C++ (Cpp) acpi_bus_detach_private_data示例

示例#1

文件： i2c-acpi.c 项目： mikuhatsune001/linux2.6.32

int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
{
	acpi_handle handle = ACPI_HANDLE(adapter->dev.parent);
	struct acpi_i2c_handler_data *data;
	acpi_status status;

	if (!handle)
		return -ENODEV;

	data = kzalloc(sizeof(struct acpi_i2c_handler_data),
			    GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->adapter = adapter;
	status = acpi_bus_attach_private_data(handle, (void *)data);
	if (ACPI_FAILURE(status)) {
		kfree(data);
		return -ENOMEM;
	}

	status = acpi_install_address_space_handler(handle,
				ACPI_ADR_SPACE_GSBUS,
				&acpi_i2c_space_handler,
				NULL,
				data);
	if (ACPI_FAILURE(status)) {
		dev_err(&adapter->dev, "Error installing i2c space handler\n");
		acpi_bus_detach_private_data(handle);
		kfree(data);
		return -ENOMEM;
	}

	return 0;
}

示例#2

文件： thermal.c 项目： sjp38/linux.doc_trans_membarrier

static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)
{
	sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone");
	sysfs_remove_link(&tz->thermal_zone->device.kobj, "device");
	thermal_zone_device_unregister(tz->thermal_zone);
	tz->thermal_zone = NULL;
	acpi_bus_detach_private_data(tz->device->handle);
}

示例#3

文件： i2c-acpi.c 项目： mikuhatsune001/linux2.6.32

void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
{
	acpi_handle handle = ACPI_HANDLE(adapter->dev.parent);
	struct acpi_i2c_handler_data *data;
	acpi_status status;

	if (!handle)
		return;

	acpi_remove_address_space_handler(handle,
				ACPI_ADR_SPACE_GSBUS,
				&acpi_i2c_space_handler);

	status = acpi_bus_get_private_data(handle, (void **)&data);
	if (ACPI_SUCCESS(status))
		kfree(data);

	acpi_bus_detach_private_data(handle);
}