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Nishanth Menone1f60b22010-10-13 00:13:10 +02001/*
2 * Generic OPP Interface
3 *
4 * Copyright (C) 2009-2010 Texas Instruments Incorporated.
5 * Nishanth Menon
6 * Romit Dasgupta
7 * Kevin Hilman
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#ifndef __LINUX_OPP_H__
15#define __LINUX_OPP_H__
16
17#include <linux/err.h>
MyungJoo Ham03ca3702011-09-30 22:35:12 +020018#include <linux/notifier.h>
Nishanth Menone1f60b22010-10-13 00:13:10 +020019
Viresh Kumar94735582016-12-01 16:28:20 +053020struct clk;
21struct regulator;
Nishanth Menon47d43ba2013-09-19 16:03:51 -050022struct dev_pm_opp;
Paul Gortmaker313162d2012-01-30 11:46:54 -050023struct device;
Stephen Boyd91291d92016-11-30 16:21:25 +053024struct opp_table;
Nishanth Menone1f60b22010-10-13 00:13:10 +020025
Nishanth Menon47d43ba2013-09-19 16:03:51 -050026enum dev_pm_opp_event {
Viresh Kumar129eec52014-11-27 08:54:06 +053027 OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
MyungJoo Ham03ca3702011-09-30 22:35:12 +020028};
29
Viresh Kumar0f0fe7e2016-12-01 16:28:17 +053030/**
31 * struct dev_pm_opp_supply - Power supply voltage/current values
32 * @u_volt: Target voltage in microvolts corresponding to this OPP
33 * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP
34 * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP
35 * @u_amp: Maximum current drawn by the device in microamperes
36 *
37 * This structure stores the voltage/current values for a single power supply.
38 */
39struct dev_pm_opp_supply {
40 unsigned long u_volt;
41 unsigned long u_volt_min;
42 unsigned long u_volt_max;
43 unsigned long u_amp;
44};
45
Viresh Kumar94735582016-12-01 16:28:20 +053046/**
47 * struct dev_pm_opp_info - OPP freq/voltage/current values
48 * @rate: Target clk rate in hz
49 * @supplies: Array of voltage/current values for all power supplies
50 *
51 * This structure stores the freq/voltage/current values for a single OPP.
52 */
53struct dev_pm_opp_info {
54 unsigned long rate;
55 struct dev_pm_opp_supply *supplies;
56};
57
58/**
59 * struct dev_pm_set_opp_data - Set OPP data
60 * @old_opp: Old OPP info
61 * @new_opp: New OPP info
62 * @regulators: Array of regulator pointers
63 * @regulator_count: Number of regulators
64 * @clk: Pointer to clk
65 * @dev: Pointer to the struct device
66 *
67 * This structure contains all information required for setting an OPP.
68 */
69struct dev_pm_set_opp_data {
70 struct dev_pm_opp_info old_opp;
71 struct dev_pm_opp_info new_opp;
72
73 struct regulator **regulators;
74 unsigned int regulator_count;
75 struct clk *clk;
76 struct device *dev;
77};
78
Nishanth Menone1f60b22010-10-13 00:13:10 +020079#if defined(CONFIG_PM_OPP)
80
Viresh Kumarf067a982017-01-23 10:11:42 +053081struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
Viresh Kumareb7c87432018-09-05 16:17:14 +053082struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index);
Viresh Kumarf067a982017-01-23 10:11:42 +053083void dev_pm_opp_put_opp_table(struct opp_table *opp_table);
84
Nishanth Menon47d43ba2013-09-19 16:03:51 -050085unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp);
Nishanth Menone1f60b22010-10-13 00:13:10 +020086
Nishanth Menon47d43ba2013-09-19 16:03:51 -050087unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
Nishanth Menone1f60b22010-10-13 00:13:10 +020088
Bartlomiej Zolnierkiewicz19445b22015-07-09 17:43:35 +020089bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
90
Nishanth Menon5d4879c2013-09-19 16:03:50 -050091int dev_pm_opp_get_opp_count(struct device *dev);
Viresh Kumar3ca9bb32015-07-29 16:23:03 +053092unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
Viresh Kumar655c9df2016-02-09 10:30:35 +053093unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
Viresh Kumar21743442016-02-09 10:30:36 +053094unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
Viresh Kumar3aa26a32017-01-02 14:41:02 +053095unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev);
Nishanth Menone1f60b22010-10-13 00:13:10 +020096
Nishanth Menon47d43ba2013-09-19 16:03:51 -050097struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
98 unsigned long freq,
99 bool available);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200100
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500101struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
102 unsigned long *freq);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200103
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500104struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
105 unsigned long *freq);
Viresh Kumar70347642017-01-23 10:11:46 +0530106void dev_pm_opp_put(struct dev_pm_opp *opp);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200107
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500108int dev_pm_opp_add(struct device *dev, unsigned long freq,
109 unsigned long u_volt);
Viresh Kumar129eec52014-11-27 08:54:06 +0530110void dev_pm_opp_remove(struct device *dev, unsigned long freq);
Viresh Kumar1690d8b2019-01-04 15:14:33 +0530111void dev_pm_opp_remove_all_dynamic(struct device *dev);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200112
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500113int dev_pm_opp_enable(struct device *dev, unsigned long freq);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200114
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500115int dev_pm_opp_disable(struct device *dev, unsigned long freq);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200116
Viresh Kumardc2c9ad2017-01-02 14:41:03 +0530117int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb);
118int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb);
119
Viresh Kumarfa301842017-01-23 10:11:43 +0530120struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
121void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
122struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name);
123void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
Viresh Kumardfbe4672016-12-01 16:28:19 +0530124struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
125void dev_pm_opp_put_regulators(struct opp_table *opp_table);
Viresh Kumar829a4e82017-06-21 10:29:13 +0530126struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name);
127void dev_pm_opp_put_clkname(struct opp_table *opp_table);
Viresh Kumarfa301842017-01-23 10:11:43 +0530128struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
Viresh Kumar604a7ae2017-10-05 17:26:21 +0530129void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
Viresh Kumar4f018bc2018-06-26 16:29:34 +0530130struct opp_table *dev_pm_opp_set_genpd_virt_dev(struct device *dev, struct device *virt_dev, int index);
131void dev_pm_opp_put_genpd_virt_dev(struct opp_table *opp_table, struct device *virt_dev);
Viresh Kumarc8a59102018-11-02 14:36:42 +0530132int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
Viresh Kumar6a0712f2016-02-09 10:30:39 +0530133int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200134int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
135int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
Sudeep Holla411466c2016-05-03 15:05:04 +0100136void dev_pm_opp_remove_table(struct device *dev);
137void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200138#else
Viresh Kumarf067a982017-01-23 10:11:42 +0530139static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev)
140{
141 return ERR_PTR(-ENOTSUPP);
142}
143
Viresh Kumareb7c87432018-09-05 16:17:14 +0530144static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index)
145{
146 return ERR_PTR(-ENOTSUPP);
147}
148
Viresh Kumarf067a982017-01-23 10:11:42 +0530149static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {}
150
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500151static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
Nishanth Menone1f60b22010-10-13 00:13:10 +0200152{
153 return 0;
154}
155
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500156static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
Nishanth Menone1f60b22010-10-13 00:13:10 +0200157{
158 return 0;
159}
160
Bartlomiej Zolnierkiewicz19445b22015-07-09 17:43:35 +0200161static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
162{
163 return false;
164}
165
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500166static inline int dev_pm_opp_get_opp_count(struct device *dev)
Nishanth Menone1f60b22010-10-13 00:13:10 +0200167{
168 return 0;
169}
170
Viresh Kumar3ca9bb32015-07-29 16:23:03 +0530171static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
172{
173 return 0;
174}
175
Viresh Kumar655c9df2016-02-09 10:30:35 +0530176static inline unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
177{
178 return 0;
179}
180
Viresh Kumar21743442016-02-09 10:30:36 +0530181static inline unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev)
182{
183 return 0;
184}
185
Viresh Kumar3aa26a32017-01-02 14:41:02 +0530186static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev)
Bartlomiej Zolnierkiewicz4eafbd12015-09-08 18:41:01 +0200187{
Viresh Kumar3aa26a32017-01-02 14:41:02 +0530188 return 0;
Bartlomiej Zolnierkiewicz4eafbd12015-09-08 18:41:01 +0200189}
190
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500191static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
Nishanth Menone1f60b22010-10-13 00:13:10 +0200192 unsigned long freq, bool available)
193{
Viresh Kumard708b3842016-04-27 08:52:21 +0530194 return ERR_PTR(-ENOTSUPP);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200195}
196
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500197static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
Nishanth Menone1f60b22010-10-13 00:13:10 +0200198 unsigned long *freq)
199{
Viresh Kumard708b3842016-04-27 08:52:21 +0530200 return ERR_PTR(-ENOTSUPP);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200201}
202
Nishanth Menon47d43ba2013-09-19 16:03:51 -0500203static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
Nishanth Menone1f60b22010-10-13 00:13:10 +0200204 unsigned long *freq)
205{
Viresh Kumard708b3842016-04-27 08:52:21 +0530206 return ERR_PTR(-ENOTSUPP);
Nishanth Menone1f60b22010-10-13 00:13:10 +0200207}
208
Viresh Kumar70347642017-01-23 10:11:46 +0530209static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {}
210
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500211static inline int dev_pm_opp_add(struct device *dev, unsigned long freq,
Nishanth Menone1f60b22010-10-13 00:13:10 +0200212 unsigned long u_volt)
213{
Viresh Kumard708b3842016-04-27 08:52:21 +0530214 return -ENOTSUPP;
Nishanth Menone1f60b22010-10-13 00:13:10 +0200215}
216
Viresh Kumar129eec52014-11-27 08:54:06 +0530217static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq)
218{
219}
220
Viresh Kumar1690d8b2019-01-04 15:14:33 +0530221static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
222{
223}
224
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500225static inline int dev_pm_opp_enable(struct device *dev, unsigned long freq)
Nishanth Menone1f60b22010-10-13 00:13:10 +0200226{
227 return 0;
228}
229
Nishanth Menon5d4879c2013-09-19 16:03:50 -0500230static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq)
Nishanth Menone1f60b22010-10-13 00:13:10 +0200231{
232 return 0;
233}
MyungJoo Ham03ca3702011-09-30 22:35:12 +0200234
Viresh Kumardc2c9ad2017-01-02 14:41:03 +0530235static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb)
MyungJoo Ham03ca3702011-09-30 22:35:12 +0200236{
Viresh Kumardc2c9ad2017-01-02 14:41:03 +0530237 return -ENOTSUPP;
238}
239
240static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb)
241{
242 return -ENOTSUPP;
MyungJoo Ham03ca3702011-09-30 22:35:12 +0200243}
Viresh Kumar7de36b02015-12-09 08:01:46 +0530244
Viresh Kumarfa301842017-01-23 10:11:43 +0530245static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
246 const u32 *versions,
247 unsigned int count)
Viresh Kumar7de36b02015-12-09 08:01:46 +0530248{
Viresh Kumarfa301842017-01-23 10:11:43 +0530249 return ERR_PTR(-ENOTSUPP);
Viresh Kumar7de36b02015-12-09 08:01:46 +0530250}
251
Viresh Kumarfa301842017-01-23 10:11:43 +0530252static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}
Viresh Kumar7de36b02015-12-09 08:01:46 +0530253
Viresh Kumarfa301842017-01-23 10:11:43 +0530254static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev,
Viresh Kumar4dab1602016-12-01 16:28:21 +0530255 int (*set_opp)(struct dev_pm_set_opp_data *data))
256{
Viresh Kumarfa301842017-01-23 10:11:43 +0530257 return ERR_PTR(-ENOTSUPP);
Viresh Kumar4dab1602016-12-01 16:28:21 +0530258}
259
Viresh Kumar604a7ae2017-10-05 17:26:21 +0530260static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}
Viresh Kumar4dab1602016-12-01 16:28:21 +0530261
Viresh Kumarfa301842017-01-23 10:11:43 +0530262static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name)
Viresh Kumar01fb4d32015-12-09 08:01:47 +0530263{
Viresh Kumarfa301842017-01-23 10:11:43 +0530264 return ERR_PTR(-ENOTSUPP);
Viresh Kumar01fb4d32015-12-09 08:01:47 +0530265}
266
Viresh Kumarfa301842017-01-23 10:11:43 +0530267static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {}
Viresh Kumar01fb4d32015-12-09 08:01:47 +0530268
Viresh Kumardfbe4672016-12-01 16:28:19 +0530269static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count)
Viresh Kumar9f8ea962016-02-09 10:30:33 +0530270{
Stephen Boyd91291d92016-11-30 16:21:25 +0530271 return ERR_PTR(-ENOTSUPP);
Viresh Kumar9f8ea962016-02-09 10:30:33 +0530272}
273
Viresh Kumardfbe4672016-12-01 16:28:19 +0530274static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}
Viresh Kumar9f8ea962016-02-09 10:30:33 +0530275
Viresh Kumar829a4e82017-06-21 10:29:13 +0530276static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name)
277{
278 return ERR_PTR(-ENOTSUPP);
279}
280
281static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {}
282
Viresh Kumar4f018bc2018-06-26 16:29:34 +0530283static inline struct opp_table *dev_pm_opp_set_genpd_virt_dev(struct device *dev, struct device *virt_dev, int index)
284{
285 return ERR_PTR(-ENOTSUPP);
286}
287
288static inline void dev_pm_opp_put_genpd_virt_dev(struct opp_table *opp_table, struct device *virt_dev) {}
Viresh Kumarc8a59102018-11-02 14:36:42 +0530289
290static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate)
291{
292 return -ENOTSUPP;
293}
294
Viresh Kumar6a0712f2016-02-09 10:30:39 +0530295static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
296{
Viresh Kumard708b3842016-04-27 08:52:21 +0530297 return -ENOTSUPP;
Viresh Kumar6a0712f2016-02-09 10:30:39 +0530298}
299
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200300static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask)
Viresh Kumar642aa8c2016-04-21 14:28:55 +0530301{
Viresh Kumard708b3842016-04-27 08:52:21 +0530302 return -ENOTSUPP;
Viresh Kumar642aa8c2016-04-21 14:28:55 +0530303}
304
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200305static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
Viresh Kumar6f707da2016-04-27 08:52:23 +0530306{
307 return -EINVAL;
308}
309
Sudeep Holla411466c2016-05-03 15:05:04 +0100310static inline void dev_pm_opp_remove_table(struct device *dev)
311{
312}
313
314static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask)
315{
316}
317
Tony Lindgrena96d69d2011-11-03 10:12:27 +0100318#endif /* CONFIG_PM_OPP */
Nishanth Menone1f60b22010-10-13 00:13:10 +0200319
Shawn Guod6561bb2013-02-21 11:04:45 +0000320#if defined(CONFIG_PM_OPP) && defined(CONFIG_OF)
Viresh Kumar8f8d37b2015-09-04 13:47:24 +0530321int dev_pm_opp_of_add_table(struct device *dev);
Viresh Kumarfa9b2742017-04-26 10:45:46 +0530322int dev_pm_opp_of_add_table_indexed(struct device *dev, int index);
Viresh Kumar8f8d37b2015-09-04 13:47:24 +0530323void dev_pm_opp_of_remove_table(struct device *dev);
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200324int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask);
325void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);
326int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
Dave Gerlach0764c602017-02-03 11:29:26 -0600327struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);
Viresh Kumare2f4b5f2018-01-12 10:03:45 +0530328struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);
Viresh Kumar2feb5a82018-12-14 15:20:56 +0530329int of_get_required_opp_performance_state(struct device_node *np, int index);
Shawn Guod6561bb2013-02-21 11:04:45 +0000330#else
Viresh Kumar8f8d37b2015-09-04 13:47:24 +0530331static inline int dev_pm_opp_of_add_table(struct device *dev)
Shawn Guod6561bb2013-02-21 11:04:45 +0000332{
Viresh Kumard708b3842016-04-27 08:52:21 +0530333 return -ENOTSUPP;
Shawn Guod6561bb2013-02-21 11:04:45 +0000334}
Viresh Kumar129eec52014-11-27 08:54:06 +0530335
Viresh Kumarfa9b2742017-04-26 10:45:46 +0530336static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index)
337{
338 return -ENOTSUPP;
339}
340
Viresh Kumar8f8d37b2015-09-04 13:47:24 +0530341static inline void dev_pm_opp_of_remove_table(struct device *dev)
Viresh Kumar129eec52014-11-27 08:54:06 +0530342{
343}
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530344
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200345static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530346{
Viresh Kumard708b3842016-04-27 08:52:21 +0530347 return -ENOTSUPP;
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530348}
349
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200350static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530351{
352}
353
Arnd Bergmannddbb74b2016-04-30 13:33:29 +0200354static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530355{
Viresh Kumard708b3842016-04-27 08:52:21 +0530356 return -ENOTSUPP;
Viresh Kumar8d4d4e92015-06-12 17:10:38 +0530357}
Dave Gerlach0764c602017-02-03 11:29:26 -0600358
359static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
360{
361 return NULL;
362}
Viresh Kumara88bd2a2017-11-29 15:18:36 +0530363
Viresh Kumare2f4b5f2018-01-12 10:03:45 +0530364static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)
365{
366 return NULL;
367}
Viresh Kumar2feb5a82018-12-14 15:20:56 +0530368static inline int of_get_required_opp_performance_state(struct device_node *np, int index)
Viresh Kumar4c6a3432018-06-27 16:29:50 +0530369{
Viresh Kumar2feb5a82018-12-14 15:20:56 +0530370 return -ENOTSUPP;
Viresh Kumar4c6a3432018-06-27 16:29:50 +0530371}
Shawn Guod6561bb2013-02-21 11:04:45 +0000372#endif
373
Nishanth Menone1f60b22010-10-13 00:13:10 +0200374#endif /* __LINUX_OPP_H__ */