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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250424-pcie-ptm-v3-3-c929ebd2821c@linaro.org> Hi Manivannan, kernel test robot noticed the following build warnings: [auto build test WARNING on 0af2f6be1b4281385b618cb86ad946eded089ac8] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam/PCI-Add-debugfs-support-for-exposing-PTM-context/20250425-001237 base: 0af2f6be1b4281385b618cb86ad946eded089ac8 patch link: https://lore.kernel.org/r/20250424-pcie-ptm-v3-3-c929ebd2821c%40linaro.org patch subject: [PATCH v3 3/4] PCI: dwc: Add debugfs support for PTM context config: i386-buildonly-randconfig-005-20250425 (https://download.01.org/0day-ci/archive/20250426/202504260156.kvLvB9N3-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250426/202504260156.kvLvB9N3-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202504260156.kvLvB9N3-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/perf/dwc_pcie_pmu.c:18: include/linux/pci.h: In function 'pcie_ptm_create_debugfs': include/linux/pci.h:1911:39: warning: no return statement in function returning non-void [-Wreturn-type] 1911 | const struct pcie_ptm_ops *ops) { } | ^~~~~~~~~~~~ In file included from drivers/perf/dwc_pcie_pmu.c:16: include/linux/pcie-dwc.h: At top level: >> include/linux/pcie-dwc.h:38:38: warning: 'dwc_pcie_ptm_vsec_ids' defined but not used [-Wunused-const-variable=] 38 | static const struct dwc_pcie_vsec_id dwc_pcie_ptm_vsec_ids[] = { | ^~~~~~~~~~~~~~~~~~~~~ vim +/dwc_pcie_ptm_vsec_ids +38 include/linux/pcie-dwc.h 37 > 38 static const struct dwc_pcie_vsec_id dwc_pcie_ptm_vsec_ids[] = { 39 { .vendor_id = PCI_VENDOR_ID_QCOM, /* EP */ 40 .vsec_id = 0x03, .vsec_rev = 0x1 }, 41 { .vendor_id = PCI_VENDOR_ID_QCOM, /* RC */ 42 .vsec_id = 0x04, .vsec_rev = 0x1 }, 43 { } 44 }; 45 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki