linux-kernel - Re: [PATCH 2/3] perf/dwc_pcie: Load DesignWare PCIe PMU driver automatically on Ampere SoCs

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Message-ID: <202410100508.l5fTQewL-lkp@intel.com>
Date: Thu, 10 Oct 2024 05:53:29 +0800
From: kernel test robot <lkp@...el.com>
To: Ilkka Koskinen <ilkka@...amperecomputing.com>,
	Shuai Xue <xueshuai@...ux.alibaba.com>,
	Jing Zhang <renyu.zj@...ux.alibaba.com>,
	Will Deacon <will@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Ilkka Koskinen <ilkka@...amperecomputing.com>
Subject: Re: [PATCH 2/3] perf/dwc_pcie: Load DesignWare PCIe PMU driver
 automatically on Ampere SoCs

Hi Ilkka,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.12-rc2 next-20241009]
[cannot apply to arm-perf/for-next/perf]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ilkka-Koskinen/perf-dwc_pcie-Add-support-for-Ampere-SoCs/20241009-072027
base:   linus/master
patch link:    https://lore.kernel.org/r/20241008231824.5102-3-ilkka%40os.amperecomputing.com
patch subject: [PATCH 2/3] perf/dwc_pcie: Load DesignWare PCIe PMU driver automatically on Ampere SoCs
config: arc-randconfig-001-20241010 (https://download.01.org/0day-ci/archive/20241010/202410100508.l5fTQewL-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241010/202410100508.l5fTQewL-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410100508.l5fTQewL-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/perf/dwc_pcie_pmu.c:785:35: warning: 'dwc_pcie_pmu_table' defined but not used [-Wunused-const-variable=]
     785 | static const struct pci_device_id dwc_pcie_pmu_table[] = {
         |                                   ^~~~~~~~~~~~~~~~~~


vim +/dwc_pcie_pmu_table +785 drivers/perf/dwc_pcie_pmu.c

   784	
 > 785	static const struct pci_device_id dwc_pcie_pmu_table[] = {
   786		{
   787			PCI_DEVICE(PCI_VENDOR_ID_AMPERE, PCI_ANY_ID),
   788			.class		= PCI_CLASS_BRIDGE_PCI_NORMAL,
   789			.class_mask	= ~0,
   790		},
   791		{ }
   792	};
   793	MODULE_DEVICE_TABLE(pci, dwc_pcie_pmu_table);
   794	

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