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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-07-18 09:49:30 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-07-18 09:49:30 +0200 |
| commit | 918e162e6a71e924a343b41f71789ad14e1e3229 (patch) | |
| tree | fe26a3ee0f78ac652fed532c4986af7469c71859 /Documentation | |
| parent | 8da04e05cdfc715d414a1c5f8318c03030eb68fb (diff) | |
| parent | c4dcc8a162784c1f827c7f6d8409598f19708fe6 (diff) | |
Merge branch 'pm-cpufreq'
* pm-cpufreq:
cpufreq: Make cpufreq_generic_init() return void
cpufreq: imx-cpufreq-dt: Add i.MX8MN support
cpufreq: Add QoS requests for userspace constraints
cpufreq: intel_pstate: Reuse refresh_frequency_limits()
cpufreq: Register notifiers with the PM QoS framework
PM / QoS: Add support for MIN/MAX frequency constraints
PM / QOS: Pass request type to dev_pm_qos_read_value()
PM / QOS: Rename __dev_pm_qos_read_value() and dev_pm_qos_raw_read_value()
PM / QOS: Pass request type to dev_pm_qos_{add|remove}_notifier()
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/power/pm_qos_interface.txt | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/Documentation/power/pm_qos_interface.txt b/Documentation/power/pm_qos_interface.txt index 19c5f7b1a7ba..cfcb1df39799 100644 --- a/Documentation/power/pm_qos_interface.txt +++ b/Documentation/power/pm_qos_interface.txt @@ -123,7 +123,7 @@ Will remove the element. After removal it will update the aggregate target and call the notification trees if the target was changed as a result of removing the request. -s32 dev_pm_qos_read_value(device): +s32 dev_pm_qos_read_value(device, type): Returns the aggregated value for a given device's constraints list. enum pm_qos_flags_status dev_pm_qos_flags(device, mask) @@ -164,12 +164,14 @@ directory. Notification mechanisms: The per-device PM QoS framework has a per-device notification tree. -int dev_pm_qos_add_notifier(device, notifier): -Adds a notification callback function for the device. +int dev_pm_qos_add_notifier(device, notifier, type): +Adds a notification callback function for the device for a particular request +type. + The callback is called when the aggregated value of the device constraints list -is changed (for resume latency device PM QoS only). +is changed. -int dev_pm_qos_remove_notifier(device, notifier): +int dev_pm_qos_remove_notifier(device, notifier, type): Removes the notification callback function for the device. |