Re: [PATCH] PCI/TPH: Fix get cpu steer-tag fail on ARM64 platform

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

Hi Chengwen,

kernel test robot noticed the following build errors:

[auto build test ERROR on pci/next]
[also build test ERROR on pci/for-linus rafael-pm/linux-next rafael-pm/bleeding-edge linus/master v7.0-rc2 next-20260304]
[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/Chengwen-Feng/PCI-TPH-Fix-get-cpu-steer-tag-fail-on-ARM64-platform/20260303-084305
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20260303003625.39035-1-fengchengwen%40huawei.com
patch subject: [PATCH] PCI/TPH: Fix get cpu steer-tag fail on ARM64 platform
config: x86_64-randconfig-r072-20260305 (https://download.01.org/0day-ci/archive/20260305/202603050711.whqDobKh-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9004-gb810ac53
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260305/202603050711.whqDobKh-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/202603050711.whqDobKh-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/acpi/processor_core.c: In function 'acpi_get_cpu_acpi_id':
>> drivers/acpi/processor_core.c:344:16: error: implicit declaration of function 'cpu_acpi_id' [-Wimplicit-function-declaration]
     344 |         return cpu_acpi_id(cpu);
         |                ^~~~~~~~~~~


vim +/cpu_acpi_id +344 drivers/acpi/processor_core.c

   337	
   338	#ifdef CONFIG_ARCH_HAS_GET_CPU_ACPI_ID_API
   339	unsigned int acpi_get_cpu_acpi_id(unsigned int cpu)
   340	{
   341		if (cpu >= nr_cpu_ids)
   342			return 0;
   343	#ifdef CONFIG_X86
 > 344		return cpu_acpi_id(cpu);
   345	#elif CONFIG_ARM64
   346		return get_acpi_id_for_cpu(cpu);
   347	#endif
   348	}
   349	#endif /* CONFIG_ARCH_HAS_GET_CPU_ACPI_ID_API */
   350	

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