Ejemplos de acpi_processor_setup_cpuidle_cx en C++ (Cpp)

Ejemplo n.º 1

Archivo: processor_idle.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

int acpi_processor_hotplug(struct acpi_processor *pr)
{
	int ret = 0;

	if (disabled_by_idle_boot_param())
		return 0;

	if (!pr)
		return -EINVAL;

	if (nocst) {
		return -ENODEV;
	}

	if (!pr->flags.power_setup_done)
		return -ENODEV;

	cpuidle_pause_and_lock();
	cpuidle_disable_device(&pr->power.dev);
	acpi_processor_get_power_info(pr);
	if (pr->flags.power) {
		acpi_processor_setup_cpuidle_cx(pr);
		ret = cpuidle_enable_device(&pr->power.dev);
	}
	cpuidle_resume_and_unlock();

	return ret;
}

Ejemplo n.º 2

Archivo: processor_idle.c Proyecto: magarto/linux-rpi-grsecurity

int acpi_processor_hotplug(struct acpi_processor *pr)
{
	int ret = 0;
	struct cpuidle_device *dev;

	if (disabled_by_idle_boot_param())
		return 0;

	if (nocst)
		return -ENODEV;

	if (!pr->flags.power_setup_done)
		return -ENODEV;

	dev = per_cpu(acpi_cpuidle_device, pr->id);
	cpuidle_pause_and_lock();
	cpuidle_disable_device(dev);
	acpi_processor_get_power_info(pr);
	if (pr->flags.power) {
		acpi_processor_setup_cpuidle_cx(pr, dev);
		ret = cpuidle_enable_device(dev);
	}
	cpuidle_resume_and_unlock();

	return ret;
}

Ejemplo n.º 3

Archivo: processor_idle.c Proyecto: AndroidGX/SimpleGX-L-5.0.2_BOD6_G901F

int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
	int cpu;
	struct acpi_processor *_pr;
	struct cpuidle_device *dev;

	if (disabled_by_idle_boot_param())
		return 0;

	if (!pr)
		return -EINVAL;

	if (nocst)
		return -ENODEV;

	if (!pr->flags.power_setup_done)
		return -ENODEV;

	/*
	 * FIXME:  Design the ACPI notification to make it once per
	 * system instead of once per-cpu.  This condition is a hack
	 * to make the code that updates C-States be called once.
	 */

	if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {

		cpuidle_pause_and_lock();
		/* Protect against cpu-hotplug */
		get_online_cpus();

		/* Disable all cpuidle devices */
		for_each_online_cpu(cpu) {
			_pr = per_cpu(processors, cpu);
			if (!_pr || !_pr->flags.power_setup_done)
				continue;
			dev = per_cpu(acpi_cpuidle_device, cpu);
			cpuidle_disable_device(dev);
		}

		/* Populate Updated C-state information */
		acpi_processor_get_power_info(pr);
		acpi_processor_setup_cpuidle_states(pr);

		/* Enable all cpuidle devices */
		for_each_online_cpu(cpu) {
			_pr = per_cpu(processors, cpu);
			if (!_pr || !_pr->flags.power_setup_done)
				continue;
			acpi_processor_get_power_info(_pr);
			if (_pr->flags.power) {
				dev = per_cpu(acpi_cpuidle_device, cpu);
				acpi_processor_setup_cpuidle_cx(_pr, dev);
				cpuidle_enable_device(dev);
			}
		}
		put_online_cpus();
		cpuidle_resume_and_unlock();
	}

Ejemplo n.º 4

Archivo: processor_idle.c Proyecto: AlexShiLucky/linux

/**
 * acpi_processor_setup_cpuidle_dev - prepares and configures CPUIDLE
 * device i.e. per-cpu data
 *
 * @pr: the ACPI processor
 * @dev : the cpuidle device
 */
static int acpi_processor_setup_cpuidle_dev(struct acpi_processor *pr,
					    struct cpuidle_device *dev)
{
	if (!pr->flags.power_setup_done || !pr->flags.power || !dev)
		return -EINVAL;

	dev->cpu = pr->id;
	if (pr->flags.has_lpi)
		return acpi_processor_ffh_lpi_probe(pr->id);

	return acpi_processor_setup_cpuidle_cx(pr, dev);
}

Ejemplo n.º 5

Archivo: processor_idle.c Proyecto: DirtyDroidX/android_kernel_htc_m8ul

int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
	int cpu;
	struct acpi_processor *_pr;

	if (disabled_by_idle_boot_param())
		return 0;

	if (!pr)
		return -EINVAL;

	if (nocst)
		return -ENODEV;

	if (!pr->flags.power_setup_done)
		return -ENODEV;


	if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) {

		cpuidle_pause_and_lock();
		
		get_online_cpus();

		
		for_each_online_cpu(cpu) {
			_pr = per_cpu(processors, cpu);
			if (!_pr || !_pr->flags.power_setup_done)
				continue;
			cpuidle_disable_device(&_pr->power.dev);
		}

		
		acpi_processor_setup_cpuidle_states(pr);

		
		for_each_online_cpu(cpu) {
			_pr = per_cpu(processors, cpu);
			if (!_pr || !_pr->flags.power_setup_done)
				continue;
			acpi_processor_get_power_info(_pr);
			if (_pr->flags.power) {
				acpi_processor_setup_cpuidle_cx(_pr);
				cpuidle_enable_device(&_pr->power.dev);
			}
		}
		put_online_cpus();
		cpuidle_resume_and_unlock();
	}