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From: kernel test robot <lkp@intel.com>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Michael Ellerman <mpe@ellerman.id.au>
Subject: arch/powerpc/platforms/52xx/lite5200_pm.c:215:9: error: implicit declaration of function 'enable_kernel_fp'
Date: Sat, 21 Aug 2021 09:56:44 +0800	[thread overview]
Message-ID: <202108210932.aG9KMR4n-lkp@intel.com> (raw)

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Hi Christophe,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fa54d366a6e4fe3e16322abdb8b5115f8be0da8b
commit: 7d68c89169508064c460a1208f38ed0589d226fa powerpc/32s: Allow deselecting CONFIG_PPC_FPU on mpc832x
date:   9 months ago
config: powerpc64-buildonly-randconfig-r004-20210820 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d68c89169508064c460a1208f38ed0589d226fa
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7d68c89169508064c460a1208f38ed0589d226fa
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/powerpc/platforms/52xx/lite5200_pm.c: In function 'lite5200_pm_enter':
>> arch/powerpc/platforms/52xx/lite5200_pm.c:215:9: error: implicit declaration of function 'enable_kernel_fp' [-Werror=implicit-function-declaration]
     215 |         enable_kernel_fp();
         |         ^~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors
--
   arch/powerpc/platforms/83xx/suspend.c: In function 'mpc83xx_suspend_enter':
>> arch/powerpc/platforms/83xx/suspend.c:210:17: error: implicit declaration of function 'enable_kernel_fp' [-Werror=implicit-function-declaration]
     210 |                 enable_kernel_fp();
         |                 ^~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/enable_kernel_fp +215 arch/powerpc/platforms/52xx/lite5200_pm.c

ee983079ce0464 Domen Puncer 2007-07-18  204  
ee983079ce0464 Domen Puncer 2007-07-18  205  static int lite5200_pm_enter(suspend_state_t state)
ee983079ce0464 Domen Puncer 2007-07-18  206  {
ee983079ce0464 Domen Puncer 2007-07-18  207  	/* deep sleep? let mpc52xx code handle that */
ee983079ce0464 Domen Puncer 2007-07-18  208  	if (state == PM_SUSPEND_STANDBY) {
ee983079ce0464 Domen Puncer 2007-07-18  209  		return mpc52xx_pm_enter(state);
ee983079ce0464 Domen Puncer 2007-07-18  210  	}
ee983079ce0464 Domen Puncer 2007-07-18  211  
ee983079ce0464 Domen Puncer 2007-07-18  212  	lite5200_save_regs();
ee983079ce0464 Domen Puncer 2007-07-18  213  
ee983079ce0464 Domen Puncer 2007-07-18  214  	/* effectively save FP regs */
ee983079ce0464 Domen Puncer 2007-07-18 @215  	enable_kernel_fp();
ee983079ce0464 Domen Puncer 2007-07-18  216  
ee983079ce0464 Domen Puncer 2007-07-18  217  	lite5200_low_power(sram, mbar);
ee983079ce0464 Domen Puncer 2007-07-18  218  
ee983079ce0464 Domen Puncer 2007-07-18  219  	lite5200_restore_regs();
ee983079ce0464 Domen Puncer 2007-07-18  220  
ee983079ce0464 Domen Puncer 2007-07-18  221  	iounmap(mbar);
ee983079ce0464 Domen Puncer 2007-07-18  222  	return 0;
ee983079ce0464 Domen Puncer 2007-07-18  223  }
ee983079ce0464 Domen Puncer 2007-07-18  224  

:::::: The code at line 215 was first introduced by commit
:::::: ee983079ce04641523b23b8ed02cc3503632351e [POWERPC] MPC5200 low power mode

:::::: TO: Domen Puncer <domen.puncer@telargo.com>
:::::: CC: Paul Mackerras <paulus@samba.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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             reply	other threads:[~2021-08-21  1:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-21  1:56 kernel test robot [this message]
2021-09-27 14:46 kernel test robot
2021-12-31 21:53 kernel test robot

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