Re: [PATCH v9 4/6] PCI: dwc: Use common PCI host bridge APIs for finding the capabilities
From: kernel test robot
Date: Thu Apr 10 2025 - 02:03:20 EST
Hi Hans,
kernel test robot noticed the following build errors:
[auto build test ERROR on a24588245776dafc227243a01bfbeb8a59bafba9]
url: https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/PCI-Introduce-generic-bus-config-read-helper-function/20250409-115839
base: a24588245776dafc227243a01bfbeb8a59bafba9
patch link: https://lore.kernel.org/r/20250409034156.92686-5-18255117159%40163.com
patch subject: [PATCH v9 4/6] PCI: dwc: Use common PCI host bridge APIs for finding the capabilities
config: arc-randconfig-001-20250410 (https://download.01.org/0day-ci/archive/20250410/202504101228.CX8tAgfW-lkp@xxxxxxxxx/config)
compiler: arc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250410/202504101228.CX8tAgfW-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/202504101228.CX8tAgfW-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
drivers/pci/controller/dwc/pcie-designware.c: In function '__dw_pcie_find_vsec_capability':
>> drivers/pci/controller/dwc/pcie-designware.c:239:24: error: implicit declaration of function 'dw_pcie_find_next_ext_capability'; did you mean 'pci_find_next_ext_capability'? [-Wimplicit-function-declaration]
239 | while ((vsec = dw_pcie_find_next_ext_capability(pci, vsec,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| pci_find_next_ext_capability
vim +239 drivers/pci/controller/dwc/pcie-designware.c
5b0841fa653f6c Vidya Sagar 2019-08-13 229
efaf16de43f599 Shradha Todi 2025-02-21 230 static u16 __dw_pcie_find_vsec_capability(struct dw_pcie *pci, u16 vendor_id,
efaf16de43f599 Shradha Todi 2025-02-21 231 u16 vsec_id)
efaf16de43f599 Shradha Todi 2025-02-21 232 {
efaf16de43f599 Shradha Todi 2025-02-21 233 u16 vsec = 0;
efaf16de43f599 Shradha Todi 2025-02-21 234 u32 header;
efaf16de43f599 Shradha Todi 2025-02-21 235
efaf16de43f599 Shradha Todi 2025-02-21 236 if (vendor_id != dw_pcie_readw_dbi(pci, PCI_VENDOR_ID))
efaf16de43f599 Shradha Todi 2025-02-21 237 return 0;
efaf16de43f599 Shradha Todi 2025-02-21 238
efaf16de43f599 Shradha Todi 2025-02-21 @239 while ((vsec = dw_pcie_find_next_ext_capability(pci, vsec,
efaf16de43f599 Shradha Todi 2025-02-21 240 PCI_EXT_CAP_ID_VNDR))) {
efaf16de43f599 Shradha Todi 2025-02-21 241 header = dw_pcie_readl_dbi(pci, vsec + PCI_VNDR_HEADER);
efaf16de43f599 Shradha Todi 2025-02-21 242 if (PCI_VNDR_HEADER_ID(header) == vsec_id)
efaf16de43f599 Shradha Todi 2025-02-21 243 return vsec;
efaf16de43f599 Shradha Todi 2025-02-21 244 }
efaf16de43f599 Shradha Todi 2025-02-21 245
efaf16de43f599 Shradha Todi 2025-02-21 246 return 0;
efaf16de43f599 Shradha Todi 2025-02-21 247 }
efaf16de43f599 Shradha Todi 2025-02-21 248
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki