[l1k:pciehp_dpc_v1 1/1] drivers/pci/hotplug/pciehp_hpc.c:575:30: error: use of undeclared identifier 'pdev'

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/l1k/linux pciehp_dpc_v1
head:   a0b9f6e639a1ab50faab2ed7a4b06994e9742b2a
commit: a0b9f6e639a1ab50faab2ed7a4b06994e9742b2a [1/1] PCI: pciehp: Ignore Link Down/Up caused by DPC
config: powerpc-randconfig-r034-20210324 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a4fb88669cd98db6fef7dcac88e3ec425d40c00d)
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
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/l1k/linux/commit/a0b9f6e639a1ab50faab2ed7a4b06994e9742b2a
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k pciehp_dpc_v1
        git checkout a0b9f6e639a1ab50faab2ed7a4b06994e9742b2a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 >>):

>> drivers/pci/hotplug/pciehp_hpc.c:575:30: error: use of undeclared identifier 'pdev'
                   pcie_capability_write_word(pdev, PCI_EXP_SLTSTA,
                                              ^
   drivers/pci/hotplug/pciehp_hpc.c:577:32: error: use of undeclared identifier 'pdev'
           clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
                                         ^
   2 errors generated.


vim +/pdev +575 drivers/pci/hotplug/pciehp_hpc.c

   565	
   566	static void pciehp_ignore_dpc_link_change(struct controller *ctrl, int irq)
   567	{
   568		/*
   569		 * Ignore link changes which occurred while waiting for DPC recovery.
   570		 * Could be several if DPC triggered multiple times consecutively.
   571		 */
   572		synchronize_hardirq(irq);
   573		atomic_and(~PCI_EXP_SLTSTA_DLLSC, &ctrl->pending_events);
   574		if (pciehp_poll_mode)
 > 575			pcie_capability_write_word(pdev, PCI_EXP_SLTSTA,
   576						   PCI_EXP_SLTSTA_DLLSC);
   577		clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
   578		ctrl_info(ctrl, "Slot(%s): Link Down/Up ignored (recovered by DPC)\n",
   579			  slot_name(ctrl));
   580	
   581		/*
   582		 * If the link is unexpectedly down after successful recovery,
   583		 * the corresponding link change may have been ignored above.
   584		 * Synthesize it to ensure that it is acted on.
   585		 */
   586		down_read(&ctrl->reset_lock);
   587		if (!pciehp_check_link_active(ctrl))
   588			pciehp_request(ctrl, PCI_EXP_SLTSTA_DLLSC);
   589		up_read(&ctrl->reset_lock);
   590	}
   591	

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

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