Re: [RFC 1/6] PCI/ACPI: Implement PCI FW _DSM method

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

Hi Anshuman,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on rafael-pm/linux-next rafael-pm/bleeding-edge pci/next pci/for-linus linus/master v6.14-rc4 next-20250224]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Anshuman-Gupta/PCI-ACPI-Implement-PCI-FW-_DSM-method/20250225-005537
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20250224164849.3746751-2-anshuman.gupta%40intel.com
patch subject: [RFC 1/6] PCI/ACPI: Implement PCI FW _DSM method
config: arm64-randconfig-003-20250225 (https://download.01.org/0day-ci/archive/20250225/202502250636.OtsWH8Fp-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250225/202502250636.OtsWH8Fp-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/202502250636.OtsWH8Fp-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/pci/controller/pci-xgene.c:19:
>> include/linux/pci-acpi.h:143:5: warning: no previous prototype for function 'pci_acpi_request_d3cold_aux_power' [-Wmissing-prototypes]
   int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power)
       ^
   include/linux/pci-acpi.h:143:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power)
   ^
   static 
>> include/linux/pci-acpi.h:148:5: warning: no previous prototype for function 'pci_acpi_add_perst_assertion_delay' [-Wmissing-prototypes]
   int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
       ^
   include/linux/pci-acpi.h:148:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
   ^
   static 
   2 warnings generated.


vim +/pci_acpi_request_d3cold_aux_power +143 include/linux/pci-acpi.h

   139	
   140	#else	/* CONFIG_ACPI */
   141	static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
   142	static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
 > 143	int pci_acpi_request_d3cold_aux_power(struct pci_dev *dev, u32 requested_power)
   144	{
   145		return -EOPNOTSUPP;
   146	}
   147	
 > 148	int pci_acpi_add_perst_assertion_delay(struct pci_dev *dev, u32 delay_us)
   149	{
   150		return -EOPNOTSUPP;
   151	}
   152	#endif	/* CONFIG_ACPI */
   153	

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