Hi Imre,

[auto build test ERROR on pci/next]
[also build test ERROR on v4.4-rc1 next-20151118]

url:    https://github.com/0day-ci/linux/commits/Imre-Deak/PCI-PM-tune-down-RPM-suspend-error-message-with-EBUSY-and-EAGAIN-retval/20151118-171831
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-randconfig-a0-201546 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/pci/pci-driver.c: In function 'pci_pm_runtime_suspend':
>> drivers/pci/pci-driver.c:1149:2: error: implicit declaration of function 'rpm_suspend_report_result' [-Werror=implicit-function-declaration]
     rpm_suspend_report_result(pm->runtime_suspend, error);
     ^
   cc1: some warnings being treated as errors

vim +/rpm_suspend_report_result +1149 drivers/pci/pci-driver.c

  1143		if (!pm || !pm->runtime_suspend)
  1144			return -ENOSYS;
  1145	
  1146		pci_dev->state_saved = false;
  1147		pci_dev->no_d3cold = false;
  1148		error = pm->runtime_suspend(dev);
> 1149		rpm_suspend_report_result(pm->runtime_suspend, error);
  1150		if (error)
  1151			return error;
  1152		if (!pci_dev->d3cold_allowed)

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