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thermal/drivers/core: Use governor table to initialize 

Now that the governor table is in place and the macro allows to browse the
table, declare the governor so the entry is added in the governor table
in the init section.

The [un]register_thermal_governors function does no longer need to use the
exported [un]register thermal governor's specific function which in turn
call the [un]register_thermal_governor. The governors are fully
self-encapsulated.

The cyclic dependency is no longer needed, remove it.

Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
alistair/sunxi64-5.4-dsi
Daniel Lezcano 2019-06-12 22:13:25 +02:00 committed by Zhang Rui
parent 980af75ede
commit 57c5b2ec90
7 changed files with 39 additions and 120 deletions
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12
drivers/thermal/fair_share.c
View File

@ -117,14 +117,4 @@ static struct thermal_governor thermal_gov_fair_share = {
.name = "fair_share",
.throttle = fair_share_throttle,
};
int thermal_gov_fair_share_register(void)
{
return thermal_register_governor(&thermal_gov_fair_share);
}
void thermal_gov_fair_share_unregister(void)
{
thermal_unregister_governor(&thermal_gov_fair_share);
}
THERMAL_GOVERNOR_DECLARE(thermal_gov_fair_share);

11
drivers/thermal/gov_bang_bang.c
View File

@ -116,13 +116,4 @@ static struct thermal_governor thermal_gov_bang_bang = {
.name = "bang_bang",
.throttle = bang_bang_control,
};
int thermal_gov_bang_bang_register(void)
{
return thermal_register_governor(&thermal_gov_bang_bang);
}
void thermal_gov_bang_bang_unregister(void)
{
thermal_unregister_governor(&thermal_gov_bang_bang);
}
THERMAL_GOVERNOR_DECLARE(thermal_gov_bang_bang);

11
drivers/thermal/power_allocator.c
View File

@ -651,13 +651,4 @@ static struct thermal_governor thermal_gov_power_allocator = {
.unbind_from_tz = power_allocator_unbind,
.throttle = power_allocator_throttle,
};
int thermal_gov_power_allocator_register(void)
{
return thermal_register_governor(&thermal_gov_power_allocator);
}
void thermal_gov_power_allocator_unregister(void)
{
thermal_unregister_governor(&thermal_gov_power_allocator);
}
THERMAL_GOVERNOR_DECLARE(thermal_gov_power_allocator);

11
drivers/thermal/step_wise.c
View File

@ -206,13 +206,4 @@ static struct thermal_governor thermal_gov_step_wise = {
.name = "step_wise",
.throttle = step_wise_throttle,
};
int thermal_gov_step_wise_register(void)
{
return thermal_register_governor(&thermal_gov_step_wise);
}
void thermal_gov_step_wise_unregister(void)
{
thermal_unregister_governor(&thermal_gov_step_wise);
}
THERMAL_GOVERNOR_DECLARE(thermal_gov_step_wise);

62
drivers/thermal/thermal_core.c
View File

@ -243,36 +243,42 @@ int thermal_build_list_of_policies(char *buf)
return count;
}
static int __init thermal_register_governors(void)
{
int result;
result = thermal_gov_step_wise_register();
if (result)
return result;
result = thermal_gov_fair_share_register();
if (result)
return result;
result = thermal_gov_bang_bang_register();
if (result)
return result;
result = thermal_gov_user_space_register();
if (result)
return result;
return thermal_gov_power_allocator_register();
}
static void __init thermal_unregister_governors(void)
{
thermal_gov_step_wise_unregister();
thermal_gov_fair_share_unregister();
thermal_gov_bang_bang_unregister();
thermal_gov_user_space_unregister();
thermal_gov_power_allocator_unregister();
struct thermal_governor **governor;
for_each_governor_table(governor)
thermal_unregister_governor(*governor);
}
static int __init thermal_register_governors(void)
{
int ret = 0;
struct thermal_governor **governor;
for_each_governor_table(governor) {
ret = thermal_register_governor(*governor);
if (ret) {
pr_err("Failed to register governor: '%s'",
(*governor)->name);
break;
}
pr_info("Registered thermal governor '%s'",
(*governor)->name);
}
if (ret) {
struct thermal_governor **gov;
for_each_governor_table(gov) {
if (gov == governor)
break;
thermal_unregister_governor(*gov);
}
}
return ret;
}
/*

40
drivers/thermal/thermal_core.h
View File

@ -89,46 +89,6 @@ thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
unsigned long new_state) {}
#endif /* CONFIG_THERMAL_STATISTICS */
#ifdef CONFIG_THERMAL_GOV_STEP_WISE
int thermal_gov_step_wise_register(void);
void thermal_gov_step_wise_unregister(void);
#else
static inline int thermal_gov_step_wise_register(void) { return 0; }
static inline void thermal_gov_step_wise_unregister(void) {}
#endif /* CONFIG_THERMAL_GOV_STEP_WISE */
#ifdef CONFIG_THERMAL_GOV_FAIR_SHARE
int thermal_gov_fair_share_register(void);
void thermal_gov_fair_share_unregister(void);
#else
static inline int thermal_gov_fair_share_register(void) { return 0; }
static inline void thermal_gov_fair_share_unregister(void) {}
#endif /* CONFIG_THERMAL_GOV_FAIR_SHARE */
#ifdef CONFIG_THERMAL_GOV_BANG_BANG
int thermal_gov_bang_bang_register(void);
void thermal_gov_bang_bang_unregister(void);
#else
static inline int thermal_gov_bang_bang_register(void) { return 0; }
static inline void thermal_gov_bang_bang_unregister(void) {}
#endif /* CONFIG_THERMAL_GOV_BANG_BANG */
#ifdef CONFIG_THERMAL_GOV_USER_SPACE
int thermal_gov_user_space_register(void);
void thermal_gov_user_space_unregister(void);
#else
static inline int thermal_gov_user_space_register(void) { return 0; }
static inline void thermal_gov_user_space_unregister(void) {}
#endif /* CONFIG_THERMAL_GOV_USER_SPACE */
#ifdef CONFIG_THERMAL_GOV_POWER_ALLOCATOR
int thermal_gov_power_allocator_register(void);
void thermal_gov_power_allocator_unregister(void);
#else
static inline int thermal_gov_power_allocator_register(void) { return 0; }
static inline void thermal_gov_power_allocator_unregister(void) {}
#endif /* CONFIG_THERMAL_GOV_POWER_ALLOCATOR */
/* device tree support */
#ifdef CONFIG_THERMAL_OF
int of_parse_thermal_zones(void);

12
drivers/thermal/user_space.c
View File

@ -44,14 +44,4 @@ static struct thermal_governor thermal_gov_user_space = {
.name = "user_space",
.throttle = notify_user_space,
};
int thermal_gov_user_space_register(void)
{
return thermal_register_governor(&thermal_gov_user_space);
}
void thermal_gov_user_space_unregister(void)
{
thermal_unregister_governor(&thermal_gov_user_space);
}
THERMAL_GOVERNOR_DECLARE(thermal_gov_user_space);