[tip:WIP.sched/core 104/122] arch/powerpc/kernel/swsusp_64.c:17:2: error: implicit declaration of function 'touch_softlockup_watchdog'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head:   a69a38e26e87ddbe993e33b55f693405cd62c76f
commit: 370156b19d7226a19a04691d550ee5121847abcd [104/122] sched/headers, softlockup: Move softlockup detector watchdog methods to <linux/nmi.h>
config: powerpc-allmodconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 370156b19d7226a19a04691d550ee5121847abcd
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/swsusp_64.c: In function 'do_after_copyback':
>> arch/powerpc/kernel/swsusp_64.c:17:2: error: implicit declaration of function 'touch_softlockup_watchdog' [-Werror=implicit-function-declaration]
     touch_softlockup_watchdog();
     ^~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/touch_softlockup_watchdog +17 arch/powerpc/kernel/swsusp_64.c

62fe91bb Paul Gortmaker 2011-05-27  11  #include <linux/sched.h>
543b9fd3 Johannes Berg  2007-05-03  12  #include <linux/interrupt.h>
543b9fd3 Johannes Berg  2007-05-03  13  
543b9fd3 Johannes Berg  2007-05-03  14  void do_after_copyback(void)
543b9fd3 Johannes Berg  2007-05-03  15  {
543b9fd3 Johannes Berg  2007-05-03  16  	iommu_restore();
543b9fd3 Johannes Berg  2007-05-03 @17  	touch_softlockup_watchdog();
543b9fd3 Johannes Berg  2007-05-03  18  	mb();
543b9fd3 Johannes Berg  2007-05-03  19  }
543b9fd3 Johannes Berg  2007-05-03  20  

:::::: The code at line 17 was first introduced by commit
:::::: 543b9fd3528f64c4b20439de0edb453764482de7 [POWERPC] powermac: Suspend to disk on G5

:::::: TO: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
:::::: CC: Paul Mackerras <paulus@xxxxxxxxx>

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0-DAY kernel test infrastructure                Open Source Technology Center
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