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opp: Add dev_pm_opp_sync_regulators()

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Extend OPP API with dev_pm_opp_sync_regulators() function, which syncs
voltage state of regulators.

Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[ Viresh: Added unlikely() ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Dmitry Osipenko 2021-01-21 01:26:47 +03:00 • committed by Viresh Kumar
parent 597ff5431f
commit ce8073d83f
2 changed files with 47 additions and 0 deletions
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6
include/linux/pm_opp.h
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@ -161,6 +161,7 @@ int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cp
int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
void dev_pm_opp_remove_table(struct device *dev);
void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
int dev_pm_opp_sync_regulators(struct device *dev);
#else
static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
{
@ -384,6 +385,11 @@ static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask
{
}
static inline int dev_pm_opp_sync_regulators(struct device *dev)
{
return -ENOTSUPP;
}
#endif /* CONFIG_PM_OPP */
#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)