Re: [PATCH 2/4] PCI: of: Add API to retrieve equalization presets from device tree

From: kernel test robot
Date: Sun Nov 17 2024 - 00:59:22 EST


Hi Krishna,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 81983758430957d9a5cb3333fe324fd70cf63e7e]

url: https://github.com/intel-lab-lkp/linux/commits/Krishna-chaitanya-chundru/arm64-dts-qcom-x1e80100-Add-PCIe-lane-equalization-preset-properties/20241117-000950
base: 81983758430957d9a5cb3333fe324fd70cf63e7e
patch link: https://lore.kernel.org/r/20241116-presets-v1-2-878a837a4fee%40quicinc.com
patch subject: [PATCH 2/4] PCI: of: Add API to retrieve equalization presets from device tree
config: parisc-defconfig (https://download.01.org/0day-ci/archive/20241117/202411171502.1POu4enK-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171502.1POu4enK-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/202411171502.1POu4enK-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from drivers/pci/access.c:8:
>> drivers/pci/pci.h:803:12: warning: 'of_pci_get_equalization_presets' defined but not used [-Wunused-function]
803 | static int of_pci_get_equalization_presets(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from drivers/pci/msi/pcidev_msi.c:5:
>> drivers/pci/msi/../pci.h:803:12: warning: 'of_pci_get_equalization_presets' defined but not used [-Wunused-function]
803 | static int of_pci_get_equalization_presets(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from drivers/pci/pcie/aspm.c:27:
>> drivers/pci/pcie/../pci.h:803:12: warning: 'of_pci_get_equalization_presets' defined but not used [-Wunused-function]
803 | static int of_pci_get_equalization_presets(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/of_pci_get_equalization_presets +803 drivers/pci/pci.h

802
> 803 static int of_pci_get_equalization_presets(struct device *dev,
804 struct pci_eq_presets *presets,
805 int num_lanes)
806 {
807 return 0;
808 }
809 #endif /* CONFIG_OF */
810

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