linux-kernel - Re: [RFC][PATCH 2/2] PM / sleep: Kick devices that might have been reset by firmware

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Message-ID: <201509300812.KVdM5pN3%fengguang.wu@intel.com>
Date:	Wed, 30 Sep 2015 08:36:00 +0800
From:	kbuild test robot <lkp@...el.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	kbuild-all@...org, Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Daniel Vetter <daniel.vetter@...el.com>
Subject: Re: [RFC][PATCH 2/2] PM / sleep: Kick devices that might have been
 reset by firmware

Hi Rafael,

[auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]

config: i386-randconfig-a0-201539 (attached as .config)
reproduce:
  git checkout 270cc782e8ef117ccad348c9a8330501dcb55f95
  # save the attached .config to linux build tree
  make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   drivers/base/power/main.c: In function 'device_complete':
>> drivers/base/power/main.c:936:36: error: implicit declaration of function 'pm_resume_via_firmware' [-Werror=implicit-function-declaration]
     if (dev->power.direct_complete && pm_resume_via_firmware())
                                       ^
   cc1: some warnings being treated as errors

vim +/pm_resume_via_firmware +936 drivers/base/power/main.c

   930		pm_runtime_put(dev);
   931		/*
   932		 * If the device had been runtime-suspended before the system went into
   933		 * the sleep state it is going out of and it has never been resumed till
   934		 * now, resume it in case the firmware powered it up.
   935		 */
 > 936		if (dev->power.direct_complete && pm_resume_via_firmware())
   937			pm_request_resume(dev);
   938	}
   939	

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