[kbuild-all] [linux-chenxing:mstar_v5_14_rebase_i2_drm 124/349] drivers/dma/mstar/mstar-msc313-bdma.c:251:6: warning: no previous prototype for 'msc313_bdma_issue_pending'

tree: git://github.com/linux-chenxing/linux.git mstar_v5_14_rebase_i2_drm head: 93dfb2364436067bf34c6d4ddcd282496182cc0f commit: bab654419b8cf86c3d8d378c53ed9faf4dc18643 [124/349] ARM: mstar: msc313 bdma driver config: s390-allyesconfig (attached as .config) compiler: s390-linux-gcc (GCC) 10.3.0 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/linux-chenxing/linux/commit/bab654419b8cf86c3d8d378c53... git remote add linux-chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags linux-chenxing mstar_v5_14_rebase_i2_drm git checkout bab654419b8cf86c3d8d378c53ed9faf4dc18643 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 251 | void msc313_bdma_issue_pending(struct dma_chan *chan) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/msc313_bdma_issue_pending +251 drivers/dma/mstar/mstar-msc313-bdma.c 250 252 { 253 struct msc313_bdma_desc *desc; 254 struct msc313_bdma_chan *ch = to_chan(chan); 255 desc = list_first_entry_or_null(&ch->queue, struct msc313_bdma_desc, queue_node); 256 if(desc) 257 msc313_bdma_do_single(ch, desc); 258 } 259 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org