[anolis-intel-cloud:devel-5.10 109/109] arch/x86/kernel/amd_nb.c:64:24: warning: 'next_northbridge' defined but not used

[anolis-intel-cloud:devel-5.10 109/109] arch/x86/kernel/amd_nb.c:64:24: warning: 'next_northbridge' defined but not used

[kernel test robot]

tree:   https://gitee.com/anolis/intel-cloud-kernel.git devel-5.10
head:   04b4bf9552e8b33c5cbacd563be503e271170f4e
commit: 4fda8daac2a8eed840c58eda0a52b0bf68fe0f7b [109/109] anolis:x86/pci, x86/hygon_nb: Add Hygon Northbridge driver support via PCI enumeration
config: x86_64-anolis-intel-cloud-devel-5.10 (https://download.01.org/0day-ci/archive/20260920/202609200532.ijMYGryu-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260920/202609200532.ijMYGryu-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/202609200532.ijMYGryu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/amd_nb.c:64:24: warning: 'next_northbridge' defined but not used [-Wunused-function]
      64 | static struct pci_dev *next_northbridge(struct pci_dev *dev,
         |                        ^~~~~~~~~~~~~~~~


vim +/next_northbridge +64 arch/x86/kernel/amd_nb.c

a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  63  
9653a5c76c8677 arch/x86/kernel/amd_nb.c Hans Rosenfeld 2010-10-29 @64  static struct pci_dev *next_northbridge(struct pci_dev *dev,
691269f0d918cd arch/x86/kernel/amd_nb.c Jan Beulich    2011-02-09  65  					const struct pci_device_id *ids)
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  66  {
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  67  	do {
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  68  		dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  69  		if (!dev)
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  70  			break;
9653a5c76c8677 arch/x86/kernel/amd_nb.c Hans Rosenfeld 2010-10-29  71  	} while (!pci_match_id(ids, dev));
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  72  	return dev;
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  73  }
a32073bffc656c arch/x86_64/kernel/k8.c  Andi Kleen     2006-06-26  74  

:::::: The code at line 64 was first introduced by commit
:::::: 9653a5c76c8677b05b45b3b999d3b39988d2a064 x86, amd-nb: Cleanup AMD northbridge caching code

:::::: TO: Hans Rosenfeld <hans.rosenfeld@amd.com>
:::::: CC: Borislav Petkov <borislav.petkov@amd.com>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki