linux-kernel - Re: [PATCH V4 5/5] regulator: add PM suspend and resume hooks

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Date:   Fri, 26 Jan 2018 04:04:14 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Chunyan Zhang <zhang.chunyan@...aro.org>
Cc:     kbuild-all@...org, Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chunyan Zhang <zhang.lyra@...il.com>
Subject: Re: [PATCH V4 5/5] regulator: add PM suspend and resume hooks

Hi Chunyan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on v4.15-rc9]
[cannot apply to regulator/for-next next-20180119]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Chunyan-Zhang/bindings-regulator-added-support-for-suspend-states/20180126-024941
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: x86_64-randconfig-x017-201803 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers//regulator/core.c: In function 'regulator_suspend_late':
>> drivers//regulator/core.c:4319:26: error: 'pm_suspend_target_state' undeclared (first use in this function); did you mean 'suspend_set_state'?
     suspend_state_t state = pm_suspend_target_state;
                             ^~~~~~~~~~~~~~~~~~~~~~~
                             suspend_set_state
   drivers//regulator/core.c:4319:26: note: each undeclared identifier is reported only once for each function it appears in
   drivers//regulator/core.c: In function 'regulator_resume_early':
   drivers//regulator/core.c:4349:26: error: 'pm_suspend_target_state' undeclared (first use in this function); did you mean 'suspend_set_state'?
     suspend_state_t state = pm_suspend_target_state;
                             ^~~~~~~~~~~~~~~~~~~~~~~
                             suspend_set_state

vim +4319 drivers//regulator/core.c

  4310	
  4311	/**
  4312	 * regulator_suspend_late - prepare regulators for system wide suspend
  4313	 * @state: system suspend state
  4314	 *
  4315	 * Configure each regulator with it's suspend operating parameters for state.
  4316	 */
  4317	static int regulator_suspend_late(struct device *dev)
  4318	{
> 4319		suspend_state_t state = pm_suspend_target_state;
  4320	
  4321		return class_for_each_device(&regulator_class, NULL, &state,
  4322					     _regulator_suspend_late);
  4323	}
  4324	static int _regulator_resume_early(struct device *dev, void *data)
  4325	{
  4326		int ret = 0;
  4327		struct regulator_dev *rdev = dev_to_rdev(dev);
  4328		suspend_state_t *state = data;
  4329		struct regulator_state *rstate;
  4330	
  4331		rstate = regulator_get_suspend_state(rdev, *state);
  4332		if (rstate == NULL)
  4333			return -EINVAL;
  4334	
  4335		mutex_lock(&rdev->mutex);
  4336	
  4337		if (rdev->desc->ops->resume_early &&
  4338		    (rstate->enabled == ENABLE_IN_SUSPEND ||
  4339		     rstate->enabled == DISABLE_IN_SUSPEND))
  4340			ret = rdev->desc->ops->resume_early(rdev);
  4341	
  4342		mutex_unlock(&rdev->mutex);
  4343	
  4344		return ret;
  4345	}
  4346	

---
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