linux-kernel - Re: [PATCH v3] PCI: dwc: Refactor code by using dw_pcie_clear_and_set

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Message-ID: <23f8b2b3-0232-449f-85d5-20ed5e575111@163.com>
Date: Sat, 28 Jun 2025 23:44:35 +0800
From: Hans Zhang <18255117159@....com>
To: kernel test robot <lkp@...el.com>, lpieralisi@...nel.org,
 bhelgaas@...gle.com, mani@...nel.org, kwilczynski@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, robh@...nel.org, jingoohan1@...il.com,
 linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] PCI: dwc: Refactor code by using
 dw_pcie_clear_and_set_dword()



On 2025/6/28 06:20, kernel test robot wrote:
> Hi Hans,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on pci/next]
> [also build test ERROR on pci/for-linus linus/master v6.16-rc3 next-20250627]
> [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/Hans-Zhang/PCI-dwc-Refactor-code-by-using-dw_pcie_clear_and_set_dword/20250627-031223
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
> patch link:    https://lore.kernel.org/r/20250626145040.14180-3-18255117159%40163.com
> patch subject: [PATCH v3] PCI: dwc: Refactor code by using dw_pcie_clear_and_set_dword()
> config: arc-randconfig-001-20250628 (https://download.01.org/0day-ci/archive/20250628/202506280542.6ttkdrur-lkp@intel.com/config)
> compiler: arc-linux-gcc (GCC) 8.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250628/202506280542.6ttkdrur-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/202506280542.6ttkdrur-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>     In file included from drivers/pci/controller/dwc/pcie-amd-mdb.c:21:
>     drivers/pci/controller/dwc/pcie-designware.h: In function 'dw_pcie_dbi_ro_wr_en':
>>> drivers/pci/controller/dwc/pcie-designware.h:712:2: error: implicit declaration of function 'dw_pcie_clear_and_set_dword'; did you mean 'pcie_capability_set_dword'? [-Werror=implicit-function-declaration]
>       dw_pcie_clear_and_set_dword(pci, PCIE_MISC_CONTROL_1_OFF,
>       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>       pcie_capability_set_dword
>     cc1: some warnings being treated as errors
> 
> 

Dear Mani,

This compilation error can be ignored.

Since the Subject of this patch is wrong, it should be:

Subject:  s/PATCH v3/PATCH v3 02/13/

Do I still need to resubmit the version?

Best regards,
Hans

> vim +712 drivers/pci/controller/dwc/pcie-designware.h
> 
>     709	
>     710	static inline void dw_pcie_dbi_ro_wr_en(struct dw_pcie *pci)
>     711	{
>   > 712		dw_pcie_clear_and_set_dword(pci, PCIE_MISC_CONTROL_1_OFF,
>     713					    0, PCIE_DBI_RO_WR_EN);
>     714	}
>     715	
>