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Date: Tue, 30 Apr 2024 22:00:15 +0800
From: kernel test robot <lkp@intel.com>
To: Vamsi Attunuru <vattunuru@marvell.com>, arnd@arndb.de,
	gregkh@linuxfoundation.org
Cc: oe-kbuild-all@lists.linux.dev, vattunuru@marvell.com,
	jerinj@marvell.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon CN10K DPI
 administrative driver
Message-ID: <202404302147.7X1w59Jg-lkp@intel.com>
References: <20240429055027.2162310-1-vattunuru@marvell.com>
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In-Reply-To: <20240429055027.2162310-1-vattunuru@marvell.com>

Hi Vamsi,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus soc/for-next linus/master v6.9-rc6 next-20240430]
[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/Vamsi-Attunuru/misc-mrvl-cn10k-dpi-add-Octeon-CN10K-DPI-administrative-driver/20240430-142354
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20240429055027.2162310-1-vattunuru%40marvell.com
patch subject: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20240430/202404302147.7X1w59Jg-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240430/202404302147.7X1w59Jg-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404302147.7X1w59Jg-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   drivers/misc/mrvl_cn10k_dpi.c: In function 'dpi_reg_write':
>> drivers/misc/mrvl_cn10k_dpi.c:202:9: error: implicit declaration of function 'writeq'; did you mean 'writeb'? [-Werror=implicit-function-declaration]
     202 |         writeq(val, dpi->reg_base + offset);
         |         ^~~~~~
         |         writeb
   drivers/misc/mrvl_cn10k_dpi.c: In function 'dpi_reg_read':
>> drivers/misc/mrvl_cn10k_dpi.c:207:16: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Werror=implicit-function-declaration]
     207 |         return readq(dpi->reg_base + offset);
         |                ^~~~~
         |                readb
   drivers/misc/mrvl_cn10k_dpi.c: In function 'dpi_free_irq_vectors':
>> drivers/misc/mrvl_cn10k_dpi.c:453:9: error: implicit declaration of function 'pci_free_irq_vectors'; did you mean 'dpi_free_irq_vectors'? [-Werror=implicit-function-declaration]
     453 |         pci_free_irq_vectors((struct pci_dev *)pdev);
         |         ^~~~~~~~~~~~~~~~~~~~
         |         dpi_free_irq_vectors
   In file included from include/uapi/linux/posix_types.h:5,
                    from include/uapi/linux/types.h:14,
                    from include/linux/types.h:6,
                    from include/linux/compat.h:9,
                    from drivers/misc/mrvl_cn10k_dpi.c:8:
   drivers/misc/mrvl_cn10k_dpi.c: In function 'dpi_remove':
   include/linux/stddef.h:8:14: error: called object is not a function or function pointer
       8 | #define NULL ((void *)0)
         |              ^
   include/linux/pci.h:2445:41: note: in expansion of macro 'NULL'
    2445 | #define pci_sriov_configure_simple      NULL
         |                                         ^~~~
   drivers/misc/mrvl_cn10k_dpi.c:661:9: note: in expansion of macro 'pci_sriov_configure_simple'
     661 |         pci_sriov_configure_simple(pdev, 0);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/misc/mrvl_cn10k_dpi.c: At top level:
>> drivers/misc/mrvl_cn10k_dpi.c:681:1: warning: data definition has no type or storage class
     681 | module_pci_driver(dpi_driver);
         | ^~~~~~~~~~~~~~~~~
>> drivers/misc/mrvl_cn10k_dpi.c:681:1: error: type defaults to 'int' in declaration of 'module_pci_driver' [-Werror=implicit-int]
>> drivers/misc/mrvl_cn10k_dpi.c:681:1: warning: parameter names (without types) in function declaration
>> drivers/misc/mrvl_cn10k_dpi.c:673:26: warning: 'dpi_driver' defined but not used [-Wunused-variable]
     673 | static struct pci_driver dpi_driver = {
         |                          ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +202 drivers/misc/mrvl_cn10k_dpi.c

   199	
   200	static inline void dpi_reg_write(struct dpipf *dpi, u64 offset, u64 val)
   201	{
 > 202		writeq(val, dpi->reg_base + offset);
   203	}
   204	
   205	static inline u64 dpi_reg_read(struct dpipf *dpi, u64 offset)
   206	{
 > 207		return readq(dpi->reg_base + offset);
   208	}
   209	

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https://github.com/intel/lkp-tests/wiki