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Merge branch 'pm-cpuidle'

Browse source
This commit is contained in:
Rafael J. Wysocki 2012-07-19 00:02:53 +02:00
commit 3db0bc9767
10 changed files with 100 additions and 85 deletions
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7
drivers/acpi/processor_driver.c
View file

@ -427,18 +427,11 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
* Initialize missing things
*/
if (pr->flags.need_hotplug_init) {
struct cpuidle_driver *idle_driver =
cpuidle_get_driver();
printk(KERN_INFO "Will online and init hotplugged "
"CPU: %d\n", pr->id);
WARN(acpi_processor_start(pr), "Failed to start CPU:"
" %d\n", pr->id);
pr->flags.need_hotplug_init = 0;
if (idle_driver && !strcmp(idle_driver->name,
"intel_idle")) {
intel_idle_cpu_init(pr->id);
}
/* Normal CPU soft online event */
} else {
acpi_processor_ppc_has_changed(pr, 0);

39
drivers/acpi/processor_idle.c
View file

@ -221,10 +221,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
#endif
/*
* Suspend / resume control
*/
static int acpi_idle_suspend;
static u32 saved_bm_rld;
static void acpi_idle_bm_rld_save(void)
@ -243,21 +239,13 @@ static void acpi_idle_bm_rld_restore(void)
int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
{
if (acpi_idle_suspend == 1)
return 0;
acpi_idle_bm_rld_save();
acpi_idle_suspend = 1;
return 0;
}
int acpi_processor_resume(struct acpi_device * device)
{
if (acpi_idle_suspend == 0)
return 0;
acpi_idle_bm_rld_restore();
acpi_idle_suspend = 0;
return 0;
}
@ -595,7 +583,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
*/
cx->valid = 1;
cx->latency_ticks = cx->latency;
/*
* On older chipsets, BM_RLD needs to be set
* in order for Bus Master activity to wake the
@ -628,7 +615,6 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
if (!cx->address)
break;
cx->valid = 1;
cx->latency_ticks = cx->latency; /* Normalize latency */
break;
case ACPI_STATE_C3:
@ -763,11 +749,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
local_irq_disable();
if (acpi_idle_suspend) {
local_irq_enable();
cpu_relax();
return -EBUSY;
}
lapic_timer_state_broadcast(pr, cx, 1);
kt1 = ktime_get_real();
@ -779,7 +760,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
dev->last_residency = (int)idle_time;
local_irq_enable();
cx->usage++;
lapic_timer_state_broadcast(pr, cx, 0);
return index;
@ -838,11 +818,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
local_irq_disable();
if (acpi_idle_suspend) {
local_irq_enable();
cpu_relax();
return -EBUSY;
}
if (cx->entry_method != ACPI_CSTATE_FFH) {
current_thread_info()->status &= ~TS_POLLING;
@ -887,10 +862,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
if (cx->entry_method != ACPI_CSTATE_FFH)
current_thread_info()->status |= TS_POLLING;
cx->usage++;
lapic_timer_state_broadcast(pr, cx, 0);
cx->time += idle_time;
return index;
}
@ -928,8 +900,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
drv, drv->safe_state_index);
} else {
local_irq_disable();
if (!acpi_idle_suspend)
acpi_safe_halt();
acpi_safe_halt();
local_irq_enable();
return -EBUSY;
}
@ -937,11 +908,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
local_irq_disable();
if (acpi_idle_suspend) {
local_irq_enable();
cpu_relax();
return -EBUSY;
}
if (cx->entry_method != ACPI_CSTATE_FFH) {
current_thread_info()->status &= ~TS_POLLING;
@ -1014,10 +980,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
if (cx->entry_method != ACPI_CSTATE_FFH)
current_thread_info()->status |= TS_POLLING;
cx->usage++;
lapic_timer_state_broadcast(pr, cx, 0);
cx->time += idle_time;
return index;
}