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Merge branch 'pm-opp'

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* pm-opp:
  PM / OPP: Drop unlikely before IS_ERR(_OR_NULL)
  PM / OPP: Fix static checker warning (broken 64bit big endian systems)
  PM / OPP: Free resources and properly return error on failure
  cpufreq-dt: make scaling_boost_freqs sysfs attr available when boost is enabled
  cpufreq: dt: Add support for turbo/boost mode
  cpufreq: dt: Add support for operating-points-v2 bindings
  cpufreq: Allow drivers to enable boost support after registering driver
  cpufreq: Update boost flag while initializing freq table from OPPs
  PM / OPP: add dev_pm_opp_is_turbo() helper
  PM / OPP: Add helpers for initializing CPU OPPs
  PM / OPP: Add support for opp-suspend
  PM / OPP: Add OPP sharing information to OPP library
  PM / OPP: Add clock-latency-ns support
  PM / OPP: Add support to parse "operating-points-v2" bindings
  PM / OPP: Break _opp_add_dynamic() into smaller functions
  PM / OPP: Allocate dev_opp from _add_device_opp()
  PM / OPP: Create _remove_device_opp() for freeing dev_opp
  PM / OPP: Relocate few routines
  PM / OPP: Create a directory for opp bindings
  PM / OPP: Update bindings to make opp-hz a 64 bit value
This commit is contained in:
Rafael J. Wysocki 2015-09-01 15:52:41 +02:00
commit ac2a29c8a4
8 changed files with 1048 additions and 260 deletions
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13
include/linux/cpufreq.h
View file

@ -575,6 +575,8 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf);
int cpufreq_boost_trigger_state(int state);
int cpufreq_boost_supported(void);
int cpufreq_boost_enabled(void);
int cpufreq_enable_boost_support(void);
bool policy_has_boost_freq(struct cpufreq_policy *policy);
#else
static inline int cpufreq_boost_trigger_state(int state)
{
@ -588,12 +590,23 @@ static inline int cpufreq_boost_enabled(void)
{
return 0;
}
static inline int cpufreq_enable_boost_support(void)
{
return -EINVAL;
}
static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
{
return false;
}
#endif
/* the following funtion is for cpufreq core use only */
struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu);
/* the following are really really optional */
extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
extern struct freq_attr *cpufreq_generic_attr[];
int cpufreq_table_validate_and_show(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table);

36
include/linux/pm_opp.h
View file

@ -30,7 +30,10 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
int dev_pm_opp_get_opp_count(struct device *dev);
unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq,
@ -62,11 +65,21 @@ static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
return 0;
}
static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
{
return false;
}
static inline int dev_pm_opp_get_opp_count(struct device *dev)
{
return 0;
}
static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
{
return 0;
}
static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq, bool available)
{
@ -115,6 +128,10 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier(
#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
int of_init_opp_table(struct device *dev);
void of_free_opp_table(struct device *dev);
int of_cpumask_init_opp_table(cpumask_var_t cpumask);
void of_cpumask_free_opp_table(cpumask_var_t cpumask);
int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask);
int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask);
#else
static inline int of_init_opp_table(struct device *dev)
{
@ -124,6 +141,25 @@ static inline int of_init_opp_table(struct device *dev)
static inline void of_free_opp_table(struct device *dev)
{
}
static inline int of_cpumask_init_opp_table(cpumask_var_t cpumask)
{
return -ENOSYS;
}
static inline void of_cpumask_free_opp_table(cpumask_var_t cpumask)
{
}
static inline int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask)
{
return -ENOSYS;
}
static inline int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask)
{
return -ENOSYS;
}
#endif
#endif /* __LINUX_OPP_H__ */