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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-12-07 22:13:36 (GMT) |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2012-12-07 22:13:36 (GMT) |
commit | bf58cdffac931ff387c657395742a737837b93ca (patch) | |
tree | 8e5a16a2ece40502f700212220c23c866470d2ff /Documentation/ABI | |
parent | 6b728f1a906976ec658827adc9c2d27608aa8517 (diff) | |
parent | 6dcdd8e3cadd8dfcfe63d231631d70e2670970f9 (diff) | |
download | linux-fsl-qoriq-bf58cdffac931ff387c657395742a737837b93ca.tar.xz |
Merge branch 'pm-devfreq'
* pm-devfreq: (23 commits)
PM / devfreq: remove compiler error with module governors (2)
PM / devfreq: Fix return value in devfreq_remove_governor()
PM / devfreq: Fix incorrect argument in error message
PM / devfreq: missing rcu_read_lock() added for find_device_opp()
PM / devfreq: remove compiler error when a governor is module
PM / devfreq: exynos4_bus.c: Fixed an alignment of the func call args.
PM / devfreq: Add sysfs node to expose available governors
PM / devfreq: allow sysfs governor node to switch governor
PM / devfreq: governors: add GPL module license and allow module build
PM / devfreq: map devfreq drivers to governor using name
PM / devfreq: register governors with devfreq framework
PM / devfreq: provide hooks for governors to be registered
PM / devfreq: export update_devfreq
PM / devfreq: Add sysfs node for representing frequency transition information.
PM / devfreq: Add sysfs node to expose available frequencies
PM / devfreq: documentation cleanups for devfreq header
PM / devfreq: Use devm_* functions in exynos4_bus.c
PM / devfreq: make devfreq_class static
PM / devfreq: fix sscanf handling for writable sysfs entries
PM / devfreq: kernel-doc typo corrections
...
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/testing/sysfs-class-devfreq | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq index 23d78b5..0ba6ea2 100644 --- a/Documentation/ABI/testing/sysfs-class-devfreq +++ b/Documentation/ABI/testing/sysfs-class-devfreq @@ -11,7 +11,7 @@ What: /sys/class/devfreq/.../governor Date: September 2011 Contact: MyungJoo Ham <myungjoo.ham@samsung.com> Description: - The /sys/class/devfreq/.../governor shows the name of the + The /sys/class/devfreq/.../governor show or set the name of the governor used by the corresponding devfreq object. What: /sys/class/devfreq/.../cur_freq @@ -19,15 +19,16 @@ Date: September 2011 Contact: MyungJoo Ham <myungjoo.ham@samsung.com> Description: The /sys/class/devfreq/.../cur_freq shows the current - frequency of the corresponding devfreq object. + frequency of the corresponding devfreq object. Same as + target_freq when get_cur_freq() is not implemented by + devfreq driver. -What: /sys/class/devfreq/.../central_polling -Date: September 2011 -Contact: MyungJoo Ham <myungjoo.ham@samsung.com> +What: /sys/class/devfreq/.../target_freq +Date: September 2012 +Contact: Rajagopal Venkat <rajagopal.venkat@linaro.org> Description: - The /sys/class/devfreq/.../central_polling shows whether - the devfreq ojbect is using devfreq-provided central - polling mechanism or not. + The /sys/class/devfreq/.../target_freq shows the next governor + predicted target frequency of the corresponding devfreq object. What: /sys/class/devfreq/.../polling_interval Date: September 2011 @@ -43,6 +44,17 @@ Description: (/sys/class/devfreq/.../central_polling is 0), this value may be useless. +What: /sys/class/devfreq/.../trans_stat +Date: October 2012 +Contact: MyungJoo Ham <myungjoo.ham@samsung.com> +Descrtiption: + This ABI shows the statistics of devfreq behavior on a + specific device. It shows the time spent in each state and + the number of transitions between states. + In order to activate this ABI, the devfreq target device + driver should provide the list of available frequencies + with its profile. + What: /sys/class/devfreq/.../userspace/set_freq Date: September 2011 Contact: MyungJoo Ham <myungjoo.ham@samsung.com> @@ -50,3 +62,19 @@ Description: The /sys/class/devfreq/.../userspace/set_freq shows and sets the requested frequency for the devfreq object if userspace governor is in effect. + +What: /sys/class/devfreq/.../available_frequencies +Date: October 2012 +Contact: Nishanth Menon <nm@ti.com> +Description: + The /sys/class/devfreq/.../available_frequencies shows + the available frequencies of the corresponding devfreq object. + This is a snapshot of available frequencies and not limited + by the min/max frequency restrictions. + +What: /sys/class/devfreq/.../available_governors +Date: October 2012 +Contact: Nishanth Menon <nm@ti.com> +Description: + The /sys/class/devfreq/.../available_governors shows + currently available governors in the system. |