cpuidle / ACPI: remove usage from acpi_processor_cx structure

Remove the usage field as it is not used.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

2 files changed, 0 insertions, 6 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index b0d2bbe59096..f355f1a1c211 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -760,7 +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;
@@ -863,8 +862,6 @@ 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);
         cx->time += idle_time;
         return index;
@@ -984,8 +981,6 @@ 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);
         cx->time += idle_time;
         return index;
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index a70cbcc8a054..022b2e8b82d0 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;
         u64 time;
         u8 bm_sts_skip;
         char desc[ACPI_CX_DESC_LEN];