C++ (Cpp) devfreq_unregister_opp_notifier示例

示例#1

文件： exynos5_bus.c 项目： SeKwonLee/Hongik_NECSST_Tizen2.2_kernel

static void exynos5_int_exit(struct device *dev)
{
	struct platform_device *pdev = container_of(dev, struct platform_device,
						    dev);
	struct busfreq_data_int *data = platform_get_drvdata(pdev);

	devfreq_unregister_opp_notifier(dev, data->devfreq);
}

示例#2

文件： mali_kbase_devfreq.c 项目： GAXUSXX/G935FGaXusKernel2

void kbase_devfreq_term(struct kbase_device *kbdev)
{
	int err;

	dev_dbg(kbdev->dev, "Term Mali devfreq\n");

#ifdef CONFIG_DEVFREQ_THERMAL
	devfreq_cooling_unregister(kbdev->devfreq_cooling);
#endif

	devfreq_unregister_opp_notifier(kbdev->dev, kbdev->devfreq);

	err = devfreq_remove_device(kbdev->devfreq);
	if (err)
		dev_err(kbdev->dev, "Failed to terminate devfreq (%d)\n", err);
	else
		kbdev->devfreq = NULL;
}

示例#3

文件： mali_kbase_devfreq.c 项目： HuaweiHonor4C/kernel_hi6210sft_mm

int kbase_devfreq_init(struct kbase_device *kbdev)
{
	struct devfreq_dev_profile *dp;
	int err;

	dev_dbg(kbdev->dev, "Init Mali devfreq\n");

	if (!kbdev->clock)
		return -ENODEV;

	dp = &kbdev->devfreq_profile;

	dp->initial_freq = clk_get_rate(kbdev->clock);
	dp->polling_ms = 1000;
	dp->target = kbase_devfreq_target;
	dp->get_dev_status = kbase_devfreq_status;
	dp->get_cur_freq = kbase_devfreq_cur_freq;
	dp->exit = kbase_devfreq_exit;

	if (kbase_devfreq_init_freq_table(kbdev, dp))
		return -EFAULT;

	kbdev->devfreq = devfreq_add_device(kbdev->dev, dp,
				"simple_ondemand", NULL);
	if (IS_ERR_OR_NULL(kbdev->devfreq)) {
		kbase_devfreq_term_freq_table(kbdev);
		return PTR_ERR(kbdev->devfreq);
	}

	err = devfreq_register_opp_notifier(kbdev->dev, kbdev->devfreq);
	if (err) {
		dev_err(kbdev->dev,
			"Failed to register OPP notifier (%d)\n", err);
		goto opp_notifier_failed;
	}

#ifdef CONFIG_DEVFREQ_THERMAL
	kbdev->devfreq_cooling = of_devfreq_cooling_register(
						kbdev->dev->of_node,
						kbdev->devfreq);
	if (IS_ERR_OR_NULL(kbdev->devfreq_cooling)) {
		err = PTR_ERR(kbdev->devfreq_cooling);
		dev_err(kbdev->dev,
			"Failed to register cooling device (%d)\n", err);
		goto cooling_failed;
	}

#ifdef CONFIG_MALI_POWER_ACTOR
	err = mali_pa_init(kbdev);
	if (err) {
		dev_err(kbdev->dev, "Failed to init power actor\n");
		goto pa_failed;
	}
#endif
#endif

	return 0;

#ifdef CONFIG_DEVFREQ_THERMAL
#ifdef CONFIG_MALI_POWER_ACTOR
pa_failed:
	devfreq_cooling_unregister(kbdev->devfreq_cooling);
#endif /* CONFIG_MALI_POWER_ACTOR */
cooling_failed:
	devfreq_unregister_opp_notifier(kbdev->dev, kbdev->devfreq);
#endif /* CONFIG_DEVFREQ_THERMAL */
opp_notifier_failed:
	err = devfreq_remove_device(kbdev->devfreq);
	if (err)
		dev_err(kbdev->dev, "Failed to terminate devfreq (%d)\n", err);
	else
		kbdev->devfreq = NULL;

	return err;
}