linux-kernel - Re: [PATCH 1/2] swap led_brightness from enum to typedef

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Date:   Fri, 16 Jul 2021 08:41:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Amy Parker <apark0006@...dent.cerritos.edu>, pavel@....cz
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        Amy Parker <apark0006@...dent.cerritos.edu>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] swap led_brightness from enum to typedef

Hi Amy,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.14-rc1 next-20210715]
[cannot apply to pavel-linux-leds/for-next wireless-drivers-next/master wireless-drivers/master]
[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/Amy-Parker/leds-change-led_brightness-definition-from-enum-to-typedef/20210716-052140
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd9c7df94c1b23feacd54112f33ad95d93f64533
config: arm-randconfig-r023-20210715 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 0e49c54a8cbd3e779e5526a5888c683c01cc3c50)
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 arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/0day-ci/linux/commit/b14a971f1045205d49d9d001f33d33afdd8208f9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Amy-Parker/leds-change-led_brightness-definition-from-enum-to-typedef/20210716-052140
        git checkout b14a971f1045205d49d9d001f33d33afdd8208f9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

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/v4l2-core/v4l2-flash-led-class.c:15:
>> include/media/v4l2-flash-led-class.h:18:1: warning: declaration does not declare anything [-Wmissing-declarations]
   led_brightness;
   ^~~~~~~~~~~~~~
   1 warning generated.


vim +18 include/media/v4l2-flash-led-class.h

    14	
    15	struct led_classdev_flash;
    16	struct led_classdev;
    17	struct v4l2_flash;
  > 18	led_brightness;
    19	

---
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" (26518 bytes)