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Merge branch 'opp/genpd-pstate-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

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Pull Operating Performance Points (OPP) library changes for v4.18
from Viresh Kumar.

* 'opp/genpd-pstate-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  PM / OPP: Remove dev_pm_opp_{un}register_get_pstate_helper()
  PM / OPP: Get performance state using genpd helper
  PM / Domain: Implement of_genpd_opp_to_performance_state()
  PM / Domain: Add support to parse domain's OPP table
  PM / Domain: Add struct device to genpd
  PM / OPP: Implement dev_pm_opp_get_of_node()
  PM / OPP: Implement of_dev_pm_opp_find_required_opp()
  PM / OPP: Implement dev_pm_opp_of_add_table_indexed()
  PM / OPP: "opp-hz" is optional for power domains
  PM / OPP: dt-bindings: Make "opp-hz" optional for power domains
  PM / OPP: dt-bindings: Rename "required-opp" as "required-opps"
  soc/tegra: pmc: Don't allocate struct tegra_powergate on stack
This commit is contained in:
Rafael J. Wysocki 2018-05-14 23:12:48 +02:00
commit 8ad17c8eb1
10 changed files with 395 additions and 183 deletions
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13
include/linux/pm_domain.h
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@ -47,8 +47,10 @@ struct genpd_power_state {
};
struct genpd_lock_ops;
struct dev_pm_opp;
struct generic_pm_domain {
struct device dev;
struct dev_pm_domain domain; /* PM domain operations */
struct list_head gpd_list_node; /* Node in the global PM domains list */
struct list_head master_links; /* Links with PM domain as a master */
@ -67,6 +69,8 @@ struct generic_pm_domain {
unsigned int performance_state; /* Aggregated max performance state */
int (*power_off)(struct generic_pm_domain *domain);
int (*power_on)(struct generic_pm_domain *domain);
unsigned int (*opp_to_performance_state)(struct generic_pm_domain *genpd,
struct dev_pm_opp *opp);
int (*set_performance_state)(struct generic_pm_domain *genpd,
unsigned int state);
struct gpd_dev_ops dev_ops;
@ -243,6 +247,8 @@ extern int of_genpd_add_subdomain(struct of_phandle_args *parent,
extern struct generic_pm_domain *of_genpd_remove_last(struct device_node *np);
extern int of_genpd_parse_idle_states(struct device_node *dn,
struct genpd_power_state **states, int *n);
extern unsigned int of_genpd_opp_to_performance_state(struct device *dev,
struct device_node *opp_node);
int genpd_dev_pm_attach(struct device *dev);
#else /* !CONFIG_PM_GENERIC_DOMAINS_OF */
@ -278,6 +284,13 @@ static inline int of_genpd_parse_idle_states(struct device_node *dn,
return -ENODEV;
}
static inline unsigned int
of_genpd_opp_to_performance_state(struct device *dev,
struct device_node *opp_node)
{
return -ENODEV;
}
static inline int genpd_dev_pm_attach(struct device *dev)
{
return 0;