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path: root/drivers/acpi/processor_idle.c
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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c39
1 files changed, 1 insertions, 38 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6d9ec3e0b52e..e589c1985248 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -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 device *dev)
{
- if (acpi_idle_suspend == 1)
- return 0;
-
acpi_idle_bm_rld_save();
- acpi_idle_suspend = 1;
return 0;
}
int acpi_processor_resume(struct device *dev)
{
- 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;
}