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Randy Dunlap 3c87402771 Documentation: power: fix pm_qos_interface.rst format warning
Fix Sphinx warnings by indenting the bullet list (and making it
unnumbered).

Documentation/power/pm_qos_interface.rst:12: WARNING: Unexpected indentation.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-02-20 11:53:32 +01:00
Rafael J. Wysocki b8e6e27c62 Documentation: PM: QoS: Update to reflect previous code changes
Update the PM QoS documentation to reflect the previous code changes
regarding the removal of PM QoS classes and the CPU latency QoS API
rework.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Tested-by: Amit Kucheria <amit.kucheria@linaro.org>
2020-02-14 10:37:26 +01:00
Bjorn Helgaas 1992b66d2f PM: Wrap documentation to fit in 80 columns
Wrap to 80 columns.  No textual change except to correct some "it's" that
should be "its".

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-11-20 12:16:37 +01:00
Amit Kucheria c3082a674f PM: QoS: Get rid of unused flags
The network_latency and network_throughput flags for PM-QoS have not
found much use in drivers or in userspace since they were introduced.

Commit 4a733ef1be ("mac80211: remove PM-QoS listener") removed the
only user PM_QOS_NETWORK_LATENCY in the kernel a while ago and there
don't seem to be any userspace tools using the character device files
either.

PM_QOS_MEMORY_BANDWIDTH was never even added to the trace events.

Remove all the flags except cpu_dma_latency.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-08-21 00:38:54 +02:00
Linus Torvalds d0411ec8ca More power management updates for 5.3-rc1
- Add MMIO interface support to the Intel RAPL power capping
    driver and update the int340X thermal driver to provide a
    RAPL MMIO interface (Zhang Rui, Stephen Rothwell).
 
  - Add Intel Ice Lake CPU IDs to the RAPL driver (Zhang Rui,
    Rajneesh Bhardwaj).
 
  - Make cpufreq use the PM QoS framework (instead of notifiers) for
    managing the min and max frequency constraints (Viresh Kumar).
 
  - Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
    Huang).
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Merge tag 'pm-5.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These modify the Intel RAPL driver to allow it to use an MMIO
  interface to the hardware, make the int340X thermal driver provide
  such an interface for it, add Intel Ice Lake CPU IDs to the RAPL
  driver (these changes depend on the previously merged x86 arch
  changes), update cpufreq to use the PM QoS framework for managing the
  min and max frequency limits, and add update the imx-cpufreq-dt
  cpufreq driver to support i.MX8MN.

  Specifics:

   - Add MMIO interface support to the Intel RAPL power capping driver
     and update the int340X thermal driver to provide a RAPL MMIO
     interface (Zhang Rui, Stephen Rothwell).

   - Add Intel Ice Lake CPU IDs to the RAPL driver (Zhang Rui, Rajneesh
     Bhardwaj).

   - Make cpufreq use the PM QoS framework (instead of notifiers) for
     managing the min and max frequency constraints (Viresh Kumar).

   - Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
     Huang)"

* tag 'pm-5.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
  cpufreq: Make cpufreq_generic_init() return void
  intel_rapl: need linux/cpuhotplug.h for enum cpuhp_state
  powercap/rapl: Add Ice Lake NNPI support to RAPL driver
  powercap/intel_rapl: add support for ICX-D
  powercap/intel_rapl: add support for ICX
  powercap/intel_rapl: add support for IceLake desktop
  intel_rapl: Fix module autoloading issue
  int340X/processor_thermal_device: add support for MMIO RAPL
  intel_rapl: support two power limits for every RAPL domain
  intel_rapl: support 64 bit register
  intel_rapl: abstract RAPL common code
  intel_rapl: cleanup hardcoded MSR access
  intel_rapl: cleanup some functions
  intel_rapl: abstract register access operations
  intel_rapl: abstract register address
  intel_rapl: introduce struct rapl_if_private
  intel_rapl: introduce intel_rapl.h
  intel_rapl: remove hardcoded register index
  intel_rapl: use reg instead of msr
  cpufreq: imx-cpufreq-dt: Add i.MX8MN support
  ...
2019-07-18 09:32:28 -07:00
Mauro Carvalho Chehab 151f4e2bdc docs: power: convert docs to ReST and rename to *.rst
Convert the PM documents to ReST, in order to allow them to
build with Sphinx.

The conversion is actually:
  - add blank lines and indentation in order to identify paragraphs;
  - fix tables markups;
  - add some lists markups;
  - mark literal blocks;
  - adjust title markups.

At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
2019-06-14 16:08:36 -05:00