mirror of https://gitee.com/openkylin/linux.git
cpufreq: Fix up several kerneldoc comments
Fix up the remaining kerneldoc comments that don't adhere to the expected format and clarify some of them a bit. No functional changes. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Rafael J. Wysocki
parent
7854c7520b
commit
ec06e586ab
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@ -298,8 +298,10 @@ struct cpufreq_policy *cpufreq_cpu_acquire(unsigned int cpu)
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* EXTERNALLY AFFECTING FREQUENCY CHANGES *
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*********************************************************************/
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/*
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* adjust_jiffies - adjust the system "loops_per_jiffy"
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/**
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* adjust_jiffies - Adjust the system "loops_per_jiffy".
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* @val: CPUFREQ_PRECHANGE or CPUFREQ_POSTCHANGE.
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* @ci: Frequency change information.
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*
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* This function alters the system "loops_per_jiffy" for the clock
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* speed change. Note that loops_per_jiffy cannot be updated on SMP
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@ -331,14 +333,14 @@ static void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci)
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}
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/**
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* cpufreq_notify_transition - Notify frequency transition and adjust_jiffies.
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* cpufreq_notify_transition - Notify frequency transition and adjust jiffies.
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* @policy: cpufreq policy to enable fast frequency switching for.
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* @freqs: contain details of the frequency update.
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* @state: set to CPUFREQ_PRECHANGE or CPUFREQ_POSTCHANGE.
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*
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* This function calls the transition notifiers and the "adjust_jiffies"
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* function. It is called twice on all CPU frequency changes that have
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* external effects.
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* This function calls the transition notifiers and adjust_jiffies().
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*
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* It is called twice on all CPU frequency changes that have external effects.
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*/
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static void cpufreq_notify_transition(struct cpufreq_policy *policy,
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struct cpufreq_freqs *freqs,
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@ -1646,13 +1648,12 @@ static void cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
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}
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/**
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* cpufreq_out_of_sync - If actual and saved CPU frequency differs, we're
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* in deep trouble.
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* @policy: policy managing CPUs
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* @new_freq: CPU frequency the CPU actually runs at
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* cpufreq_out_of_sync - Fix up actual and saved CPU frequency difference.
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* @policy: Policy managing CPUs.
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* @new_freq: New CPU frequency.
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*
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* We adjust to current frequency first, and need to clean up later.
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* So either call to cpufreq_update_policy() or schedule handle_update()).
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* Adjust to the current frequency first and clean up later by either calling
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* cpufreq_update_policy(), or scheduling handle_update().
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*/
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static void cpufreq_out_of_sync(struct cpufreq_policy *policy,
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unsigned int new_freq)
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@ -1832,7 +1833,7 @@ int cpufreq_generic_suspend(struct cpufreq_policy *policy)
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EXPORT_SYMBOL(cpufreq_generic_suspend);
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/**
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* cpufreq_suspend() - Suspend CPUFreq governors
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* cpufreq_suspend() - Suspend CPUFreq governors.
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*
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* Called during system wide Suspend/Hibernate cycles for suspending governors
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* as some platforms can't change frequency after this point in suspend cycle.
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@ -1868,7 +1869,7 @@ void cpufreq_suspend(void)
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}
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/**
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* cpufreq_resume() - Resume CPUFreq governors
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* cpufreq_resume() - Resume CPUFreq governors.
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*
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* Called during system wide Suspend/Hibernate cycle for resuming governors that
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* are suspended with cpufreq_suspend().
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@ -1920,10 +1921,10 @@ bool cpufreq_driver_test_flags(u16 flags)
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}
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/**
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* cpufreq_get_current_driver - return current driver's name
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* cpufreq_get_current_driver - Return the current driver's name.
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*
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* Return the name string of the currently loaded cpufreq driver
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* or NULL, if none.
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* Return the name string of the currently registered cpufreq driver or NULL if
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* none.
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*/
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const char *cpufreq_get_current_driver(void)
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{
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@ -1935,10 +1936,10 @@ const char *cpufreq_get_current_driver(void)
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EXPORT_SYMBOL_GPL(cpufreq_get_current_driver);
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/**
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* cpufreq_get_driver_data - return current driver data
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* cpufreq_get_driver_data - Return current driver data.
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*
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* Return the private data of the currently loaded cpufreq
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* driver, or NULL if no cpufreq driver is loaded.
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* Return the private data of the currently registered cpufreq driver, or NULL
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* if no cpufreq driver has been registered.
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*/
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void *cpufreq_get_driver_data(void)
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{
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@ -1954,17 +1955,16 @@ EXPORT_SYMBOL_GPL(cpufreq_get_driver_data);
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*********************************************************************/
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/**
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* cpufreq_register_notifier - register a driver with cpufreq
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* @nb: notifier function to register
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* @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER
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* cpufreq_register_notifier - Register a notifier with cpufreq.
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* @nb: notifier function to register.
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* @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER.
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*
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* Add a driver to one of two lists: either a list of drivers that
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* are notified about clock rate changes (once before and once after
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* the transition), or a list of drivers that are notified about
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* changes in cpufreq policy.
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* Add a notifier to one of two lists: either a list of notifiers that run on
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* clock rate changes (once before and once after every transition), or a list
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* of notifiers that ron on cpufreq policy changes.
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*
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* This function may sleep, and has the same return conditions as
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* blocking_notifier_chain_register.
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* This function may sleep and it has the same return values as
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* blocking_notifier_chain_register().
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*/
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int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list)
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{
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@ -2001,14 +2001,14 @@ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list)
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EXPORT_SYMBOL(cpufreq_register_notifier);
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/**
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* cpufreq_unregister_notifier - unregister a driver with cpufreq
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* @nb: notifier block to be unregistered
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* @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER
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* cpufreq_unregister_notifier - Unregister a notifier from cpufreq.
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* @nb: notifier block to be unregistered.
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* @list: CPUFREQ_TRANSITION_NOTIFIER or CPUFREQ_POLICY_NOTIFIER.
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*
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* Remove a driver from the CPU frequency notifier list.
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* Remove a notifier from one of the cpufreq notifier lists.
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*
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* This function may sleep, and has the same return conditions as
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* blocking_notifier_chain_unregister.
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* This function may sleep and it has the same return values as
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* blocking_notifier_chain_unregister().
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*/
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int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list)
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{
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