Hi Abhijeet, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 549738f15da0e5a00275977623be199fbbf7df50] url: https://github.com/0day-ci/linux/commits/Abhijeet-Badurkar/net-can-Introduce-MEN-16Z192-00-CAN-controller-driver/20201005-170737 base: 549738f15da0e5a00275977623be199fbbf7df50 config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/52523430855158ee790d4fbce7d0ff4d3fda6fac git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Abhijeet-Badurkar/net-can-Introduce-MEN-16Z192-00-CAN-controller-driver/20201005-170737 git checkout 52523430855158ee790d4fbce7d0ff4d3fda6fac # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/net/can/men_z192_can.c:924:6: warning: no previous prototype for 'men_z192_init_coalesce' [-Wmissing-prototypes] 924 | void men_z192_init_coalesce(struct net_device *ndev) | ^~~~~~~~~~~~~~~~~~~~~~ vim +/men_z192_init_coalesce +924 drivers/net/can/men_z192_can.c 923 > 924 void men_z192_init_coalesce(struct net_device *ndev) 925 { 926 men_z192_set_buf_lvl_irq(ndev, MEN_Z192_MIN_BUF_LVL, 927 MEN_Z192_MIN_BUF_LVL); 928 men_z192_set_rx_tout(ndev, MEN_Z192_RX_TOUT_DEF); 929 } 930 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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