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…l/git/mzx/devfreq

Pull devfreq changes for v4.12 from MyungJoo Ham.

* 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq:
  PM / devfreq: Move struct devfreq_governor to devfreq directory
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Rafael J. Wysocki committed Apr 14, 2017
2 parents 39da7c5 + 3ea6b70 commit 58b11f6
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Showing 2 changed files with 30 additions and 29 deletions.
29 changes: 29 additions & 0 deletions drivers/devfreq/governor.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,35 @@
#define DEVFREQ_GOV_SUSPEND 0x4
#define DEVFREQ_GOV_RESUME 0x5

/**
* struct devfreq_governor - Devfreq policy governor
* @node: list node - contains registered devfreq governors
* @name: Governor's name
* @immutable: Immutable flag for governor. If the value is 1,
* this govenror is never changeable to other governor.
* @get_target_freq: Returns desired operating frequency for the device.
* Basically, get_target_freq will run
* devfreq_dev_profile.get_dev_status() to get the
* status of the device (load = busy_time / total_time).
* If no_central_polling is set, this callback is called
* only with update_devfreq() notified by OPP.
* @event_handler: Callback for devfreq core framework to notify events
* to governors. Events include per device governor
* init and exit, opp changes out of devfreq, suspend
* and resume of per device devfreq during device idle.
*
* Note that the callbacks are called with devfreq->lock locked by devfreq.
*/
struct devfreq_governor {
struct list_head node;

const char name[DEVFREQ_NAME_LEN];
const unsigned int immutable;
int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
int (*event_handler)(struct devfreq *devfreq,
unsigned int event, void *data);
};

/* Caution: devfreq->lock must be locked before calling update_devfreq */
extern int update_devfreq(struct devfreq *devfreq);

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30 changes: 1 addition & 29 deletions include/linux/devfreq.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#define DEVFREQ_POSTCHANGE (1)

struct devfreq;
struct devfreq_governor;

/**
* struct devfreq_dev_status - Data given from devfreq user device to
Expand Down Expand Up @@ -100,35 +101,6 @@ struct devfreq_dev_profile {
unsigned int max_state;
};

/**
* struct devfreq_governor - Devfreq policy governor
* @node: list node - contains registered devfreq governors
* @name: Governor's name
* @immutable: Immutable flag for governor. If the value is 1,
* this govenror is never changeable to other governor.
* @get_target_freq: Returns desired operating frequency for the device.
* Basically, get_target_freq will run
* devfreq_dev_profile.get_dev_status() to get the
* status of the device (load = busy_time / total_time).
* If no_central_polling is set, this callback is called
* only with update_devfreq() notified by OPP.
* @event_handler: Callback for devfreq core framework to notify events
* to governors. Events include per device governor
* init and exit, opp changes out of devfreq, suspend
* and resume of per device devfreq during device idle.
*
* Note that the callbacks are called with devfreq->lock locked by devfreq.
*/
struct devfreq_governor {
struct list_head node;

const char name[DEVFREQ_NAME_LEN];
const unsigned int immutable;
int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
int (*event_handler)(struct devfreq *devfreq,
unsigned int event, void *data);
};

/**
* struct devfreq - Device devfreq structure
* @node: list node - contains the devices with devfreq that have been
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