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ACPI and power management updates for 3.9-rc1

Browse source 
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
   with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
   Toshi Kani, and Yinghai Lu.
 
 - ACPI power resources handling and ACPI device PM update from
   Rafael J. Wysocki.
 
 - ACPICA update to version 20130117 from Bob Moore and Lv Zheng
   with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and
   Tim Gardner.
 
 - Support for Intel Lynxpoint LPSS from Mika Westerberg.
 
 - cpuidle update from Len Brown including Intel Haswell support, C1
   state for intel_idle, removal of global pm_idle.
 
 - cpuidle fixes and cleanups from Daniel Lezcano.
 
 - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri
   with contributions from Stratos Karafotis and Rickard Andersson.
 
 - Intel P-states driver for Sandy Bridge processors from
   Dirk Brandewie.
 
 - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
 
 - cpufreq fixes related to ordering issues between acpi-cpufreq and
   powernow-k8 from Borislav Petkov and Matthew Garrett.
 
 - cpufreq support for Calxeda Highbank processors from Mark Langsdorf
   and Rob Herring.
 
 - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
   from Shawn Guo.
 
 - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
   and Inderpal Singh.
 
 - Support for "lightweight suspend" from Zhang Rui.
 
 - Removal of the deprecated power trace API from Paul Gortmaker.
 
 - Assorted updates from Andreas Fleig, Colin Ian King,
   Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei,
   Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo,
   Thomas Renninger, and Yasuaki Ishimatsu.
 
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Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:

 - Rework of the ACPI namespace scanning code from Rafael J.  Wysocki
   with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
   Toshi Kani, and Yinghai Lu.

 - ACPI power resources handling and ACPI device PM update from Rafael
   J Wysocki.

 - ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
   contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.

 - Support for Intel Lynxpoint LPSS from Mika Westerberg.

 - cpuidle update from Len Brown including Intel Haswell support, C1
   state for intel_idle, removal of global pm_idle.

 - cpuidle fixes and cleanups from Daniel Lezcano.

 - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
   contributions from Stratos Karafotis and Rickard Andersson.

 - Intel P-states driver for Sandy Bridge processors from Dirk
   Brandewie.

 - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.

 - cpufreq fixes related to ordering issues between acpi-cpufreq and
   powernow-k8 from Borislav Petkov and Matthew Garrett.

 - cpufreq support for Calxeda Highbank processors from Mark Langsdorf
   and Rob Herring.

 - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
   from Shawn Guo.

 - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
   and Inderpal Singh.

 - Support for "lightweight suspend" from Zhang Rui.

 - Removal of the deprecated power trace API from Paul Gortmaker.

 - Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
   Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
   Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
   Ishimatsu.

* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
  PM idle: remove global declaration of pm_idle
  unicore32 idle: delete stray pm_idle comment
  openrisc idle: delete pm_idle
  mn10300 idle: delete pm_idle
  microblaze idle: delete pm_idle
  m32r idle: delete pm_idle, and other dead idle code
  ia64 idle: delete pm_idle
  cris idle: delete idle and pm_idle
  ARM64 idle: delete pm_idle
  ARM idle: delete pm_idle
  blackfin idle: delete pm_idle
  sparc idle: rename pm_idle to sparc_idle
  sh idle: rename global pm_idle to static sh_idle
  x86 idle: rename global pm_idle to static x86_idle
  APM idle: register apm_cpu_idle via cpuidle
  cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
  cpufreq / intel_pstate: Change to disallow module build
  tools/power turbostat: display SMI count by default
  intel_idle: export both C1 and C1E
  ACPI / hotplug: Fix concurrency issues and memory leaks
  ...
This commit is contained in:
Linus Torvalds 2013-02-20 11:26:56 -08:00
commit 8793422fd9
374 changed files with 10713 additions and 8060 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/base/power/domain.c
View file

@ -433,8 +433,7 @@ static bool genpd_abort_poweroff(struct generic_pm_domain *genpd)
*/
void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
{
if (!work_pending(&genpd->power_off_work))
queue_work(pm_wq, &genpd->power_off_work);
queue_work(pm_wq, &genpd->power_off_work);
}
/**

19
drivers/base/power/opp.c
View file

@ -162,7 +162,7 @@ unsigned long opp_get_voltage(struct opp *opp)
return v;
}
EXPORT_SYMBOL(opp_get_voltage);
EXPORT_SYMBOL_GPL(opp_get_voltage);
/**
* opp_get_freq() - Gets the frequency corresponding to an available opp
@ -192,7 +192,7 @@ unsigned long opp_get_freq(struct opp *opp)
return f;
}
EXPORT_SYMBOL(opp_get_freq);
EXPORT_SYMBOL_GPL(opp_get_freq);
/**
* opp_get_opp_count() - Get number of opps available in the opp list
@ -225,7 +225,7 @@ int opp_get_opp_count(struct device *dev)
return count;
}
EXPORT_SYMBOL(opp_get_opp_count);
EXPORT_SYMBOL_GPL(opp_get_opp_count);
/**
* opp_find_freq_exact() - search for an exact frequency
@ -276,7 +276,7 @@ struct opp *opp_find_freq_exact(struct device *dev, unsigned long freq,
return opp;
}
EXPORT_SYMBOL(opp_find_freq_exact);
EXPORT_SYMBOL_GPL(opp_find_freq_exact);
/**
* opp_find_freq_ceil() - Search for an rounded ceil freq
@ -323,7 +323,7 @@ struct opp *opp_find_freq_ceil(struct device *dev, unsigned long *freq)
return opp;
}
EXPORT_SYMBOL(opp_find_freq_ceil);
EXPORT_SYMBOL_GPL(opp_find_freq_ceil);
/**
* opp_find_freq_floor() - Search for a rounded floor freq
@ -374,7 +374,7 @@ struct opp *opp_find_freq_floor(struct device *dev, unsigned long *freq)
return opp;
}
EXPORT_SYMBOL(opp_find_freq_floor);
EXPORT_SYMBOL_GPL(opp_find_freq_floor);
/**
* opp_add() - Add an OPP table from a table definitions
@ -568,7 +568,7 @@ int opp_enable(struct device *dev, unsigned long freq)
{
return opp_set_availability(dev, freq, true);
}
EXPORT_SYMBOL(opp_enable);
EXPORT_SYMBOL_GPL(opp_enable);
/**
* opp_disable() - Disable a specific OPP
@ -590,7 +590,7 @@ int opp_disable(struct device *dev, unsigned long freq)
{
return opp_set_availability(dev, freq, false);
}
EXPORT_SYMBOL(opp_disable);
EXPORT_SYMBOL_GPL(opp_disable);
#ifdef CONFIG_CPU_FREQ
/**
@ -661,6 +661,7 @@ int opp_init_cpufreq_table(struct device *dev,
return 0;
}
EXPORT_SYMBOL_GPL(opp_init_cpufreq_table);
/**
* opp_free_cpufreq_table() - free the cpufreq table
@ -678,6 +679,7 @@ void opp_free_cpufreq_table(struct device *dev,
kfree(*table);
*table = NULL;
}
EXPORT_SYMBOL_GPL(opp_free_cpufreq_table);
#endif /* CONFIG_CPU_FREQ */
/**
@ -738,4 +740,5 @@ int of_init_opp_table(struct device *dev)
return 0;
}
EXPORT_SYMBOL_GPL(of_init_opp_table);
#endif

6
drivers/base/power/wakeup.c
View file

@ -382,6 +382,12 @@ static void wakeup_source_activate(struct wakeup_source *ws)
{
unsigned int cec;
/*
* active wakeup source should bring the system
* out of PM_SUSPEND_FREEZE state
*/
freeze_wake();
ws->active = true;
ws->active_count++;
ws->last_time = ktime_get();