diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-01-09 11:53:50 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-01-17 22:15:20 +0100 |
| commit | 3b7357663a47092576c2802dd1dc74d35c8c8721 (patch) | |
| tree | f91419c3fbb9589e945b2831e981e013f66c483a /Documentation/cpuidle/driver.txt | |
| parent | cpuidle: New timer events oriented governor for tickless systems (diff) | |
| download | linux-3b7357663a47092576c2802dd1dc74d35c8c8721.tar.xz linux-3b7357663a47092576c2802dd1dc74d35c8c8721.zip | |
Documentation: driver-api: PM: Add cpuidle document
Replace the remaining documents under Documentation/cpuidle/
with one more complete governor and driver API document for cpuidle
under Documentation/driver-api/pm/.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/cpuidle/driver.txt')
| -rw-r--r-- | Documentation/cpuidle/driver.txt | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/Documentation/cpuidle/driver.txt b/Documentation/cpuidle/driver.txt deleted file mode 100644 index 1b0d81d92583..000000000000 --- a/Documentation/cpuidle/driver.txt +++ /dev/null @@ -1,37 +0,0 @@ - - - Supporting multiple CPU idle levels in kernel - - cpuidle drivers - - - - -cpuidle driver hooks into the cpuidle infrastructure and handles the -architecture/platform dependent part of CPU idle states. Driver -provides the platform idle state detection capability and also -has mechanisms in place to support actual entry-exit into CPU idle states. - -cpuidle driver initializes the cpuidle_device structure for each CPU device -and registers with cpuidle using cpuidle_register_device. - -If all the idle states are the same, the wrapper function cpuidle_register -could be used instead. - -It can also support the dynamic changes (like battery <-> AC), by using -cpuidle_pause_and_lock, cpuidle_disable_device and cpuidle_enable_device, -cpuidle_resume_and_unlock. - -Interfaces: -extern int cpuidle_register(struct cpuidle_driver *drv, - const struct cpumask *const coupled_cpus); -extern int cpuidle_unregister(struct cpuidle_driver *drv); -extern int cpuidle_register_driver(struct cpuidle_driver *drv); -extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); -extern int cpuidle_register_device(struct cpuidle_device *dev); -extern void cpuidle_unregister_device(struct cpuidle_device *dev); - -extern void cpuidle_pause_and_lock(void); -extern void cpuidle_resume_and_unlock(void); -extern int cpuidle_enable_device(struct cpuidle_device *dev); -extern void cpuidle_disable_device(struct cpuidle_device *dev); |