Re: [PATCH] PCI: qcom: Add register dump support for PCIe Link Down events
From: kernel test robot
Date: Thu Aug 20 2026 - 01:10:25 EST
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/20260820/202608201351.dBcT51sv-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/202608201351.dBcT51sv-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608201351.dBcT51sv-lkp@xxxxxxxxx/
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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https://github.com/intel/lkp-tests/wiki