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Commit Graph

11 Commits

Author SHA1 Message Date
Thomas Gleixner
9952f6918d treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation this program
  is distributed in the hope it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details you should have received a copy of the gnu general
  public license along with this program if not see http www gnu org
  licenses

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 228 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:52 -07:00
Stephen Boyd
f6111b9d79 Merge branches 'clk-doc', 'clk-more-critical', 'clk-meson' and 'clk-basic-be' into clk-next
- Remove clk_readl() and introduce BE versions of basic clk types

* clk-doc:
  clk: Drop duplicate clk_register() documentation
  clk: Document and simplify clk_core_get_rate_nolock()
  clk: Remove 'flags' member of struct clk_fixed_rate
  clk: nxp: Drop 'flags' on fixed_rate clk macro
  clk: Document __clk_mux_determine_rate()
  clk: Document CLK_MUX_READ_ONLY mux flag
  clk: Document deprecated things
  clk: Collapse gpio clk kerneldoc

* clk-more-critical:
  clk: highbank: Convert to CLK_IS_CRITICAL

* clk-meson: (21 commits)
  clk: meson: axg-audio: add g12a support
  clk: meson: axg-audio: don't register inputs in the onecell data
  clk: meson: axg_audio: replace prefix axg by aud
  dt-bindings: clk: axg-audio: add g12a support
  clk: meson: meson8b: add the video decoder clock trees
  clk: meson: meson8b: add the VPU clock trees
  clk: meson: meson8b: add support for the GP_PLL clock on Meson8m2
  clk: meson: meson8b: use a separate clock table for Meson8m2
  dt-bindings: clock: meson8b: export the video decoder clocks
  clk: meson-g12a: add video decoder clocks
  dt-bindings: clock: meson8b: export the VPU clock
  clk: meson-g12a: add PCIE PLL clocks
  dt-bindings: clock: g12a-aoclk: expose CLKID_AO_CTS_OSCIN
  clk: meson-pll: add reduced specific clk_ops for G12A PCIe PLL
  dt-bindings: clock: meson8b: drop the "ABP" clock definition
  clk: meson: g12a: add cpu clocks
  dt-bindings: clk: g12a-clkc: add VDEC clock IDs
  dt-bindings: clock: axg-audio: unexpose controller inputs
  dt-bindings: clk: g12a-clkc: add PCIE PLL clock ID
  clk: g12a-aoclk: re-export CLKID_AO_SAR_ADC_SEL clock id
  ...

* clk-basic-be:
  clk: core: replace clk_{readl,writel} with {readl,writel}
  clk: core: remove powerpc special handling
  powerpc/512x: mark clocks as big endian
  clk: mux: add explicit big endian support
  clk: multiplier: add explicit big endian support
  clk: gate: add explicit big endian support
  clk: fractional-divider: add explicit big endian support
  clk: divider: add explicit big endian support
2019-05-07 11:44:42 -07:00
Stephen Boyd
043f44aba9 clk: highbank: Convert to CLK_IS_CRITICAL
This code is hand-rolling the CLK_IS_CRITICAL flag to keep a clk on once
it's registered. Just mark it as CLK_IS_CRITICAL instead so that the
framework can handle keeping the clk prepared and enabled for all
eternity.

Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-03-06 14:14:44 -08:00
Yangtao Li
5eb8ba9095 clk: highbank: fix refcount leak in hb_clk_init()
The of_find_compatible_node() returns a node pointer with refcount
incremented, but there is the lack of use of the of_node_put() when
done. Add the missing of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Fixes: 26cae166cf ("ARM: highbank: remove custom .init_time hook")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-12-28 11:20:48 -08:00
Stephen Boyd
8e66cc0582 clk: highbank: Migrate to clk_hw based registration and OF APIs
Now that we have clk_hw based provider APIs to register clks, we
can get rid of struct clk pointers in this driver, allowing us to
move closer to a clear split of consumer and provider clk APIs.

Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-06-30 12:25:28 -07:00
Stephen Boyd
9bd6314c2e clk: highbank: Include clk.h
This clock provider uses the consumer API, so include clk.h
explicitly.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-20 11:11:22 -07:00
Sebastian Hesselbarth
26cae166cf ARM: highbank: remove custom .init_time hook
With arch/arm calling of_clk_init(NULL) from time_init(), we can now
remove custom .init_time hooks. Highbank clock provider need a reference
to system registers, as a workaround current clk driver maps those
independent of arch code now.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
2013-09-29 21:09:29 +02:00
Linus Torvalds
8793422fd9 ACPI and power management updates for 3.9-rc1
- 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
  ...
2013-02-20 11:26:56 -08:00
Mark Langsdorf
b596470853 clk / highbank: Prevent glitches in non-bypass reset mode
The highbank clock will glitch with the current code if the
clock rate is reset without relocking the PLL. Program the PLL
correctly to prevent glitches.

Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-02-02 00:01:15 +01:00
Prashant Gaikwad
d34bcdeb43 clk: highbank: Use common of_clk_init() function
Use common of_clk_init() function for clocks initialization.

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Tested-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-01-24 11:12:46 -08:00
Rob Herring
8d4d9f5208 clk: add highbank clock support
This adds real clock support to Calxeda Highbank SOC using the common
clock infrastructure.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
[mturquette@linaro.org: fixed up invalid writes to const struct member]
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-07-11 17:58:47 -07:00