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Merge branch 'powercap'

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Merge Dynamic Thermal Power Management (DTPM) changes for 5.18-rc1:

 - Add DTPM hierarchy description (Daniel Lezcano).

 - Change the locking scheme in DTPM (Daniel Lezcano).

 - Fix dtpm_cpu cleanup at exit time and missing virtual DTPM pointer
   release (Daniel Lezcano).

 - Make dtpm_node_callback[] static (kernel test robot).

 - Fix spelling mistake "initialze" -> "initialize" in
   dtpm_create_hierarchy() (Colin Ian King).

* powercap:
  powercap: DTPM: Fix spelling mistake "initialze" -> "initialize"
  powercap: DTPM: dtpm_node_callback[] can be static
  dtpm/soc/rk3399: Add the ability to unload the module
  powercap/dtpm_cpu: Add exit function
  powercap/dtpm: Move the 'root' reset place
  powercap/dtpm: Destroy hierarchy function
  powercap/dtpm: Fixup kfree for virtual node
  powercap/dtpm_cpu: Reset per_cpu variable in the release function
  powercap/dtpm: Change locking scheme
  rockchip/soc/drivers: Add DTPM description for rk3399
  powercap/drivers/dtpm: Add dtpm devfreq with energy model support
  powercap/drivers/dtpm: Add CPU DT initialization support
  powercap/drivers/dtpm: Add hierarchy creation
  powercap/drivers/dtpm: Convert the init table section to a simple array
This commit is contained in:
Rafael J. Wysocki 2022-03-18 18:40:38 +01:00
commit ac9f31096b
11 changed files with 638 additions and 113 deletions
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36
include/linux/dtpm.h
View file

@ -32,28 +32,25 @@ struct dtpm_ops {
void (*release)(struct dtpm *);
};
typedef int (*dtpm_init_t)(void);
struct device_node;
struct dtpm_descr {
dtpm_init_t init;
struct dtpm_subsys_ops {
const char *name;
int (*init)(void);
void (*exit)(void);
int (*setup)(struct dtpm *, struct device_node *);
};
/* Init section thermal table */
extern struct dtpm_descr __dtpm_table[];
extern struct dtpm_descr __dtpm_table_end[];
enum DTPM_NODE_TYPE {
DTPM_NODE_VIRTUAL = 0,
DTPM_NODE_DT,
};
#define DTPM_TABLE_ENTRY(name, __init) \
static struct dtpm_descr __dtpm_table_entry_##name \
__used __section("__dtpm_table") = { \
.init = __init, \
}
#define DTPM_DECLARE(name, init) DTPM_TABLE_ENTRY(name, init)
#define for_each_dtpm_table(__dtpm) \
for (__dtpm = __dtpm_table; \
__dtpm < __dtpm_table_end; \
__dtpm++)
struct dtpm_node {
enum DTPM_NODE_TYPE type;
const char *name;
struct dtpm_node *parent;
};
static inline struct dtpm *to_dtpm(struct powercap_zone *zone)
{
@ -70,4 +67,7 @@ void dtpm_unregister(struct dtpm *dtpm);
int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent);
int dtpm_create_hierarchy(struct of_device_id *dtpm_match_table);
void dtpm_destroy_hierarchy(void);
#endif