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>

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index b0d2bbe59096f9ad838b680e57afe000a7800d5b..f355f1a1c2110a8806304904ebd5581907beed68 100644 (file)
--- 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 a70cbcc8a054175ea44170cdd5322292962bc4e3..022b2e8b82d081d5f57aa3690d0262a3f34ccac6 100644 (file)
--- 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];