C++ (Cpp) pm_runtime_callbacks_presentの例

コード例 #1

ファイル: sysfs.c プロジェクト: BackupWildfireDEV/android_kernel_htc_msm8960-2

int dpm_sysfs_add(struct device *dev)
{
	int rc;

	rc = sysfs_create_group(&dev->kobj, &pm_attr_group);
	if (rc)
		return rc;

	if (pm_runtime_callbacks_present(dev)) {
		rc = sysfs_merge_group(&dev->kobj, &pm_runtime_attr_group);
		if (rc)
			goto err_out;
	}

	if (device_can_wakeup(dev)) {
		rc = sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group);
		if (rc) {
			if (pm_runtime_callbacks_present(dev))
				sysfs_unmerge_group(&dev->kobj,
						    &pm_runtime_attr_group);
			goto err_out;
		}
	}
	return 0;

 err_out:
	sysfs_remove_group(&dev->kobj, &pm_attr_group);
	return rc;
}

コード例 #2

ファイル: sysfs.c プロジェクト: ParrotSec/linux-psec

int dpm_sysfs_add(struct device *dev)
{
	int rc;

	rc = sysfs_create_group(&dev->kobj, &pm_attr_group);
	if (rc)
		return rc;

	if (pm_runtime_callbacks_present(dev)) {
		rc = sysfs_merge_group(&dev->kobj, &pm_runtime_attr_group);
		if (rc)
			goto err_out;
	}
	if (device_can_wakeup(dev)) {
		rc = sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group);
		if (rc)
			goto err_runtime;
	}
	if (dev->power.set_latency_tolerance) {
		rc = sysfs_merge_group(&dev->kobj,
				       &pm_qos_latency_tolerance_attr_group);
		if (rc)
			goto err_wakeup;
	}
	return 0;

 err_wakeup:
	sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group);
 err_runtime:
	sysfs_unmerge_group(&dev->kobj, &pm_runtime_attr_group);
 err_out:
	sysfs_remove_group(&dev->kobj, &pm_attr_group);
	return rc;
}