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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-01-27 11:30:38 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-01-27 11:30:38 +0100 |
| commit | c102671af085aacf17219e9bdcfccddc6620a866 (patch) | |
| tree | a980bb7601c73a0e21fe418660b3d1e60f0b3e88 /Documentation/ABI/testing | |
| parent | c95d9c140cea04bb052bd853eee24d0020734d9d (diff) | |
| parent | 854e334903dfed8eae58c7ddc43945e3885c4bfb (diff) | |
Merge branch 'pm-devfreq'
* pm-devfreq: (24 commits)
PM / devfreq: Add debugfs support with devfreq_summary file
PM / devfreq: exynos: Rename Exynos to lowercase
PM / devfreq: imx8m-ddrc: Fix inconsistent IS_ERR and PTR_ERR
PM / devfreq: exynos-bus: Add error log when fail to get devfreq-event
PM / devfreq: exynos-bus: Disable devfreq-event device when fails
PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
PM / devfreq: imx8m-ddrc: Remove unused defines
PM / devfreq: exynos-bus: Reduce goto statements and remove unused headers
PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
PM / devfreq: rockchip-dfi: Convert to devm_platform_ioremap_resource
PM / devfreq: rk3399_dmc: Add missing of_node_put()
PM / devfreq: rockchip-dfi: Add missing of_node_put()
PM / devfreq: Fix multiple kernel-doc warnings
PM / devfreq: exynos-bus: Extract exynos_bus_profile_init_passive()
PM / devfreq: exynos-bus: Extract exynos_bus_profile_init()
PM / devfreq: Move declaration of DEVICE_ATTR_RW(min_freq)
PM / devfreq: Move statistics to separate struct devfreq_stats
PM / devfreq: Add clearing transitions stats
PM / devfreq: Change time stats to 64-bit
PM / devfreq: Add new name attribute for sysfs
...
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-devfreq | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq index 01196e19afca..9758eb85ade3 100644 --- a/Documentation/ABI/testing/sysfs-class-devfreq +++ b/Documentation/ABI/testing/sysfs-class-devfreq @@ -7,6 +7,13 @@ Description: The name of devfreq object denoted as ... is same as the name of device using devfreq. +What: /sys/class/devfreq/.../name +Date: November 2019 +Contact: Chanwoo Choi <cw00.choi@samsung.com> +Description: + The /sys/class/devfreq/.../name shows the name of device + of the corresponding devfreq object. + What: /sys/class/devfreq/.../governor Date: September 2011 Contact: MyungJoo Ham <myungjoo.ham@samsung.com> @@ -48,12 +55,15 @@ What: /sys/class/devfreq/.../trans_stat Date: October 2012 Contact: MyungJoo Ham <myungjoo.ham@samsung.com> Description: - 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. + This ABI shows or clears 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. + with its profile. If need to reset the statistics of devfreq + behavior on a specific device, enter 0(zero) to 'trans_stat' + as following: + echo 0 > /sys/class/devfreq/.../trans_stat What: /sys/class/devfreq/.../userspace/set_freq Date: September 2011 |