[pci:controller/dwc 6/8] drivers/pci/controller/dwc/pcie-designware-debugfs.c:561:undefined reference to `dw_ltssm_sts_string'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git controller/dwc
head:   b9d6619b0c3ef6ac25764ff29b08e8c1953ea83f
commit: d4dc748566221bfdd0345c282ec82d3eee457f39 [6/8] PCI: dwc: Add debugfs property to provide LTSSM status of the PCIe link
config: sparc64-randconfig-001-20250227 (https://download.01.org/0day-ci/archive/20250227/202502270336.4xpaTVPE-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502270336.4xpaTVPE-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/202502270336.4xpaTVPE-lkp@intel.com/

All errors (new ones prefixed by >>):

   sparc64-linux-ld: drivers/pci/controller/dwc/pcie-designware-debugfs.o: in function `dwc_pcie_ltssm_status_show':
>> drivers/pci/controller/dwc/pcie-designware-debugfs.c:561:(.text+0x125c): undefined reference to `dw_ltssm_sts_string'
>> sparc64-linux-ld: drivers/pci/controller/dwc/pcie-designware-debugfs.c:561:(.text+0x12c4): undefined reference to `dw_ltssm_sts_string'


vim +561 drivers/pci/controller/dwc/pcie-designware-debugfs.c

   554	
   555	static int dwc_pcie_ltssm_status_show(struct seq_file *s, void *v)
   556	{
   557		struct dw_pcie *pci = s->private;
   558		enum dw_pcie_ltssm val;
   559	
   560		val = dw_pcie_get_ltssm(pci);
 > 561		seq_printf(s, "%s (0x%02x)\n", dw_ltssm_sts_string(val), val);
   562	
   563		return 0;
   564	}
   565	

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