linux-kernel - Re: [PATCH v5 3/3] PCI: tegra: Allow building as a module

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Message-ID: <202505080510.T9Y6L5rd-lkp@intel.com>
Date: Thu, 8 May 2025 03:54:03 +0800
From: kernel test robot <lkp@...el.com>
To: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <helgaas@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-pm@...r.kernel.org, Aaron Kling <webgeek1234@...il.com>
Subject: Re: [PATCH v5 3/3] PCI: tegra: Allow building as a module

Hi Aaron,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus tip/irq/core tegra/for-next linus/master v6.15-rc5 next-20250507]
[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/Aaron-Kling-via-B4-Relay/cpuidle-tegra-Export-tegra_cpuidle_pcie_irqs_in_use/20250506-102907
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20250505-pci-tegra-module-v5-3-827aaac998ba%40gmail.com
patch subject: [PATCH v5 3/3] PCI: tegra: Allow building as a module
config: openrisc-allyesconfig (https://download.01.org/0day-ci/archive/20250508/202505080510.T9Y6L5rd-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505080510.T9Y6L5rd-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/202505080510.T9Y6L5rd-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/pci-tegra.c:2574:13: warning: 'tegra_pcie_debugfs_exit' defined but not used [-Wunused-function]
    2574 | static void tegra_pcie_debugfs_exit(struct tegra_pcie *pcie)
         |             ^~~~~~~~~~~~~~~~~~~~~~~


vim +/tegra_pcie_debugfs_exit +2574 drivers/pci/controller/pci-tegra.c

2cb989f6e99aa8 drivers/pci/host/pci-tegra.c Thierry Reding       2014-07-22  2573  
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28 @2574  static void tegra_pcie_debugfs_exit(struct tegra_pcie *pcie)
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28  2575  {
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28  2576  	debugfs_remove_recursive(pcie->debugfs);
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28  2577  	pcie->debugfs = NULL;
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28  2578  }
662b94c3195654 drivers/pci/host/pci-tegra.c Manikanta Maddireddy 2018-02-28  2579  

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