linux-kernel - Re: [PATCH 13/18] ipu3-cio2: Add functionality allowing software_node connections to sensors on platforms designed for Windows

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Message-ID: <202012010409.Yp2vcaW4-lkp@intel.com>
Date:   Tue, 1 Dec 2020 04:27:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Daniel Scally <djrscally@...il.com>, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-media@...r.kernel.org,
        devel@...ica.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        rjw@...ysocki.net, lenb@...nel.org, gregkh@...uxfoundation.org,
        mika.westerberg@...ux.intel.com
Subject: Re: [PATCH 13/18] ipu3-cio2: Add functionality allowing
 software_node connections to sensors on platforms designed for Windows

Hi Daniel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on driver-core/driver-core-testing pm/linux-next v5.10-rc6 next-20201130]
[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]

url:    https://github.com/0day-ci/linux/commits/Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014
base:   git://linuxtv.org/media_tree.git master
config: x86_64-randconfig-a003-20201130 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project dfcf1acf13226be0f599a7ab6b395b66dc9545d6)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/05cb91d6b6272c4516b21b0ecd23a6ff8d861aae
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daniel-Scally/Add-functionality-to-ipu3-cio2-driver-allowing-software_node-connections-to-sensors-on-platforms-designed-for-Windows/20201130-214014
        git checkout 05cb91d6b6272c4516b21b0ecd23a6ff8d861aae
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/media/pci/intel/ipu3/ipu3-cio2-main.c:31:
>> drivers/media/pci/intel/ipu3/ipu3-cio2.h:443:5: warning: no previous prototype for function 'cio2_bridge_init' [-Wmissing-prototypes]
   int cio2_bridge_init(struct pci_dev *cio2) { return 0; }
       ^
   drivers/media/pci/intel/ipu3/ipu3-cio2.h:443:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int cio2_bridge_init(struct pci_dev *cio2) { return 0; }
   ^
   static 
   1 warning generated.

vim +/cio2_bridge_init +443 drivers/media/pci/intel/ipu3/ipu3-cio2.h

   439	
   440	#if IS_ENABLED(CONFIG_CIO2_BRIDGE)
   441	int cio2_bridge_init(struct pci_dev *cio2);
   442	#else
 > 443	int cio2_bridge_init(struct pci_dev *cio2) { return 0; }
   444	#endif
   445	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (40463 bytes)