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committed d2912cb15bdx
int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, struct opp_table *opp_table, bool rate_not_available);/* SPDX-License-Identifier: GPL-2.0-only *//* * Generic OPP Interface * * Copyright (C) 2009-2010 Texas Instruments Incorporated. * Nishanth Menon * Romit Dasgupta * Kevin Hilman */struct clk;struct regulator;/* Lock to allow exclusive modification to the device and opp lists */extern struct mutex opp_table_lock;extern struct list_head opp_tables;/* * Internal data structure organization with the OPP layer library is as * follows: * opp_tables (root) * |- device 1 (represents voltage domain 1) * | |- opp 1 (availability, freq, voltage) * | |- opp 2 .. * ... ... * | `- opp n .. * |- device 2 (represents the next voltage domain) * ... * `- device m (represents mth voltage domain) * device 1, 2.. are represented by opp_table structure while each opp * is represented by the opp structure. *//** * struct dev_pm_opp - Generic OPP description structure * @node: opp table node. The nodes are maintained throughout the lifetime * of boot. It is expected only an optimal set of OPPs are * added to the library by the SoC framework. * IMPORTANT: the opp nodes should be maintained in increasing * order. * @kref: for reference count of the OPP. * @available: true/false - marks if this OPP as available or not * @dynamic: not-created from static DT entries. * @turbo: true if turbo (boost) OPP * @suspend: true if suspend OPP * @pstate: Device's power domain's performance state. * @rate: Frequency in hertz * @level: Performance level * @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) * * This structure stores the OPP information for a given device. */struct dev_pm_opp { struct list_head node; struct kref kref; bool available; bool dynamic; bool turbo; bool suspend; unsigned int pstate; unsigned long rate; unsigned int level; struct dev_pm_opp_supply *supplies; unsigned long clock_latency_ns; struct dev_pm_opp **required_opps; struct opp_table *opp_table; struct device_node *np;