[hch-misc:vfio-remove-nvlink 4/4] arch/powerpc/platforms/powernv/pci-ioda.c:1439:6: warning: no previous prototype for 'pnv_pci_ioda2_tce_invalidate_entire'

[hch-misc:vfio-remove-nvlink 4/4] arch/powerpc/platforms/powernv/pci-ioda.c:1439:6: warning: no previous prototype for 'pnv_pci_ioda2_tce_invalidate_entire'

[kernel test robot]

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tree:   git://git.infradead.org/users/hch/misc.git vfio-remove-nvlink
head:   8a8ecbd5d30cdb27c47ea06feb682d07b123af5f
commit: 8a8ecbd5d30cdb27c47ea06feb682d07b123af5f [4/4] powerpc/powernv: remove the nvlink support
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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
        git remote add hch-misc git://git.infradead.org/users/hch/misc.git
        git fetch --no-tags hch-misc vfio-remove-nvlink
        git checkout 8a8ecbd5d30cdb27c47ea06feb682d07b123af5f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All warnings (new ones prefixed by >>):

>> arch/powerpc/platforms/powernv/pci-ioda.c:1439:6: warning: no previous prototype for 'pnv_pci_ioda2_tce_invalidate_entire' [-Wmissing-prototypes]
    1439 | void pnv_pci_ioda2_tce_invalidate_entire(struct pnv_phb *phb, bool rm)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/platforms/powernv/pci-ioda.c: In function 'pnv_pci_ioda2_set_window':
   arch/powerpc/platforms/powernv/pci-ioda.c:1685:2: error: implicit declaration of function 'pnv_pci_ioda2_tce_invalidate_pe'; did you mean 'pnv_pci_ioda2_tce_invalidate'? [-Werror=implicit-function-declaration]
    1685 |  pnv_pci_ioda2_tce_invalidate_pe(pe);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |  pnv_pci_ioda2_tce_invalidate
   cc1: some warnings being treated as errors


vim +/pnv_pci_ioda2_tce_invalidate_entire +1439 arch/powerpc/platforms/powernv/pci-ioda.c

e57080f17da5d5 Alexey Kardashevskiy 2015-06-05  1438  
6b3d12a948d279 Alistair Popple      2017-05-03 @1439  void pnv_pci_ioda2_tce_invalidate_entire(struct pnv_phb *phb, bool rm)
6b3d12a948d279 Alistair Popple      2017-05-03  1440  {
6b3d12a948d279 Alistair Popple      2017-05-03  1441  	if (phb->model == PNV_PHB_MODEL_NPU || phb->model == PNV_PHB_MODEL_PHB3)
6b3d12a948d279 Alistair Popple      2017-05-03  1442  		pnv_pci_phb3_tce_invalidate_entire(phb, rm);
6b3d12a948d279 Alistair Popple      2017-05-03  1443  	else
6b3d12a948d279 Alistair Popple      2017-05-03  1444  		opal_pci_tce_kill(phb->opal_id, OPAL_PCI_TCE_KILL, 0, 0, 0, 0);
6b3d12a948d279 Alistair Popple      2017-05-03  1445  }
6b3d12a948d279 Alistair Popple      2017-05-03  1446  

:::::: The code at line 1439 was first introduced by commit
:::::: 6b3d12a948d27977816a15eb48409a298902a548 powerpc/powernv: Fix TCE kill on NVLink2

:::::: TO: Alistair Popple <alistair@popple.id.au>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

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