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22079af7df
Reorder the helpers to keep all freq specific ones, followed by level and bw. No functional change. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
568 lines
16 KiB
C
568 lines
16 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Generic OPP Interface
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*
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* Copyright (C) 2009-2010 Texas Instruments Incorporated.
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* Nishanth Menon
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* Romit Dasgupta
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* Kevin Hilman
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*/
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#ifndef __LINUX_OPP_H__
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#define __LINUX_OPP_H__
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#include <linux/energy_model.h>
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#include <linux/err.h>
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#include <linux/notifier.h>
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struct clk;
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struct regulator;
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struct dev_pm_opp;
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struct device;
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struct opp_table;
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enum dev_pm_opp_event {
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OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
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OPP_EVENT_ADJUST_VOLTAGE,
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};
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/**
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* struct dev_pm_opp_supply - Power supply voltage/current values
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* @u_volt: Target voltage in microvolts corresponding to this OPP
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* @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
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* @u_volt_max: Maximum voltage in microvolts corresponding to this OPP
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* @u_amp: Maximum current drawn by the device in microamperes
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* @u_watt: Power used by the device in microwatts
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*
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* This structure stores the voltage/current/power values for a single power
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* supply.
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*/
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struct dev_pm_opp_supply {
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unsigned long u_volt;
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unsigned long u_volt_min;
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unsigned long u_volt_max;
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unsigned long u_amp;
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unsigned long u_watt;
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};
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/**
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* struct dev_pm_opp_icc_bw - Interconnect bandwidth values
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* @avg: Average bandwidth corresponding to this OPP (in icc units)
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* @peak: Peak bandwidth corresponding to this OPP (in icc units)
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*
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* This structure stores the bandwidth values for a single interconnect path.
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*/
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struct dev_pm_opp_icc_bw {
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u32 avg;
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u32 peak;
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};
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/**
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* struct dev_pm_opp_info - OPP freq/voltage/current values
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* @rate: Target clk rate in hz
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* @supplies: Array of voltage/current values for all power supplies
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*
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* This structure stores the freq/voltage/current values for a single OPP.
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*/
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struct dev_pm_opp_info {
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unsigned long rate;
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struct dev_pm_opp_supply *supplies;
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};
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/**
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* struct dev_pm_set_opp_data - Set OPP data
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* @old_opp: Old OPP info
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* @new_opp: New OPP info
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* @regulators: Array of regulator pointers
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* @regulator_count: Number of regulators
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* @clk: Pointer to clk
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* @dev: Pointer to the struct device
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*
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* This structure contains all information required for setting an OPP.
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*/
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struct dev_pm_set_opp_data {
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struct dev_pm_opp_info old_opp;
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struct dev_pm_opp_info new_opp;
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struct regulator **regulators;
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unsigned int regulator_count;
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struct clk *clk;
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struct device *dev;
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};
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#if defined(CONFIG_PM_OPP)
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struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
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void dev_pm_opp_put_opp_table(struct opp_table *opp_table);
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unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
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unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp);
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unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
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unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp);
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unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
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unsigned int index);
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bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
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int dev_pm_opp_get_opp_count(struct device *dev);
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unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
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unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
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unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
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unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev);
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struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
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unsigned long freq,
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bool available);
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struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
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unsigned long *freq);
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struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev,
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unsigned long u_volt);
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struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
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unsigned int level);
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struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
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unsigned int *level);
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struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
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unsigned long *freq);
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struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
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unsigned int *bw, int index);
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struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
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unsigned int *bw, int index);
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void dev_pm_opp_put(struct dev_pm_opp *opp);
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int dev_pm_opp_add(struct device *dev, unsigned long freq,
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unsigned long u_volt);
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void dev_pm_opp_remove(struct device *dev, unsigned long freq);
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void dev_pm_opp_remove_all_dynamic(struct device *dev);
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int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
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unsigned long u_volt, unsigned long u_volt_min,
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unsigned long u_volt_max);
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int dev_pm_opp_enable(struct device *dev, unsigned long freq);
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int dev_pm_opp_disable(struct device *dev, unsigned long freq);
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int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb);
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int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb);
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struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
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void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
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int devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
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struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name);
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void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
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struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
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void dev_pm_opp_put_regulators(struct opp_table *opp_table);
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int devm_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
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struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name);
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void dev_pm_opp_put_clkname(struct opp_table *opp_table);
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int devm_pm_opp_set_clkname(struct device *dev, const char *name);
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struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
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void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
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int devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
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struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs);
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void dev_pm_opp_detach_genpd(struct opp_table *opp_table);
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int devm_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs);
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struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, struct opp_table *dst_table, struct dev_pm_opp *src_opp);
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int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
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int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
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int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp);
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int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
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int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
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void dev_pm_opp_remove_table(struct device *dev);
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void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
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int dev_pm_opp_sync_regulators(struct device *dev);
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#else
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static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}
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static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_power(struct dev_pm_opp *opp)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
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{
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return 0;
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}
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static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
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{
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return 0;
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}
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static inline
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unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
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unsigned int index)
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{
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return 0;
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}
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static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
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{
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return false;
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}
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static inline int dev_pm_opp_get_opp_count(struct device *dev)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
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{
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return 0;
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}
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static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
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{
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return 0;
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev,
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unsigned int level)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
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unsigned int *level)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
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unsigned long freq, bool available)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
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unsigned long *freq)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev,
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unsigned long u_volt)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
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unsigned long *freq)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
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unsigned int *bw, int index)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev,
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unsigned int *bw, int index)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
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static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
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unsigned long u_volt)
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{
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return -EOPNOTSUPP;
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}
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static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
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{
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}
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static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
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{
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}
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static inline int
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dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
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unsigned long u_volt, unsigned long u_volt_min,
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unsigned long u_volt_max)
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{
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return 0;
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}
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static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
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{
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return 0;
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}
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static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
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{
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return 0;
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}
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static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
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{
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return -EOPNOTSUPP;
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}
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static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb)
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{
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return -EOPNOTSUPP;
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}
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static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
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const u32 *versions,
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unsigned int count)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}
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static inline int devm_pm_opp_set_supported_hw(struct device *dev,
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const u32 *versions,
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unsigned int count)
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{
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return -EOPNOTSUPP;
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}
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static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev,
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int (*set_opp)(struct dev_pm_set_opp_data *data))
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}
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static inline int devm_pm_opp_register_set_opp_helper(struct device *dev,
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int (*set_opp)(struct dev_pm_set_opp_data *data))
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{
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return -EOPNOTSUPP;
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}
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static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {}
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static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}
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static inline int devm_pm_opp_set_regulators(struct device *dev,
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const char * const names[],
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unsigned int count)
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{
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return -EOPNOTSUPP;
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}
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static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {}
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static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name)
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{
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return -EOPNOTSUPP;
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}
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static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline void dev_pm_opp_detach_genpd(struct opp_table *opp_table) {}
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static inline int devm_pm_opp_attach_genpd(struct device *dev,
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const char * const *names,
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struct device ***virt_devs)
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{
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return -EOPNOTSUPP;
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}
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static inline struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table,
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struct opp_table *dst_table, struct dev_pm_opp *src_opp)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate)
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{
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return -EOPNOTSUPP;
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}
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static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
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{
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return -EOPNOTSUPP;
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}
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static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp)
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{
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return -EOPNOTSUPP;
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}
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static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask)
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{
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return -EOPNOTSUPP;
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}
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static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
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{
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return -EINVAL;
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}
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static inline void dev_pm_opp_remove_table(struct device *dev)
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{
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}
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static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
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{
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}
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static inline int dev_pm_opp_sync_regulators(struct device *dev)
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{
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return -EOPNOTSUPP;
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}
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#endif /* CONFIG_PM_OPP */
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#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
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int dev_pm_opp_of_add_table(struct device *dev);
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int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
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int devm_pm_opp_of_add_table_indexed(struct device *dev, int index);
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int dev_pm_opp_of_add_table_noclk(struct device *dev, int index);
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int devm_pm_opp_of_add_table_noclk(struct device *dev, int index);
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void dev_pm_opp_of_remove_table(struct device *dev);
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int devm_pm_opp_of_add_table(struct device *dev);
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int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
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|
void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
|
|
int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
|
|
struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
|
|
struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);
|
|
int of_get_required_opp_performance_state(struct device_node *np, int index);
|
|
int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table);
|
|
int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus);
|
|
static inline void dev_pm_opp_of_unregister_em(struct device *dev)
|
|
{
|
|
em_dev_unregister_perf_domain(dev);
|
|
}
|
|
#else
|
|
static inline int dev_pm_opp_of_add_table(struct device *dev)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int devm_pm_opp_of_add_table_indexed(struct device *dev, int index)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_add_table_noclk(struct device *dev, int index)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int devm_pm_opp_of_add_table_noclk(struct device *dev, int index)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline void dev_pm_opp_of_remove_table(struct device *dev)
|
|
{
|
|
}
|
|
|
|
static inline int devm_pm_opp_of_add_table(struct device *dev)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
|
|
{
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_register_em(struct device *dev,
|
|
struct cpumask *cpus)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline void dev_pm_opp_of_unregister_em(struct device *dev)
|
|
{
|
|
}
|
|
|
|
static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __LINUX_OPP_H__ */
|