Hi "Uwe, I love your patch! Perhaps something to improve: [auto build test WARNING on tty/tty-testing] [also build test WARNING on pavel-linux-leds/for-next linus/master j.anaszewski-leds/for-next v5.9 next-20201015] [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/Uwe-Kleine-K-nig/leds-trigger-implement-a-tty-trigger/20201012-203510 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: openrisc-randconfig-s031-20201015 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-rc1-dirty # https://github.com/0day-ci/linux/commit/4185c273a8de0340cee6655a363f98c3737665d0 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Uwe-Kleine-K-nig/leds-trigger-implement-a-tty-trigger/20201012-203510 git checkout 4185c273a8de0340cee6655a363f98c3737665d0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> drivers/leds/trigger/ledtrig-tty.c:177:20: sparse: sparse: symbol 'ledtrig_tty' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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