Re: [PATCH] PCI: qcom: Add register dump support for PCIe Link Down events

Hi Krishna,

kernel test robot noticed the following build warnings:

[auto build test WARNING on d55d5a8f3d852baab49dba910dcb04b6d8091b05]

url:    https://github.com/intel-lab-lkp/linux/commits/Krishna-Chaitanya-Chundru/PCI-qcom-Add-register-dump-support-for-PCIe-Link-Down-events/20260811-214223
base:   d55d5a8f3d852baab49dba910dcb04b6d8091b05
patch link:    https://lore.kernel.org/r/20260811-regdump-v1-1-f22db3fb37c2%40oss.qualcomm.com
patch subject: [PATCH] PCI: qcom: Add register dump support for PCIe Link Down events
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20260820/[email protected]/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/dwc/pcie-qcom.c:220:18: warning: 'qcom_pcie_ext_parf_dump_regs' defined but not used [-Wunused-const-variable=]
     220 | static const u32 qcom_pcie_ext_parf_dump_regs[] = {
         |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/qcom_pcie_ext_parf_dump_regs +220 drivers/pci/controller/dwc/pcie-qcom.c

   219	
 > 220	static const u32 qcom_pcie_ext_parf_dump_regs[] = {
   221		PARF_PM_STTS,
   222		PARF_PM_STTS_1,
   223		PARF_INT_ALL_STATUS,
   224		PARF_INT_ALL_2_STATUS,
   225		PARF_CLKREQ_OVERRIDE,
   226		PARF_L1SS_SLEEP_MODE_HANDLER_STATUS,
   227		PARF_L1SS_SLEEP_MODE_HANDLER_CFG,
   228		PARF_CORE_ERRORS,
   229		PARF_LINK_DOWN_AXI_ECAM_BLOCK_STATUS,
   230		PARF_STATUS,
   231		PARF_SYS_CTRL,
   232	};
   233	

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