[5/6] acpi : remove 'usage' field in acpi_processor_cx

Message ID 1320969493-27292-6-git-send-email-daniel.lezcano@linaro.org
State New
Headers show

Commit Message

Daniel Lezcano Nov. 10, 2011, 11:58 p.m.
The usage field is incremented but the resulting value is never
used in the code.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/acpi/processor_idle.c |    5 -----
 include/acpi/processor.h      |    1 -
 2 files changed, 0 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 142af72..4b9ebd5 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -778,7 +778,6 @@  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;
@@ -858,8 +857,6 @@  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);
 	return index;
 }
@@ -983,8 +980,6 @@  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);
 	return index;
 }
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 46bcf79..bc3449a 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -60,7 +60,6 @@  struct acpi_processor_cx {
 	u8 index;
 	u32 latency;
 	u32 power;
-	u32 usage;
 	u8 bm_sts_skip;
 	char desc[ACPI_CX_DESC_LEN];
 };