C++ pm_wakeup_pending函数代码示例

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本文整理汇总了C++中pm_wakeup_pending函数的典型用法代码示例。如果您正苦于以下问题：C++ pm_wakeup_pending函数的具体用法？C++ pm_wakeup_pending怎么用？C++ pm_wakeup_pending使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了pm_wakeup_pending函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: suspend_enter

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	int error;

	if (suspend_ops->prepare) {
		error = suspend_ops->prepare();
		if (error)
			goto Platform_finish;
	}

	error = dpm_suspend_end(PMSG_SUSPEND);
	if (error) {
		printk(KERN_ERR "PM: Some devices failed to power down\n");
		goto Platform_finish;
	}

	if (suspend_ops->prepare_late) {
		error = suspend_ops->prepare_late();
		if (error)
			goto Platform_wake;
	}

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS))
		goto Enable_cpus;

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
			error = suspend_ops->enter(state);
			events_check_enabled = false;
		}
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	if (suspend_ops->wake)
		suspend_ops->wake();

	dpm_resume_start(PMSG_RESUME);

 Platform_finish:
	if (suspend_ops->finish)
		suspend_ops->finish();

	return error;
}

开发者ID:happyhere，项目名称:802Xtreem，代码行数:67，代码来源:suspend.c

示例2: s2idle_loop

static void s2idle_loop(void)
{
	pm_pr_dbg("suspend-to-idle\n");

	for (;;) {
		int error;

		dpm_noirq_begin();

		/*
		 * Suspend-to-idle equals
		 * frozen processes + suspended devices + idle processors.
		 * Thus s2idle_enter() should be called right after
		 * all devices have been suspended.
		 *
		 * Wakeups during the noirq suspend of devices may be spurious,
		 * so prevent them from terminating the loop right away.
		 */
		error = dpm_noirq_suspend_devices(PMSG_SUSPEND);
		if (!error)
			s2idle_enter();
		else if (error == -EBUSY && pm_wakeup_pending())
			error = 0;

		if (!error && s2idle_ops && s2idle_ops->wake)
			s2idle_ops->wake();

		dpm_noirq_resume_devices(PMSG_RESUME);

		dpm_noirq_end();

		if (error)
			break;

		if (s2idle_ops && s2idle_ops->sync)
			s2idle_ops->sync();

		if (pm_wakeup_pending())
			break;

		pm_wakeup_clear(false);
	}

	pm_pr_dbg("resume from suspend-to-idle\n");
}

开发者ID:guribe94，项目名称:linux，代码行数:45，代码来源:suspend.c

示例3: suspend_enter

/**
 *	suspend_enter - enter the desired system sleep state.
 *	@state:		state to enter
 *
 *	This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state)
{
	int error;

	if (suspend_ops->prepare) {
		error = suspend_ops->prepare();
		if (error)
			goto Platform_finish;
	}

	error = dpm_suspend_noirq(PMSG_SUSPEND);
	if (error) {
;
		goto Platform_finish;
	}

	if (suspend_ops->prepare_late) {
		error = suspend_ops->prepare_late();
		if (error)
			goto Platform_wake;
	}

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;


	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS))
		goto Platform_wake;

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) {
			error = suspend_ops->enter(state);
			events_check_enabled = false;
		}
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Platform_wake:
	if (suspend_ops->wake)
		suspend_ops->wake();

	dpm_resume_noirq(PMSG_RESUME);

 Platform_finish:
	if (suspend_ops->finish)
		suspend_ops->finish();

	return error;
}

开发者ID:rrowicki，项目名称:Chrono_Kernel-1，代码行数:63，代码来源:suspend.c

示例4: check_sys_sync

static bool check_sys_sync(void)
{
	while (!wait_for_completion_timeout(&suspend_sync_complete,
		HZ / 5)) {
		if (pm_wakeup_pending())
			return false;
		/* If sys_sync is doing, and no wakeup pending,
		 * we can try in loop to wait sys_sync() finish.
		 */
	}

	return true;
}

开发者ID:AirShark，项目名称:android_kernel_lenovo_redhookbay，代码行数:13，代码来源:suspend.c

示例5: syscore_suspend

/**
 * syscore_suspend - Execute all the registered system core suspend callbacks.
 *
 * This function is executed with one CPU on-line and disabled interrupts.
 */
int syscore_suspend(void)
{
	struct syscore_ops *ops;
	int ret = 0;

	trace_suspend_resume(TPS("syscore_suspend"), 0, true);
	pr_debug("Checking wakeup interrupts\n");

	/* Return error code if there are any wakeup interrupts pending. */
	if (pm_wakeup_pending())
		return -EBUSY;

	WARN_ONCE(!irqs_disabled(),
		"Interrupts enabled before system core suspend.\n");

	list_for_each_entry_reverse(ops, &syscore_ops_list, node)
		if (ops->suspend) {
			if (initcall_debug)
				pr_info("PM: Calling %pF\n", ops->suspend);
			ret = ops->suspend();
			if (ret)
				goto err_out;
			WARN_ONCE(!irqs_disabled(),
				"Interrupts enabled after %pF\n", ops->suspend);
		}

	trace_suspend_resume(TPS("syscore_suspend"), 0, false);
	return 0;

 err_out:
	pr_err("PM: System core suspend callback %pF failed.\n", ops->suspend);

	list_for_each_entry_continue(ops, &syscore_ops_list, node)
		if (ops->resume)
			ops->resume();

	return ret;
}

开发者ID:magarto，项目名称:linux-rpi-grsecurity，代码行数:43，代码来源:syscore.c

示例6: suspend_enter

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	char suspend_abort[MAX_SUSPEND_ABORT_LEN];
	int error, last_dev;

	error = platform_suspend_prepare(state);
	if (error)
		goto Platform_finish;

	error = dpm_suspend_late(PMSG_SUSPEND);
	if (error) {
		last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
		last_dev %= REC_FAILED_NUM;
		printk(KERN_ERR "PM: late suspend of devices failed\n");
		log_suspend_abort_reason("%s device failed to power down",
			suspend_stats.failed_devs[last_dev]);
		goto Platform_finish;
	}
	error = platform_suspend_prepare_late(state);
	if (error)
		goto Devices_early_resume;

	error = dpm_suspend_noirq(PMSG_SUSPEND);
	if (error) {
		last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
		last_dev %= REC_FAILED_NUM;
		printk(KERN_ERR "PM: noirq suspend of devices failed\n");
		log_suspend_abort_reason("noirq suspend of %s device failed",
			suspend_stats.failed_devs[last_dev]);
		goto Platform_early_resume;
	}
	error = platform_suspend_prepare_noirq(state);
	if (error)
		goto Platform_wake;

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	/*
	 * PM_SUSPEND_FREEZE equals
	 * frozen processes + suspended devices + idle processors.
	 * Thus we should invoke freeze_enter() soon after
	 * all the devices are suspended.
	 */
	if (state == PM_SUSPEND_FREEZE) {
		trace_suspend_resume(TPS("machine_suspend"), state, true);
		freeze_enter();
		trace_suspend_resume(TPS("machine_suspend"), state, false);
		goto Platform_wake;
	}

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS)) {
		log_suspend_abort_reason("Disabling non-boot cpus failed");
		goto Enable_cpus;
	}

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
			trace_suspend_resume(TPS("machine_suspend"),
				state, true);
			error = suspend_ops->enter(state);
			trace_suspend_resume(TPS("machine_suspend"),
				state, false);
			events_check_enabled = false;
		} else if (*wakeup) {
			pm_get_active_wakeup_sources(suspend_abort,
				MAX_SUSPEND_ABORT_LEN);
			log_suspend_abort_reason(suspend_abort);
			error = -EBUSY;
		}
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	platform_resume_noirq(state);
	dpm_resume_noirq(PMSG_RESUME);

 Platform_early_resume:
	platform_resume_early(state);

 Devices_early_resume:
//.........这里部分代码省略.........

开发者ID:GAXUSXX，项目名称:G935FGaXusKernel2，代码行数:101，代码来源:suspend.c

示例7: toi_go_atomic


//.........这里部分代码省略.........
		if (dpm_prepare(PMSG_FREEZE)) {
			set_abort_result(TOI_DPM_PREPARE_FAILED);
			dpm_complete(PMSG_RECOVER);
			toi_end_atomic(ATOMIC_STEP_PLATFORM_END, suspend_time, 3);
			hib_log("FAILED @line:%d suspend(%d) pm_state(%d)\n", __LINE__,
				suspend_time, state.event);
			return 1;
		}
	}

	suspend_console();
	ftrace_stop();
	pm_restrict_gfp_mask();

	if (suspend_time) {
#if 0				/* FIXME: jonathan.jmchen: trick code here to let dpm_suspend succeeded, NEED to find out the root cause!! */
		if (events_check_enabled) {
			hib_log("play trick here set events_check_enabled(%d) = false!!\n",
				events_check_enabled);
			events_check_enabled = false;
		}
#endif
		if (dpm_suspend(state)) {
			set_abort_result(TOI_DPM_SUSPEND_FAILED);
			toi_end_atomic(ATOMIC_STEP_DEVICE_RESUME, suspend_time, 3);
			hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n",
				__LINE__, suspend_time, state.event, toi_result);
			return 1;
		}
	} else {
		if (dpm_suspend_start(state)) {
			set_abort_result(TOI_DPM_SUSPEND_FAILED);
			toi_end_atomic(ATOMIC_STEP_DEVICE_RESUME, suspend_time, 3);
			hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n",
				__LINE__, suspend_time, state.event, toi_result);
			return 1;
		}
	}

	/* At this point, dpm_suspend_start() has been called, but *not*
	 * dpm_suspend_noirq(). We *must* dpm_suspend_noirq() now.
	 * Otherwise, drivers for some devices (e.g. interrupt controllers)
	 * become desynchronized with the actual state of the hardware
	 * at resume time, and evil weirdness ensues.
	 */

	if (dpm_suspend_end(state)) {
		set_abort_result(TOI_DEVICE_REFUSED);
		toi_end_atomic(ATOMIC_STEP_DEVICE_RESUME, suspend_time, 1);
		hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n", __LINE__,
			suspend_time, state.event, toi_result);
		return 1;
	}

	if (suspend_time) {
		if (platform_pre_snapshot(1))
			set_abort_result(TOI_PRE_SNAPSHOT_FAILED);
	} else {
		if (platform_pre_restore(1))
			set_abort_result(TOI_PRE_RESTORE_FAILED);
	}

	if (test_result_state(TOI_ABORTED)) {
		toi_end_atomic(ATOMIC_STEP_PLATFORM_FINISH, suspend_time, 1);
		hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n", __LINE__,
			suspend_time, state.event, toi_result);
		return 1;
	}

	if (test_action_state(TOI_LATE_CPU_HOTPLUG)) {
		if (disable_nonboot_cpus()) {
			set_abort_result(TOI_CPU_HOTPLUG_FAILED);
			toi_end_atomic(ATOMIC_STEP_CPU_HOTPLUG, suspend_time, 1);
			hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n",
				__LINE__, suspend_time, state.event, toi_result);
			return 1;
		}
	}

	local_irq_disable();

	if (syscore_suspend()) {
		set_abort_result(TOI_SYSCORE_REFUSED);
		toi_end_atomic(ATOMIC_STEP_IRQS, suspend_time, 1);
		hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n", __LINE__,
			suspend_time, state.event, toi_result);
		return 1;
	}

	if (suspend_time && pm_wakeup_pending()) {
		set_abort_result(TOI_WAKEUP_EVENT);
		toi_end_atomic(ATOMIC_STEP_SYSCORE_RESUME, suspend_time, 1);
		hib_log("FAILED @line:%d suspend(%d) pm_state(%d) toi_result(0x%#lx)\n", __LINE__,
			suspend_time, state.event, toi_result);
		return 1;
	}
	hib_log("SUCCEEDED @line:%d suspend(%d) pm_state(%d)\n", __LINE__, suspend_time,
		state.event);
	return 0;
}

开发者ID:AudioGod，项目名称:MediaTek-HelioX10-Kernel，代码行数:101，代码来源:tuxonice_atomic_copy.c

示例8: regulator_suspend_dump

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
#ifdef VENDOR_EDIT
extern void regulator_suspend_dump(void);
extern void pinctrl_suspend_dump(void);
#endif /* VENDOR_EDIT */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	char suspend_abort[MAX_SUSPEND_ABORT_LEN];
	int error, last_dev;

	if (need_suspend_ops(state) && suspend_ops->prepare) {
		error = suspend_ops->prepare();
		if (error)
			goto Platform_finish;
	}

	error = dpm_suspend_end(PMSG_SUSPEND);
	if (error) {
		last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
		last_dev %= REC_FAILED_NUM;
		printk(KERN_ERR "PM: Some devices failed to power down\n");
		log_suspend_abort_reason("%s device failed to power down",
			suspend_stats.failed_devs[last_dev]);
		goto Platform_finish;
	}

	if (need_suspend_ops(state) && suspend_ops->prepare_late) {
		error = suspend_ops->prepare_late();
		if (error)
			goto Platform_wake;
	}

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	/*
	 * PM_SUSPEND_FREEZE equals
	 * frozen processes + suspended devices + idle processors.
	 * Thus we should invoke freeze_enter() soon after
	 * all the devices are suspended.
	 */
	if (state == PM_SUSPEND_FREEZE) {
		freeze_enter();
		goto Platform_wake;
	}

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS)) {
		log_suspend_abort_reason("Disabling non-boot cpus failed");
		goto Enable_cpus;
	}

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
#ifdef VENDOR_EDIT
			regulator_suspend_dump();
			pinctrl_suspend_dump();
#endif /* VENDOR_EDIT */
			error = suspend_ops->enter(state);
			events_check_enabled = false;
		} else if (*wakeup) {
			pm_get_active_wakeup_sources(suspend_abort,
				MAX_SUSPEND_ABORT_LEN);
			log_suspend_abort_reason(suspend_abort);
			error = -EBUSY;
		}

		start_logging_wakeup_reasons();
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	if (need_suspend_ops(state) && suspend_ops->wake)
		suspend_ops->wake();

	dpm_resume_start(PMSG_RESUME);

 Platform_finish:
	if (need_suspend_ops(state) && suspend_ops->finish)
		suspend_ops->finish();

	return error;
}

开发者ID:benschhold，项目名称:android_kernel_oneplus_msm8994_custom，代码行数:100，代码来源:suspend.c

示例9: suspend_enter

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	int error;

	error = platform_suspend_prepare(state);
	if (error)
		goto Platform_finish;

	error = dpm_suspend_late(PMSG_SUSPEND);
	if (error) {
		printk(KERN_ERR "PM: late suspend of devices failed\n");
		goto Platform_finish;
	}
	error = platform_suspend_prepare_late(state);
	if (error)
		goto Devices_early_resume;

	error = dpm_suspend_noirq(PMSG_SUSPEND);
	if (error) {
		printk(KERN_ERR "PM: noirq suspend of devices failed\n");
		goto Platform_early_resume;
	}
	error = platform_suspend_prepare_noirq(state);
	if (error)
		goto Platform_wake;

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	/*
	 * PM_SUSPEND_FREEZE equals
	 * frozen processes + suspended devices + idle processors.
	 * Thus we should invoke freeze_enter() soon after
	 * all the devices are suspended.
	 */
	if (state == PM_SUSPEND_FREEZE) {
		trace_suspend_resume(TPS("machine_suspend"), state, true);
		freeze_enter();
		trace_suspend_resume(TPS("machine_suspend"), state, false);
		goto Platform_wake;
	}

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS))
		goto Enable_cpus;

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
			trace_suspend_resume(TPS("machine_suspend"),
				state, true);
			error = suspend_ops->enter(state);
			trace_suspend_resume(TPS("machine_suspend"),
				state, false);
			events_check_enabled = false;
		}
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	platform_resume_noirq(state);
	dpm_resume_noirq(PMSG_RESUME);

 Platform_early_resume:
	platform_resume_early(state);

 Devices_early_resume:
	dpm_resume_early(PMSG_RESUME);

 Platform_finish:
	platform_resume_finish(state);
	return error;
}

开发者ID:19Dan01，项目名称:linux，代码行数:90，代码来源:suspend.c

示例10: create_image

static int create_image(int platform_mode)
{
	int error;

	error = arch_prepare_suspend();
	if (error)
		return error;

	/* At this point, dpm_suspend_start() has been called, but *not*
	 * dpm_suspend_noirq(). We *must* call dpm_suspend_noirq() now.
	 * Otherwise, drivers for some devices (e.g. interrupt controllers)
	 * become desynchronized with the actual state of the hardware
	 * at resume time, and evil weirdness ensues.
	 */
	error = dpm_suspend_noirq(PMSG_FREEZE);
	if (error) {
		printk(KERN_ERR "PM: Some devices failed to power down, "
			"aborting hibernation\n");
		return error;
	}

	error = platform_pre_snapshot(platform_mode);
	if (error || hibernation_test(TEST_PLATFORM))
		goto Platform_finish;

	error = disable_nonboot_cpus();
	if (error || hibernation_test(TEST_CPUS)
	    || hibernation_testmode(HIBERNATION_TEST))
		goto Enable_cpus;

	local_irq_disable();

	error = sysdev_suspend(PMSG_FREEZE);
	if (!error)
		error = syscore_suspend();
	if (error) {
		printk(KERN_ERR "PM: Some system devices failed to power down, "
			"aborting hibernation\n");
		goto Enable_irqs;
	}

	if (hibernation_test(TEST_CORE) || pm_wakeup_pending())
		goto Power_up;

	in_suspend = 1;
	save_processor_state();
	error = swsusp_arch_suspend();
	if (error)
		printk(KERN_ERR "PM: Error %d creating hibernation image\n",
			error);
	/* Restore control flow magically appears here */
	restore_processor_state();
	if (!in_suspend) {
		events_check_enabled = false;
		platform_leave(platform_mode);
	}

 Power_up:
	syscore_resume();
	sysdev_resume();
	/* NOTE:  dpm_resume_noirq() is just a resume() for devices
	 * that suspended with irqs off ... no overall powerup.
	 */

 Enable_irqs:
	local_irq_enable();

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_finish:
	platform_finish(platform_mode);

	dpm_resume_noirq(in_suspend ?
		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);

	return error;
}

开发者ID:AbheekG，项目名称:XIA-for-Linux，代码行数:78，代码来源:hibernate.c

示例11: suspend_enter

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	int error;

	if (need_suspend_ops(state) && suspend_ops->prepare) {
		error = suspend_ops->prepare();
		if (error)
			goto Platform_finish;
	}

	error = dpm_suspend_end(PMSG_SUSPEND);
	if (error) {
		printk(KERN_ERR "PM: Some devices failed to power down\n");
		goto Platform_finish;
	}

	if (need_suspend_ops(state) && suspend_ops->prepare_late) {
		error = suspend_ops->prepare_late();
		if (error)
			goto Platform_wake;
	}

	/*
	 * PM_SUSPEND_FREEZE equals
	 * frozen processes + suspended devices + idle processors.
	 * Thus we should invoke freeze_enter() soon after
	 * all the devices are suspended.
	 */
	if (state == PM_SUSPEND_FREEZE) {
		freeze_enter();
		goto Platform_wake;
	}

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS))
		goto Enable_cpus;

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
			error = suspend_ops->enter(state);
			events_check_enabled = false;
		}
		syscore_resume();
	}

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	if (need_suspend_ops(state) && suspend_ops->wake)
		suspend_ops->wake();

	dpm_resume_start(PMSG_RESUME);

 Platform_finish:
	if (need_suspend_ops(state) && suspend_ops->finish)
		suspend_ops->finish();

	return error;
}

开发者ID:AiWinters，项目名称:linux，代码行数:78，代码来源:suspend.c

示例12: hibernation_platform_enter

/**
 * hibernation_platform_enter - Power off the system using the platform driver.
 */
int hibernation_platform_enter(void)
{
	int error;

	if (!hibernation_ops)
		return -ENOSYS;

	/*
	 * We have cancelled the power transition by running
	 * hibernation_ops->finish() before saving the image, so we should let
	 * the firmware know that we're going to enter the sleep state after all
	 */
	error = hibernation_ops->begin();
	if (error)
		goto Close;

	entering_platform_hibernation = true;
	suspend_console();
	error = dpm_suspend_start(PMSG_HIBERNATE);
	if (error) {
		if (hibernation_ops->recover)
			hibernation_ops->recover();
		goto Resume_devices;
	}

	error = dpm_suspend_end(PMSG_HIBERNATE);
	if (error)
		goto Resume_devices;

	error = hibernation_ops->prepare();
	if (error)
		goto Platform_finish;

	error = disable_nonboot_cpus();
	if (error)
		goto Enable_cpus;

	local_irq_disable();
	syscore_suspend();
	if (pm_wakeup_pending()) {
		error = -EAGAIN;
		goto Power_up;
	}

	hibernation_ops->enter();
	/* We should never get here */
	while (1);

 Power_up:
	syscore_resume();
	local_irq_enable();

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_finish:
	hibernation_ops->finish();

	dpm_resume_start(PMSG_RESTORE);

 Resume_devices:
	entering_platform_hibernation = false;
	dpm_resume_end(PMSG_RESTORE);
	resume_console();

 Close:
	hibernation_ops->end();

	return error;
}

开发者ID:mdamt，项目名称:linux，代码行数:73，代码来源:hibernate.c

示例13: create_image

/**
 * create_image - Create a hibernation image.
 * @platform_mode: Whether or not to use the platform driver.
 *
 * Execute device drivers' .freeze_noirq() callbacks, create a hibernation image
 * and execute the drivers' .thaw_noirq() callbacks.
 *
 * Control reappears in this routine after the subsequent restore.
 */
static int create_image(int platform_mode)
{
	int error;

	error = dpm_suspend_noirq(PMSG_FREEZE);
	if (error) {
		printk(KERN_ERR "PM: Some devices failed to power down, "
			"aborting hibernation\n");
		return error;
	}

	error = platform_pre_snapshot(platform_mode);
	if (error || hibernation_test(TEST_PLATFORM))
		goto Platform_finish;

	error = disable_nonboot_cpus();
	if (error || hibernation_test(TEST_CPUS)
	    || hibernation_testmode(HIBERNATION_TEST))
		goto Enable_cpus;

	local_irq_disable();

	error = syscore_suspend();
	if (error) {
		printk(KERN_ERR "PM: Some system devices failed to power down, "
			"aborting hibernation\n");
		goto Enable_irqs;
	}

	if (hibernation_test(TEST_CORE) || pm_wakeup_pending())
		goto Power_up;

	in_suspend = 1;
	save_processor_state();
	error = swsusp_arch_suspend();
	if (error)
		printk(KERN_ERR "PM: Error %d creating hibernation image\n",
			error);
	/* Restore control flow magically appears here */
	restore_processor_state();
	if (!in_suspend) {
		events_check_enabled = false;
		platform_leave(platform_mode);
	}

 Power_up:
	syscore_resume();

 Enable_irqs:
	local_irq_enable();

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_finish:
	platform_finish(platform_mode);

	dpm_resume_noirq(in_suspend ?
		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);

	return error;
}

开发者ID:JonnyH，项目名称:pandora-kernel，代码行数:71，代码来源:hibernate.c

示例14: try_to_freeze_tasks

static int try_to_freeze_tasks(bool user_only)
{
	struct task_struct *g, *p;
	struct task_struct *t = NULL;
	unsigned long end_time;
	unsigned int todo;
	bool wq_busy = false;
	struct timeval start, end;
	u64 elapsed_msecs64;
	unsigned int elapsed_msecs;
	bool wakeup = false;
	int sleep_usecs = USEC_PER_MSEC;

	do_gettimeofday(&start);

	end_time = jiffies + TIMEOUT;

	if (!user_only)
		freeze_workqueues_begin();

	while (true) {
		todo = 0;
		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (p == current || !freeze_task(p))
				continue;

			/*
			 * Now that we've done set_freeze_flag, don't
			 * perturb a task in TASK_STOPPED or TASK_TRACED.
			 * It is "frozen enough".  If the task does wake
			 * up, it will immediately call try_to_freeze.
			 *
			 * Because freeze_task() goes through p's scheduler lock, it's
			 * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING
			 * transition can't race with task state testing here.
			 */
			if (!task_is_stopped_or_traced(p) &&
			    !freezer_should_skip(p)) {
				todo++;
				t = p;
			}
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);

		if (!user_only) {
			wq_busy = freeze_workqueues_busy();
			todo += wq_busy;
		}

        if (!todo || time_after(jiffies, end_time))
			break;

		if (pm_wakeup_pending()) {
			wakeup = true;
			break;
		}

		/*
		 * We need to retry, but first give the freezing tasks some
		 * time to enter the refrigerator.  Start with an initial
		 * 1 ms sleep followed by exponential backoff until 8 ms.
		 */
		usleep_range(sleep_usecs / 2, sleep_usecs);
		if (sleep_usecs < 8 * USEC_PER_MSEC)
			sleep_usecs *= 2;
	}

	do_gettimeofday(&end);
	elapsed_msecs64 = timeval_to_ns(&end) - timeval_to_ns(&start);
	do_div(elapsed_msecs64, NSEC_PER_MSEC);
	elapsed_msecs = elapsed_msecs64;

	if (todo) {
		printk("\n");
		printk(KERN_ERR "Freezing of tasks %s after %d.%03d seconds "
		       "(%d tasks refusing to freeze, wq_busy=%d):\n",
		       wakeup ? "aborted" : "failed",
		       elapsed_msecs / 1000, elapsed_msecs % 1000,
		       todo - wq_busy, wq_busy);
		
		if (!wakeup) {
			read_lock(&tasklist_lock);
			do_each_thread(g, p) {
				if (p != current && !freezer_should_skip(p)
				    && freezing(p) && !frozen(p))
					sched_show_task(p);
			} while_each_thread(g, p);
			read_unlock(&tasklist_lock);
		}
	} else {

开发者ID:amadews，项目名称:j608_fly_4511，代码行数:91，代码来源:process.c

示例15: try_to_freeze_tasks

static int try_to_freeze_tasks(bool user_only)
{
	struct task_struct *g, *p;
#ifdef CONFIG_SEC_PM_DEBUG
	struct task_struct *q;
#endif
	unsigned long end_time;
	unsigned int todo;
	bool wq_busy = false;
	struct timeval start, end;
	u64 elapsed_msecs64;
	unsigned int elapsed_msecs;
	bool wakeup = false;
	int sleep_usecs = USEC_PER_MSEC;

	do_gettimeofday(&start);

	end_time = jiffies + msecs_to_jiffies(freeze_timeout_msecs);

	if (!user_only)
		freeze_workqueues_begin();

	while (true) {
		todo = 0;
		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (p == current || !freeze_task(p))
				continue;

			if (!freezer_should_skip(p)) {
				todo++;
#ifdef CONFIG_SEC_PM_DEBUG
				q = p;
#endif
			}
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);

		if (!user_only) {
			wq_busy = freeze_workqueues_busy();
			todo += wq_busy;
		}

		if (!todo || time_after(jiffies, end_time))
			break;

		if (pm_wakeup_pending()) {
			wakeup = true;
			break;
		}

		/*
		 * We need to retry, but first give the freezing tasks some
		 * time to enter the refrigerator.  Start with an initial
		 * 1 ms sleep followed by exponential backoff until 8 ms.
		 */
		usleep_range(sleep_usecs / 2, sleep_usecs);
		if (sleep_usecs < 8 * USEC_PER_MSEC)
			sleep_usecs *= 2;
	}

	do_gettimeofday(&end);
	elapsed_msecs64 = timeval_to_ns(&end) - timeval_to_ns(&start);
	do_div(elapsed_msecs64, NSEC_PER_MSEC);
	elapsed_msecs = elapsed_msecs64;

	if (todo) {
		printk("\n");
		printk(KERN_ERR "Freezing of tasks %s after %d.%03d seconds "
		       "(%d tasks refusing to freeze, wq_busy=%d):\n",
		       wakeup ? "aborted" : "failed",
		       elapsed_msecs / 1000, elapsed_msecs % 1000,
		       todo - wq_busy, wq_busy);

#ifdef CONFIG_SEC_PM_DEBUG
		if (wakeup) {
			printk(KERN_ERR "Freezing of %s aborted (%d) (%s)\n",
					user_only ? "user space " : "tasks ",
					q ? q->pid : 0, q ? q->comm : "NONE");
		}
#endif

		if (!wakeup) {
			read_lock(&tasklist_lock);
			do_each_thread(g, p) {
				if (p != current && !freezer_should_skip(p)
				    && freezing(p) && !frozen(p))
					sched_show_task(p);
			} while_each_thread(g, p);
			read_unlock(&tasklist_lock);
		}
	} else {

开发者ID:StarKissed，项目名称:Note-4-AEL-Kernel，代码行数:92，代码来源:process.c

示例16: try_to_freeze_tasks

static int try_to_freeze_tasks(bool user_only)
{
	struct task_struct *g, *p, *q;
	unsigned long end_time;
	unsigned int todo;
	bool wq_busy = false;
	struct timeval start, end;
	u64 elapsed_csecs64;
	unsigned int elapsed_csecs;
	bool wakeup = false;

	do_gettimeofday(&start);

	end_time = jiffies + TIMEOUT;

	if (!user_only)
		freeze_workqueues_begin();

	while (true) {
		todo = 0;
		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			cpu_relax();
			if (p == current || !freeze_task(p))
				continue;

			/*
			 * Now that we've done set_freeze_flag, don't
			 * perturb a task in TASK_STOPPED or TASK_TRACED.
			 * It is "frozen enough".  If the task does wake
			 * up, it will immediately call try_to_freeze.
			 *
			 * Because freeze_task() goes through p's scheduler lock, it's
			 * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING
			 * transition can't race with task state testing here.
			 */
			if (!task_is_stopped_or_traced(p) &&
			    !freezer_should_skip(p)) {
				todo++;
				q = p;
			}
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);

		if (!user_only) {
			wq_busy = freeze_workqueues_busy();
			todo += wq_busy;
		}

		if (!todo || time_after(jiffies, end_time))
			break;

		if (pm_wakeup_pending()) {
			wakeup = true;
			break;
		}

		/*
		 * We need to retry, but first give the freezing tasks some
		 * time to enter the regrigerator.
		 */
		msleep(10);
	}

开发者ID:mikebarr007，项目名称:BeastMode-Kernel-N900P，代码行数:63，代码来源:process.c

示例17: suspend_enter

/**
 * suspend_enter - Make the system enter the given sleep state.
 * @state: System sleep state to enter.
 * @wakeup: Returns information that the sleep state should not be re-entered.
 *
 * This function should be called after devices have been suspended.
 */
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
	int error;

#ifdef CONFIG_SEC_GPIO_DVS
	/************************ Caution !!! ****************************/
	/* This function must be located in appropriate SLEEP position
     * in accordance with the specification of each BB vendor.
     */
	/************************ Caution !!! ****************************/
	gpio_dvs_check_sleepgpio();
#ifdef SECGPIO_SLEEP_DEBUGGING
	/************************ Caution !!! ****************************/
	/* This func. must be located in an appropriate position for GPIO SLEEP debugging
     * in accordance with the specification of each BB vendor, and 
     * the func. must be called after calling the function "gpio_dvs_check_sleepgpio"
     */
	/************************ Caution !!! ****************************/
	gpio_dvs_set_sleepgpio();
#endif
#endif

	if (need_suspend_ops(state) && suspend_ops->prepare) {
		error = suspend_ops->prepare();
		if (error)
			goto Platform_finish;
	}

	error = dpm_suspend_end(PMSG_SUSPEND);
	if (error) {
		printk(KERN_ERR "PM: Some devices failed to power down\n");
		goto Platform_finish;
	}

	if (need_suspend_ops(state) && suspend_ops->prepare_late) {
		error = suspend_ops->prepare_late();
		if (error)
			goto Platform_wake;
	}

	if (suspend_test(TEST_PLATFORM))
		goto Platform_wake;

	/*
	 * PM_SUSPEND_FREEZE equals
	 * frozen processes + suspended devices + idle processors.
	 * Thus we should invoke freeze_enter() soon after
	 * all the devices are suspended.
	 */
	if (state == PM_SUSPEND_FREEZE) {
		freeze_enter();
		goto Platform_wake;
	}

	error = disable_nonboot_cpus();
	if (error || suspend_test(TEST_CPUS))
		goto Enable_cpus;

	arch_suspend_disable_irqs();
	BUG_ON(!irqs_disabled());

	error = syscore_suspend();
	if (!error) {
		*wakeup = pm_wakeup_pending();
		if (!(suspend_test(TEST_CORE) || *wakeup)) {
			error = suspend_ops->enter(state);
			events_check_enabled = false;
		}
		syscore_resume();
	}
#if defined(CONFIG_SEC_GPIO_DVS) && defined(SECGPIO_SLEEP_DEBUGGING)
	/************************ Caution !!! ****************************/
	/* This function must be located in an appropriate position
	 * to undo gpio SLEEP debugging setting when DUT wakes up.
	 * It should be implemented in accordance with the specification of each BB vendor.
	 */
	/************************ Caution !!! ****************************/
	gpio_dvs_undo_sleepgpio();
#endif

	arch_suspend_enable_irqs();
	BUG_ON(irqs_disabled());

 Enable_cpus:
	enable_nonboot_cpus();

 Platform_wake:
	if (need_suspend_ops(state) && suspend_ops->wake)
		suspend_ops->wake();

	dpm_resume_start(PMSG_RESUME);

 Platform_finish:
//.........这里部分代码省略.........

开发者ID:TheNikiz，项目名称:android_kernel_samsung_hawaii，代码行数:101，代码来源:suspend.c

示例18: try_to_freeze_tasks

static int try_to_freeze_tasks(bool user_only)
{
	struct task_struct *g, *p;
	unsigned long end_time;
	unsigned int todo;
	bool wq_busy = false;
	struct timeval start, end;
	u64 elapsed_msecs64;
	unsigned int elapsed_msecs;
	bool wakeup = false;
	int sleep_usecs = USEC_PER_MSEC;
	char suspend_abort[MAX_SUSPEND_ABORT_LEN];

	do_gettimeofday(&start);

	end_time = jiffies + msecs_to_jiffies(freeze_timeout_msecs);

	if (!user_only)
		freeze_workqueues_begin();

	while (true) {
		todo = 0;
		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (p == current || !freeze_task(p))
				continue;

			if (!freezer_should_skip(p))
				todo++;
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);

		if (!user_only) {
			wq_busy = freeze_workqueues_busy();
			todo += wq_busy;
		}

		if (!todo || time_after(jiffies, end_time))
			break;

		if (pm_wakeup_pending()) {
#ifndef CONFIG_UML
			pm_get_active_wakeup_sources(suspend_abort,
				MAX_SUSPEND_ABORT_LEN);
#endif
			log_suspend_abort_reason(suspend_abort);
			wakeup = true;
			break;
		}

		/*
		 * We need to retry, but first give the freezing tasks some
		 * time to enter the refrigerator.  Start with an initial
		 * 1 ms sleep followed by exponential backoff until 8 ms.
		 */
		usleep_range(sleep_usecs / 2, sleep_usecs);
		if (sleep_usecs < 8 * USEC_PER_MSEC)
			sleep_usecs *= 2;
	}

	do_gettimeofday(&end);
	elapsed_msecs64 = timeval_to_ns(&end) - timeval_to_ns(&start);
	do_div(elapsed_msecs64, NSEC_PER_MSEC);
	elapsed_msecs = elapsed_msecs64;

	if (wakeup) {
		printk("\n");
		printk(KERN_ERR "Freezing of tasks aborted after %d.%03d seconds",
		       elapsed_msecs / 1000, elapsed_msecs % 1000);
	} else if (todo) {
		printk("\n");
		printk(KERN_ERR "Freezing of tasks failed after %d.%03d seconds"
		       " (%d tasks refusing to freeze, wq_busy=%d):\n",
		       elapsed_msecs / 1000, elapsed_msecs % 1000,
		       todo - wq_busy, wq_busy);

		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (p != current && !freezer_should_skip(p)
			    && freezing(p) && !frozen(p))
				sched_show_task(p);
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);
	} else {

开发者ID:AICP，项目名称:kernel_moto_shamu，代码行数:84，代码来源:process.c

示例19: try_to_freeze_tasks

static int try_to_freeze_tasks(bool user_only)
{
	struct task_struct *g, *p;
	unsigned long end_time;
	unsigned int todo;
	bool wq_busy = false;
	struct timeval start, end;
	u64 elapsed_csecs64;
	unsigned int elapsed_csecs;
	bool wakeup = false;

	do_gettimeofday(&start);

	end_time = jiffies + TIMEOUT;

	if (!user_only)
		freeze_workqueues_begin();

	while (true) {
		todo = 0;
		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (p == current || !freeze_task(p))
				continue;

			/*
			 * Now that we've done set_freeze_flag, don't
			 * perturb a task in TASK_STOPPED or TASK_TRACED.
			 * It is "frozen enough".  If the task does wake
			 * up, it will immediately call try_to_freeze.
			 *
			 * Because freeze_task() goes through p's
			 * scheduler lock after setting TIF_FREEZE, it's
			 * guaranteed that either we see TASK_RUNNING or
			 * try_to_stop() after schedule() in ptrace/signal
			 * stop sees TIF_FREEZE.
			 */
			if (!task_is_stopped_or_traced(p) &&
			    !freezer_should_skip(p))
				todo++;
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);

		if (!user_only) {
			wq_busy = freeze_workqueues_busy();
			todo += wq_busy;
		}

		if (!todo || time_after(jiffies, end_time))
			break;

		if (pm_wakeup_pending()) {
			wakeup = true;
			break;
		}

		/*
		 * We need to retry, but first give the freezing tasks some
		 * time to enter the regrigerator.
		 */
		msleep(10);
	}

	do_gettimeofday(&end);
	elapsed_csecs64 = timeval_to_ns(&end) - timeval_to_ns(&start);
	do_div(elapsed_csecs64, NSEC_PER_SEC / 100);
	elapsed_csecs = elapsed_csecs64;

	if (todo) {
		printk("\n");
		printk(KERN_ERR "Freezing of tasks %s after %d.%02d seconds "
		       "(%d tasks refusing to freeze, wq_busy=%d):\n",
		       wakeup ? "aborted" : "failed",
		       elapsed_csecs / 100, elapsed_csecs % 100,
		       todo - wq_busy, wq_busy);

		read_lock(&tasklist_lock);
		do_each_thread(g, p) {
			if (!wakeup && !freezer_should_skip(p) &&
			    p != current && freezing(p) && !frozen(p))
				sched_show_task(p);
		} while_each_thread(g, p);
		read_unlock(&tasklist_lock);
	} else {

开发者ID:StefanPeter，项目名称:linux-2.6-guard，代码行数:84，代码来源:process.c

示例20: suspend_enter

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C++ pm_wakeup_pending函数代码示例

示例1: suspend_enter

示例2: s2idle_loop

示例3: suspend_enter

示例4: check_sys_sync

示例5: syscore_suspend

示例6: suspend_enter

示例7: toi_go_atomic

示例8: regulator_suspend_dump

示例9: suspend_enter

示例10: create_image

示例11: suspend_enter

示例12: hibernation_platform_enter

示例13: create_image

示例14: try_to_freeze_tasks

示例15: try_to_freeze_tasks

示例16: try_to_freeze_tasks

示例17: suspend_enter

示例18: try_to_freeze_tasks

示例19: try_to_freeze_tasks

示例20: suspend_enter

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