C++ (Cpp) tegra_set_cpu_in_lp2 Examples

Example #1

File: cpuidle-tegra114.c Project: morogoku/SM-G930F

static int tegra114_idle_power_down(struct cpuidle_device *dev,
				    struct cpuidle_driver *drv,
				    int index)
{
	local_fiq_disable();

	tegra_set_cpu_in_lp2();
	cpu_pm_enter();

	clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &dev->cpu);

	call_firmware_op(prepare_idle);

	/* Do suspend by ourselves if the firmware does not implement it */
	if (call_firmware_op(do_idle) == -ENOSYS)
		cpu_suspend(0, tegra30_sleep_cpu_secondary_finish);

	clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &dev->cpu);

	cpu_pm_exit();
	tegra_clear_cpu_in_lp2();

	local_fiq_enable();

	return index;
}

Example #2

File: cpuidle-tegra30.c Project: 4atty/linux

static int __cpuinit tegra30_idle_lp2(struct cpuidle_device *dev,
				      struct cpuidle_driver *drv,
				      int index)
{
	u32 cpu = is_smp() ? cpu_logical_map(dev->cpu) : dev->cpu;
	bool entered_lp2 = false;
	bool last_cpu;

	local_fiq_disable();

	last_cpu = tegra_set_cpu_in_lp2(cpu);
	cpu_pm_enter();

	if (cpu == 0) {
		if (last_cpu)
			entered_lp2 = tegra30_cpu_cluster_power_down(dev, drv,
								     index);
		else
			cpu_do_idle();
	} else {
		entered_lp2 = tegra30_cpu_core_power_down(dev, drv, index);
	}

	cpu_pm_exit();
	tegra_clear_cpu_in_lp2(cpu);

	local_fiq_enable();

	smp_rmb();

	return (entered_lp2) ? index : 0;
}

Example #3

File: cpuidle-t2.c Project: 0709oNEY/at100-kernel

void tegra2_idle_lp2(struct cpuidle_device *dev,
			struct cpuidle_state *state)
{
	s64 request = ktime_to_us(tick_nohz_get_sleep_length());
	bool last_cpu = tegra_set_cpu_in_lp2(dev->cpu);

	cpu_pm_enter();

	if (dev->cpu == 0) {
		if (last_cpu) {
			if (tegra2_idle_lp2_cpu_0(dev, state, request) < 0) {
				int i;
				for_each_online_cpu(i) {
					if (i != dev->cpu)
						tegra2_wake_reset_cpu(i);
				}
			}
		} else {

Example #4

File: cpuidle-tegra114.c Project: FireBurn/linux

static int tegra114_idle_power_down(struct cpuidle_device *dev,
				    struct cpuidle_driver *drv,
				    int index)
{
	local_fiq_disable();

	tegra_set_cpu_in_lp2();
	cpu_pm_enter();

	call_firmware_op(prepare_idle, TF_PM_MODE_LP2_NOFLUSH_L2);

	/* Do suspend by ourselves if the firmware does not implement it */
	if (call_firmware_op(do_idle, 0) == -ENOSYS)
		cpu_suspend(0, tegra30_sleep_cpu_secondary_finish);

	cpu_pm_exit();
	tegra_clear_cpu_in_lp2();

	local_fiq_enable();

	return index;
}

Example #5

File: cpuidle-tegra114.c Project: crseanpaul/muon-catalyzed-fusion

static int tegra114_idle_power_down(struct cpuidle_device *dev,
				    struct cpuidle_driver *drv,
				    int index)
{
	local_fiq_disable();

	tegra_set_cpu_in_lp2();
	cpu_pm_enter();

	clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &dev->cpu);

	cpu_suspend(0, tegra30_sleep_cpu_secondary_finish);

	clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &dev->cpu);

	cpu_pm_exit();
	tegra_clear_cpu_in_lp2();

	local_fiq_enable();

	return index;
}

Example #6

File: pm.c Project: 1youhun1/linux

static int tegra_suspend_enter(suspend_state_t state)
{
	enum tegra_suspend_mode mode = tegra_pmc_get_suspend_mode();

	if (WARN_ON(mode < TEGRA_SUSPEND_NONE ||
		    mode >= TEGRA_MAX_SUSPEND_MODE))
		return -EINVAL;

	pr_info("Entering suspend state %s\n", lp_state[mode]);

	tegra_pmc_pm_set(mode);

	local_fiq_disable();

	suspend_cpu_complex();
	switch (mode) {
	case TEGRA_SUSPEND_LP2:
		tegra_set_cpu_in_lp2();
		break;
	default:
		break;
	}

	cpu_suspend(PHYS_OFFSET - PAGE_OFFSET, &tegra_sleep_cpu);

	switch (mode) {
	case TEGRA_SUSPEND_LP2:
		tegra_clear_cpu_in_lp2();
		break;
	default:
		break;
	}
	restore_cpu_complex();

	local_fiq_enable();

	return 0;
}

Example #7

File: cpuidle-tegra20.c Project: garyvan/openwrt-1.6

static int tegra20_idle_lp2_coupled(struct cpuidle_device *dev,
				    struct cpuidle_driver *drv,
				    int index)
{
	u32 cpu = is_smp() ? cpu_logical_map(dev->cpu) : dev->cpu;
	bool entered_lp2 = false;

	if (tegra_pending_sgi())
		ACCESS_ONCE_RW(abort_flag) = true;

	cpuidle_coupled_parallel_barrier(dev, &abort_barrier);

	if (abort_flag) {
		cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
		abort_flag = false;	/* clean flag for next coming */
		return -EINTR;
	}

	local_fiq_disable();

	tegra_set_cpu_in_lp2(cpu);
	cpu_pm_enter();

	if (cpu == 0)
		entered_lp2 = tegra20_cpu_cluster_power_down(dev, drv, index);
	else
		entered_lp2 = tegra20_idle_enter_lp2_cpu_1(dev, drv, index);

	cpu_pm_exit();
	tegra_clear_cpu_in_lp2(cpu);

	local_fiq_enable();

	smp_rmb();

	return entered_lp2 ? index : 0;
}