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PM / s2idle: Rename platform operations structure 

Rename struct platform_freeze_ops to platform_s2idle_ops to make it
clear that the callbacks in it are used during suspend-to-idle
suspend/resume transitions and rename the related functions,
variables and so on accordingly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2017-08-10 00:15:30 +02:00
parent 28ba086ed3
commit 23d5855f47
3 changed files with 32 additions and 32 deletions
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28
drivers/acpi/sleep.c
View File

@ -737,14 +737,14 @@ static struct acpi_scan_handler lps0_handler = {
.attach = lps0_device_attach,
};
static int acpi_freeze_begin(void)
static int acpi_s2idle_begin(void)
{
acpi_scan_lock_acquire();
s2idle_in_progress = true;
return 0;
}
static int acpi_freeze_prepare(void)
static int acpi_s2idle_prepare(void)
{
if (lps0_device_handle) {
acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF);
@ -764,7 +764,7 @@ static int acpi_freeze_prepare(void)
return 0;
}
static void acpi_freeze_wake(void)
static void acpi_s2idle_wake(void)
{
/*
* If IRQD_WAKEUP_ARMED is not set for the SCI at this point, it means
@ -778,7 +778,7 @@ static void acpi_freeze_wake(void)
}
}
static void acpi_freeze_sync(void)
static void acpi_s2idle_sync(void)
{
/*
* Process all pending events in case there are any wakeup ones.
@ -791,7 +791,7 @@ static void acpi_freeze_sync(void)
s2idle_wakeup = false;
}
static void acpi_freeze_restore(void)
static void acpi_s2idle_restore(void)
{
if (acpi_sci_irq_valid())
disable_irq_wake(acpi_sci_irq);
@ -804,19 +804,19 @@ static void acpi_freeze_restore(void)
}
}
static void acpi_freeze_end(void)
static void acpi_s2idle_end(void)
{
s2idle_in_progress = false;
acpi_scan_lock_release();
}
static const struct platform_freeze_ops acpi_freeze_ops = {
.begin = acpi_freeze_begin,
.prepare = acpi_freeze_prepare,
.wake = acpi_freeze_wake,
.sync = acpi_freeze_sync,
.restore = acpi_freeze_restore,
.end = acpi_freeze_end,
static const struct platform_s2idle_ops acpi_s2idle_ops = {
.begin = acpi_s2idle_begin,
.prepare = acpi_s2idle_prepare,
.wake = acpi_s2idle_wake,
.sync = acpi_s2idle_sync,
.restore = acpi_s2idle_restore,
.end = acpi_s2idle_end,
};
static void acpi_sleep_suspend_setup(void)
@ -831,7 +831,7 @@ static void acpi_sleep_suspend_setup(void)
&acpi_suspend_ops_old : &acpi_suspend_ops);
acpi_scan_add_handler(&lps0_handler);
freeze_set_ops(&acpi_freeze_ops);
s2idle_set_ops(&acpi_s2idle_ops);
}
#else /* !CONFIG_SUSPEND */

6
include/linux/suspend.h
View File

@ -186,7 +186,7 @@ struct platform_suspend_ops {
void (*recover)(void);
};
struct platform_freeze_ops {
struct platform_s2idle_ops {
int (*begin)(void);
int (*prepare)(void);
void (*wake)(void);
@ -251,7 +251,7 @@ static inline bool idle_should_enter_s2idle(void)
}
extern void __init pm_states_init(void);
extern void freeze_set_ops(const struct platform_freeze_ops *ops);
extern void s2idle_set_ops(const struct platform_s2idle_ops *ops);
extern void s2idle_wake(void);
/**
@ -286,7 +286,7 @@ static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {}
static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; }
static inline bool idle_should_enter_s2idle(void) { return false; }
static inline void __init pm_states_init(void) {}
static inline void freeze_set_ops(const struct platform_freeze_ops *ops) {}
static inline void s2idle_set_ops(const struct platform_s2idle_ops *ops) {}
static inline void s2idle_wake(void) {}
#endif /* !CONFIG_SUSPEND */

30
kernel/power/suspend.c
View File

@ -56,16 +56,16 @@ unsigned int pm_suspend_global_flags;
EXPORT_SYMBOL_GPL(pm_suspend_global_flags);
static const struct platform_suspend_ops *suspend_ops;
static const struct platform_freeze_ops *freeze_ops;
static const struct platform_s2idle_ops *s2idle_ops;
static DECLARE_WAIT_QUEUE_HEAD(s2idle_wait_head);
enum s2idle_states __read_mostly s2idle_state;
static DEFINE_SPINLOCK(s2idle_lock);
void freeze_set_ops(const struct platform_freeze_ops *ops)
void s2idle_set_ops(const struct platform_s2idle_ops *ops)
{
lock_system_sleep();
freeze_ops = ops;
s2idle_ops = ops;
unlock_system_sleep();
}
@ -131,13 +131,13 @@ static void s2idle_loop(void)
break;
}
if (freeze_ops && freeze_ops->wake)
freeze_ops->wake();
if (s2idle_ops && s2idle_ops->wake)
s2idle_ops->wake();
dpm_noirq_end();
if (freeze_ops && freeze_ops->sync)
freeze_ops->sync();
if (s2idle_ops && s2idle_ops->sync)
s2idle_ops->sync();
if (pm_wakeup_pending())
break;
@ -250,8 +250,8 @@ static int platform_suspend_prepare(suspend_state_t state)
static int platform_suspend_prepare_late(suspend_state_t state)
{
return state == PM_SUSPEND_TO_IDLE && freeze_ops && freeze_ops->prepare ?
freeze_ops->prepare() : 0;
return state == PM_SUSPEND_TO_IDLE && s2idle_ops && s2idle_ops->prepare ?
s2idle_ops->prepare() : 0;
}
static int platform_suspend_prepare_noirq(suspend_state_t state)
@ -268,8 +268,8 @@ static void platform_resume_noirq(suspend_state_t state)
static void platform_resume_early(suspend_state_t state)
{
if (state == PM_SUSPEND_TO_IDLE && freeze_ops && freeze_ops->restore)
freeze_ops->restore();
if (state == PM_SUSPEND_TO_IDLE && s2idle_ops && s2idle_ops->restore)
s2idle_ops->restore();
}
static void platform_resume_finish(suspend_state_t state)
@ -280,8 +280,8 @@ static void platform_resume_finish(suspend_state_t state)
static int platform_suspend_begin(suspend_state_t state)
{
if (state == PM_SUSPEND_TO_IDLE && freeze_ops && freeze_ops->begin)
return freeze_ops->begin();
if (state == PM_SUSPEND_TO_IDLE && s2idle_ops && s2idle_ops->begin)
return s2idle_ops->begin();
else if (suspend_ops && suspend_ops->begin)
return suspend_ops->begin(state);
else
@ -290,8 +290,8 @@ static int platform_suspend_begin(suspend_state_t state)
static void platform_resume_end(suspend_state_t state)
{
if (state == PM_SUSPEND_TO_IDLE && freeze_ops && freeze_ops->end)
freeze_ops->end();
if (state == PM_SUSPEND_TO_IDLE && s2idle_ops && s2idle_ops->end)
s2idle_ops->end();
else if (suspend_ops && suspend_ops->end)
suspend_ops->end();
}