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Commit 85f1bb4a authored by Len Brown's avatar Len Brown
Browse files

Merge branch 'acpi-idle' into release

parents b42f5b0f bceefad5

drivers/acpi/processor_idle.c

+6 −11
Original line number Original line Diff line number Diff line
@@ -80,7 +80,7 @@ module_param(nocst, uint, 0000); 
static unsigned int latency_factor __read_mostly = 2;

static unsigned int latency_factor __read_mostly = 2;

module_param(latency_factor, uint, 0644);

module_param(latency_factor, uint, 0644);





static s64 us_to_pm_timer_ticks(s64 t)

static u64 us_to_pm_timer_ticks(s64 t)

{

{

	return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);

	return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);

}

}
@@ -731,10 +731,10 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) 




		seq_puts(seq, "demotion[--] ");

		seq_puts(seq, "demotion[--] ");





		seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n",

		seq_printf(seq, "latency[%03d] usage[%08d] duration[%020Lu]\n",

			   pr->power.states[i].latency,

			   pr->power.states[i].latency,

			   pr->power.states[i].usage,

			   pr->power.states[i].usage,

			   (unsigned long long)pr->power.states[i].time);

			   us_to_pm_timer_ticks(pr->power.states[i].time));

	}

	}





      end:

      end:
@@ -861,7 +861,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, 
	ktime_t  kt1, kt2;

	ktime_t  kt1, kt2;

	s64 idle_time_ns;

	s64 idle_time_ns;

	s64 idle_time;

	s64 idle_time;

	s64 sleep_ticks = 0;





	pr = __get_cpu_var(processors);

	pr = __get_cpu_var(processors);
@@ -906,8 +905,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, 
	idle_time = idle_time_ns;

	idle_time = idle_time_ns;

	do_div(idle_time, NSEC_PER_USEC);

	do_div(idle_time, NSEC_PER_USEC);





	sleep_ticks = us_to_pm_timer_ticks(idle_time);



	/* Tell the scheduler how much we idled: */

	/* Tell the scheduler how much we idled: */

	sched_clock_idle_wakeup_event(idle_time_ns);

	sched_clock_idle_wakeup_event(idle_time_ns);
@@ -918,7 +915,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, 
	cx->usage++;

	cx->usage++;





	lapic_timer_state_broadcast(pr, cx, 0);

	lapic_timer_state_broadcast(pr, cx, 0);

	cx->time += sleep_ticks;

	cx->time += idle_time;

	return idle_time;

	return idle_time;

}

}
@@ -940,7 +937,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, 
	ktime_t  kt1, kt2;

	ktime_t  kt1, kt2;

	s64 idle_time_ns;

	s64 idle_time_ns;

	s64 idle_time;

	s64 idle_time;

	s64 sleep_ticks = 0;









	pr = __get_cpu_var(processors);

	pr = __get_cpu_var(processors);
@@ -1022,11 +1018,10 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, 
		spin_unlock(&c3_lock);

		spin_unlock(&c3_lock);

	}

	}

	kt2 = ktime_get_real();

	kt2 = ktime_get_real();

	idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1));

	idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1));

	idle_time = idle_time_ns;

	idle_time = idle_time_ns;

	do_div(idle_time, NSEC_PER_USEC);

	do_div(idle_time, NSEC_PER_USEC);





	sleep_ticks = us_to_pm_timer_ticks(idle_time);

	/* Tell the scheduler how much we idled: */

	/* Tell the scheduler how much we idled: */

	sched_clock_idle_wakeup_event(idle_time_ns);

	sched_clock_idle_wakeup_event(idle_time_ns);
@@ -1037,7 +1032,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, 
	cx->usage++;

	cx->usage++;





	lapic_timer_state_broadcast(pr, cx, 0);

	lapic_timer_state_broadcast(pr, cx, 0);

	cx->time += sleep_ticks;

	cx->time += idle_time;

	return idle_time;

	return idle_time;

}

}