linux-kernel - Re: [PATCH] PCI: endpoint: Use common PCI host bridge APIs for finding the capabilities

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Message-ID: <202506171435.UiUpSaqs-lkp@intel.com>
Date: Tue, 17 Jun 2025 14:21:35 +0800
From: kernel test robot <lkp@...el.com>
To: Hans Zhang <18255117159@....com>, lpieralisi@...nel.org,
	kwilczynski@...nel.org, bhelgaas@...gle.com, jingoohan1@...il.com,
	mani@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, robh@...nel.org,
	ilpo.jarvinen@...ux.intel.com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, Hans Zhang <18255117159@....com>
Subject: Re: [PATCH] PCI: endpoint: Use common PCI host bridge APIs for
 finding the capabilities

Hi Hans,

kernel test robot noticed the following build errors:

[auto build test ERROR on 19272b37aa4f83ca52bdf9c16d5d81bdd1354494]

url:    https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/PCI-endpoint-Use-common-PCI-host-bridge-APIs-for-finding-the-capabilities/20250616-232735
base:   19272b37aa4f83ca52bdf9c16d5d81bdd1354494
patch link:    https://lore.kernel.org/r/20250616152515.966480-1-18255117159%40163.com
patch subject: [PATCH] PCI: endpoint: Use common PCI host bridge APIs for finding the capabilities
config: powerpc-randconfig-r073-20250617 (https://download.01.org/0day-ci/archive/20250617/202506171435.UiUpSaqs-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250617/202506171435.UiUpSaqs-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/202506171435.UiUpSaqs-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/pci/controller/dwc/pcie-designware-ep.c:90:9: error: call to undeclared function 'PCI_FIND_NEXT_CAP_TTL'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      90 |         return PCI_FIND_NEXT_CAP_TTL(dw_pcie_ep_read_cfg, PCI_CAPABILITY_LIST,
         |                ^
   1 error generated.


vim +/PCI_FIND_NEXT_CAP_TTL +90 drivers/pci/controller/dwc/pcie-designware-ep.c

    87	
    88	static u8 dw_pcie_ep_find_capability(struct dw_pcie_ep *ep, u8 func_no, u8 cap)
    89	{
  > 90		return PCI_FIND_NEXT_CAP_TTL(dw_pcie_ep_read_cfg, PCI_CAPABILITY_LIST,
    91					     cap, ep, func_no);
    92	}
    93	

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