diff options
Diffstat (limited to 'drivers/opp/opp.h')
| -rw-r--r-- | drivers/opp/opp.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h index 9c6544b4f4f9..e24d81497375 100644 --- a/drivers/opp/opp.h +++ b/drivers/opp/opp.h @@ -63,6 +63,7 @@ extern struct list_head opp_tables; * @supplies: Power supplies voltage/current values * @clock_latency_ns: Latency (in nanoseconds) of switching to this OPP's * frequency from any other OPP's frequency. + * @required_opps: List of OPPs that are required by this OPP. * @opp_table: points back to the opp_table struct this opp belongs to * @np: OPP's device node. * @dentry: debugfs dentry pointer (per opp) @@ -84,6 +85,7 @@ struct dev_pm_opp { unsigned long clock_latency_ns; + struct dev_pm_opp **required_opps; struct opp_table *opp_table; struct device_node *np; @@ -133,13 +135,21 @@ enum opp_table_access { * @parsed_static_opps: True if OPPs are initialized from DT. * @shared_opp: OPP is shared between multiple devices. * @suspend_opp: Pointer to OPP to be used during device suspend. + * @genpd_virt_dev_lock: Mutex protecting the genpd virtual device pointers. + * @genpd_virt_devs: List of virtual devices for multiple genpd support. + * @required_opp_tables: List of device OPP tables that are required by OPPs in + * this table. + * @required_opp_count: Number of required devices. * @supported_hw: Array of version number to support. * @supported_hw_count: Number of elements in supported_hw array. * @prop_name: A name to postfix to many DT properties, while parsing them. * @clk: Device's clock handle * @regulators: Supply regulators - * @regulator_count: Number of power supply regulators + * @regulator_count: Number of power supply regulators. Its value can be -1 + * (uninitialized), 0 (no opp-microvolt property) or > 0 (has opp-microvolt + * property). * @genpd_performance_state: Device's power domain support performance state. + * @is_genpd: Marks if the OPP table belongs to a genpd. * @set_opp: Platform specific set_opp callback * @set_opp_data: Data to be passed to set_opp callback * @dentry: debugfs dentry pointer of the real device directory (not links). @@ -171,13 +181,19 @@ struct opp_table { enum opp_table_access shared_opp; struct dev_pm_opp *suspend_opp; + struct mutex genpd_virt_dev_lock; + struct device **genpd_virt_devs; + struct opp_table **required_opp_tables; + unsigned int required_opp_count; + unsigned int *supported_hw; unsigned int supported_hw_count; const char *prop_name; struct clk *clk; struct regulator **regulators; - unsigned int regulator_count; + int regulator_count; bool genpd_performance_state; + bool is_genpd; int (*set_opp)(struct dev_pm_set_opp_data *data); struct dev_pm_set_opp_data *set_opp_data; @@ -206,10 +222,16 @@ void _put_opp_list_kref(struct opp_table *opp_table); #ifdef CONFIG_OF void _of_init_opp_table(struct opp_table *opp_table, struct device *dev, int index); +void _of_clear_opp_table(struct opp_table *opp_table); struct opp_table *_managed_opp(struct device *dev, int index); +void _of_opp_free_required_opps(struct opp_table *opp_table, + struct dev_pm_opp *opp); #else static inline void _of_init_opp_table(struct opp_table *opp_table, struct device *dev, int index) {} +static inline void _of_clear_opp_table(struct opp_table *opp_table) {} static inline struct opp_table *_managed_opp(struct device *dev, int index) { return NULL; } +static inline void _of_opp_free_required_opps(struct opp_table *opp_table, + struct dev_pm_opp *opp) {} #endif #ifdef CONFIG_DEBUG_FS |