[pm:bleeding-edge 148/162] drivers/base/power/wakeup.c:271: undefined reference to `pm_suspend_target_state'

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
head:   b6c524b2e93b23a396a90031faa29350beeb95fc
commit: edd0afcd2eb853ee46a1509a1983b042a6b857f4 [148/162] PM / wakeup: Print warn if device gets enabled as wakeup source during sleep
config: i386-randconfig-s0-201801 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        git checkout edd0afcd2eb853ee46a1509a1983b042a6b857f4
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/base/power/wakeup.o: In function `device_wakeup_enable':
>> drivers/base/power/wakeup.c:271: undefined reference to `pm_suspend_target_state'

vim +271 drivers/base/power/wakeup.c

   256	
   257	/**
   258	 * device_wakeup_enable - Enable given device to be a wakeup source.
   259	 * @dev: Device to handle.
   260	 *
   261	 * Create a wakeup source object, register it and attach it to @dev.
   262	 */
   263	int device_wakeup_enable(struct device *dev)
   264	{
   265		struct wakeup_source *ws;
   266		int ret;
   267	
   268		if (!dev || !dev->power.can_wakeup)
   269			return -EINVAL;
   270	
 > 271		if (pm_suspend_target_state != PM_SUSPEND_ON)
   272			dev_dbg(dev, "Suspicious %s() during system transition\n", __func__);
   273	
   274		ws = wakeup_source_register(dev_name(dev));
   275		if (!ws)
   276			return -ENOMEM;
   277	
   278		ret = device_wakeup_attach(dev, ws);
   279		if (ret)
   280			wakeup_source_unregister(ws);
   281	
   282		return ret;
   283	}
   284	EXPORT_SYMBOL_GPL(device_wakeup_enable);
   285	

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