Re: [PATCH v8 06/16] CXL/PCI: Introduce CXL uncorrectable protocol error 'recovery'

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

Hi Terry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on aae0594a7053c60b82621136257c8b648c67b512]

url:    https://github.com/intel-lab-lkp/linux/commits/Terry-Bowman/PCI-CXL-Introduce-PCIe-helper-function-pcie_is_cxl/20250327-095738
base:   aae0594a7053c60b82621136257c8b648c67b512
patch link:    https://lore.kernel.org/r/20250327014717.2988633-7-terry.bowman%40amd.com
patch subject: [PATCH v8 06/16] CXL/PCI: Introduce CXL uncorrectable protocol error 'recovery'
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20250327/202503271130.BAWzwRWM-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250327/202503271130.BAWzwRWM-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503271130.BAWzwRWM-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from lib/iomap.c:7:
>> include/linux/pci.h:1873:6: warning: no previous prototype for 'pci_aer_clear_fatal_status' [-Wmissing-prototypes]
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/pci/probe.c:9:
>> include/linux/pci.h:1873:6: warning: no previous prototype for 'pci_aer_clear_fatal_status' [-Wmissing-prototypes]
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/pci/probe.c:16:
   include/linux/aer.h:76:20: error: redefinition of 'pci_aer_clear_fatal_status'
      76 | static inline void pci_aer_clear_fatal_status(struct pci_dev *dev) { }
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/pci/probe.c:9:
   include/linux/pci.h:1873:6: note: previous definition of 'pci_aer_clear_fatal_status' with type 'void(struct pci_dev *)'
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/pci_aer_clear_fatal_status +1873 include/linux/pci.h

  1867	
  1868	#ifdef CONFIG_PCIEAER
  1869	bool pci_aer_available(void);
  1870	void pci_aer_clear_fatal_status(struct pci_dev *dev);
  1871	#else
  1872	static inline bool pci_aer_available(void) { return false; }
> 1873	void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
  1874	#endif
  1875	

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