Merge tag 'opp-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

Merge OPP (operating performance points) updates for 6.7 from Viresh
Kumar:

"- Extend support for the opp-level beyond required-opps (Ulf Hansson).

 - Add dev_pm_opp_find_level_floor() (Krishna chaitanya chundru).

 - dt-bindings: Allow opp-peak-kBpsfor kryo CPUs, support Qualcomm Krait
   SoCs and document named opp-microvolt property (Bjorn Andersson,
   Dmitry Baryshkov and Christian Marangi).

 - Fix -Wunsequenced warning (Nathan Chancellor).

 - General cleanup (Viresh Kumar)."

* tag 'opp-updates-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  dt-bindings: opp: opp-v2-kryo-cpu: Document named opp-microvolt property
  OPP: No need to defer probe from _opp_attach_genpd()
  OPP: Remove genpd_virt_dev_lock
  OPP: Reorder code in _opp_set_required_opps_genpd()
  OPP: Add _link_required_opps() to avoid code duplication
  OPP: Fix formatting of if/else block
  dt-bindings: opp: opp-v2-kryo-cpu: support Qualcomm Krait SoCs
  OPP: Fix -Wunsequenced in _of_add_opp_table_v1()
  dt-bindings: opp: opp-v2-kryo-cpu: Allow opp-peak-kBps
  OPP: debugfs: Fix warning with W=1 builds
  OPP: Remove doc style comments for internal routines
  OPP: Add dev_pm_opp_find_level_floor()
  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()

3 files changed, 44 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 f776fb93eaa0..bda2964a0a56 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -430,6 +430,7 @@ 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)
 {
@@ -452,6 +453,11 @@ 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..ccd97bcef269 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);
@@ -144,6 +156,9 @@ struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
 struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
 					      unsigned int *level);
 
+struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
+					       unsigned long *level);
+
 struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
 					   unsigned int *bw, int index);
 
@@ -152,8 +167,8 @@ 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);
 
@@ -308,6 +323,12 @@ static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
 	return ERR_PTR(-EOPNOTSUPP);
 }
 
+static inline struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
+							     unsigned long *level)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
 static inline struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
 					unsigned int *bw, int index)
 {
@@ -322,8 +343,8 @@ 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 +540,17 @@ 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[])