linux-kernel - Re: [v6 3/5] PCI: cadence: Use common PCI host bridge APIs for finding the capabilities

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Message-ID: <2aea0d1e-6bad-4b82-8a4c-2b855a9446f5@163.com>
Date: Mon, 24 Mar 2025 09:07:22 +0800
From: Hans Zhang <18255117159@....com>
To: kernel test robot <lkp@...el.com>, lpieralisi@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, kw@...ux.com,
 manivannan.sadhasivam@...aro.org, robh@...nel.org, bhelgaas@...gle.com,
 jingoohan1@...il.com, thomas.richard@...tlin.com, linux-pci@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [v6 3/5] PCI: cadence: Use common PCI host bridge APIs for
 finding the capabilities



On 2025/3/24 02:33, kernel test robot wrote:
> Hi Hans,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on a1cffe8cc8aef85f1b07c4464f0998b9785b795a]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/PCI-Introduce-generic-capability-search-functions/20250324-005300
> base:   a1cffe8cc8aef85f1b07c4464f0998b9785b795a
> patch link:    https://lore.kernel.org/r/20250323164852.430546-4-18255117159%40163.com
> patch subject: [v6 3/5] PCI: cadence: Use common PCI host bridge APIs for finding the capabilities
> config: csky-randconfig-001-20250324 (https://download.01.org/0day-ci/archive/20250324/202503240212.GtZsXgoK-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/20250324/202503240212.GtZsXgoK-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/202503240212.GtZsXgoK-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>     drivers/pci/controller/cadence/pcie-cadence.c: In function 'cdns_pcie_find_capability':
>>> drivers/pci/controller/cadence/pcie-cadence.c:28:16: error: implicit declaration of function 'pci_host_bridge_find_capability'; did you mean 'cdns_pcie_find_capability'? [-Wimplicit-function-declaration]
>        28 |         return pci_host_bridge_find_capability(pcie, cdns_pcie_read_cfg, cap);
>           |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>           |                cdns_pcie_find_capability
>     drivers/pci/controller/cadence/pcie-cadence.c: In function 'cdns_pcie_find_ext_capability':
>>> drivers/pci/controller/cadence/pcie-cadence.c:33:16: error: implicit declaration of function 'pci_host_bridge_find_ext_capability'; did you mean 'cdns_pcie_find_ext_capability'? [-Wimplicit-function-declaration]
>        33 |         return pci_host_bridge_find_ext_capability(pcie, cdns_pcie_read_cfg, cap);
>           |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>           |                cdns_pcie_find_ext_capability
> 

Missing header file: #include "... /.. /pci.h". Will change.

Best regards,
Hans

> vim +28 drivers/pci/controller/cadence/pcie-cadence.c
> 
>      25	
>      26	u8 cdns_pcie_find_capability(struct cdns_pcie *pcie, u8 cap)
>      27	{
>    > 28		return pci_host_bridge_find_capability(pcie, cdns_pcie_read_cfg, cap);
>      29	}
>      30	
>      31	u16 cdns_pcie_find_ext_capability(struct cdns_pcie *pcie, u8 cap)
>      32	{
>    > 33		return pci_host_bridge_find_ext_capability(pcie, cdns_pcie_read_cfg, cap);
>      34	}
>      35	
>