses same delay
+of real sensing time, 938us.)
+
+Exynos emulation mode requires synchronous of value changing and
+enabling. It means when you want to update the any value of delay or
+next temperature, then you have to enable emulation mode at the same
+time. (Or you have to keep the mode enabling.) If you don't, it fails to
+change the value to updated one and just use last succeessful value
+repeatedly. That's why this node gives users the right to change
+termerpature only. Just one interface makes it more simply to use.
 
 Disabling emulation mode only requires writing value 0 to sysfs node.
 
+::
+
 
-TEMP	120 |
+  TEMP	120 |
 	    |
 	100 |
 	    |
 	 80 |
-	    |		     	 	 +-----------
-	 60 |      		     	 |	    |
-	    |	           +-------------|          |
+	    |				 +-----------
+	 60 |      			 |	    |
+	    |		   +-------------|          |
 	 40 |              |         	 |          |
-	    |		   |	     	 |          |
-	 20 |		   |	     	 |          +----------
-	    |	 	   |	     	 |          |          |
+	    |		   |		 |          |
+	 20 |		   |		 |          +----------
+	    |		   |		 |          |          |
 	  0 |______________|_____________|__________|__________|_________
-		   A	    	 A	    A	   	       A     TIME
+		   A		 A	    A		       A     TIME
 		   |<----->|	 |<----->|  |<----->|	       |
 		   | 938us |  	 |	 |  |       |          |
-emulation    :  0  50	   |  	 70      |  20      |          0
-current temp :   sensor   50		 70         20	      sensor
+  emulation   : 0  50	   |  	 70      |  20      |          0
+  current temp:   sensor   50		 70         20	      sensor

Documentation/thermal/index.rst

+:orphan:
+
+=======
+Thermal
+=======
+
+.. toctree::
+   :maxdepth: 1
+
+   cpu-cooling-api
+   sysfs-api
+   power_allocator
+
+   exynos_thermal
+   exynos_thermal_emulation
+   intel_powerclamp
+   nouveau_thermal
+   x86_pkg_temperature_thermal

Documentation/thermal/intel_powerclamp.txt → Documentation/thermal/intel_powerclamp.rst

-			 =======================
-			 INTEL POWERCLAMP DRIVER
-			 =======================
-By: Arjan van de Ven <arjan@linux.intel.com>
-    Jacob Pan <jacob.jun.pan@linux.intel.com>
+=======================
+Intel Powerclamp Driver
+=======================
+
+By:
+  - Arjan van de Ven <arjan@linux.intel.com>
+  - Jacob Pan <jacob.jun.pan@linux.intel.com>
+
+.. Contents:
 
-Contents:
 	(*) Introduction
 	    - Goals and Objectives
 
@@ -23,7 +26,6 @@ Contents:
 	    - Generic Thermal Layer (sysfs)
 	    - Kernel APIs (TBD)
 
-============
 INTRODUCTION
 ============
 
@@ -47,7 +49,6 @@ scalability, and user experience. In many cases, clear advantage is
 shown over taking the CPU offline or modulating the CPU clock.
 
 
-===================
 THEORY OF OPERATION
 ===================
 
@@ -57,11 +58,12 @@ Idle Injection
 On modern Intel processors (Nehalem or later), package level C-state
 residency is available in MSRs, thus also available to the kernel.
 
-These MSRs are:
-      #define MSR_PKG_C2_RESIDENCY	0x60D
-      #define MSR_PKG_C3_RESIDENCY	0x3F8
-      #define MSR_PKG_C6_RESIDENCY	0x3F9
-      #define MSR_PKG_C7_RESIDENCY	0x3FA
+These MSRs are::
+
+      #define MSR_PKG_C2_RESIDENCY      0x60D
+      #define MSR_PKG_C3_RESIDENCY      0x3F8
+      #define MSR_PKG_C6_RESIDENCY      0x3F9
+      #define MSR_PKG_C7_RESIDENCY      0x3FA
 
 If the kernel can also inject idle time to the system, then a
 closed-loop control system can be established that manages package
@@ -96,19 +98,21 @@ are not masked. Tests show that the extra wakeups from scheduler tick
 have a dramatic impact on the effectiveness of the powerclamp driver
 on large scale systems (Westmere system with 80 processors).
 
-CPU0
-		  ____________          ____________
-kidle_inject/0   |   sleep    |  mwait |  sleep     |
-	_________|            |________|            |_______
-			       duration
-CPU1
-		  ____________          ____________
-kidle_inject/1   |   sleep    |  mwait |  sleep     |
-	_________|            |________|            |_______
-			      ^
-			      |
-			      |
-			      roundup(jiffies, interval)
+::
+
+  CPU0
+		    ____________          ____________
+  kidle_inject/0   |   sleep    |  mwait |  sleep     |
+	  _________|            |________|            |_______
+				 duration
+  CPU1
+		    ____________          ____________
+  kidle_inject/1   |   sleep    |  mwait |  sleep     |
+	  _________|            |________|            |_______
+				^
+				|
+				|
+				roundup(jiffies, interval)
 
 Only one CPU is allowed to collect statistics and update global
 control parameters. This CPU is referred to as the controlling CPU in
@@ -148,7 +152,7 @@ b) determine the amount of compensation needed at each target ratio
 
 Compensation to each target ratio consists of two parts:
 
-        a) steady state error compensation
+	a) steady state error compensation
 	This is to offset the error occurring when the system can
 	enter idle without extra wakeups (such as external interrupts).
 
@@ -158,41 +162,42 @@ Compensation to each target ratio consists of two parts:
 	slowing down CPU activities.
 
 A debugfs file is provided for the user to examine compensation
-progress and results, such as on a Westmere system.
-[jacob@nex01 ~]$ cat
-/sys/kernel/debug/intel_powerclamp/powerclamp_calib
-controlling cpu: 0
-pct confidence steady dynamic (compensation)
-0	0	0	0
-1	1	0	0
-2	1	1	0
-3	3	1	0
-4	3	1	0
-5	3	1	0
-6	3	1	0
-7	3	1	0
-8	3	1	0
-...
-30	3	2	0
-31	3	2	0
-32	3	1	0
-33	3	2	0
-34	3	1	0
-35	3	2	0
-36	3	1	0
-37	3	2	0
-38	3	1	0
-39	3	2	0
-40	3	3	0
-41	3	1	0
-42	3	2	0
-43	3	1	0
-44	3	1	0
-45	3	2	0
-46	3	3	0
-47	3	0	0
-48	3	2	0
-49	3	3	0
+progress and results, such as on a Westmere system::
+
+  [jacob@nex01 ~]$ cat
+  /sys/kernel/debug/intel_powerclamp/powerclamp_calib
+  controlling cpu: 0
+  pct confidence steady dynamic (compensation)
+  0       0       0       0
+  1       1       0       0
+  2       1       1       0
+  3       3       1       0
+  4       3       1       0
+  5       3       1       0
+  6       3       1       0
+  7       3       1       0
+  8       3       1       0
+  ...
+  30      3       2       0
+  31      3       2       0
+  32      3       1       0
+  33      3       2       0
+  34      3       1       0
+  35      3       2       0
+  36      3       1       0
+  37      3       2       0
+  38      3       1       0
+  39      3       2       0
+  40      3       3       0
+  41      3       1       0
+  42      3       2       0
+  43      3       1       0
+  44      3       1       0
+  45      3       2       0
+  46      3       3       0
+  47      3       0       0
+  48      3       2       0
+  49      3       3       0
 
 Calibration occurs during runtime. No offline method is available.
 Steady state compensation is used only when confidence levels of all
@@ -217,9 +222,8 @@ keeps track of clamping kernel threads, even after they are migrated
 to other CPUs, after a CPU offline event.
 
 
-=====================
 Performance Analysis
-=====================
+====================
 This section describes the general performance data collected on
 multiple systems, including Westmere (80P) and Ivy Bridge (4P, 8P).
 
@@ -257,16 +261,15 @@ achieve up to 40% better performance per watt. (measured by a spin
 counter summed over per CPU counting threads spawned for all running
 CPUs).
 
-====================
 Usage and Interfaces
 ====================
 The powerclamp driver is registered to the generic thermal layer as a
-cooling device. Currently, it’s not bound to any thermal zones.
+cooling device. Currently, it’s not bound to any thermal zones::
 
-jacob@chromoly:/sys/class/thermal/cooling_device14$ grep . *
-cur_state:0
-max_state:50
-type:intel_powerclamp
+  jacob@chromoly:/sys/class/thermal/cooling_device14$ grep . *
+  cur_state:0
+  max_state:50
+  type:intel_powerclamp
 
 cur_state allows user to set the desired idle percentage. Writing 0 to
 cur_state will stop idle injection. Writing a value between 1 and
@@ -278,9 +281,9 @@ cur_state returns value -1 instead of 0 which is to avoid confusing
 100% busy state with the disabled state.
 
 Example usage:
-- To inject 25% idle time
-$ sudo sh -c "echo 25 > /sys/class/thermal/cooling_device80/cur_state
-"
+- To inject 25% idle time::
+
+	$ sudo sh -c "echo 25 > /sys/class/thermal/cooling_device80/cur_state
 
 If the system is not busy and has more than 25% idle time already,
 then the powerclamp driver will not start idle injection. Using Top
@@ -292,23 +295,23 @@ idle time is accounted as normal idle in that common code path is
 taken as the idle task.
 
 In this example, 24.1% idle is shown. This helps the system admin or
-user determine the cause of slowdown, when a powerclamp driver is in action.
-
-
-Tasks: 197 total,   1 running, 196 sleeping,   0 stopped,   0 zombie
-Cpu(s): 71.2%us,  4.7%sy,  0.0%ni, 24.1%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
-Mem:   3943228k total,  1689632k used,  2253596k free,    74960k buffers
-Swap:  4087804k total,        0k used,  4087804k free,   945336k cached
-
-  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
- 3352 jacob     20   0  262m  644  428 S  286  0.0   0:17.16 spin
- 3341 root     -51   0     0    0    0 D   25  0.0   0:01.62 kidle_inject/0
- 3344 root     -51   0     0    0    0 D   25  0.0   0:01.60 kidle_inject/3
- 3342 root     -51   0     0    0    0 D   25  0.0   0:01.61 kidle_inject/1
- 3343 root     -51   0     0    0    0 D   25  0.0   0:01.60 kidle_inject/2
- 2935 jacob     20   0  696m 125m  35m S    5  3.3   0:31.11 firefox
- 1546 root      20   0  158m  20m 6640 S    3  0.5   0:26.97 Xorg
- 2100 jacob     20   0 1223m  88m  30m S    3  2.3   0:23.68 compiz
+user determine the cause of slowdown, when a powerclamp driver is in action::
+
+
+  Tasks: 197 total,   1 running, 196 sleeping,   0 stopped,   0 zombie
+  Cpu(s): 71.2%us,  4.7%sy,  0.0%ni, 24.1%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
+  Mem:   3943228k total,  1689632k used,  2253596k free,    74960k buffers
+  Swap:  4087804k total,        0k used,  4087804k free,   945336k cached
+
+    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
+   3352 jacob     20   0  262m  644  428 S  286  0.0   0:17.16 spin
+   3341 root     -51   0     0    0    0 D   25  0.0   0:01.62 kidle_inject/0
+   3344 root     -51   0     0    0    0 D   25  0.0   0:01.60 kidle_inject/3
+   3342 root     -51   0     0    0    0 D   25  0.0   0:01.61 kidle_inject/1
+   3343 root     -51   0     0    0    0 D   25  0.0   0:01.60 kidle_inject/2
+   2935 jacob     20   0  696m 125m  35m S    5  3.3   0:31.11 firefox
+   1546 root      20   0  158m  20m 6640 S    3  0.5   0:26.97 Xorg
+   2100 jacob     20   0 1223m  88m  30m S    3  2.3   0:23.68 compiz
 
 Tests have shown that by using the powerclamp driver as a cooling
 device, a PID based userspace thermal controller can manage to

Documentation/thermal/nouveau_thermal → Documentation/thermal/nouveau_thermal.rst

+=====================
 Kernel driver nouveau
-===================
+=====================
 
 Supported chips:
+
 * NV43+
 
 Authors: Martin Peres (mupuf) <martin.peres@free.fr>
 
 Description
----------
+-----------
 
 This driver allows to read the GPU core temperature, drive the GPU fan and
 set temperature alarms.
@@ -19,20 +21,25 @@ interface is likely not to work. This document may then not cover your situation
 entirely.
 
 Temperature management
---------------------
+----------------------
 
 Temperature is exposed under as a read-only HWMON attribute temp1_input.
 
 In order to protect the GPU from overheating, Nouveau supports 4 configurable
 temperature thresholds:
 
- * Fan_boost: Fan speed is set to 100% when reaching this temperature;
- * Downclock: The GPU will be downclocked to reduce its power dissipation;
- * Critical: The GPU is put on hold to further lower power dissipation;
- * Shutdown: Shut the computer down to protect your GPU.
+ * Fan_boost:
+	Fan speed is set to 100% when reaching this temperature;
+ * Downclock:
+	The GPU will be downclocked to reduce its power dissipation;
+ * Critical:
+	The GPU is put on hold to further lower power dissipation;
+ * Shutdown:
+	Shut the computer down to protect your GPU.
 
-WARNING: Some of these thresholds may not be used by Nouveau depending
-on your chipset.
+WARNING:
+	Some of these thresholds may not be used by Nouveau depending
+	on your chipset.
 
 The default value for these thresholds comes from the GPU's vbios. These
 thresholds can be configured thanks to the following HWMON attributes:
@@ -46,19 +53,24 @@ NOTE: Remember that the values are stored as milli degrees Celsius. Don't forget
 to multiply!
 
 Fan management
-------------
+--------------
 
 Not all cards have a drivable fan. If you do, then the following HWMON
 attributes should be available:
 
- * pwm1_enable: Current fan management mode (NONE, MANUAL or AUTO);
- * pwm1: Current PWM value (power percentage);
- * pwm1_min: The minimum PWM speed allowed;
- * pwm1_max: The maximum PWM speed allowed (bypassed when hitting Fan_boost);
+ * pwm1_enable:
+	Current fan management mode (NONE, MANUAL or AUTO);
+ * pwm1:
+	Current PWM value (power percentage);
+ * pwm1_min:
+	The minimum PWM speed allowed;
+ * pwm1_max:
+	The maximum PWM speed allowed (bypassed when hitting Fan_boost);
 
 You may also have the following attribute:
 
- * fan1_input: Speed in RPM of your fan.
+ * fan1_input:
+	Speed in RPM of your fan.
 
 Your fan can be driven in different modes:
 
@@ -66,14 +78,16 @@ Your fan can be driven in different modes:
  * 1: The fan can be driven in manual (use pwm1 to change the speed);
  * 2; The fan is driven automatically depending on the temperature.
 
-NOTE: Be sure to use the manual mode if you want to drive the fan speed manually
+NOTE:
+  Be sure to use the manual mode if you want to drive the fan speed manually
 
-NOTE2: When operating in manual mode outside the vbios-defined
-[PWM_min, PWM_max] range, the reported fan speed (RPM) may not be accurate
-depending on your hardware.
+NOTE2:
+  When operating in manual mode outside the vbios-defined
+  [PWM_min, PWM_max] range, the reported fan speed (RPM) may not be accurate
+  depending on your hardware.
 
 Bug reports
----------
+-----------
 
 Thermal management on Nouveau is new and may not work on all cards. If you have
 inquiries, please ping mupuf on IRC (#nouveau, freenode).

Documentation/thermal/power_allocator.txt → Documentation/thermal/power_allocator.rst

+=================================
 Power allocator governor tunables
 =================================
 
@@ -25,36 +26,36 @@ temperature as the control input and power as the controlled output:
     P_max = k_p * e + k_i * err_integral + k_d * diff_err + sustainable_power
 
 where
-    e = desired_temperature - current_temperature
-    err_integral is the sum of previous errors
-    diff_err = e - previous_error
-
-It is similar to the one depicted below:
-
-                                      k_d
-                                       |
-current_temp                           |
-     |                                 v
-     |                +----------+   +---+
-     |         +----->| diff_err |-->| X |------+
-     |         |      +----------+   +---+      |
-     |         |                                |      tdp        actor
-     |         |                      k_i       |       |  get_requested_power()
-     |         |                       |        |       |        |     |
-     |         |                       |        |       |        |     | ...
-     v         |                       v        v       v        v     v
-   +---+       |      +-------+      +---+    +---+   +---+   +----------+
-   | S |-------+----->| sum e |----->| X |--->| S |-->| S |-->|power     |
-   +---+       |      +-------+      +---+    +---+   +---+   |allocation|
-     ^         |                                ^             +----------+
-     |         |                                |                |     |
-     |         |        +---+                   |                |     |
-     |         +------->| X |-------------------+                v     v
-     |                  +---+                               granted performance
-desired_temperature       ^
-                          |
-                          |
-                      k_po/k_pu
+   -  e = desired_temperature - current_temperature
+   -  err_integral is the sum of previous errors
+   -  diff_err = e - previous_error
+
+It is similar to the one depicted below::
+
+				      k_d
+				       |
+  current_temp                         |
+       |                               v
+       |              +----------+   +---+
+       |       +----->| diff_err |-->| X |------+
+       |       |      +----------+   +---+      |
+       |       |                                |      tdp        actor
+       |       |                      k_i       |       |  get_requested_power()
+       |       |                       |        |       |        |     |
+       |       |                       |        |       |        |     | ...
+       v       |                       v        v       v        v     v
+     +---+     |      +-------+      +---+    +---+   +---+   +----------+
+     | S |-----+----->| sum e |----->| X |--->| S |-->| S |-->|power     |
+     +---+     |      +-------+      +---+    +---+   +---+   |allocation|
+       ^       |                                ^             +----------+
+       |       |                                |                |     |
+       |       |        +---+                   |                |     |
+       |       +------->| X |-------------------+                v     v
+       |                +---+                               granted performance
+  desired_temperature     ^
+			  |
+			  |
+		      k_po/k_pu
 
 Sustainable power
 -----------------
@@ -73,7 +74,7 @@ is typically 2000mW, while on a 10" tablet is around 4500mW (may vary
 depending on screen size).
 
 If you are using device tree, do add it as a property of the
-thermal-zone.  For example:
+thermal-zone.  For example::
 
 	thermal-zones {
 		soc_thermal {
@@ -85,7 +86,7 @@ thermal-zone.  For example:
 Instead, if the thermal zone is registered from the platform code, pass a
 `thermal_zone_params` that has a `sustainable_power`.  If no
 `thermal_zone_params` were being passed, then something like below
-will suffice:
+will suffice::
 
 	static const struct thermal_zone_params tz_params = {
 		.sustainable_power = 3500,
@@ -112,18 +113,18 @@ available capacity at a low temperature.  On the other hand, a high
 value of `k_pu` will result in the governor granting very high power
 while temperature is low, and may lead to temperature overshooting.
 
-The default value for `k_pu` is:
+The default value for `k_pu` is::
 
     2 * sustainable_power / (desired_temperature - switch_on_temp)
 
 This means that at `switch_on_temp` the output of the controller's
 proportional term will be 2 * `sustainable_power`.  The default value
-for `k_po` is:
+for `k_po` is::
 
     sustainable_power / (desired_temperature - switch_on_temp)
 
 Focusing on the proportional and feed forward values of the PID
-controller equation we have:
+controller equation we have::
 
     P_max = k_p * e + sustainable_power
 
@@ -134,21 +135,23 @@ is the desired one, then the proportional component is zero and
 thermal equilibrium under constant load.  `sustainable_power` is only
 an estimate, which is the reason for closed-loop control such as this.
 
-Expanding `k_pu` we get:
+Expanding `k_pu` we get::
+
     P_max = 2 * sustainable_power * (T_set - T) / (T_set - T_on) +
-        sustainable_power
+	sustainable_power
 
-where
-    T_set is the desired temperature
-    T is the current temperature
-    T_on is the switch on temperature
+where:
+
+    - T_set is the desired temperature
+    - T is the current temperature
+    - T_on is the switch on temperature
 
 When the current temperature is the switch_on temperature, the above
-formula becomes:
+formula becomes::
 
     P_max = 2 * sustainable_power * (T_set - T_on) / (T_set - T_on) +
-        sustainable_power = 2 * sustainable_power + sustainable_power =
-        3 * sustainable_power
+	sustainable_power = 2 * sustainable_power + sustainable_power =
+	3 * sustainable_power
 
 Therefore, the proportional term alone linearly decreases power from
 3 * `sustainable_power` to `sustainable_power` as the temperature
@@ -178,11 +181,18 @@ Cooling device power API
 Cooling devices controlled by this governor must supply the additional
 "power" API in their `cooling_device_ops`.  It consists on three ops:
 
-1. int get_requested_power(struct thermal_cooling_device *cdev,
-	struct thermal_zone_device *tz, u32 *power);
-@cdev: The `struct thermal_cooling_device` pointer
-@tz: thermal zone in which we are currently operating
-@power: pointer in which to store the calculated power
+1. ::
+
+    int get_requested_power(struct thermal_cooling_device *cdev,
+			    struct thermal_zone_device *tz, u32 *power);
+
+
+@cdev:
+	The `struct thermal_cooling_device` pointer
+@tz:
+	thermal zone in which we are currently operating
+@power:
+	pointer in which to store the calculated power
 
 `get_requested_power()` calculates the power requested by the device
 in milliwatts and stores it in @power .  It should return 0 on
@@ -190,23 +200,37 @@ success, -E* on failure.  This is currently used by the power
 allocator governor to calculate how much power to give to each cooling
 device.
 
-2. int state2power(struct thermal_cooling_device *cdev, struct
-        thermal_zone_device *tz, unsigned long state, u32 *power);
-@cdev: The `struct thermal_cooling_device` pointer
-@tz: thermal zone in which we are currently operating
-@state: A cooling device state
-@power: pointer in which to store the equivalent power
+2. ::
+
+	int state2power(struct thermal_cooling_device *cdev, struct
+			thermal_zone_device *tz, unsigned long state,
+			u32 *power);
+
+@cdev:
+	The `struct thermal_cooling_device` pointer
+@tz:
+	thermal zone in which we are currently operating
+@state:
+	A cooling device state
+@power:
+	pointer in which to store the equivalent power
 
 Convert cooling device state @state into power consumption in
 milliwatts and store it in @power.  It should return 0 on success, -E*
 on failure.  This is currently used by thermal core to calculate the
 maximum power that an actor can consume.
 
-3. int power2state(struct thermal_cooling_device *cdev, u32 power,
-	unsigned long *state);
-@cdev: The `struct thermal_cooling_device` pointer
-@power: power in milliwatts
-@state: pointer in which to store the resulting state
+3. ::
+
+	int power2state(struct thermal_cooling_device *cdev, u32 power,
+			unsigned long *state);
+
+@cdev:
+	The `struct thermal_cooling_device` pointer
+@power:
+	power in milliwatts
+@state:
+	pointer in which to store the resulting state
 
 Calculate a cooling device state that would make the device consume at
 most @power mW and store it in @state.  It should return 0 on success,

Documentation/thermal/x86_pkg_temperature_thermal → Documentation/thermal/x86_pkg_temperature_thermal.rst

+===================================
 Kernel driver: x86_pkg_temp_thermal
-===================
+===================================
 
 Supported chips:
+
 * x86: with package level thermal management
+
 (Verify using: CPUID.06H:EAX[bit 6] =1)
 
 Authors: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
 
 Reference
----
+---------
+
 Intel® 64 and IA-32 Architectures Software Developer’s Manual (Jan, 2013):
 Chapter 14.6: PACKAGE LEVEL THERMAL MANAGEMENT
 
 Description
----------
+-----------
 
 This driver register CPU digital temperature package level sensor as a thermal
 zone with maximum two user mode configurable trip points. Number of trip points
@@ -25,23 +29,27 @@ take any action to control temperature.
 Threshold management
 --------------------
 Each package will register as a thermal zone under /sys/class/thermal.
-Example:
-/sys/class/thermal/thermal_zone1
+
+Example::
+
+	/sys/class/thermal/thermal_zone1
 
 This contains two trip points:
+
 - trip_point_0_temp
 - trip_point_1_temp
 
 User can set any temperature between 0 to TJ-Max temperature. Temperature units
-are in milli-degree Celsius. Refer to "Documentation/thermal/sysfs-api.txt" for
+are in milli-degree Celsius. Refer to "Documentation/thermal/sysfs-api.rst" for
 thermal sys-fs details.
 
 Any value other than 0 in these trip points, can trigger thermal notifications.
 Setting 0, stops sending thermal notifications.
 
-Thermal notifications: To get kobject-uevent notifications, set the thermal zone
-policy to "user_space". For example: echo -n "user_space" > policy
-
-
+Thermal notifications:
+To get kobject-uevent notifications, set the thermal zone
+policy to "user_space".
 
+For example::
 
+	echo -n "user_space" > policy

MAINTAINERS

@@ -15896,7 +15896,7 @@ M:	Viresh Kumar <viresh.kumar@linaro.org>
 M:	Javi Merino <javi.merino@kernel.org>
 L:	linux-pm@vger.kernel.org
 S:	Supported
-F:	Documentation/thermal/cpu-cooling-api.txt
+F:	Documentation/thermal/cpu-cooling-api.rst
 F:	drivers/thermal/cpu_cooling.c
 F:	include/linux/cpu_cooling.h
 

drivers/thermal/fair_share.c

@@ -117,14 +117,4 @@ static struct thermal_governor thermal_gov_fair_share = {
 	.name		= "fair_share",
 	.throttle	= fair_share_throttle,
 };
-
-int thermal_gov_fair_share_register(void)
-{
-	return thermal_register_governor(&thermal_gov_fair_share);
-}
-
-void thermal_gov_fair_share_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_fair_share);
-}
-
+THERMAL_GOVERNOR_DECLARE(thermal_gov_fair_share);

drivers/thermal/gov_bang_bang.c

@@ -116,13 +116,4 @@ static struct thermal_governor thermal_gov_bang_bang = {
 	.name		= "bang_bang",
 	.throttle	= bang_bang_control,
 };
-
-int thermal_gov_bang_bang_register(void)
-{
-	return thermal_register_governor(&thermal_gov_bang_bang);
-}
-
-void thermal_gov_bang_bang_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_bang_bang);
-}
+THERMAL_GOVERNOR_DECLARE(thermal_gov_bang_bang);

drivers/thermal/intel/int340x_thermal/processor_thermal_device.c

@@ -443,6 +443,22 @@ static void  proc_thermal_pci_remove(struct pci_dev *pdev)
 	pci_disable_device(pdev);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int proc_thermal_resume(struct device *dev)
+{
+	struct proc_thermal_device *proc_dev;
+
+	proc_dev = dev_get_drvdata(dev);
+	proc_thermal_read_ppcc(proc_dev);
+
+	return 0;
+}
+#else
+#define proc_thermal_resume NULL
+#endif
+
+static SIMPLE_DEV_PM_OPS(proc_thermal_pm, NULL, proc_thermal_resume);
+
 static const struct pci_device_id proc_thermal_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_BDW_THERMAL)},
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PROC_HSB_THERMAL)},
@@ -465,6 +481,7 @@ static struct pci_driver proc_thermal_pci_driver = {
 	.probe		= proc_thermal_pci_probe,
 	.remove		= proc_thermal_pci_remove,
 	.id_table	= proc_thermal_pci_ids,
+	.driver.pm	= &proc_thermal_pm,
 };
 
 static const struct acpi_device_id int3401_device_ids[] = {
@@ -479,6 +496,7 @@ static struct platform_driver int3401_driver = {
 	.driver = {
 		.name = "int3401 thermal",
 		.acpi_match_table = int3401_device_ids,
+		.pm = &proc_thermal_pm,
 	},
 };
 

drivers/thermal/power_allocator.c

@@ -651,13 +651,4 @@ static struct thermal_governor thermal_gov_power_allocator = {
 	.unbind_from_tz	= power_allocator_unbind,
 	.throttle	= power_allocator_throttle,
 };
-
-int thermal_gov_power_allocator_register(void)
-{
-	return thermal_register_governor(&thermal_gov_power_allocator);
-}
-
-void thermal_gov_power_allocator_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_power_allocator);
-}
+THERMAL_GOVERNOR_DECLARE(thermal_gov_power_allocator);

drivers/thermal/step_wise.c

@@ -206,13 +206,4 @@ static struct thermal_governor thermal_gov_step_wise = {
 	.name		= "step_wise",
 	.throttle	= step_wise_throttle,
 };
-
-int thermal_gov_step_wise_register(void)
-{
-	return thermal_register_governor(&thermal_gov_step_wise);
-}
-
-void thermal_gov_step_wise_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_step_wise);
-}
+THERMAL_GOVERNOR_DECLARE(thermal_gov_step_wise);

drivers/thermal/thermal_core.c

@@ -243,36 +243,42 @@ int thermal_build_list_of_policies(char *buf)
 	return count;
 }
 
-static int __init thermal_register_governors(void)
+static void __init thermal_unregister_governors(void)
 {
-	int result;
+	struct thermal_governor **governor;
 
-	result = thermal_gov_step_wise_register();
-	if (result)
-		return result;
+	for_each_governor_table(governor)
+		thermal_unregister_governor(*governor);
+}
 
-	result = thermal_gov_fair_share_register();
-	if (result)
-		return result;
+static int __init thermal_register_governors(void)
+{
+	int ret = 0;
+	struct thermal_governor **governor;
 
-	result = thermal_gov_bang_bang_register();
-	if (result)
-		return result;
+	for_each_governor_table(governor) {
+		ret = thermal_register_governor(*governor);
+		if (ret) {
+			pr_err("Failed to register governor: '%s'",
+			       (*governor)->name);
+			break;
+		}
 
-	result = thermal_gov_user_space_register();
-	if (result)
-		return result;
+		pr_info("Registered thermal governor '%s'",
+			(*governor)->name);
+	}
 
-	return thermal_gov_power_allocator_register();
-}
+	if (ret) {
+		struct thermal_governor **gov;
 
-static void __init thermal_unregister_governors(void)
-{
-	thermal_gov_step_wise_unregister();
-	thermal_gov_fair_share_unregister();
-	thermal_gov_bang_bang_unregister();
-	thermal_gov_user_space_unregister();
-	thermal_gov_power_allocator_unregister();
+		for_each_governor_table(gov) {
+			if (gov == governor)
+				break;
+			thermal_unregister_governor(*gov);
+		}
+	}
+
+	return ret;
 }
 
 /*

drivers/thermal/thermal_core.h

@@ -15,6 +15,21 @@
 /* Initial state of a cooling device during binding */
 #define THERMAL_NO_TARGET -1UL
 
+/* Init section thermal table */
+extern struct thermal_governor *__governor_thermal_table[];
+extern struct thermal_governor *__governor_thermal_table_end[];
+
+#define THERMAL_TABLE_ENTRY(table, name)			\
+	static typeof(name) *__thermal_table_entry_##name	\
+	__used __section(__##table##_thermal_table) = &name
+
+#define THERMAL_GOVERNOR_DECLARE(name)	THERMAL_TABLE_ENTRY(governor, name)
+
+#define for_each_governor_table(__governor)		\
+	for (__governor = __governor_thermal_table;	\
+	     __governor < __governor_thermal_table_end;	\
+	     __governor++)
+
 /*
  * This structure is used to describe the behavior of
  * a certain cooling device on a certain trip point
@@ -74,46 +89,6 @@ thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
 				    unsigned long new_state) {}
 #endif /* CONFIG_THERMAL_STATISTICS */
 
-#ifdef CONFIG_THERMAL_GOV_STEP_WISE
-int thermal_gov_step_wise_register(void);
-void thermal_gov_step_wise_unregister(void);
-#else
-static inline int thermal_gov_step_wise_register(void) { return 0; }
-static inline void thermal_gov_step_wise_unregister(void) {}
-#endif /* CONFIG_THERMAL_GOV_STEP_WISE */
-
-#ifdef CONFIG_THERMAL_GOV_FAIR_SHARE
-int thermal_gov_fair_share_register(void);
-void thermal_gov_fair_share_unregister(void);
-#else
-static inline int thermal_gov_fair_share_register(void) { return 0; }
-static inline void thermal_gov_fair_share_unregister(void) {}
-#endif /* CONFIG_THERMAL_GOV_FAIR_SHARE */
-
-#ifdef CONFIG_THERMAL_GOV_BANG_BANG
-int thermal_gov_bang_bang_register(void);
-void thermal_gov_bang_bang_unregister(void);
-#else
-static inline int thermal_gov_bang_bang_register(void) { return 0; }
-static inline void thermal_gov_bang_bang_unregister(void) {}
-#endif /* CONFIG_THERMAL_GOV_BANG_BANG */
-
-#ifdef CONFIG_THERMAL_GOV_USER_SPACE
-int thermal_gov_user_space_register(void);
-void thermal_gov_user_space_unregister(void);
-#else
-static inline int thermal_gov_user_space_register(void) { return 0; }
-static inline void thermal_gov_user_space_unregister(void) {}
-#endif /* CONFIG_THERMAL_GOV_USER_SPACE */
-
-#ifdef CONFIG_THERMAL_GOV_POWER_ALLOCATOR
-int thermal_gov_power_allocator_register(void);
-void thermal_gov_power_allocator_unregister(void);
-#else
-static inline int thermal_gov_power_allocator_register(void) { return 0; }
-static inline void thermal_gov_power_allocator_unregister(void) {}
-#endif /* CONFIG_THERMAL_GOV_POWER_ALLOCATOR */
-
 /* device tree support */
 #ifdef CONFIG_THERMAL_OF
 int of_parse_thermal_zones(void);

drivers/thermal/user_space.c

@@ -44,14 +44,4 @@ static struct thermal_governor thermal_gov_user_space = {
 	.name		= "user_space",
 	.throttle	= notify_user_space,
 };
-
-int thermal_gov_user_space_register(void)
-{
-	return thermal_register_governor(&thermal_gov_user_space);
-}
-
-void thermal_gov_user_space_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_user_space);
-}
-
+THERMAL_GOVERNOR_DECLARE(thermal_gov_user_space);

include/asm-generic/vmlinux.lds.h

@@ -246,6 +246,16 @@
 #define ACPI_PROBE_TABLE(name)
 #endif
 
+#ifdef CONFIG_THERMAL
+#define THERMAL_TABLE(name)						\
+	. = ALIGN(8);							\
+	__##name##_thermal_table = .;					\
+	KEEP(*(__##name##_thermal_table))				\
+	__##name##_thermal_table_end = .;
+#else
+#define THERMAL_TABLE(name)
+#endif
+
 #define KERNEL_DTB()							\
 	STRUCT_ALIGN();							\
 	__dtb_start = .;						\
@@ -615,6 +625,7 @@
 	IRQCHIP_OF_MATCH_TABLE()					\
 	ACPI_PROBE_TABLE(irqchip)					\
 	ACPI_PROBE_TABLE(timer)						\
+	THERMAL_TABLE(governor)						\
 	EARLYCON_TABLE()						\
 	LSM_TABLE()
 

include/linux/thermal.h

@@ -251,7 +251,7 @@ struct thermal_bind_params {
 	 * platform characterization. This value is relative to the
 	 * rest of the weights so a cooling device whose weight is
 	 * double that of another cooling device is twice as
-	 * effective. See Documentation/thermal/sysfs-api.txt for more
+	 * effective. See Documentation/thermal/sysfs-api.rst for more
 	 * information.
 	 */
 	int weight;
@@ -259,7 +259,7 @@ struct thermal_bind_params {
 	/*
 	 * This is a bit mask that gives the binding relation between this
 	 * thermal zone and cdev, for a particular trip point.
-	 * See Documentation/thermal/sysfs-api.txt for more information.
+	 * See Documentation/thermal/sysfs-api.rst for more information.
 	 */
 	int trip_mask;