linux-kernel - Re: [PATCH v2 2/3] PCI: dwc: Add sysfs support for PTM context

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Message-ID: <202503242112.lOewj3sy-lkp@intel.com>
Date: Mon, 24 Mar 2025 22:06:03 +0800
From: kernel test robot <lkp@...el.com>
To: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <helgaas@...nel.org>,
	Jingoo Han <jingoohan1@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH v2 2/3] PCI: dwc: Add sysfs support for PTM context

Hi Manivannan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 1f5a69f1b3132054d8d82b8d7546d0af6a2ed4f6]

url:    https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam-via-B4-Relay/PCI-Add-sysfs-support-for-exposing-PTM-context/20250324-181039
base:   1f5a69f1b3132054d8d82b8d7546d0af6a2ed4f6
patch link:    https://lore.kernel.org/r/20250324-pcie-ptm-v2-2-c7d8c3644b4a%40linaro.org
patch subject: [PATCH v2 2/3] PCI: dwc: Add sysfs support for PTM context
config: csky-randconfig-001-20250324 (https://download.01.org/0day-ci/archive/20250324/202503242112.lOewj3sy-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250324/202503242112.lOewj3sy-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/202503242112.lOewj3sy-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/perf/dwc_pcie_pmu.c:16:
>> 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