Re: [PATCH V9 6/6] of: unittest: Add pci_dt_testdrv pci driver

From: kernel test robot <lkp@intel.com>
To: Lizhi Hou <lizhi.hou@amd.com>,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, robh@kernel.org
Cc: oe-kbuild-all@lists.linux.dev, Lizhi Hou <lizhi.hou@amd.com>,
	max.zhen@amd.com, sonal.santan@amd.com,
	stefano.stabellini@xilinx.com
Subject: Re: [PATCH V9 6/6] of: unittest: Add pci_dt_testdrv pci driver
Date: Fri, 16 Jun 2023 04:58:15 +0800	[thread overview]
Message-ID: <202306160410.HTDpoLQa-lkp@intel.com> (raw)
In-Reply-To: <1686847842-33780-7-git-send-email-lizhi.hou@amd.com>

Hi Lizhi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus robh/for-next linus/master v6.4-rc6 next-20230615]
[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/Lizhi-Hou/of-dynamic-Add-interfaces-for-creating-device-node-dynamically/20230616-005610
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/1686847842-33780-7-git-send-email-lizhi.hou%40amd.com
patch subject: [PATCH V9 6/6] of: unittest: Add pci_dt_testdrv pci driver
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230616/202306160410.HTDpoLQa-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git
        git fetch pci next
        git checkout pci/next
        b4 shazam https://lore.kernel.org/r/1686847842-33780-7-git-send-email-lizhi.hou@amd.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/

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/202306160410.HTDpoLQa-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/mips/include/asm/bug.h:42,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:6,
                    from include/linux/memblock.h:12,
                    from drivers/of/unittest.c:8:
   drivers/of/unittest.c: In function 'unittest_pci_probe':
>> include/linux/kern_levels.h:5:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap'
     427 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:498:9: note: in expansion of macro 'printk'
     498 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH'
      11 | #define KERN_ERR        KERN_SOH "3"    /* error conditions */
         |                         ^~~~~~~~
   include/linux/printk.h:498:16: note: in expansion of macro 'KERN_ERR'
     498 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~
   drivers/of/unittest.c:45:17: note: in expansion of macro 'pr_err'
      45 |                 pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \
         |                 ^~~~~~
   drivers/of/unittest.c:3844:9: note: in expansion of macro 'unittest'
    3844 |         unittest(res->start == exp_addr, "Incorrect translated address %llx, expected %llx\n",
         |         ^~~~~~~~

vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

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