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-rw-r--r--drivers/acpi/acpica/hwsleep.c22
-rw-r--r--drivers/acpi/acpica/nspredef.c2
-rw-r--r--drivers/acpi/processor_core.c6
-rw-r--r--drivers/acpi/processor_driver.c7
-rw-r--r--drivers/acpi/processor_idle.c39
5 files changed, 6 insertions, 70 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 0ed85cac323..615996a36be 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -95,18 +95,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
return_ACPI_STATUS(status);
}
- if (sleep_state != ACPI_STATE_S5) {
- /*
- * Disable BM arbitration. This feature is contained within an
- * optional register (PM2 Control), so ignore a BAD_ADDRESS
- * exception.
- */
- status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1);
- if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
- return_ACPI_STATUS(status);
- }
- }
-
/*
* 1) Disable/Clear all GPEs
* 2) Enable all wakeup GPEs
@@ -364,16 +352,6 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags)
[ACPI_EVENT_POWER_BUTTON].
status_register_id, ACPI_CLEAR_STATUS);
- /*
- * Enable BM arbitration. This feature is contained within an
- * optional register (PM2 Control), so ignore a BAD_ADDRESS
- * exception.
- */
- status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0);
- if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
- return_ACPI_STATUS(status);
- }
-
acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index 23ce0968641..fe662603549 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -638,7 +638,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
/* Create the new outer package and populate it */
status =
- acpi_ns_wrap_with_package(data, *elements,
+ acpi_ns_wrap_with_package(data, return_object,
return_object_ptr);
if (ACPI_FAILURE(status)) {
return (status);
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index c850de4c9a1..eff722278ff 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -189,10 +189,12 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
* Processor (CPU3, 0x03, 0x00000410, 0x06) {}
* }
*
- * Ignores apic_id and always return 0 for CPU0's handle.
+ * Ignores apic_id and always returns 0 for the processor
+ * handle with acpi id 0 if nr_cpu_ids is 1.
+ * This should be the case if SMP tables are not found.
* Return -1 for other CPU's handle.
*/
- if (acpi_id == 0)
+ if (nr_cpu_ids <= 1 && acpi_id == 0)
return acpi_id;
else
return apic_id;
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 13103aeb0c4..7048b97853e 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -429,18 +429,11 @@ 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);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6d9ec3e0b52..e589c198524 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;
}