Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md

Pull in pre-requisites for adding raid10 support to dm-raid.

1 files changed, 3 insertions, 40 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 47a8caa89db..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)
@@ -241,23 +237,15 @@ static void acpi_idle_bm_rld_restore(void)
 		acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, saved_bm_rld);
 }
 
-int acpi_processor_suspend(struct acpi_device * device, pm_message_t state)
+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 acpi_device * device)
+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;
 }