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C++ cpufreq_register_notifier函数代码示例

本文整理汇总了C++中cpufreq_register_notifier函数的典型用法代码示例。如果您正苦于以下问题：C++ cpufreq_register_notifier函数的具体用法？C++ cpufreq_register_notifier怎么用？C++ cpufreq_register_notifier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cpufreq_register_notifier函数的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: cpufreq_stats_init

static int __init cpufreq_stats_init(void)
{
	int ret;
	unsigned int cpu;

	spin_lock_init(&cpufreq_stats_lock);
	ret = cpufreq_register_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
	if (ret)
		return ret;

	ret = cpufreq_register_notifier(&notifier_trans_block,
				CPUFREQ_TRANSITION_NOTIFIER);
	if (ret) {
		cpufreq_unregister_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
		return ret;
	}

	register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
	for_each_online_cpu(cpu) {
		cpufreq_update_policy(cpu);
	}

	create_all_freq_table();
	ret = sysfs_create_file(cpufreq_global_kobject,
			&_attr_all_time_in_state.attr);
	if (ret)
		pr_warn("Error creating sysfs file for cpufreq stats\n");

	return 0;
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:32，代码来源:cpufreq_stats.c

示例2: cpufreq_stats_init

static int __init cpufreq_stats_init(void)
{
	int ret;
	unsigned int cpu;

	spin_lock_init(&cpufreq_stats_lock);
	ret = cpufreq_register_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
	if (ret)
		return ret;

	ret = cpufreq_register_notifier(&notifier_trans_block,
				CPUFREQ_TRANSITION_NOTIFIER);
	if (ret) {
		cpufreq_unregister_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
		return ret;
	}

	register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
	for_each_online_cpu(cpu) {
		cpufreq_update_policy(cpu);
	}

	ret = sysfs_create_group(cpufreq_global_kobject, &overall_stats_attr_group);

	return 0;
}
开发者ID:Yannicked，项目名称:htc-m7，代码行数:28，代码来源:cpufreq_stats.c

示例3: cpufreq_stats_init

static int __init cpufreq_stats_init(void)
{
	int ret;
	unsigned int cpu;

	spin_lock_init(&cpufreq_stats_lock);
	ret = cpufreq_register_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
	if (ret)
		return ret;

	for_each_online_cpu(cpu)
		cpufreq_stats_create_table(cpu);

	ret = cpufreq_register_notifier(&notifier_trans_block,
				CPUFREQ_TRANSITION_NOTIFIER);
	if (ret) {
		cpufreq_unregister_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
		for_each_online_cpu(cpu)
			cpufreq_stats_free_table(cpu);
		return ret;
	}

	create_all_freq_table();
	ret = cpufreq_sysfs_create_file(&_attr_all_time_in_state.attr);
	if (ret)
		pr_warn("Cannot create sysfs file for cpufreq stats\n");

	ret = cpufreq_sysfs_create_file(&_attr_current_in_state.attr);
	if (ret)
		pr_warn("Cannot create sysfs file for cpufreq current stats\n");

	return 0;
}
开发者ID:chrisc93，项目名称:android_kernel_bullhead，代码行数:35，代码来源:cpufreq_stats.c

示例4: cpufreq_stats_init

static int
__init cpufreq_stats_init(void)
{
	int ret;
	unsigned int cpu;

	spin_lock_init(&cpufreq_stats_lock);
	if ((ret = cpufreq_register_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER)))
		return ret;

	if ((ret = cpufreq_register_notifier(&notifier_trans_block,
				CPUFREQ_TRANSITION_NOTIFIER))) {
		cpufreq_unregister_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
		return ret;
	}

	register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
	for_each_online_cpu(cpu) {
		cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier,
				CPU_ONLINE, (void *)(long)cpu);
	}
	return 0;
}
开发者ID:ManiacTwister，项目名称:linux-hnd，代码行数:25，代码来源:cpufreq_stats.c

示例5: ltc3577_attach

static int ltc3577_attach( struct i2c_adapter *adap )
{
    struct ltc3577_i2c_driver	*driver = &ltc3577_driver;	/* YUCK! However no other way to get it. */
    int				rc;

    /* Now initialize the semaphore. */
    init_MUTEX( &ltc3577_register_cache_lock );

    /* Now initialize and register the client. */
    i2c_set_clientdata( &driver->client, driver );
    driver->client.adapter=adap;
    rc=i2c_attach_client( &driver->client );
    if( rc )
    {
        printk( KERN_ERR "LTC3577: Error registring i2C driver to device core. Aborting.\n" );
        return -ENODEV;
    }

    down( &ltc3577_register_cache_lock );

    /* Set PWM mode */
    ltc3577_set_swmode( ltc3577_write, LTC3577_PWM );

    if( rc < 0 )
    {
        printk( KERN_ERR "LTC3577: Error writing initial value to PMIC. Aborting.\n" );
        i2c_detach_client( &driver->client );
        up( &ltc3577_register_cache_lock );
        return -ENODEV;
    }

    /* Register the usbmode statechange listener. This will inform us when to change the */
    /* PMIC's settings. */
    if( IO_HaveUsbBusPowered() )
    {
        rc=add_usb_state_change_listener( ltc3577_state_change_listener, driver );
        if( rc != 0 )
        {
            printk( KERN_ERR "LTC3577: Can't register USBMODE change state listener. Aborting.\n" );
            i2c_detach_client( &driver->client );
            up( &ltc3577_register_cache_lock );
            return -ENODEV;
        }
    }

    atomic_set(&driver->suspended, 0);
    ltc3577_i2c_commit( &driver->client, ltc3577_write, NULL, 0);

    up( &ltc3577_register_cache_lock );

#if defined CONFIG_CPU_FREQ && (defined CONFIG_S3C24XX_DVS_CPUFREQ || defined S3C24XX_DFS_CPUFREQ)
    /* Register the CPUFREQ entries. These will set the right voltage when the frequency */
    /* changes. */
    cpufreq_register_notifier( &driver->freq_transition, CPUFREQ_TRANSITION_NOTIFIER );
    cpufreq_register_notifier( &driver->freq_policy, CPUFREQ_POLICY_NOTIFIER );
#endif

    /* Done initializing. */
    return 0;
}
开发者ID:kzlin129，项目名称:tt-gpl，代码行数:60，代码来源:ltc3577-pmic.c

示例6: cpufreq_stats_init

static int __init cpufreq_stats_init(void)
{
	int ret;
	unsigned int cpu;

	spin_lock_init(&cpufreq_stats_lock);
	ret = cpufreq_register_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
	if (ret)
		return ret;

	register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
	for_each_online_cpu(cpu)
		cpufreq_update_policy(cpu);

	ret = cpufreq_register_notifier(&notifier_trans_block,
				CPUFREQ_TRANSITION_NOTIFIER);
	if (ret) {
		cpufreq_unregister_notifier(&notifier_policy_block,
				CPUFREQ_POLICY_NOTIFIER);
		unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
		for_each_online_cpu(cpu)
			cpufreq_stats_free_table(cpu);
		return ret;
	}

	return 0;
}
开发者ID:Andiry，项目名称:pmfs，代码行数:28，代码来源:cpufreq_stats.c

示例7: pwm_cpufreq_notifier_register

static inline int pwm_cpufreq_notifier_register(struct pwm_device *p)
{
    p->freq_transition.notifier_call = pwm_freq_transition_notifier_cb;

    return cpufreq_register_notifier(&p->freq_transition,
                                     CPUFREQ_TRANSITION_NOTIFIER);
}
开发者ID:faisalomar，项目名称:linux-3.2.0，代码行数:7，代码来源:pwm.c

示例8: cpu_boost_init

static int cpu_boost_init(void)
{
	int cpu, ret;
	struct cpu_sync *s;

	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);

	cpu_boost_wq = alloc_workqueue("cpuboost_wq", WQ_HIGHPRI, 0);
	if (!cpu_boost_wq)
		return -EFAULT;

	INIT_WORK(&input_boost_work, do_input_boost);

	for_each_possible_cpu(cpu) {
		s = &per_cpu(sync_info, cpu);
		s->cpu = cpu;
		init_waitqueue_head(&s->sync_wq);
		spin_lock_init(&s->lock);
		INIT_DELAYED_WORK(&s->boost_rem, do_boost_rem);
		INIT_DELAYED_WORK(&s->input_boost_rem, do_input_boost_rem);
		s->thread = kthread_run(boost_mig_sync_thread, (void *)cpu,
					"boost_sync/%d", cpu);
#if defined(CONFIG_ARCH_MSM8974) || defined(CONFIG_ARCH_MSM8974PRO)
		kthread_bind(s->thread, cpu);
#endif
	}
	atomic_notifier_chain_register(&migration_notifier_head,
					&boost_migration_nb);

	ret = input_register_handler(&cpuboost_input_handler);
	return 0;
}
开发者ID:davidmueller13，项目名称:kernel_lt03lte_aospv2_5.1.1，代码行数:32，代码来源:cpu-boost.c

示例9: cpu_boost_init

static int cpu_boost_init(void)
{
	int cpu;
	struct cpu_sync *s;

	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);

	boost_rem_wq = alloc_workqueue("cpuboost_rem_wq", WQ_HIGHPRI, 0);
	if (!boost_rem_wq)
		return -EFAULT;

	for_each_possible_cpu(cpu) {
		s = &per_cpu(sync_info, cpu);
		s->cpu = cpu;
		init_waitqueue_head(&s->sync_wq);
		spin_lock_init(&s->lock);
		INIT_DELAYED_WORK(&s->boost_rem, do_boost_rem);
		s->thread = kthread_run(boost_mig_sync_thread, (void *)cpu,
					"boost_sync/%d", cpu);
	}
	atomic_notifier_chain_register(&migration_notifier_head,
					&boost_migration_nb);

	return 0;
}
开发者ID:Jeongduckho，项目名称:E250_KITKAT，代码行数:25，代码来源:cpu-boost.c

示例10: osiris_dvs_probe

static int osiris_dvs_probe(struct platform_device *pdev)
{
	int ret;

	dev_info(&pdev->dev, "initialising\n");

	ret = gpio_request(OSIRIS_GPIO_DVS, "osiris-dvs");
	if (ret) {
		dev_err(&pdev->dev, "cannot claim gpio\n");
		goto err_nogpio;
	}

	/* start with dvs disabled */
	gpio_direction_output(OSIRIS_GPIO_DVS, 1);

	ret = cpufreq_register_notifier(&osiris_dvs_nb,
					CPUFREQ_TRANSITION_NOTIFIER);
	if (ret) {
		dev_err(&pdev->dev, "failed to register with cpufreq\n");
		goto err_nofreq;
	}

	osiris_dvs_tps_setdvs(true);

	return 0;

err_nofreq:
	gpio_free(OSIRIS_GPIO_DVS);

err_nogpio:
	return ret;
}
开发者ID:01org，项目名称:KVMGT-kernel，代码行数:32，代码来源:mach-osiris-dvs.c

示例11: cpu_boost_init

static int cpu_boost_init(void)
{
	int cpu, ret;
	struct cpu_sync *s;

	cpu_boost_wq = alloc_workqueue("cpuboost_wq", WQ_HIGHPRI, 0);
	if (!cpu_boost_wq)
		return -EFAULT;

	INIT_WORK(&input_boost_work, do_input_boost);

	for_each_possible_cpu(cpu) {
		s = &per_cpu(sync_info, cpu);
		s->cpu = cpu;
		init_waitqueue_head(&s->sync_wq);
		atomic_set(&s->being_woken, 0);
		spin_lock_init(&s->lock);
		INIT_DELAYED_WORK(&s->boost_rem, do_boost_rem);
		INIT_DELAYED_WORK(&s->input_boost_rem, do_input_boost_rem);
		s->thread = kthread_run(boost_mig_sync_thread, (void *)cpu,
					"boost_sync/%d", cpu);
		set_cpus_allowed(s->thread, *cpumask_of(cpu));
	}
	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);
	atomic_notifier_chain_register(&migration_notifier_head,
					&boost_migration_nb);
	ret = input_register_handler(&cpuboost_input_handler);

	return 0;
}
开发者ID:itsmerajit，项目名称:kernel_otus，代码行数:30，代码来源:cpu-boost.c

示例12: cs_init

static int cs_init(struct dbs_data *dbs_data, bool notify)
{
	struct cs_dbs_tuners *tuners;

	tuners = kzalloc(sizeof(*tuners), GFP_KERNEL);
	if (!tuners) {
		pr_err("%s: kzalloc failed\n", __func__);
		return -ENOMEM;
	}

	tuners->up_threshold = DEF_FREQUENCY_UP_THRESHOLD;
	tuners->down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD;
	tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
	tuners->ignore_nice_load = 0;
	tuners->freq_step = DEF_FREQUENCY_STEP;

	dbs_data->tuners = tuners;
	dbs_data->min_sampling_rate = MIN_SAMPLING_RATE_RATIO *
		jiffies_to_usecs(10);

	if (notify)
		cpufreq_register_notifier(&cs_cpufreq_notifier_block,
					  CPUFREQ_TRANSITION_NOTIFIER);

	return 0;
}
开发者ID:DenisLug，项目名称:mptcp，代码行数:26，代码来源:cpufreq_conservative.c

示例13: cpu_boost_init

static int cpu_boost_init(void)
{
	int cpu, ret;
	struct cpu_sync *s;

	cpufreq_register_notifier(&boost_adjust_nb, CPUFREQ_POLICY_NOTIFIER);

	cpu_boost_wq = alloc_workqueue("cpuboost_wq", WQ_HIGHPRI, 0);
	if (!cpu_boost_wq)
		return -EFAULT;

	INIT_WORK(&input_boost_work, do_input_boost);

	for_each_possible_cpu(cpu) {
		s = &per_cpu(sync_info, cpu);
		s->cpu = cpu;
		spin_lock_init(&s->lock);
		INIT_DELAYED_WORK(&s->boost_rem, do_boost_rem);
		INIT_DELAYED_WORK(&s->input_boost_rem, do_input_boost_rem);
	}
	atomic_notifier_chain_register(&migration_notifier_head,
					&boost_migration_nb);

	ret = smpboot_register_percpu_thread(&cpuboost_threads);
	if (ret)
		pr_err("Cannot register cpuboost threads.\n");

	ret = input_register_handler(&cpuboost_input_handler);
	if (ret)
		pr_err("Cannot register cpuboost input handler.\n");

	return ret;
}
开发者ID:jfdsmabalot，项目名称:kernel_sony_msm8974，代码行数:33，代码来源:cpu-boost.c

示例14: twd_cpufreq_init

static int twd_cpufreq_init(void)
{
	if (!IS_ERR_OR_NULL(twd_clk))
		return cpufreq_register_notifier(&twd_cpufreq_nb,
			CPUFREQ_TRANSITION_NOTIFIER);

	return 0;
}
开发者ID:Borkata，项目名称:adam-nv-3.1，代码行数:8，代码来源:smp_twd.c

示例15: acpi_thermal_cpufreq_init

void acpi_thermal_cpufreq_init(void)
{
	int i;

	i = cpufreq_register_notifier(&acpi_thermal_cpufreq_notifier_block,
				      CPUFREQ_POLICY_NOTIFIER);
	if (!i)
		acpi_thermal_cpufreq_is_init = 1;
}
开发者ID:0x000000FF，项目名称:Linux4Edison，代码行数:9，代码来源:processor_thermal.c


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