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authorSudeep Holla <[email protected]>2023-10-06 09:40:10 +0100
committerSudeep Holla <[email protected]>2023-10-06 09:40:10 +0100
commit0a30c0e9ca293a6680b1a124684cf80c142b1fa0 (patch)
tree13164e8813405e625155bd63b2d038e8c55a40e4 /include/linux
parent8b6022be4c6e3e0d37c3e1378c9ff0a2c8717b09 (diff)
parent0025ff64ffcf6bd6ece5484e7818401f77bf115f (diff)
Merge branch 'opp/pm-domain-scmi' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into for-next/scmi/updates
This is the merge of immutable point in PM OPP tree shared with SCMI so that the SCMI changes based on these OPP changes can be merged via the SCMI tree. * 'opp/pm-domain-scmi' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: OPP: Extend support for the opp-level beyond required-opps OPP: Switch to use dev_pm_domain_set_performance_state() OPP: Extend dev_pm_opp_data with a level OPP: Add dev_pm_opp_add_dynamic() to allow more flexibility PM: domains: Implement the ->set_performance_state() callback for genpd PM: domains: Introduce dev_pm_domain_set_performance_state()
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/pm.h2
-rw-r--r--include/linux/pm_domain.h6
-rw-r--r--include/linux/pm_opp.h31
3 files changed, 35 insertions, 4 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 1400c37b29c7..4c9f571609c8 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -719,6 +719,7 @@ extern void dev_pm_put_subsys_data(struct device *dev);
* @activate: Called before executing probe routines for bus types and drivers.
* @sync: Called after successful driver probe.
* @dismiss: Called after unsuccessful driver probe and after driver removal.
+ * @set_performance_state: Called to request a new performance state.
*
* Power domains provide callbacks that are executed during system suspend,
* hibernation, system resume and during runtime PM transitions instead of
@@ -731,6 +732,7 @@ struct dev_pm_domain {
int (*activate)(struct device *dev);
void (*sync)(struct device *dev);
void (*dismiss)(struct device *dev);
+ int (*set_performance_state)(struct device *dev, unsigned int state);
};
/*
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 05ad8cefdff1..34663d0d5c55 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -435,6 +435,7 @@ struct device *dev_pm_domain_attach_by_name(struct device *dev,
void dev_pm_domain_detach(struct device *dev, bool power_off);
int dev_pm_domain_start(struct device *dev);
void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd);
+int dev_pm_domain_set_performance_state(struct device *dev, unsigned int state);
#else
static inline int dev_pm_domain_attach(struct device *dev, bool power_on)
{
@@ -457,6 +458,11 @@ static inline int dev_pm_domain_start(struct device *dev)
}
static inline void dev_pm_domain_set(struct device *dev,
struct dev_pm_domain *pd) {}
+static inline int dev_pm_domain_set_performance_state(struct device *dev,
+ unsigned int state)
+{
+ return 0;
+}
#endif
#endif /* _LINUX_PM_DOMAIN_H */
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 91f87d7e807c..9ad168f4cbf1 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -92,6 +92,18 @@ struct dev_pm_opp_config {
struct device ***virt_devs;
};
+/**
+ * struct dev_pm_opp_data - The data to use to initialize an OPP.
+ * @level: The performance level for the OPP.
+ * @freq: The clock rate in Hz for the OPP.
+ * @u_volt: The voltage in uV for the OPP.
+ */
+struct dev_pm_opp_data {
+ unsigned int level;
+ unsigned long freq;
+ unsigned long u_volt;
+};
+
#if defined(CONFIG_PM_OPP)
struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
@@ -152,8 +164,8 @@ struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
void dev_pm_opp_put(struct dev_pm_opp *opp);
-int dev_pm_opp_add(struct device *dev, unsigned long freq,
- unsigned long u_volt);
+int dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp);
+
void dev_pm_opp_remove(struct device *dev, unsigned long freq);
void dev_pm_opp_remove_all_dynamic(struct device *dev);
@@ -322,8 +334,8 @@ static inline struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
-static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
- unsigned long u_volt)
+static inline int
+dev_pm_opp_add_dynamic(struct device *dev, struct dev_pm_opp_data *opp)
{
return -EOPNOTSUPP;
}
@@ -519,6 +531,17 @@ static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_ta
/* OPP Configuration helpers */
+static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
+ unsigned long u_volt)
+{
+ struct dev_pm_opp_data data = {
+ .freq = freq,
+ .u_volt = u_volt,
+ };
+
+ return dev_pm_opp_add_dynamic(dev, &data);
+}
+
/* Regulators helpers */
static inline int dev_pm_opp_set_regulators(struct device *dev,
const char * const names[])