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PM / Domains: Add genpd_opp_to_performance_state()

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The OPP core currently stores the performance state in the consumer
device's OPP table, but that is going to change going forward and
performance state will rather be set directly in the genpd's OPP table.

For that we need to get the performance state for genpd's device
structure (genpd->dev) instead of the consumer device's structure. Add a
new helper to do that.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Viresh Kumar 2018-06-13 20:22:04 +05:30
parent da544b61eb
commit e38f89d310
2 changed files with 41 additions and 0 deletions
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9
include/linux/pm_domain.h
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@ -258,6 +258,8 @@ int of_genpd_add_subdomain(struct of_phandle_args *parent,
struct generic_pm_domain *of_genpd_remove_last(struct device_node *np);
int of_genpd_parse_idle_states(struct device_node *dn,
struct genpd_power_state **states, int *n);
unsigned int pm_genpd_opp_to_performance_state(struct device *genpd_dev,
struct dev_pm_opp *opp);
unsigned int of_genpd_opp_to_performance_state(struct device *dev,
struct device_node *np);
@ -299,6 +301,13 @@ static inline int of_genpd_parse_idle_states(struct device_node *dn,
return -ENODEV;
}
static inline unsigned int
pm_genpd_opp_to_performance_state(struct device *genpd_dev,
struct dev_pm_opp *opp)
{
return 0;
}
static inline unsigned int
of_genpd_opp_to_performance_state(struct device *dev,
struct device_node *np)